CN2553338Y - Dial gage automatic detector - Google Patents
Dial gage automatic detector Download PDFInfo
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- CN2553338Y CN2553338Y CN 02262023 CN02262023U CN2553338Y CN 2553338 Y CN2553338 Y CN 2553338Y CN 02262023 CN02262023 CN 02262023 CN 02262023 U CN02262023 U CN 02262023U CN 2553338 Y CN2553338 Y CN 2553338Y
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- stepper motor
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Abstract
The utility model relates to an automatic percent meter and micrometer calibrating device, comprising a mechanical system, an electronic system, and an image acquiring and analyzing and data processing system. The utility model is characterized in that a lateral worktable stepping motor, a micro-feed stepping motor, a longitudinal worktable stepping motor and diameter change measuring stepping motor, all controlled by a control circuit, respectively drive a force measuring device, a length measuring device, a diameter measuring device to collect data, which is inputted into the image analyzing and processing system; the result is outputted through a computer. The device organically combines the precision machinery technique, the electromechanical control technique, the modern automatic computer measuring technique and the image processing technique. The utility model has the advantages that the structural design is reasonable; the stability is good; the automatization level is higher; the device can accomplish the actions, such as taking aim and positioning by itself so as to reduce the workload of the calibration personnel and make the personnel not feel tired within a plurality of hours; and the productivity is increased. The utility model solves the problems in the prior percent meter and micrometer calibrating process of excessive repeated operations, heavy workload and low efficiency.
Description
Technical field
The utility model belongs to a kind of detection correcting device of gauging instrument, a kind of specifically metering and calibrating device that is used for the dial gauge clock gauge.
Technical background
Through investigation and computer search inquiry, learn the use of China present measurement technology department manually or semi-automatic, the automatic dial gauge clock gauge calibrating installation of having succeeded in developing, have the following disadvantages respectively at technical elements:
1, automatization level is not high.Manual and semi-automatic dial gauge clock gauge calibrating installation all adopts manual operation, human eye aiming reading, manual counting, and repeated labor is many, and working strength is big, and calibrating efficient is low.
2, calibrating project is incomplete.The automatic dial gauge clock gauge calibrating installation of all employing image processing techniques is only carried out error of indication calibrating project.In the realization of automatic Verification, no self-adaptation, control in real time, scale aiming are described, and also do not have the uncertainty of pointing accuracy, image acquisition processing controls time and scale reading and describe.
3, can't reduce even eliminate pointing error or interpolation.Because pointing error, the interpolation of staff self and the immature existence of image processing technique in the verification process, always exactness is not bigger to cause the measurement of dial gauge clock gauge calibrating installation of existing use, can not satisfy in the theory of errors requirement to standard set-up and tested instrument uncertainty relation fully.
Summary of the invention
A kind of dial gauge clock gauge automatic calibrator, it is mainly by mechanical system, electronic system, image acquisition is analyzed and data handling system three parts are formed, specifically, its horizontal work level (17) is contained on the frame and can moves on frame under horizontal work level stepper motor (2) drives, the draw-in groove of vertical worktable (18) bottom it is loaded on can be at the horizontal work level superior displacement under vertical worktable stepper motor (4) drives on the horizontal work level, detect table skeleton (21) and be positioned at horizontal work level one end, image mechanism (12) and calibrating becomes mechanism (8) and lays respectively at and detect table skeleton (21) both sides, littlely enter mechanism (16) and be loaded on the horizontal work level (17) by the reducer casing (19) that little feeding stepper motor (3) drives, calibrate and become mechanism, littlely enter mechanism, reducer casing all is positioned on the same axis, force cell (9) is loaded on force measuring machine (6) one ends and is positioned at vertical worktable (18) middle part, be provided with the measurement component standing groove at vertical worktable another side, calibrate to become and adopt grating measuring parts and tested table gauge head contact measurement directly to become in the mechanism (8), and calibrating displacement under the control that becomes stepper motor (5); Horizontal work level stepper motor (2), little feeding stepper motor (3), vertically worktable stepper motor (4), calibrate an end that becomes stepper motor (5) and all be connected with control circuit (1), wherein the other end of horizontal work level stepper motor (2), little feeding stepper motor (3), vertical worktable stepper motor (4) connects force measuring machine (6) and gauging machine structure (9) respectively, calibrates another termination that becomes stepper motor (5) and calibrates change mechanism (8); The first output terminal Access Control circuit (1) of force measuring machine (6), second output terminal connects force cell (9), displacement signal treatment circuit (13), graphical analysis and disposal system (15) successively, and the 3rd output terminal inserts video camera (12); The first output terminal Access Control circuit (1) of gauging machine structure (7), second output terminal connects horizontal metroscope (10), dynamometry signal processing circuit (14), graphical analysis and disposal system (15) successively, the 3rd output termination video camera (12); Calibrate the first output terminal connection control circuit (1) that becomes mechanism (8), the second output termination video camera (12); Video camera (12) is connected with image analysis processing system (15) and Access Control circuit (1) by image pick-up card (11).
Excellent effect of the present invention mainly shows:
1, measuring accuracy obviously improves.Owing to selected the grating measuring parts during mechanical system design especially for use, strain transducer, stepper motor, parts such as precision lead screw, and be used in respectively in length and breadth to worktable, little feeding stepping mechanism and boosting mechanism radially, in length and breadth on worktable and little feeding stepping mechanism, and in the data aiming, adopted image processing, advanced technologies such as computing machine automatic measuring and controlling, thereby make device more firm, mechanical shift is more accurate, measurement result more accurately and reliably, measuring accuracy obviously improves, and the general technical index not only reaches but also is better than the requirement of national metrological verification regulations regulation.Compare with the dial gauge clock gauge calibrating installation that measurement unit is now used, the linear measure longimetry uncertainty, dial gauge is brought up to 2 μ m by 3.5 μ m, and clock gauge is brought up to 1 μ m by 2 μ m; The linear measure longimetry scale division value reaches 0.01 μ m.; The dynamometry scale division value is brought up to 0.01N by 0.1N; The scale division value pointing error brings up to 3% by 10%.Overcome the big defective of existing dial gauge clock gauge calibrating installation uncertainty of measurement.
2, alleviate dial indicator calibration operation personnel's labour intensity greatly, improved calibration operation efficient.Should " device " precision machinery technology, Electromechanical Control technology, modern computer automatic test technology, image processing technique organically be blended in one.Reasonable in design, good stability, automatization level height, actions such as aiming, location all itself are finished automatically by " device " during work, and are lighter when the testing person works, and can keep working long hours can be not tired, improved work efficiency.It is many to have solved in the existing dial gauge clock gauge measuring process repetitive operation, big, the inefficient problem of working strength.
3, practicality is good.Low to the working environment requirement, can under general environment, use.
4, calibrating project is complete.Should " device " can carry out measurement verification to the dial gauge clock gauge of various different models, and both can carry out the length calibration, and have again that dynamometry, indicating value changed, the function that changes of indicating value radially, more comprehensively the performance of class measurer is shown in calibrating.
5, amount passes conveniently.Should " device " can trace national length, primary mass standard easily.
6, maintainability is good, the reliability height.Technology such as the precision machinery technology that this " device " adopts, Electromechanical Control technology, the automatic test of modern computer are mature technology, parts such as the grating measuring parts of selecting for use, strain transducer, stepper motor, precision lead screw all are standardized components, so should " device " have maintainability and higher reliability preferably.
7, flexible operation, easy, safety.
8, cost is low, is easy to promote.
9, be convenient to realize full-automatic detection.By design mechanical arm pulling measuring staff when measuring the indicating value variation, can realize full-automatic detection.
Description of drawings:
Fig. 1 is the utility model theory structure block diagram.
Fig. 2 is the utility model mechanical construction drawing.
Fig. 3 is vertical worktable vertical view in the utility model.
Fig. 4, Fig. 5 are the utility model circuit theory diagrams.
Embodiment:
Embodiment of the present utility model has a detailed description in the summary of the invention part, and details are as follows to its principle of work in this part:
1, mechanical system
This system is shown by gauging machine structure, force measuring machine, survey and becomes mechanism, calibrates and become mechanism, videotape mechanism's 5 parts and form.Each mechanical mechanism is under the driving of connected 4 difference in functionality stepper motors, and the commander's control by computing machine and control system drives associated mechanisms and finishes respectively and manually videotape institutional adjustment and survey length, dynamometry, survey automatically and show change, calibrate the variable order.
A, gauging machine structure
Computing machine is controlled stepping deceleration mechanical mechanism travelling table in this mechanism by control system, the gauge head of grating measuring parts is contacted with tested table gauge head, under the real-time monitoring of graphical analysis and disposal system, control little feeding stepping mechanism mobile screw again, to promote the meter measuring staff, allow tested list index aim at a certain scale of watch face, realize the measurement of the actual amount of feeding.
B, force measuring machine
Under the control of control circuit, survey long conversion stepping mechanism by dynamometry, remove the gauging machine structure, adjust force measuring machine simultaneously, force cell is positioned on the axis of meter measuring staff place, by controlling little feeding stepping mechanism or walking machinery mechanism in real time, finishes the measurement of tested table dynamometry then.
Change mechanism is shown in C, survey
Under the supervision of the control of control circuit and image acquisition analysis process system, aim at a certain position that to measure with walking machinery mechanism and little feeding stepping mechanism earlier, implement to measure with pulling moving meter measuring staff then, the result is read by indicating value modified-image collection analysis disposal system, finishes the measurement that tested expression value changes.
D, calibrate and become mechanism
Calibrate and become mechanism under the control of control circuit, mobile walking machinery mechanism makes the gauge head of grating measuring parts contact with tested table gauge head; Then under the control of the supervision of image acquisition analysis process system and control circuit, by walking machinery mechanism or little feeding stepping mechanism promotion table bar to the position that will measure, the footpath becomes the boosting mechanism rotation, gives the reinforcing of meter measuring staff, at last by image acquisition analysis process system sense data.
E, image mechanism
Image mechanism mainly is by being that the CCD camera is taken meter dial plate image, monitors turned position, the aiming measurement scale of the relative dial plate zero graduation of tested list index, finishes the indicating value measure of the change.
2, electronic system
This system is made up of displacement signal treatment circuit, dynamometry signal processing circuit, control circuit, image acquisition analysis process system 4 parts.Each interlock circuit links to each other with stepper motor, camera, spacing positioning switch, length measurement sensor, force cell with computing machine, analog to digital conversion, comparison by receiving and transmitting signal, under computer program control, finish the automatic interpretation generation and the output print of transmission, image processing and the data of measuring project control signal.
A, displacement signal treatment circuit
Select for use light harvesting gate sensor, measuring staff, displacement signal treatment circuit etc. in the displacement measurement parts of one, not only guaranteed measuring accuracy but also avoided design iterations.The resolving power of parts is 0.1 μ m, and range is 50mm, and the full scale maximum error is ± 0.5 μ m.
B, dynamometry signal processing circuit
The dynamometry signal processing circuit is that the dynamometry signal of force cell is sent into computing machine after amplification, non-linear correction, analog to digital conversion, handle by computing machine, make the resolving power of force cell be not more than 0.1N after the processing, the uncertainty of measurement of dynamometry is not more than 0.1N.
C, control circuit
Control circuit mainly is by actings in conjunction such as pulse generating circuit, gating circuit, pulse delay circuit, countdown circuit, pulse amplifying circuit, analog to digital conversion circuits, under the commander of computing machine, send the control signal instruction, the relevant stepper motor of control in real time drives the mechanical system appropriate authority, finishes the surveying work of disparity items.
D, image acquisition analysis process system
The image acquisition analysis process system is to utilize pointer and this very important geometric properties of scale in the tested table, at first the pointer of watch face and the relative position relation of character is read in system, as benchmark image; Gather the pointer image when measuring then, calculate the angle of scale in the pointer relative datum image, copy people's visual determination to go out the pointer current location, and reading is carried out interpretation, finish control and real-time surveying work.
Claims (1)
1, a kind of dial gauge clock gauge automatic calibrator, it is characterized in that horizontal work level (17) be contained on the frame can drive at horizontal work level stepper motor (2) mobile on frame down, the draw-in groove of vertical worktable (18) bottom it is loaded on can be at the horizontal work level superior displacement under vertical worktable stepper motor (4) drives on the horizontal work level, detect table skeleton (21) and be positioned at horizontal work level one end, image mechanism (12) and calibrating becomes mechanism (8) and lays respectively at and detect table skeleton (21) both sides, littlely enter mechanism (16) and be loaded on the horizontal work level (17) by the reducer casing (19) that little feeding stepper motor (3) drives, calibrate and become mechanism, littlely enter mechanism, reducer casing all is positioned on the same axis, force cell (9) is loaded on force measuring machine (6) one ends and is positioned at vertical worktable (18) middle part, be provided with the measurement component standing groove at vertical worktable another side, calibrate to become and adopt grating measuring parts and tested table gauge head contact measurement directly to become in the mechanism (8), and calibrating displacement under the control that becomes stepper motor (5); Horizontal work level stepper motor (2), little feeding stepper motor (3), vertically worktable stepper motor (4), calibrate an end that becomes stepper motor (5) and all be connected with control circuit (1), wherein the other end of horizontal work level stepper motor (2), little feeding stepper motor (3), vertical worktable stepper motor (4) connects force measuring machine (6) and gauging machine structure (9) respectively, calibrates another termination that becomes stepper motor (5) and calibrates change mechanism (8); The first output terminal Access Control circuit (1) of force measuring machine (6), second output terminal connects force cell (9), displacement signal treatment circuit (13), graphical analysis and disposal system (15) successively, and the 3rd output terminal inserts video camera (12); The first output terminal Access Control circuit (1) of gauging machine structure (7), second output terminal connects horizontal metroscope (10), dynamometry signal processing circuit (14), graphical analysis and disposal system (15) successively, the 3rd output termination video camera (12); Calibrate the first output terminal connection control circuit (1) that becomes mechanism (8), the second output termination video camera (12); Video camera (12) is connected with image analysis processing system (15) and Access Control circuit (1) by image pick-up card (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262023 CN2553338Y (en) | 2002-08-03 | 2002-08-03 | Dial gage automatic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262023 CN2553338Y (en) | 2002-08-03 | 2002-08-03 | Dial gage automatic detector |
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| Publication Number | Publication Date |
|---|---|
| CN2553338Y true CN2553338Y (en) | 2003-05-28 |
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|---|---|---|---|
| CN 02262023 Expired - Fee Related CN2553338Y (en) | 2002-08-03 | 2002-08-03 | Dial gage automatic detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534951A (en) * | 2015-02-01 | 2015-04-22 | 施小萍 | Hand-held terminal based detecting method |
| CN106568359A (en) * | 2016-10-28 | 2017-04-19 | 上海大学 | Automatic digital display dial indicator calibration system and automatic digital display dial indicator calibration method |
| CN104677747B (en) * | 2015-02-01 | 2017-05-24 | 施小萍 | Detection method of measuring tool based on application (APP) |
| CN109141301A (en) * | 2017-06-16 | 2019-01-04 | 株式会社三丰 | Indicator inspection machine, inspection method and inspection program |
| CN109506539A (en) * | 2018-11-20 | 2019-03-22 | 中国计量科学研究院 | A kind of slide calliper rule self-operated measuring unit and its measurement method |
-
2002
- 2002-08-03 CN CN 02262023 patent/CN2553338Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534951A (en) * | 2015-02-01 | 2015-04-22 | 施小萍 | Hand-held terminal based detecting method |
| CN104534951B (en) * | 2015-02-01 | 2017-04-19 | 施小萍 | Hand-held terminal based detecting method |
| CN104677747B (en) * | 2015-02-01 | 2017-05-24 | 施小萍 | Detection method of measuring tool based on application (APP) |
| CN106568359A (en) * | 2016-10-28 | 2017-04-19 | 上海大学 | Automatic digital display dial indicator calibration system and automatic digital display dial indicator calibration method |
| CN109141301A (en) * | 2017-06-16 | 2019-01-04 | 株式会社三丰 | Indicator inspection machine, inspection method and inspection program |
| CN109141301B (en) * | 2017-06-16 | 2022-06-14 | 株式会社三丰 | Pointer inspection machine, inspection method, and inspection program |
| CN109506539A (en) * | 2018-11-20 | 2019-03-22 | 中国计量科学研究院 | A kind of slide calliper rule self-operated measuring unit and its measurement method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |