CN201126337Y - Full-automatic verification instrument for index gauge - Google Patents
Full-automatic verification instrument for index gauge Download PDFInfo
- Publication number
- CN201126337Y CN201126337Y CNU2007200820025U CN200720082002U CN201126337Y CN 201126337 Y CN201126337 Y CN 201126337Y CN U2007200820025 U CNU2007200820025 U CN U2007200820025U CN 200720082002 U CN200720082002 U CN 200720082002U CN 201126337 Y CN201126337 Y CN 201126337Y
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- moving device
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Abstract
The utility model relates to a dial gauge full automatic measuring device. The full automatic measuring device comprises a computer, a industrial pick-up head, a raster type standard displacement device and a motor driving device, wherein the industrial pick-up head is connected with the image collecting card in the computer and fixed on a movable rack to align with a measured table which is fixed by a movable clamp to make the measuring bar contact with the measuring head connected with the raster type standard displacement device and the measuring head is pushed by the motor driving device therefore the measured table moves and the industrial pick-up head picks up at real time and identifies the pointer type or digital measured table reading number to automatically perform the measuring process. The dial gauge full automatic measuring device has simple structure, stable performance, high accuracy, quick speed, strong function, high efficiency, simple operation, more objective measuring result and the whole measuring process can be automatically performed and is convenient and popular.
Description
Technical field
The utility model relates to the full-automatic calibrating instrument of a kind of indicating gauge.
Background technology
Indicating gauge comprises pointer-type, digital two big classes, common dial gauge, clock gauge are widely used in mechanical processing industry, processing parts is detected, and therefore, the enterprise or the metrological service that produce these tables need carry out the performance calibrating to the rules that the error of indication of these tables is formulated according to relevant departments.Traditional calibration method is manually carried out, a lot of defectives such as workload is big, efficient is low, precision is low, personal error is big, verification result is not objective that it exists.For this reason, some unit develops some full-automatic calibrating instruments based on image technique, exist that the camera pixel is too low, number reading method factors such as science, image effect requirement height and unstable properties not, particularly for the digital display type indicating gauge, can't solve the reading problem from image technique at all, therefore versatility is bad, is difficult for promoting.
The utility model content
The utility model provides a kind of novel indicating gauge full-automatic calibrating instrument, the tested table of the full-automatic calibrating instrument of this indicating gauge adopts raster pattern normal bit moving device to control tested table and is subjected to displacement, provide a kind of stable performance, precision height, speed fast, can Intelligent Recognition pointer-type and the full-automatic calibrating instrument of indicating gauge of digital two kinds of indicating gauges.
The technical scheme that the following technical matters that solves the utility model adopts is: the full-automatic calibrating instrument of indicating gauge, comprise computing machine, camera, the full-automatic calibrating instrument of described indicating gauge also comprises raster pattern normal bit moving device, motor driver, camera links to each other with computing machine by image pick-up card and is fixed by support, make camera aim at tested table, tested table links to each other with raster pattern normal bit moving device, motor driver drives raster pattern normal bit moving device and provides a standard volume, displacement of the corresponding generation of tested table, take pictures by camera and discern tested meter reading by computing machine, thereby finish data processing automatically.
The utility model camera adopts high-resolution industry camera, preferred high pixel, speed are fast, the simulation professional camera of strong interference immunity, after discerning tested meter reading and being meant tested chart picture machine obtains as calculated, through a series of complex calculation, finally draw reading, and readout resolutions is tested table ten/lattice, utilize high speed image acquisition board to be connected with computing machine, this device adopts raster pattern normal bit moving device to control tested table and is subjected to displacement, make that the displacement control of tested table is more accurate, thereby make the assay performance of calibrating instrument more stable, precision is higher; Tested table of the present utility model comprises digital, pointer dial gauge, clock gauge, mark post dial gauge, dial test indicator, dial bore gage, inside dial indicator, long range dial gage, various range digital display meter, table made in Great Britain and other length class indicating gauge.
Described support be can along about, up and down, the adjustable support regulated of front and back three directions.The industry camera is fixed on the adjustable support, by regulate about support, front and back, upper-lower position change the image size, industrial camera is regulated automatically to light, and by focusing ring, makes image reach optimum efficiency.
Described image pick-up card is a kind of high speed image acquisition board of computer PCI interface; Described raster pattern normal bit moving device is the normal bit moving device that adopts grating technology, described motor driver is made up of microprocessor control circuit, motor driver and stepper motor, and microprocessor control circuit comes drive stepping motor to rotate by motor driver.
The normal bit moving device of described employing grating technology is a kind of by changing through glass raster chi generation light after the mechanical shift variation, modulates the device that sample circuit calculates the variation displacement after photoelectricity transforms and by amplifying; The normal bit moving device is amplified sample circuit and is constituted by grating base, slide block, guide rail, measuring staff, bearing, several supports, source of parallel light, glass raster chi, photoelectric cell, grating signals; Described motor driver is meant that stepper motor is fixed on the support, the stepper motor working shaft links to each other with a screw mandrel by shaft joint, screw mandrel is connected with nut, nut, slide block and gauge head connect as one, guide rail is installed on the instrument base with the grating base, source of parallel light is in installing the grating base and be positioned under the glass raster chi, and photoelectric cell is positioned at directly over the glass raster chi, and grating base, several supports are fixed on the base; Governor circuit rotates by the motor driver drive stepping motor, the drive screw mandrel rotates, thereby make slide block produce relative displacement, also relatively move between two glass raster chis, and the variation that produces light, photoelectric cell receives different light and produces different electric signal, calculates displacement variable through amplifying the modulation sample circuit.
Half of described base is the plane, and whole pattern displacement standard set-up is installed on its plane, and second half is dovetail groove shape workplace guide rail for a base, and tested table and anchor clamps are fastening on it; Described source of parallel light is luminous after lens produce one group of parallel white light source by White LED; Described glass raster chi is two glass chis that have tiny scale; Described electric signal is to relatively move when two glass chis, and the directional light of below passes through to produce the light variation behind two glass chis, and two groups after the photoelectric cell conversion differ 90 degree sine wave signals.
After described amplification modulation sample circuit is meant that the sinusoidal wave feeble signal of two-way is via operational amplifier, the amplitude of being enlarged into be about 2V after, after high speed analog-to-digital conversion, obtain two-way numerical value, finally obtain displacement variable as calculated; The flatness height of described gauge head, and in the slide block motion process, itself do not rotating, making does not have relative motion between tested table measuring staff and the gauge head.
In order to make raster pattern normal bit moving device working stability, precision height, long working life, this device has used up-to-date grating technology, adopt two Grating glass chis that have accurate scale, mobile glass chi is fixed on can be along on the piece of guide rail operation, the fixing glass chi is contained in its top, two parallel installations with guide rail of Grating glass chi.Source of parallel light relatively moves by two Grating glass chis that have an accurate scale and produces light and change, and is converted into electric signal through photoelectric cell, by after amplifying the modulation sample circuit and carrying out data processing, obtains the actual displacement amount.The instrument duration of work, in order to make raster pattern normal bit moving device location more accurate, this instrument has adopted precision stepper motor, and after the motor driver segmentation, motor can be by 1/10th microns step pitch operation, and positioning error is less than a step pitch.
Calibrating table handling process is as follows: load onto tested table and fix, guarantee that tested table workplace is directed upwardly, adjust camera position, make tested chart image position in the desired position range of computing machine calibrating software, adjust focusing circle and aperture, reach the calibrating ideal effect.On computer software, click " input information ", import after the tested table information and by determining, rotate then handwheel make tested table to zero (for digital display meter, pressing reset key gets final product), after clicking " beginning calibrating ", computing machine sends the calibrating order to the instrument governor circuit, and instrument moves automatically according to corresponding rules.Microprocessor control motor is by certain step pitch operation in the governor circuit, computing machine is taken pictures and the fast processing view data immediately, reads the reading of tested table, compares and calculates with the actual change displacement then, handle thereby finish related data automatically, and show and the printing verification result.
The beneficial effects of the utility model are: tested table adopts raster pattern normal bit moving device to control tested table and is subjected to displacement, simple in structure, stable performance, and have the precision height, speed is fast, function is strong, efficient is high, operation is simple, verification result is more objective, whole verification process automatically carries out.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is a composition frame chart of the present utility model;
Fig. 2 is the inner structure synoptic diagram of present embodiment;
Fig. 3 is the external structure synoptic diagram of present embodiment.
Embodiment
Referring to Fig. 1, shown in Figure 2, the full-automatic calibrating instrument of indicating gauge of the present utility model comprises a computing machine, the industry camera, computing machine can be any microcomputer or notebook, in order to improve precision, the present embodiment implementation has adopted high-resolution industry camera, it links to each other with computing machine by image pick-up card, and be fixed on the instrument base by an adjustable support, about it, about, three direction positions, front and back are adjusted by support bracket fastened adjusting gear, tested table measuring staff contacts with raster pattern normal bit moving device gauge head, governor circuit is by motor driver control step motor rotation, drive raster pattern normal bit moving device and produce change in displacement, after photoelectricity transforms, calculate the actual displacement amount, deliver to computing machine through interface circuit by amplifying the modulation sample circuit.Tested table produces the reading that computing machine after the change in displacement is taken pictures and discerned tested table, thereby finishes data processing automatically.
Fig. 2 is the inner structure synoptic diagram of present embodiment, among Fig. 2, handwheel 1 links to each other with stepper motor 2 one end axles, stepper motor other end axle links to each other with screw mandrel 5 by shaft joint 3, one nut 4 is arranged on the screw mandrel, and nut 4, slide block 6 and gauge head 10 connect as one, and guide rail 9 is installed on the instrument base 14 with grating base 12, source of parallel light 13 is positioned under the grating chi 7, and photoelectric cell 8 is positioned at directly over the grating chi.When rotating, motor drives the screw mandrel rotation, thereby nut, slide block, gauge head horizontal direction are moved, photoelectric cell receives the light variation and is converted into the two-way sine wave signal, output to and amplify the modulation sample circuit, all circuit parts place instrument base inside, and by a patch panel 11 and computing machine mutual communication.
Fig. 3 is the external structure synoptic diagram of present embodiment: among Fig. 3, the instrument camera part is made up of left and right adjusting device 30, up-down adjustment device 23, front and back regulating device 27, column 21,90 degree rotational structures 24, camera 22, camera lens 25, secondary light source 26.Instrument host is made up of handwheel 1, basis displacement structure 33, gauge head 10, anchor clamps 28, guide rail 9, grating base 12 and leg 15.
During the instrument operate as normal, tested table is installed to and is fixed on the anchor clamps on the workplace guide rail, keeps directly over the workplace court, and anchor clamps can horizontally slip on guide rail, and tested table measuring staff contacts with gauge head, rotates handwheel and can make tested table to zero.Guide rail, grating chi, gauge head, base are in parastate.Regulating the up-down adjustment device makes tested telogenesis picture size meet the calibrating requirement, regulate left and right adjusting device and front and back regulating device, make image be positioned at the middle position, regulate lens aperture and focus and to change picture quality and reach optimum efficiency, 90 degree rotational structures can make camera 90 degree that turn clockwise, and are convenient to examine and determine inside meter, and secondary light source adopts the LED white-light illuminating that goes in ring, four legs are installed on the instrument base, are convenient to adjust the instrument horizontality.
Of the present utility modelly be not limited to above-mentioned embodiment, various variations of being made by those skilled in the art or remodeling all belong to the protection domain of the utility model number.
Claims (6)
1, the full-automatic calibrating instrument of indicating gauge, comprise computing machine, camera, it is characterized in that, the full-automatic calibrating instrument of described indicating gauge also comprises raster pattern normal bit moving device, motor driver, camera links to each other with computing machine by image pick-up card and is fixed by support, make camera aim at tested table, tested table links to each other with raster pattern normal bit moving device, motor driver drives raster pattern normal bit moving device and provides a standard volume, displacement of the corresponding generation of tested table, take pictures by camera and discern tested meter reading by computing machine, thereby finish data processing automatically.
2, the full-automatic calibrating instrument of indicating gauge according to claim 1 is characterized in that, described support be can along about, up and down, the adjustable support regulated of front and back three directions.
3, the full-automatic calibrating instrument of indicating gauge according to claim 1 and 2 is characterized in that, described image pick-up card is a kind of high speed image acquisition board of computer PCI interface; Described raster pattern normal bit moving device is the normal bit moving device that adopts grating technology, described motor driver is made up of microprocessor control circuit, motor driver and stepper motor, and microprocessor control circuit comes drive stepping motor to rotate by motor driver.
4, the full-automatic calibrating instrument of indicating gauge according to claim 3, it is characterized in that, the normal bit moving device of described employing grating technology is a kind of by changing through glass raster chi generation light after the mechanical shift variation, modulates the device that sample circuit calculates the variation displacement after photoelectricity transforms and by amplifying; The normal bit moving device is amplified sample circuit and is constituted by grating base, slide block, guide rail, measuring staff, bearing, several supports, source of parallel light, glass raster chi, photoelectric cell, grating signals; Described motor driver is meant that stepper motor is fixed on the support, the stepper motor working shaft links to each other with a screw mandrel by shaft joint, screw mandrel is connected with nut, nut, slide block and gauge head connect as one, guide rail is installed on the instrument base with the grating base, source of parallel light is in installing the grating base and be positioned under the glass raster chi, and photoelectric cell is positioned at directly over the glass raster chi, and grating base, several supports are fixed on the base; Governor circuit rotates by the motor driver drive stepping motor, the drive screw mandrel rotates, thereby make slide block produce relative displacement, also relatively move between two glass raster chis, and the variation that produces light, photoelectric cell receives different light and produces different electric signal, calculates displacement variable through amplifying the modulation sample circuit.
5, the full-automatic calibrating instrument of indicating gauge according to claim 4, it is characterized in that being that half of described base is the plane, whole pattern displacement standard set-up is installed on its plane, second half is dovetail groove shape workplace guide rail for a base, and tested table and anchor clamps are fastening on it; Described source of parallel light is luminous after lens produce one group of parallel white light source by White LED; Described glass raster chi is two glass chis that have tiny scale; Described electric signal is to relatively move when two glass chis, and the directional light of below passes through to produce the light variation behind two glass chis, and two groups after the photoelectric cell conversion differ 90 degree sine wave signals.
6, the full-automatic calibrating instrument of indicating gauge according to claim 4, it is characterized in that being, after described amplification modulation sample circuit is meant that the sinusoidal wave feeble signal of two-way is via operational amplifier, the amplitude of being enlarged into be about 2V after, after high speed analog-to-digital conversion, obtain two-way numerical value, finally obtain displacement variable as calculated; The flatness height of described gauge head, and in the slide block motion process, itself do not rotating, making does not have relative motion between tested table measuring staff and the gauge head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200820025U CN201126337Y (en) | 2007-11-20 | 2007-11-20 | Full-automatic verification instrument for index gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200820025U CN201126337Y (en) | 2007-11-20 | 2007-11-20 | Full-automatic verification instrument for index gauge |
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| Publication Number | Publication Date |
|---|---|
| CN201126337Y true CN201126337Y (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200820025U Expired - Fee Related CN201126337Y (en) | 2007-11-20 | 2007-11-20 | Full-automatic verification instrument for index gauge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995268B (en) * | 2009-08-21 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Measuring instrument indicating value error calculating system and method |
| CN106979834A (en) * | 2017-04-14 | 2017-07-25 | 贵阳新天光电科技有限公司 | The Abbe head dynamometric system and its control system of a kind of gauging machine |
| CN110186363A (en) * | 2018-12-25 | 2019-08-30 | 中国船舶重工集团公司第七一五研究所 | A kind of flatness inspection devices and measurement method |
-
2007
- 2007-11-20 CN CNU2007200820025U patent/CN201126337Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995268B (en) * | 2009-08-21 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Measuring instrument indicating value error calculating system and method |
| CN106979834A (en) * | 2017-04-14 | 2017-07-25 | 贵阳新天光电科技有限公司 | The Abbe head dynamometric system and its control system of a kind of gauging machine |
| CN110186363A (en) * | 2018-12-25 | 2019-08-30 | 中国船舶重工集团公司第七一五研究所 | A kind of flatness inspection devices and measurement 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: 20081001 Termination date: 20101120 |