CN109540048A - A kind of device and method of automatic detection air-gauge linearity error - Google Patents
A kind of device and method of automatic detection air-gauge linearity error Download PDFInfo
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
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Abstract
The invention discloses a kind of methods of automatic detection air-gauge linearity error, comprising the following steps: determines primary clearance, moving distance, acquisition interval and the movement speed parameter of fine motion rack；Control motor drives fine motion rack to be moved with the speed, interval and the moving distance that set；Fine motion rack is often moved to a collection point, utilizes gauge block respectively to correct sensor by cautious point-by-point calibration, point by point when calibrating, samples simultaneously to sensor and air-gauge data in measurement, until movement terminates；Above-mentioned two value is handled by computer, analyzed, evaluated, obtains air-gauge linearity error；The linearity error obtained is saved and determined, maloperation data, bi-colour light alarm are deleted.The present invention linearly can be detected automatically, kept in mind automatically, automatically saved and be exported to air-gauge, and detection accuracy greatly improves, and detection time is short, simplifies detection workflow, improves production efficiency.
Description
Technical field
The present invention relates to a kind of device and methods of automatic detection air-gauge linearity error.
Background technique
Currently, linearity test needs manually push away in the related precision instrument linearity error detection such as air-gauge, electron column
Dynamic rack is detected, and needs operator frequently to push rack in batch production, to leverage production efficiency.
The phenomenon that since there are artificial operations, inevitably will appear mistake, for example occurring not in place when pushing rack.Measuring device exists
The higher stringenter measurement environment of demand precision will necessarily generate additional demand, for example increase to guarantee measurement accuracy and efficiency
Add operation person lengthens working hours.
It can be seen that existing air-gauge linearity test method is in use, it is clear that there are still there is inconvenient and defect, and
It needs to be further improved.To solve the above problems, relevant manufactures there's no one who doesn't or isn't painstakingly seek solution,
But have no that applicable design is developed completion always for a long time, and common product is able to solve above-mentioned ask without appropriate structure
Topic, this is clearly the problem of correlation dealer is suddenly to be solved.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of easy to operate, high-efficient automatic detection air-gauges
The device of linearity error, and a kind of method of automatic detection air-gauge linearity error is provided.
Technical proposal that the invention solves the above-mentioned problems is: a kind of device of automatic detection air-gauge linearity error, packet
Including rack, computer, fine motion slide unit, stepper motor, fine motion rack and diplopore rotating support arm；The fine motion slide unit is horizontally arranged at
In rack, the stepper motor is placed on fine motion slide unit, and stepper motor output shaft is connected by diaphragm coupling and fine motion rack
It connects；Diplopore rotating support arm is installed on fine motion rack, P12D sensor and nozzle are installed in diplopore rotating support arm；P12D sensing
Device and stepper motor are connect with computer, and nozzle with air-gauge for connecting.
The device of above-mentioned automatic detection air-gauge linearity error, the rack include computer installs case, runing rest
And cabinet body, computer installs case are installed on the cabinet by runing rest, are located above cabinet body；Measurement is equipped at the top of the cabinet body
Bottom plate, cabinet body inner cavity are divided into Key board drawer, electrical control cabinet and printing cabinet, Key board drawer and are located at printing cabinet and electrical control
Above cabinet, printing cabinet is located in front of electrical control cabinet, is equipped with printer in printing cabinet, printer is connect with computer；Cabinet body
Side is equipped with button box rack；The touch display of the computer is placed in computer installs case, and keyboard is placed in Key board drawer
It is interior；The fine motion slide unit is mounted on measurement bottom plate.
The device of above-mentioned automatic detection air-gauge linearity error, the measurement bottom rear is equipped with shield, described
Stepper motor and fine motion slide unit be placed in shield；Switch, the connection of control computer and stepper motor are installed on shield
The serial ports socket of computer and air-gauge, the ball valve and button socket for realizing the on-off that air-gauge supplies, button socket connection
Button box.
The device of above-mentioned automatic detection air-gauge linearity error, the computer installs case are made of aluminum profile, computer
Installs case is equipped with three color alarm lamps, and three color alarm lamps are connect with computer.
The device of above-mentioned automatic detection air-gauge linearity error, the electrical control cabinet rear plate are equipped with air filtration
The outlet of device, air filter is connect with ball valve.
A kind of method of automatic detection air-gauge linearity error, comprising the following steps:
Step S1: being adjusted fine motion rack, determines the motion range of fine motion rack；Determine fine motion rack it is initial between
Gap, moving distance, acquisition interval and movement speed parameter；
Step S2: speed, interval and moving distance of the fine motion rack to set are driven by computer control stepper motor
It is moved；
Step S3: fine motion rack is often moved to a collection point, and P12D sensor detects this collection point and a upper acquisition
Vertical range between point utilizes gauge block respectively to correct P12D sensor by cautious point-by-point calibration, point by point when calibrating, calculates
Correction value β i, calculation method are β i=Li-li, and wherein Li is theoretical vertical range between two collection points, and li is two collection points
The vertical range detected by P12D sensor simultaneously adopts P12D sensor and air-gauge measured value in measurement
Sample, until movement terminates；
Step S4: being handled P12D sensor sample value and air-gauge numerical value when measuring by computer, analyzed, evaluated,
Obtain air-gauge linearity error, analysis method are as follows: each collection point linearity error Δ i=air-gauge measured value mi- sensor
Then collection value ni- this correction value β i, i.e. Δ i=mi-ni- β i find out maximum value Δ max and minimum value Δ in Δ i
Whether min judges Δ max and Δ min within the scope of limits of error Δ.
Step S5: being saved and determined to the linearity error obtained, and maloperation data are deleted, and bi-colour light is alarmed, simultaneously
Linearity test report is generated, examining report is by printer output.
The method of above-mentioned automatic detection air-gauge linearity error, each parameter value in the step S1 is according to different ranges
Corresponding numerical value, setting method are set are as follows: range is divided into ± 5 μm, ± 10 μm, ± 25 μm and ± 50 μm, sets in range setting
Primary clearance, multiplying power, measurement interval and the limits of error of corresponding range are set, and the air-gauge multiplying power that will be detected is adjusted
It is good.
The method of above-mentioned automatic detection air-gauge linearity error, the step S2 include:
The movement of motor 2-1) is controlled by computer, to drive fine motion stage motion；
2-2) sensor displacement is set to change in fine motion rack moving process, while air-gauge measured value also becomes
Change.
The method of above-mentioned automatic detection air-gauge linearity error in the step S3, carries out delay acquisition to sensor,
Metastable numerical value is acquired out, data uploading instructions are sent to air-gauge to acquire air-gauge measured value by computer.
The method of above-mentioned automatic detection air-gauge linearity error, the air-gauge linearity error in step S4 is through overcompensation
Value is corrected to eliminate error caused by mechanical part and sensor self character.
The beneficial effects of the present invention are:
1, the device of the invention structure is simple, easy to operate, is controlled by computer, can be realized air-gauge, electron column
The automation of the equal linear error of indication measurement of precision measurement instruments, eliminates man's activity, improves the precision and efficiency of measurement；Measurement
When only need an operator, reduce cost of labor.
2, in method of the invention, it is first determined primary clearance, moving distance, acquisition interval and the mobile speed of fine motion rack
Spend parameter；Then it is carried out by speed, interval and moving distance that computer control stepper motor drives fine motion rack to set
Movement；Fine motion rack is often moved to a collection point, is respectively calibrated point by point, point by point by cautious using gauge block to sensor when calibrating
Amendment simultaneously samples sensor and air-gauge data in measurement, until movement terminates；It is handled again by computer above-mentioned
Two values, are analyzed, are evaluated, obtain air-gauge linearity error；Finally the linearity error obtained is saved and is determined,
Maloperation data, bi-colour light alarm are deleted, while generating linearity test report, examining report is by printer output.Energy of the present invention
Enough that air-gauge is linearly detected automatically, keeps in mind automatically, automatically saves and exported, detection accuracy greatly improves, and examines
The survey time is short, simplifies detection and production procedure, improves production efficiency, and detection efficiency is high, does not need artificial rotational stand, keeps away
Human error is exempted from.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present invention.
Fig. 2 is the main view of apparatus of the present invention.
Fig. 3 is the right view of apparatus of the present invention.
Fig. 4 is the rearview of apparatus of the present invention.
Fig. 5 is the cross-sectional view of apparatus of the present invention.
Fig. 6 is enlarged view at I in Fig. 5.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figures 2-6, a kind of device of automatic detection air-gauge linearity error, including rack 1, computer 2, fine motion cunning
Platform 10, stepper motor 12, fine motion rack 14 and diplopore rotating support arm 15.The rack 1 includes computer installs case 101, rotation
Bracket 102 and cabinet body, the computer installs case 101 are made of aluminum profile, and computer installs case 101 is equipped with three color alarm lamps 3
And launch computer switch 4, three color alarm lamps 3 are connect with computer 2.
Computer installs case 101 is installed on the cabinet by runing rest 102, is located above cabinet body.The bottom of cabinet body is equipped with
Four universal wheels, convenient for movement of the invention.Measurement bottom plate 104 is equipped at the top of the cabinet body, cabinet body inner cavity is divided into keyboard pumping
Drawer 106, electrical control cabinet 108 and printing cabinet 107, Key board drawer 106 are located on printing cabinet 107 and electrical control cabinet 108
Side, printing cabinet 107 are located at 108 front of electrical control cabinet.It prints and is equipped with printer in cabinet 107, printer and computer 2 connect
It connects.Cabinet body side is equipped with button box rack 105.The touch display of the computer 2 is placed in computer installs case, keyboard permutation
In in Key board drawer.108 back plate of electrical control cabinet is equipped with air filter 20 and power interface 19.
The fine motion slide unit 10 is mounted on measurement bottom plate 104, is mounted in shield 103, the shield 103
It is mounted on the rear portion of measurement bottom plate 104.The stepper motor 12 is fixedly mounted on motor cabinet 11, and motor cabinet 11 is placed in fine motion
On slide unit 10, the output shaft of stepper motor 12 is connect by diaphragm coupling 13 with fine motion rack 14.It is equipped on shield 103
It controls the switch 5 of computer 2 and stepper motor 12, the serial ports socket 7 of connection computer 2 and air-gauge, realize air-gauge gas supply
On-off ball valve 8, five Kong Yikai sockets 6 and button socket 9, the outlet of air filter 20 connect with ball valve 8, button socket
9 connection button boxes, button box are placed on button box rack 105.Diplopore rotating support arm 15, diplopore are installed on fine motion rack 14
P12D sensor 16 and nozzle 17 are installed in rotating support arm；P12D sensor 16 and stepper motor 12 are connect with computer 2, nozzle
17 with air-gauge for connecting.
A kind of method of automatic detection air-gauge linearity error, comprising the following steps:
Step S1: being adjusted fine motion rack 14, determines the motion range of fine motion rack 14.Determine fine motion rack 14
Primary clearance, moving distance, acquisition interval and movement speed parameter.Corresponding numerical value is arranged according to different ranges in each parameter value,
Setting method are as follows: range is divided into ± 5 μm, ± 10 μm, ± 25 μm and ± 50 μm, and the initial of corresponding range is arranged in range setting
Gap, multiplying power, measurement interval and the limits of error, such as ± 5 ranges setting primary clearance is 50 μm, multiplying power is 10 μm, is surveyed
1.0 μm are divided between amount, the limits of error are ± 0.2 μm；And the air-gauge multiplying power that will be detected regulates.
Step S2: stepper motor 12 is controlled by computer 2 and drives speed, interval and movement of the fine motion rack 14 to set
Distance is moved.It specifically includes:
The movement of motor 2-1) is controlled by computer 2, so that fine motion rack 14 be driven to move；
The displacement of P12D sensor 16 2-2) is set to change in 14 moving process of fine motion rack, while air-gauge measured value
Also it changes.
Step S3: fine motion rack 14 is often moved to a collection point, and P12D sensor detects this collection point and upper one is adopted
Vertical range between collection point utilizes gauge block respectively to correct P12D sensor by cautious point-by-point calibration, point by point when calibrating, calculates
Correction value β i out, calculation method are β i=Li-li, and wherein Li is theoretical vertical range between two collection points, and li is two acquisitions
The vertical range that point is detected by P12D sensor simultaneously adopts P12D sensor 16 and air-gauge data in measurement
Sample, until movement terminates.Delay acquisition is carried out to sensor, acquires out metastable numerical value；By computer 2 to air-gauge
Data uploading instructions are sent to acquire air-gauge measured value；Each collection point needs enough dead times to make data stabilization, selects
It selects appropriate speed and improves detection efficiency.
Step S4: being handled P12D sensor sample value and air-gauge numerical value when measuring by computer 2, analyzed, evaluated,
Obtain air-gauge linearity error, analysis method are as follows: each collection point linearity error Δ i=air-gauge measured value mi- sensor
Then collection value ni- this correction value β i, i.e. Δ i=mi-ni- β i find out maximum value Δ max and minimum value Δ in Δ i
Whether min judges Δ max and Δ min within the scope of limits of error Δ.For example, being as follows:
| Sensor collection value ni | Air-gauge numerical value mi | Error delta i |
| 0 | 0 | 0 |
| 0.8 | 0.9 | 0.1 |
| 1.9 | 2.0 | 0.1 |
| 3.0 | 2.8 | -0.2 |
| 4.1 | 4.0 | -0.1 |
| 4.8 | 5.0 | 0.2 |
| 6.1 | 6.0 | -0.1 |
Limits of error Δ=± 0.2, Δ max=0.2, Δ min=-0.2 in upper table, all within the scope of Δ, then
This detection is qualified.
Air-gauge linearity error is corrected by offset to eliminate caused by mechanical part and sensor self character
Error.
Step S5: being saved and determined to the linearity error obtained, and maloperation data, bi-colour light alarm (green are deleted
Flashing indicates that measurement result is qualified, and red flashing indicates that measurement result is unqualified), while linearity test report is generated, detection report
It accuses by printer output.
Using computer human-computer interaction interface display screen method, measurement start it is automatic or at the end of there is automatic balancing and multiple
Bit function, range and measuring speed may be selected, and overproof decision boundaries are adjustable, be configured with standard component data presetting, debugging functions；It surveys
Amount system realizes fault self-diagnosis, prompt and protection.
The present invention only needs an operator, is manipulated by computer human-computer interaction interface display screen, is respectively being examined using gauge block
It is pneumatic to be easily accomplished various ranges for the point-by-point calibration of point, point-by-point amendment, the principle of measurement compared with then synchronizing with measured instrument
The measurement for measuring the linear errors of indication of precision measurement instruments such as instrument, electron column automatically analyzes evaluation and saves measurement result, easy to operate,
Simply, working efficiency and work quality are significantly improved.
The present invention linearly measures the different ranges of the tested amount instrument such as air-gauge on the basis of fine motion rack 14,
The range that will be examined disposably completes automatic measurement, and measurement uses dynamic sampling mode, and P12D sensor 16 is collected corresponding
The measurement numerical value of parameter and air-gauge, which is admitted in special IPC electronic box, to be handled, determines, the practical inclined of corresponding range is obtained
Difference.The present invention has automatic balancing and reset function；The function of different measuring speeds is determined according to different ranges；It is overproof to sentence
It delimits adjustable, configured with functions such as standard component data presetting, amendments；The faulty self diagnosis of system configuration, prompt and protection etc.
Function；It realizes the sampling of dynamic measuring signal, processing, evaluation, judgement, display, delete maloperation data, protection, storage and double
Other functions such as colored lights alarm.The all industry of the programs such as the functions such as measurement sampling, evaluation, display, judgement, protection, alarm, storage is put down
The control of plate computer is automatic to be carried out, and is touched screen using 12 〞 and is shown measurement result.The present invention has the function of qualified, overproof instruction.No
There is different decision boundary with range, and the boundary can according to need adjustment.
The present invention using computer 2 control stepper motor 12 (1.8 ° of step angle, 0.077 ㎏/㎝ of rotary inertia2, maximum radial
Beat 0.025 ㎜, 0.075 ㎜ of maximum axial bounce) drive fine motion rack 14 to carry out precise motion, thus instead of manually controlling
Movement.The present invention is calibrated and is corrected automatically to each measurement point with gauge block, and direct measurement is converted to and compares measurement, thus
The systematic error of measuring instrument is eliminated, and compared with synchronizing measurement with air-gauge result using P12D sensor 16, into one
Step reduces the human error occurred in detection process, reproducible.The present invention, which realizes, to automatically reset and zero setting, automatic measurement,
Automatic collection measurement data automatically analyzes evaluation measurement result, has qualified or not auto-alarm function, automatically testing result out
Report, greatly improves working efficiency.
Claims (10)
1. a kind of device of automatic detection air-gauge linearity error, it is characterised in that: including rack, computer, fine motion slide unit, step
Into motor, fine motion rack and diplopore rotating support arm；The fine motion slide unit is horizontally mounted on the rack, and the stepper motor is set
In on fine motion slide unit, stepper motor output shaft is connect by diaphragm coupling with fine motion rack；Diplopore is installed on fine motion rack
Rotating support arm is equipped with P12D sensor and nozzle in diplopore rotating support arm；P12D sensor and stepper motor are connect with computer,
Nozzle with air-gauge for connecting.
2. the device of automatic detection air-gauge linearity error according to claim 1, it is characterised in that: the rack
Including computer installs case, runing rest and cabinet body, computer installs case is installed on the cabinet by runing rest, is located on cabinet body
Side；Measurement bottom plate is equipped at the top of the cabinet body, cabinet body inner cavity is divided into Key board drawer, electrical control cabinet and printing cabinet, keyboard
Drawer is located above printing cabinet and electrical control cabinet, and printing cabinet is located in front of electrical control cabinet, is equipped with and beats in printing cabinet
Print machine, printer are connect with computer；Cabinet body side is equipped with button box rack；The touch display of the computer is placed in computer
In installs case, keyboard is placed in Key board drawer；The fine motion slide unit is mounted on measurement bottom plate.
3. the device of automatic detection air-gauge linearity error according to claim 2, it is characterised in that: the measurement
Bottom rear is equipped with shield, and the stepper motor and fine motion slide unit are placed in shield；Control electricity is installed on shield
The ball valve of the on-off of the switch of brain and stepper motor, the serial ports socket of connection computer and air-gauge, realization air-gauge gas supply
And button socket, button socket connect button box.
4. the device of automatic detection air-gauge linearity error according to claim 2 or 3, it is characterised in that: described
Computer installs case is made of aluminum profile, and computer installs case is equipped with three color alarm lamps, and three color alarm lamps are connect with computer.
5. the device of automatic detection air-gauge linearity error according to claim 3, it is characterised in that: described is electrical
It controls cabinet rear plate and is equipped with air filter, the outlet of air filter is connect with ball valve.
6. a kind of automatic inspection of the device based on automatic detection air-gauge linearity error of any of claims 1-5
The method for surveying air-gauge linearity error, comprising the following steps:
Step S1: being adjusted fine motion rack, determines the motion range of fine motion rack；Determine fine motion rack primary clearance,
Moving distance, acquisition interval and movement speed parameter；
Step S2: it is carried out by speed, interval and moving distance that computer control stepper motor drives fine motion rack to set
Movement；
Step S3: fine motion rack is often moved to a collection point, P12D sensor detect this collection point and a upper collection point it
Between vertical range, in calibration using gauge block to P12D sensor respectively by cautious point-by-point calibration, point-by-point amendment, calculate amendment
Value βi, calculation method βi=Li-li, wherein LiTheoretical vertical range, l between two collection pointsiIt is two collection points by P12D
The vertical range that sensor detects simultaneously samples P12D sensor and air-gauge measured value in measurement, until
Movement terminates；
Step S4: P12D sensor sample value and air-gauge numerical value when measuring are handled by computer, analyzed, evaluated, obtained
Air-gauge linearity error, analysis method are as follows: each collection point linearity error Δ i=air-gauge measured value mi- sensor acquisition
Then value ni- this correction value β i, i.e. Δ i=mi-ni- β i find out maximum value Δ max and minimum value Δ min in Δ i, sentence
Whether disconnected Δ max and Δ min is within the scope of limits of error Δ.
Step S5: being saved and determined to the linearity error obtained, and maloperation data are deleted, and bi-colour light alarm generates simultaneously
Linearity test report, examining report is by printer output.
7. the method for automatic detection air-gauge linearity error according to claim 6, which is characterized in that the step S1
In each parameter value according to different ranges, corresponding numerical value, setting method are as follows: range is divided into ± 5 μm, ± 10 μm, ± 25 μm are set
With ± 50 μm, the primary clearance, multiplying power of the corresponding range of setting, measurement interval and the limits of error in range setting, and will
The air-gauge multiplying power to be detected regulates.
8. the method for automatic detection air-gauge linearity error according to claim 6, which is characterized in that the step S2
Include:
The movement of motor 2-1) is controlled by computer, to drive fine motion stage motion；
2-2) sensor displacement is set to change in fine motion rack moving process, while air-gauge measured value also changes.
9. the method for automatic detection air-gauge linearity error according to claim 6, which is characterized in that the step S3
In, delay acquisition is carried out to sensor, acquires out metastable numerical value, data upload is sent to air-gauge by computer and is referred to
It enables to acquire air-gauge measured value.
10. the method for automatic detection air-gauge linearity error according to claim 6, which is characterized in that in step S4
Air-gauge linearity error by offset correct to eliminate error caused by mechanical part and sensor self character.
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|---|---|---|---|
| CN201811389516.4A CN109540048B (en) | 2018-11-21 | 2018-11-21 | Device and method for automatically detecting linear error of pneumatic measuring instrument |
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| CN201811389516.4A CN109540048B (en) | 2018-11-21 | 2018-11-21 | Device and method for automatically detecting linear error of pneumatic measuring instrument |
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| CN112345223A (en) * | 2020-11-03 | 2021-02-09 | 中山市恒滨实业有限公司 | Assembly detection method of spray-melt cloth extrusion die |
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