CN105651640B - A kind of full-automatic calibrating installation of Shore durometer and method - Google Patents
A kind of full-automatic calibrating installation of Shore durometer and method Download PDFInfo
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- CN105651640B CN105651640B CN201610178096.XA CN201610178096A CN105651640B CN 105651640 B CN105651640 B CN 105651640B CN 201610178096 A CN201610178096 A CN 201610178096A CN 105651640 B CN105651640 B CN 105651640B
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- shore durometer
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- value
- calibrating
- hardometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/62—Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
Abstract
A kind of full-automatic calibrating installation of Shore durometer and method, including workbench, force measurement mechanism, CCD measuring system, tested Shore durometer, hardometer clamping mechanism, servo motor, drive control and data collection system and PC machine, PC machine drives servo motor to drive hardometer clamping mechanism to move downward by screw rod, also simultaneous transmission realizes the closed-loop control entirely acted to drive control and data collection system to the output signal of force measurement mechanism simultaneously.The device can be realized to quick, the reliable installation of various different outer dimensions, can slowly be acted on the pressing of tested Shore durometer in force measurement mechanism using servo motor closed-loop control system.PC machine acquires the output signal of force snesor, using force sensor output signal as standard, carries out automatic collection by indicating value of the CCD measuring system to Shore durometer, and measurement result is carried out to the calculating of the error of indication, realizes the full-automatic calibrating of Shore durometer.
Description
Technical field
The present invention relates to hardometers to examine and determine field, especially Shore durometer calibrating installation, can satisfy using the device
The demand that Shore durometer is accurately examined and determine by metrological service and related enterprises and institutions.
Background technique
Shore durometer calibrating installation is used to examine and determine all kinds of Shore durometers the device of (calibration), now both at home and abroad
It is widely used.Traditional Shore durometer calibrating installation there are the problem of mainly have:
1, it has a single function, operation is comparatively laborious, and calibrating efficiency is lower；
2, there are limitations for the clamping device of existing apparatus, are not able to satisfy the clamping of the Shore durometer of different apparent sizes
It is required that；
3, existing calibrating installation is mostly simple mechanical structure, can not be realized at automatic Verification and data analysis
Manage function；
4, existing calibrating installation measurement result is readily incorporated personal error, and the reliability of measurement result is lower.
Summary of the invention
The purpose of the present invention is examining and determine problem for hardometer, propose that a kind of completely new Shore durometer automatically examines and determine dress
It sets and method.The device can realize the Shore durometer to various different outer dimensions carry out quickly, reliable installation, using watching
Taking motor closed-loop control system automatically can act on force measurement mechanism for the pressing of tested Shore durometer.Data acquisition
The force value signal of analysis system automatic collection force snesor, using force sensor output signal as standard, by CCD to shore hardness
The indicating value of meter carries out automatic collection measurement, and measurement result and automatic data acquisition system hardness number collected are carried out indicating value
Error automatically analyzes calculating, the final full-automatic calibrating for realizing Shore durometer value testing.
The technical scheme is that
A kind of full-automatic calibrating installation of Shore durometer, it include workbench, force measurement mechanism, CCD measuring system,
Transmission mechanism, hardometer clamping mechanism, servo motor, drive control and data collection system and PC machine,
The workbench is mounted on the pedestal of calibrating installation, and force measurement mechanism is arranged on workbench, quilt
Inspection Shore durometer is clamped by hardometer clamping mechanism, and is set to the top of force measurement mechanism,
The transmission mechanism is mounted on the base, and servo motor is mounted on the top of transmission mechanism, drives output shaft
Hardometer clamping mechanism is connected, drives tested Shore durometer that pressing is acted on force measurement mechanism, the servo motor
Control signal end connection drive control and data collection system driving signal end, drive control and data collection system and PC
Machine is connected,
The CCD measuring system is mounted on the side of pedestal, counts for the show value to tested Shore durometer
According to acquisition, signal output end is connected with the data acquisition signal input terminal of drive control and data collection system.
Force measurement mechanism of the invention uses cantilever force sensor beam.
The invention also includes High-precision angle encoder and high-precision grating scale, the High-precision angle encoder is used for
The rotary regimes of servo motor are monitored, high-precision grating scale is used to monitor the position of hardometer clamping mechanism, signal output end
It is connected with the data acquisition signal input terminal of drive control and data collection system.
A kind of full-automatic calibration method of Shore durometer, using the full-automatic calibrating installation of Shore durometer, it includes following
Step:
The standard hardness value of the corresponding calibrating point of S1, the model that various Shore durometers are set in PC machine and each model,
It calculates the corresponding standard force value of standard hardness value of each model calibrating point and is stored；
S2, tested Shore durometer is mounted on hardometer clamping mechanism, tested Shore durometer is inputted in PC machine
Model, PC machine selects corresponding calibrating point；
S3, the position for adjusting workbench ensure the best survey of the pressing alignment force measurement mechanism of tested Shore durometer
Measure region；Adjust position and the angle of CCD measuring system, it is ensured that its display that can accurately collect tested Shore durometer
Value；
S4, driving servo motor is controlled using PC machine, drive hardometer clamping mechanism to move downward by screw rod, force value is surveyed
Measuring mechanism acquires the pressure value signal of tested Shore durometer in real time, is transmitted to PC by drive control and data collection system
Machine,
S5, the corresponding calibrating point stored in force value and step S1 is detected when the pressure value that force measurement mechanism acquires in real time
Standard force value it is consistent when, PC machine by drive control and data collection system controls CCD measuring system, and to acquire tested shore hard
The show value for spending meter obtains the show value corresponding display hardness number input PC machine, record the standard hardness value of the calibrating point with
Show hardness number；
S6, repeat the above process S1-S5, realize the calibratings of all calibrating points, by the standard hardness values of all calibrating points with
Display hardness number is compared, and records the error of the tested Shore durometer.
In step S1 of the invention: the model of the Shore durometer of typing includes A type, AO type and D type in PC machine, is used
Following formula calculate the corresponding standard force value F of standard hardness value, unit mN of each model calibrating point:
A type: F=550+75HA；
AO type: F=550+75HAO；
D type: F=445HD；
Wherein: HA indicates the standard hardness value of A type Shore durometer calibrating point；HAO indicates the calibrating of AO type Shore durometer
The standard hardness value of point；HD indicates the standard hardness value of D type Shore durometer calibrating point.
CCD measuring system of the invention is using ccd image controller to the indicating value of pointer-type and digital display type Shore durometer
Realize that automatic collection, measurement error are ± 0.1HA.
In step S5 of the invention: detecting servo motor respectively using High-precision angle encoder and high-precision grating scale
The location status of rotary regimes and hardometer clamping mechanism, and status information is transmitted by drive control and data collection system
To PC machine, while the output signal of force measurement mechanism is transmitted to PC machine, PC machine also by drive control and data collection system
The movement that hardometer clamping mechanism is driven by control driving servo motor, realizes the closed-loop control entirely acted.
Beneficial effects of the present invention:
Calibrating installation mounting and clamping system of the invention can scleroscopic different outer dimension progress be quick, stablize according to being detected
Installation, Shore durometer (A type, the D type, AO type) model of PC machine according to input, automatically selects test force and hardness number.According to peace
The hardometer pressing position installed carries out the micro accurate adjustment of X, Y, Z-direction to the force snesor in measuring system, it is ensured that pressure
Needle can act on the optimum measurement region of force snesor.Closed-loop control may be implemented by tested hardness in servo motor loading system
The pressing of meter slowly acts in hardness number pilot strength measurement system.When the force value signal that PC machine collects force snesor reaches
When automatic setting value, ccd data automated collection systems acquire the indicating value on tested hardometer, and data analysis processing system is certainly
It is dynamic that the force value signal of force snesor is calculated into standard hardness value by known mathematical model, and according to tested hardometer indicating value
It is automatically analyzed with standard hardness value, finally calculates the error of indication of tested Shore durometer automatically.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is servo motor closed-loop control system control flow chart.
1, workbench；2, force measurement mechanism；3, CCD measuring system；4, it is detected Shore durometer；5, hardometer clamping
Mechanism；6, servo motor；7, High-precision angle encoder；8, high-precision grating scale；9, drive control and data collection system；
10, PC machine.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of full-automatic calibrating installation of Shore durometer, it includes workbench 1, force measurement mechanism 2
(using cantilever force sensor beam), CCD measuring system 3, transmission mechanism, hardometer clamping mechanism 5, servo motor 6, high-precision angle
Encoder 7, high-precision grating scale 8, drive control and data collection system 9 and PC machine 10 are spent,
The workbench 1 is mounted on the pedestal of calibrating installation, and force measurement mechanism 2 is arranged on workbench 1,
Tested Shore durometer 4 is clamped by hardometer clamping mechanism 5, and is set to the top of force measurement mechanism 2,
The transmission mechanism is mounted on the base, and servo motor 6 is mounted on the top of transmission mechanism, drives output shaft
Hardometer clamping mechanism 5 is connected, drives tested Shore durometer 4 that pressing is acted on force measurement mechanism 2, the servo electricity
The control signal end connection drive control of machine 6 and the driving signal end of data collection system 9, drive control and data collection system
9 are connected with PC machine 10,
The CCD measuring system 3 is mounted on the side of pedestal, carries out for the show value to tested Shore durometer 4
Data acquisition, signal output end are connected with the data acquisition signal input terminal of drive control and data collection system 9.
The High-precision angle encoder 7 and high-precision grating scale 8, the High-precision angle encoder 7 is for supervising
The rotary regimes of servo motor 6 are surveyed, high-precision grating scale 8 is used to monitor the position of hardometer clamping mechanism 5, signal output end
It is connected with the data acquisition signal input terminal of drive control and data collection system 9.
When specific calibrating, using the full-automatic calibrating installation of Shore durometer, comprising the following steps:
The standard hardness of the corresponding calibrating point of S1, the model that various Shore durometers are set in PC machine 10 and each model
Value, the model of the Shore durometer include A type, AO type and D type, and the standard of each model calibrating point is calculated using following formula
Hardness number corresponding standard force value F, unit mN:
A type: F=550+75HA；
AO type: F=550+75HAO；
D type: F=445HD；
Wherein: HA indicates the standard hardness value of A type Shore durometer calibrating point；HAO indicates the calibrating of AO type Shore durometer
The standard hardness value of point；HD indicates the standard hardness value of D type Shore durometer calibrating point；
S2, tested Shore durometer 4 is mounted on hardometer clamping mechanism 5, it is hard that tested shore is inputted in PC machine 10
The model of degree meter 4, PC machine 10 select corresponding calibrating point；
S3, the position for adjusting workbench 1 ensure the pressing alignment force measurement mechanism 2 of tested Shore durometer 4 most
Good measured zone；Adjust position and the angle of CCD measuring system 3, it is ensured that it can accurately collect tested Shore durometer 4
Show value；
S4, driving servo motor 6 is controlled using PC machine 10, drive hardometer clamping mechanism 5 to move downward by screw rod, power
It is worth the pressure value signal that measuring mechanism 2 acquires tested Shore durometer 4 in real time, is passed by drive control and data collection system 9
PC machine 10 is transported to,
S5, when the pressure value that force measurement mechanism 2 acquires in real time detect stored in force value and step S1 it is corresponding calibrating
When the standard force value of point is consistent, PC machine 10 controls the acquisition of CCD measuring system 3 by drive control and data collection system 9 and is detected
The show value of Shore durometer 4 obtains the corresponding display hardness number input PC machine 10 of the show value, records the standard of the calibrating point
Hardness number and display hardness number；
Detect the rotary regimes and hardness of servo motor 6 respectively using High-precision angle encoder 7 and high-precision grating scale 8
The location status of clamping mechanism 5 is counted, and status information is transmitted to PC machine 10 by drive control and data collection system 9, together
When force measurement mechanism 2 output signal be transmitted to PC machine 10 also by drive control and data collection system 9, PC machine 10 passes through
Control driving servo motor 6 drives the movement of hardometer clamping mechanism 5, realizes the closed-loop control entirely acted；
S6, repeat the above process S1-S5, realize the calibratings of all calibrating points, by the standard hardness values of all calibrating points with
Display hardness number is compared, and records the error of the tested Shore durometer 4.
CCD measuring system 3 of the invention is using ccd image controller to the indicating value of pointer-type and digital display type Shore durometer
Realize that automatic collection, measurement error are ± 0.1HA.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of full-automatic calibration method of Shore durometer, using the full-automatic calibrating installation of Shore durometer, which includes work
Make platform (1), force measurement mechanism (2), CCD measuring system (3), transmission mechanism, hardometer clamping mechanism (5), servo motor
(6), drive control and data collection system (9) and PC machine (10),
The workbench (1) is mounted on the pedestal of calibrating installation, and force measurement mechanism (2) is arranged in workbench (1)
On, it is detected Shore durometer (4) and is clamped by hardometer clamping mechanism (5), and be set to the top of force measurement mechanism (2),
The transmission mechanism is mounted on the base, and servo motor (6) is mounted on the top of transmission mechanism, and transmission mechanism connection is hard
Degree meter clamping mechanism (5) drives tested Shore durometer (4) to act on pressing force measurement mechanism (2), the servo electricity
The control signal end connection drive control of machine (6) and the driving signal end of data collection system (9), drive control and data acquisition
System (9) is connected with PC machine (10),
The CCD measuring system (3) is mounted on the side of pedestal, carries out for the show value to tested Shore durometer (4)
Data acquisition, signal output end are connected with the data acquisition signal input terminal of drive control and data collection system (9)；
It is characterized in that method includes the following steps:
S1, the model and each model of the various Shore durometers of setting correspond to the standard hardness value of calibrating point in PC machine (10),
It calculates the corresponding standard force value of standard hardness value of each model calibrating point and is stored；
S2, tested Shore durometer (4) is mounted on hardometer clamping mechanism (5), is detected shore in inner input of PC machine (10)
The model of hardometer (4), PC machine (10) select corresponding calibrating point；
S3, the position for adjusting workbench (1) ensure pressing alignment force measurement mechanism (2) of tested Shore durometer (4)
Optimum measurement region；Adjust position and the angle of CCD measuring system (3), it is ensured that it can accurately collect tested shore hardness
Count the show value of (4)；
S4, driving servo motor (6) is controlled using PC machine (10), hardometer clamping mechanism is driven by transmission mechanism, that is, screw rod
(5) it moves downward, force measurement mechanism (2) acquires the pressure value signal of tested Shore durometer (4) in real time, passes through drive control
And data collection system (9) is transmitted to PC machine (10),
S5, the corresponding calibrating point stored in force value and step S1 is detected when the pressure value that force measurement mechanism (2) acquires in real time
Standard force value it is consistent when, PC machine (10) by drive control and data collection system (9) control CCD measuring system (3) acquisition
The show value of tested Shore durometer (4) obtains corresponding display hardness number input PC machine (10) of the show value, records the calibrating
The standard hardness value and display hardness number of point；
S6, S1-S5 is repeated the above process, realizes the calibrating of all calibrating points, by the standard hardness value and display of all calibrating points
Hardness number is compared, and records the error of tested Shore durometer (4).
2. the full-automatic calibration method of Shore durometer according to claim 1, it is characterized in that: in step S1: in PC machine
(10) model of the Shore durometer of typing includes A type, AO type and D type in, calculates each model calibrating point using following formula
Standard hardness is worth corresponding standard force value F, unit mN:
A type: F=550+75HA；
AO type: F=550+75HAO；
D type: F=445HD；
Wherein: HA indicates the standard hardness value of A type Shore durometer calibrating point；HAO indicates AO type Shore durometer calibrating point
Standard hardness value；HD indicates the standard hardness value of D type Shore durometer calibrating point.
3. the full-automatic calibration method of Shore durometer according to claim 1, it is characterized in that: CCD measuring system (3) uses
Ccd image controller to pointer-type and digital display type Shore durometer indicating value realize automatic collection, measurement error be ±
0.1HA。
4. the full-automatic calibration method of Shore durometer according to claim 1, it is characterized in that: in step S5: using high-precision
Degree angular encoder (7) and high-precision grating scale (8) detect the rotary regimes and hardometer clamping mechanism of servo motor (6) respectively
(5) location status, and status information is transmitted to PC machine (10) by drive control and data collection system (9), while power
The output signal of value measuring mechanism (2) is transmitted to PC machine (10) also by drive control and data collection system (9), PC machine (10)
The movement of hardometer clamping mechanism (5) is driven by control driving servo motor (6), realizes the closed-loop control entirely acted.
5. the full-automatic calibration method of Shore durometer according to claim 1, it is characterized in that the force measurement mechanism
(2) cantilever force sensor beam is used.
6. the full-automatic calibration method of Shore durometer according to claim 1, it is characterized in that it further includes High-precision angle
Encoder (7) and high-precision grating scale (8), the High-precision angle encoder (7) are used to monitor the revolving speed of servo motor (6)
State, high-precision grating scale (8) are used to monitor the positions of hardometer clamping mechanism (5), High-precision angle encoder (7) and high-precision
The signal output end of degree grating scale (8) is connected with the data acquisition signal input terminal of drive control and data collection system (9).
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031352A (en) * | 2019-05-15 | 2019-07-19 | 河南省计量科学研究院 | Rockwell apparatus Standard Machine and hardness calibration method |
| CN112595622A (en) * | 2020-12-29 | 2021-04-02 | 内蒙航天动力机械测试所 | Shore durometer test force calibrating device |
| CN113504142B (en) * | 2021-08-13 | 2022-11-01 | 无锡恩捷新材料科技有限公司 | Shore hardness testing device and testing method |
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