CN105651640A - Full-automatic detection device of Shore durometer and method thereof - Google Patents
Full-automatic detection device of Shore durometer and method thereof Download PDFInfo
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- CN105651640A CN105651640A CN201610178096.XA CN201610178096A CN105651640A CN 105651640 A CN105651640 A CN 105651640A CN 201610178096 A CN201610178096 A CN 201610178096A CN 105651640 A CN105651640 A CN 105651640A
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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
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Abstract
The invention discloses a full-automatic detection device of a Shore durometer and a method thereof. The device comprises a working platform, a force measurement mechanism, a CCD measurement system, a detected Shore durometer, a durometer clamping mechanism, a servo motor, a drive control and data acquisition system and a PC machine, wherein the PC machine drives the servo motor to drive the durometer clamping mechanism to move down via a screw rod; meanwhile, output signals of the force measurement mechanism are also simultaneously transmitted to the drive control and data acquisition system, so that the closed-loop control of the whole action is implemented. The device is capable of quickly and reliably mounting various durometers different in shape and size; a servo motor closed-loop control system can be used for slowly enabling a pressing pin of the detected Shore durometer to act on the force measurement mechanism; the PC machine is used for collecting the output signals of a force sensor; the output signals of the force sensor are used as standards; the CCD measurement system is used for automatically collecting indicating values of the Shore durometer and applying measurement results to calculation of error of the indicating values, so that the full-automatic detection of the Shore durometer is implemented.
Description
Technical field
The present invention relates to durometer calibrating field, especially Shore durometer assay device, Shore durometer is carried out the demand of accurately calibrating by metrological service and relevant enterprises and institutions to use this device disclosure satisfy that.
Background technology
Shore durometer assay device, for all kinds of Shore durometers are examined and determine the device of (calibration), is now widely used both at home and abroad. Traditional Shore durometer assay device Problems existing mainly has:
1, function singleness, operates comparatively laborious, examines and determine inefficient;
2, there is limitation in the clamping device of existing apparatus, it is impossible to meets the clamping requirement of the Shore durometer of different apparent size;
3, existing assay device is mostly simple frame for movement, it is impossible to enough realize automatic Verification and data Automatic analysis function;
4, existing assay device measurement result is readily incorporated personal error, and the reliability of measurement result is relatively low.
Summary of the invention
It is an object of the invention to examine and determine problem for durometer, it is proposed to a kind of full-automatic assay device of brand-new Shore durometer and method. This device can realize the Shore durometer of various different overall dimensions is carried out quick, reliably install, utilize servomotor closed-loop control system automatically the pressing of tested Shore durometer can be acted on force measurement mechanism. Data acquisition and analysis system gathers the force value signal of force transducer automatically, with force sensor output signal for standard, by CCD, the indicating value of Shore durometer is gathered measurement automatically, and the hardness number that measurement result and automatic data acquisition system gathered carry out the error of indication automatically analyze calculating, finally realize the full-automatic calibrating of Shore durometer value testing.
The technical scheme is that
A kind of full-automatic assay device of Shore durometer, it includes work platforms, force measurement mechanism, CCD measurement system, drive mechanism, durometer clamping mechanism, servomotor, driving control and data collecting system and PC,
Described work platforms is arranged on the base of assay device, and force measurement mechanism is arranged on work platforms, and tested Shore durometer is clamped by durometer clamping mechanism, and is arranged at the top of force measurement mechanism,
Described drive mechanism is arranged on base, servomotor is arranged on the top of drive mechanism, it drives output shaft to connect durometer clamping mechanism, drive tested Shore durometer that pressing acts on force measurement mechanism, the control signal end of described servomotor connects the driving signal end driving control and data collecting system, control and data collecting system is driven to be connected with PC
Described CCD measures system and is arranged on the side of base, and for the show value of tested Shore durometer is carried out data acquisition, its signal output part is connected with the data acquisition signal input driving control and data collecting system.
The force measurement mechanism of the present invention adopts cantilever beam force transducer.
Present invention additionally comprises High-precision angle encoder and high accuracy grating scale, described High-precision angle encoder is for monitoring the rotary regimes of servomotor, high accuracy grating scale is for monitoring the position of durometer clamping mechanism, and its signal output part is all connected with the data acquisition signal input driving control and data collecting system.
A kind of full-automatic calibration method of Shore durometer, applies the full-automatic assay device of Shore durometer, and it comprises the following steps:
The standard hardness value that S1, the model arranging various Shore durometer in PC and the calibrating of each model correspondence are put, calculates each model and examines and determine standard force value corresponding to the standard hardness value put and store;
S2, being arranged on durometer clamping mechanism by tested Shore durometer, input the model of tested Shore durometer in PC, PC selects corresponding calibrating point;
S3, adjust work platforms position guarantee tested Shore durometer pressing alignment force measurement mechanism optimum measurement region; Adjust CCD and measure the position of system and angle, it is ensured that its can accurate acquisition to the show value of tested Shore durometer;
S4, employing PC control to drive servomotor, drive durometer clamping mechanism to move downward by screw mandrel, the pressure value signal of the tested Shore durometer of force measurement mechanism Real-time Collection, by driving control and data collecting system transmission to PC,
S5, when the force value of force measurement mechanism Real-time Collection namely detect force value with when in step S1, the standard force value of the corresponding calibrating point of storage is consistent, PC measures the show value of the tested Shore durometer of system acquisition by driving control and data collecting system to control CCD, obtain the display hardness number input PC that this show value is corresponding, record standard hardness value and the display hardness number of this calibrating point;
The standard hardness values of all calibrating points are compared with display hardness number, record the error of this tested Shore durometer by S6, repetition said process S1-S5, it is achieved the calibrating of all calibrating points.
In the step S1 of the present invention: the model of the Shore durometer of typing includes A type, AO type and D type in PC, adopt standard force value F, unit mN that the standard hardness value of following formula calculating each model calibrating point is corresponding:
A type: F=550+75HA;
AO type: F=550+75HAO;
D type: F=445HD;
Wherein: HA represents the standard hardness value of A type Shore durometer calibrating point; HAO represents the standard hardness value of AO type Shore durometer calibrating point; HD represents the standard hardness value of D type Shore durometer calibrating point.
The CCD of the present invention measures system and adopts ccd image controller to realize automatically gathering to the indicating value of pointer-type and digital display type Shore durometer, and its measurement error is �� 0.1HA.
In the step S5 of the present invention: adopt High-precision angle encoder and high accuracy grating scale to detect the rotary regimes of servomotor and the location status of durometer clamping mechanism respectively, and by status information by driving control and data collecting system to transmit to PC, the output signal of force measurement mechanism is also by driving control and data collecting system to transmit to PC simultaneously, PC is by controlling the motion driving servomotor to drive durometer clamping mechanism, it is achieved the closed loop control of whole action.
Beneficial effects of the present invention:
The assay device mounting and clamping system of the present invention can carry out quick, stable installation according to tested scleroscopic different overall dimensions, and PC, according to Shore durometer (A type, D type, the AO type) model of input, automatically selects test force and hardness number.According to mounted durometer pressing position the force transducer in measurement system carried out X, Y, Z-direction trace accurately adjust, it is ensured that pressing can act on the optimum measurement region of force transducer. Servomotor loading system can realize closed loop control and be acted on lentamente in hardness number pilot strength measurement system by tested scleroscopic pressing. When the force value signal that PC collects force transducer reaches to automatically set value, ccd data automated collection systems gathers the indicating value on tested durometer, data analysis processes system and automatically by known mathematical model, the force value signal of force transducer is calculated standard hardness value, and automatically analyze according to tested durometer indicating value and standard hardness value, finally automatically calculate the error of indication of tested Shore durometer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is servomotor closed loop control system control flow chart.
1, work platforms; 2, force measurement mechanism; 3, CCD measures system; 4, tested Shore durometer; 5, durometer clamping mechanism; 6, servomotor; 7, High-precision angle encoder; 8, high accuracy grating scale; 9, control and data collecting system are driven; 10, PC.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, a kind of full-automatic assay device of Shore durometer, it includes work platforms 1, force measurement mechanism 2 (adopting cantilever beam force transducer), CCD measurement system 3, drive mechanism, durometer clamping mechanism 5, servomotor 6, High-precision angle encoder 7, high accuracy grating scale 8, drives control and data collecting system 9 and PC 10
Described work platforms 1 is arranged on the base of assay device, and force measurement mechanism 2 is arranged on work platforms 1, and tested Shore durometer 4 is clamped by durometer clamping mechanism 5, and is arranged at the top of force measurement mechanism 2,
Described drive mechanism is arranged on base, servomotor 6 is arranged on the top of drive mechanism, it drives output shaft to connect durometer clamping mechanism 5, drive tested Shore durometer 4 that pressing acts on force measurement mechanism 2, the control signal end of described servomotor 6 connects the driving signal end driving control and data collecting system 9, control and data collecting system 9 is driven to be connected with PC 10
Described CCD measures system 3 and is arranged on the side of base, and for the show value of tested Shore durometer 4 is carried out data acquisition, its signal output part is connected with the data acquisition signal input driving control and data collecting system 9.
Described High-precision angle encoder 7 and high accuracy grating scale 8, described High-precision angle encoder 7 is for monitoring the rotary regimes of servomotor 6, high accuracy grating scale 8 is for monitoring the position of durometer clamping mechanism 5, and its signal output part is all connected with the data acquisition signal input driving control and data collecting system 9.
When specifically examining and determine, apply the full-automatic assay device of Shore durometer, comprise the following steps:
The standard hardness value of S1, the model that various Shore durometer is set in PC 10 and each model correspondence calibrating point, the model of described Shore durometer includes A type, AO type and D type, adopt standard force value F, unit mN that the standard hardness value of following formula calculating each model calibrating point is corresponding:
A type: F=550+75HA;
AO type: F=550+75HAO;
D type: F=445HD;
Wherein: HA represents the standard hardness value of A type Shore durometer calibrating point; HAO represents the standard hardness value of AO type Shore durometer calibrating point; HD represents the standard hardness value of D type Shore durometer calibrating point;
S2, being arranged on durometer clamping mechanism 5 by tested Shore durometer 4, input the model of tested Shore durometer 4 in PC 10, PC 10 selects corresponding calibrating point;
S3, adjust work platforms 1 position guarantee tested Shore durometer 4 pressing alignment force measurement mechanism 2 optimum measurement region; Adjust CCD and measure the position of system 3 and angle, it is ensured that its can accurate acquisition to the show value of tested Shore durometer 4;
S4, employing PC 10 control to drive servomotor 6, drive durometer clamping mechanism 5 to move downward by screw mandrel, the pressure value signal of the tested Shore durometer 4 of force measurement mechanism 2 Real-time Collection, by driving control and data collecting system 9 to transmit to PC 10,
S5, when the force value of force measurement mechanism 2 Real-time Collection namely detect force value with when in step S1, the standard force value of the corresponding calibrating point of storage is consistent, PC 10 gathers the show value of tested Shore durometer 4 by driving control and data collecting system 9 to control CCD measurement system 3, obtain the display hardness number input PC 10 that this show value is corresponding, record standard hardness value and the display hardness number of this calibrating point;
High-precision angle encoder 7 and high accuracy grating scale 8 is adopted to detect the rotary regimes of servomotor 6 and the location status of durometer clamping mechanism 5 respectively, and by status information by driving control and data collecting system 9 to transmit to PC 10, the output signal of force measurement mechanism 2 is also by driving control and data collecting system 9 to transmit to PC 10 simultaneously, PC 10 is by controlling the motion driving servomotor 6 to drive durometer clamping mechanism 5, it is achieved the closed loop control of whole action;
The standard hardness values of all calibrating points are compared with display hardness number, record the error of this tested Shore durometer 4 by S6, repetition said process S1-S5, it is achieved the calibrating of all calibrating points.
The CCD of the present invention measures system 3 and adopts ccd image controller to realize automatically gathering to the indicating value of pointer-type and digital display type Shore durometer, and its measurement error is �� 0.1HA.
Part that the present invention does not relate to is all same as the prior art maybe can adopt prior art to be realized.
Claims (7)
1. the full-automatic assay device of Shore durometer, it is characterized in that it includes work platforms (1), force measurement mechanism (2), CCD measurement system (3), drive mechanism, durometer clamping mechanism (5), servomotor (6), drives control and data collecting system (9) and PC (10)
Described work platforms (1) is arranged on the base of assay device, force measurement mechanism (2) is arranged on work platforms (1), tested Shore durometer (4) is clamped by durometer clamping mechanism (5), and it is arranged at the top of force measurement mechanism (2)
Described drive mechanism is arranged on base, servomotor (6) is arranged on the top of drive mechanism, it drives output shaft to connect durometer clamping mechanism (5), drive tested Shore durometer (4) that pressing acts on force measurement mechanism (2), the control signal end of described servomotor (6) connects the driving signal end driving control and data collecting system (9), control and data collecting system (9) is driven to be connected with PC (10)
Described CCD measures system (3) and is arranged on the side of base, for the show value of tested Shore durometer (4) is carried out data acquisition, its signal output part is connected with the data acquisition signal input driving control and data collecting system (9).
2. the full-automatic assay device of Shore durometer according to claim 1, is characterized in that described force measurement mechanism (2) adopts cantilever beam force transducer.
3. the full-automatic assay device of Shore durometer according to claim 1, it is characterized in that it also includes High-precision angle encoder (7) and high accuracy grating scale (8), described High-precision angle encoder (7) is used for monitoring the rotary regimes of servomotor (6), high accuracy grating scale (8) is used for monitoring the position of durometer clamping mechanism (5), and its signal output part is all connected with the data acquisition signal input driving control and data collecting system (9).
4. the full-automatic calibration method of Shore durometer, application Shore durometer full-automatic assay device described in claim 1, it is characterized in that it comprises the following steps:
The standard hardness value that S1, the model arranging various Shore durometer in PC (10) and the calibrating of each model correspondence are put, calculates each model and examines and determine standard force value corresponding to the standard hardness value put and store;
S2, tested Shore durometer (4) is arranged on durometer clamping mechanism (5), in the inner model inputting tested Shore durometer (4) of PC (10), PC (10) selects corresponding calibrating point;
S3, adjust work platforms (1) position guarantee tested Shore durometer (4) pressing alignment force measurement mechanism (2) optimum measurement region; Adjust CCD and measure position and the angle of system (3), it is ensured that its can accurate acquisition to the show value of tested Shore durometer (4);
S4, employing PC (10) control to drive servomotor (6), durometer clamping mechanism (5) is driven to move downward by screw mandrel, the pressure value signal of the tested Shore durometer of force measurement mechanism (2) Real-time Collection (4), by driving control and data collecting system (9) to transmit to PC (10)
S5, when the force value of force measurement mechanism (2) Real-time Collection namely detect force value with when in step S1, the standard force value of the corresponding calibrating point of storage is consistent, PC (10) gathers the show value of tested Shore durometer (4) by driving control and data collecting system (9) to control CCD measurement system (3), obtain display hardness number input PC (10) that this show value is corresponding, record standard hardness value and the display hardness number of this calibrating point;
The standard hardness values of all calibrating points are compared with display hardness number, record the error of this tested Shore durometer (4) by S6, repetition said process S1-S5, it is achieved the calibrating of all calibrating points.
5. the full-automatic calibration method of Shore durometer according to claim 4, it is characterized in that: in step S1: in PC (10), the model of the Shore durometer of typing includes A type, AO type and D type, adopt standard force value F, unit mN that the standard hardness value of following formula calculating each model calibrating point is corresponding:
A type: F=550+75HA;
AO type: F=550+75HAO;
D type: F=445HD;
Wherein: HA represents the standard hardness value of A type Shore durometer calibrating point; HAO represents the standard hardness value of AO type Shore durometer calibrating point; HD represents the standard hardness value of D type Shore durometer calibrating point.
6. the full-automatic calibration method of Shore durometer according to claim 4, it is characterized in that: CCD measures system (3) and adopts ccd image controller to realize automatically gathering to the indicating value of pointer-type and digital display type Shore durometer, and its measurement error is �� 0.1HA.
7. the full-automatic calibration method of Shore durometer according to claim 4, it is characterized in that: in step S5: adopt High-precision angle encoder (7) and high accuracy grating scale (8) to detect the rotary regimes of servomotor (6) and the location status of durometer clamping mechanism (5) respectively, and by status information by driving control and data collecting system (9) to transmit to PC (10), the output signal of force measurement mechanism (2) is also by driving control and data collecting system (9) to transmit to PC (10) simultaneously, PC (10) is by controlling the motion driving servomotor (6) to drive durometer clamping mechanism (5), realize the closed loop control of whole action.
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Cited By (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 |
| CN113504142A (en) * | 2021-08-13 | 2021-10-15 | 无锡恩捷新材料科技有限公司 | Shore hardness testing device and testing method |
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| CN105651640B (en) | 2019-05-21 |
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