CN104748663A - Detection method of bearing inner-ring hole diameter detection mechanism - Google Patents
Detection method of bearing inner-ring hole diameter detection mechanism Download PDFInfo
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- CN104748663A CN104748663A CN201510147979.XA CN201510147979A CN104748663A CN 104748663 A CN104748663 A CN 104748663A CN 201510147979 A CN201510147979 A CN 201510147979A CN 104748663 A CN104748663 A CN 104748663A
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Abstract
The invention discloses a detection method of a bearing inner-ring hole diameter detection mechanism and belongs to the technical field of bearing inner-ring detection. The detection method includes that when a detected bearing inner-ring is moved into a detection waiting workstation of the detection mechanism, a lifting platform descends, a detection part descends along with the lifting platform, Y-direction inner diameter of first section of the bearing inner-ring is measured, the lifting platform descends again, Y-direction inner diameter of a second section of the bearing inner ring is measured, measuring data of the two sections are sent a data processing module of an operating platform, and the data processing module can calculate inner diameter conicity of the detected bearing inner-ring; after detection of the Y-direction inner diameter of the detected bearing inner-ring is completed, the bearing inner-ring is moved into an X-direction measuring claw, inner diameter of two sections of the detected bearing inner-ring is measured again, and inner diameter, roundness and conicity of the detected bearing inner-ring are calculated finally. By the detection method, hole diameter, roundness and conicity of the bearing inner-ring can be measured quickly and accurately.
Description
The present invention is the applying date is on April 9th, 2013, and application number is 201310121326.5, and denomination of invention is the divisional application of " a kind of bearing inner race Pore Diameter Detection mechanism and detection method thereof ".
Technical field
The present invention relates to a kind of testing agency for bearing inner race hole diameter detection apparatus and detection method thereof, belong to bearing inner race detection technique field.
Background technology
Bearing is the important foundation parts of all kinds of mechanized equipment, comprises outer ring, inner ring and ball etc., and wherein, the degree of accuracy of the aperture size of bearing inner race, circularity and tapering directly affects precision and the performance of bearing.
At present, robotization hole diameter detection apparatus for detecting bearing inner race generally comprises base, and be arranged on feed mechanism on base, transfer mechanism, testing agency, discharge mechanism and control module etc., described testing agency adopts pneumatic gauging mostly, namely the change utilizing the gas sprayed from measuring element to produce afterwards before measuring, calculates the size in bearing inner race aperture.Above-mentioned pneumatic gauging requires very high to stable gas pressure, otherwise can cause larger error; In addition, require also very high to the cleanliness of bearing inner race, when having the pollutant such as greasy dirt, dust in the aperture of bearing inner race, all can change the value of feedback of air pressure, thus affect measuring accuracy.
In view of this, the present inventor studies this on the basis of existing technology, and develop a kind of detection method for bearing inner race Pore Diameter Detection mechanism specially, this case produces thus.
Summary of the invention
The object of this invention is to provide that a kind of measuring accuracy is high, good stability, once can detect the detection method of the bearing inner race Pore Diameter Detection mechanism of the internal diameter of bearing inner race, circularity and tapering simultaneously.
To achieve these goals, solution of the present invention is:
A kind of bearing inner race Pore Diameter Detection mechanism, comprise operator's console, Lift Part and detection part etc., wherein, detection part is fixedly mounted on below Lift Part, operator's console by signal wire respectively with Lift Part, detection part is connected, described detection part comprises X to detection part and Y-direction detection part, X includes a displacement transducer to detection part and Y-direction detection part, test aircraft, make dynamic air cylinder and measuring claw, measuring claw is arranged on below test aircraft, displacement transducer and be arranged in the middle of test aircraft as dynamic air cylinder, in test aircraft elastomer block, the opening and closing of control survey pawl are carried out by start cylinder action, the deformational displacement of test aircraft elastomer block measured in real time by displacement transducer.
The lifting motor that above-mentioned Lift Part comprises the guide rod be arranged on transfer mechanism station platform, is movably arranged on the lifting table on guide rod and is arranged on above lifting table, detection part is fixedly mounted on the below of lifting table, lifting motor is arranged on the top of guide rod by motor fixed station, lifting table is connected with motor by leading screw, lifting table, under the effect of lifting motor and leading screw, can slide up and down along guide rod.
Above-mentioned test aircraft comprises fixed frame and is vertically mounted on the elastomer block in the middle of fixed frame, makes the through hole level that dynamic air cylinder and displacement transducer be each passed through in fixed frame and elastomer block and is arranged in test aircraft.
Above-mentioned elastomer block is made up of two spring leafs and the block be positioned in the middle of spring leaf, two spring leaf one end are connected with fixed frame, and the other end is connected with block, and the piston rod making dynamic air cylinder contacts with block, be used for promoting elastomer block, thus the opening and closing of control survey pawl; The probe of displacement transducer also contacts with block, and detect the deformational displacement of elastomer block in real time, 2 ends of 2 spring leafs are equipped with DISCRETE ELASTIC SUPPORTS, the all parallel installation of spring leaf and block, when there is not deformation, 4 DISCRETE ELASTIC SUPPORTS form a rectangle, in deformation process, become parallelogram gradually.
Also be provided with a spring between block and fixed frame, the elasticity coefficient of this spring is less than or greater than the elasticity coefficient of above-mentioned spring leaf, shakes in measuring process for preventing measuring claw.
As preferably, displacement transducer and block contact position are provided with a contact chip, and contact chip hardness is high and smooth, can select glass sheet or piezoid.
As preferably, institute's displacement sensors is LVDT displacement transducer.
Described Y-direction and X are made up of to measuring claw 2 semi-cylindrical survey mass, one of them survey mass is fixedly mounted on the fixed frame of side frame, the lateral surface of its circular arc is provided with 2 salient points, another survey mass is fixedly mounted in the elastomer block of test aircraft, the lateral surface of its circular arc is provided with 1 salient point, and above-mentioned 3 salient points are isosceles triangle on columniform measuring claw.When elastic deformation does not occur elastomer block, leave spacing between two survey mass, be generally 0.5-3mm, for elastic deformation provides enough spaces.
Above-mentioned X also respectively comprises a cylinder fixed mount to detection part and Y-direction detection part, and described cylinder fixed mount is arranged on lifting table, for fixedly making dynamic air cylinder.
Aforesaid operations platform comprises touch-screen, button, warning lamp and data processing module, operator's console directly and bearing inner race hole diameter detection apparatus control module carry out communication, realize man-machine interaction by touch-screen and button, realize fault alarm by warning lamp; The input end of data processing module is connected with displacement transducer, and output terminal is connected with control module.
The detection method of above-mentioned bearing inner race Pore Diameter Detection mechanism, comprises the steps:
1) when measured bearing inner ring is moved into the station to be checked of testing agency, lifting table declines, detection part declines thereupon, now, start cylinder action is on the block of elastomer block, make spring leaf generation deformation, spacing between two survey mass reduces, after Y-direction measuring claw stretches into the aperture of measured bearing inner ring, the piston rod making dynamic air cylinder is retracted, first measure the Y-direction internal diameter in bearing inner race first cross section, then, lifting table declines again, Y-direction measuring claw measures the Y-direction internal diameter in bearing inner race second cross section again, the measurement data in above-mentioned two cross sections is sent to the data processing module of operator's console by LVDT displacement transducer, by measuring the Y-direction internal diameter on bearing inner race to be measured two different cross sections, data processing module can calculate the hole taper of bearing inner race to be measured,
2) after measured bearing inner ring completes Y-direction inner diameter measurement, bearing inner race is moved into X to measuring claw by the displacement sheet of transfer mechanism, X measures the internal diameter in measured bearing inner ring two cross sections again to measuring claw, then measurement data is sent to the data processing module of operator's console, data processing module according to above-mentioned Y-direction and X to data, calculate the internal diameter size of measured bearing inner ring, circularity and tapering, then result of calculation is sent to control module, measured bearing inner ring is divided into according to measurement result by control module: qualified bearing inner race, the partially especially big bearing inner race (namely scrapping greatly) in aperture, aperture bearing inner race bigger than normal (scrapping namely), the micro-bearing inner race bigger than normal in aperture (namely little scrap), aperture bearing inner race less than normal (i.e. reprocessed products), aperture bearing inner race less than normal can processing and utilization again.
Compared with prior art, detection method tool of the present invention has the following advantages:
1. adopt inductance type measurement, be not subject to the interference of external environment, the pore size of bearing inner race, circularity and tapering can be measured fast accurately;
2. 4 DISCRETE ELASTIC SUPPORTS in elastomer block can make measuring claw not affect its verticality when elastomer block deformation, and then ensure its measuring accuracy;
3. an elasticity coefficient and spring leaf inconsistent spring are set between block and fixed frame, can prevent measuring claw from shaking, ensure measuring accuracy.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the bearing inner race hole diameter detection apparatus perspective view of the present embodiment;
Fig. 2 is the bearing inner race Pore Diameter Detection mechanism front elevation of the present embodiment;
Fig. 3 is the bearing inner race Pore Diameter Detection mechanism perspective view of the present embodiment;
Fig. 4 is the bearing inner race Pore Diameter Detection mechanism test aircraft structural representation of the present embodiment;
label declaration:
Base 1; Feed mechanism 2; Transfer mechanism 3; Travelling belt 31; Displacement sheet 32;
Testing agency 4; Operator's console 41;
Y-direction inner diameter measurement parts 42; Y-direction measuring claw 421; Y-direction test aircraft fixed frame 422; Y-direction test aircraft elastomer block 423; Y-direction displacement transducer 424; Y-direction makes dynamic air cylinder 425; Cylinder fixed mount 426;
X is to internal diameter detection part 43; X is to measuring claw 431; X is to test aircraft fixed frame 432; X is to test aircraft elastomer block 433; X is to displacement transducer 434; X is to making dynamic air cylinder 435; Cylinder fixed mount 436; Spring 437; Block 438; Spring leaf 439; DISCRETE ELASTIC SUPPORTS 43a, 43b, 43c, 43d; Contact chip 43e;
Guide rod 44; Lifting table 45; Lifting motor 46; Motor fixed station 47; Leading screw 48;
Discharge mechanism 5; Bearing inner race 6 to be measured.
Embodiment
As shown in Figure 1, a kind of bearing inner race hole diameter detection apparatus, comprise base 1, and be arranged on feed mechanism 2 on base 1, transfer mechanism 3, testing agency 4 and discharge mechanism 5 etc., wherein, feed mechanism 2 is arranged on the side of transfer mechanism 3 travelling belt 31, testing agency 4 is arranged on transfer mechanism 3 and is shifted the side of sheet 32, discharge mechanism 5 is positioned at the below of displacement sheet 32, bearing inner race to be measured 6 on feed mechanism 2 is transported to testing agency 4 by travelling belt 31 and displacement sheet 32, moves into discharge mechanism 5 again after testing by displacement sheet 31; Described device comprises control module further, and control module is connected with discharge mechanism 5 with feed mechanism 2, transfer mechanism 3, testing agency 4 respectively by signal wire; Described testing agency 4 comprises operator's console 41, Lift Part and detection part etc.
As Figure 2-3, a kind of bearing inner race Pore Diameter Detection mechanism 4, its operator's console 41 is connected with detection part with Lift Part respectively by signal wire, above-mentioned Lift Part comprises the guide rod 44 be arranged on transfer mechanism station platform, the lifting motor 46 being movably arranged on the lifting table 45 on guide rod 44 and being arranged on above lifting table 45, detection part is fixedly mounted on the below of lifting table 45, lifting motor 46 is arranged on the top of guide rod 44 by motor fixed station 47, lifting table 45 is connected by leading screw 48 with motor 46, lifting table 45 is under the effect of lifting motor 46 and leading screw 48, can slide up and down along guide rod 44.
Described detection part comprises X to detection part 43 and Y-direction detection part 42, X to detection part 43 and Y-direction detection part 42 structure completely the same, its installation direction is different, the former installs along X-axis, the latter installs along Y-axis, both include a LVDT displacement transducer 434 and 424, test aircraft, make dynamic air cylinder 435 and 425, and measuring claw 431 and 421.Above-mentioned test aircraft comprises fixed frame 432 and 422 and is vertically mounted on the elastomer block 433 and 423 in the middle of fixed frame, make dynamic air cylinder 435 and 425, displacement transducer 434 and 424 is each passed through fixed frame 432 and 422, through hole level in elastomer block 433 and 423 is arranged in test aircraft, in the present embodiment, do the top that dynamic air cylinder 435 and 425 is positioned at LVDT displacement transducer 434 and 424, the LVDT displacement transducer that the present embodiment is selected is higher than common displacement transducer repeatable accuracy.
As shown in Figure 4, for X to detection part, above-mentioned elastomer block 433 is made up of two spring leafs 439 and the block 438 be positioned in the middle of spring leaf 439, two spring leaf 439 one end are connected with fixed frame 432, the other end is connected with block 438, the piston rod making dynamic air cylinder 435 contacts with block 438, is used for promoting elastomer block 433, thus the opening and closing of control survey pawl 431; The probe of displacement transducer 434 also contacts with block 438, the deformational displacement of real-time detection elastomer block 433,2 ends of 2 spring leafs 439 are equipped with DISCRETE ELASTIC SUPPORTS, spring leaf 439 installation all parallel with block 438, when there is not deformation, 4 DISCRETE ELASTIC SUPPORTS 43a ~ 43d form a rectangle, in deformation process, become parallelogram gradually.Whole elastomer block 433 can adopt spring steel material, but in actual production process, consider that spring steel cost is high, and processing is inconvenient, elastomer block 433 can adopt iron or other metals, and 4 the DISCRETE ELASTIC SUPPORTS 43a ~ 43d only on spring leaf adopts spring steel, both provide cost savings like this, be convenient to again hole in elastomer block, cut.Also be provided with a spring 437 between block 438 and fixed frame 432, the elasticity coefficient of this spring 437 is less than or greater than the elasticity coefficient of above-mentioned spring leaf 439, shakes in measuring process for preventing measuring claw.
Displacement transducer 434 and block 438 contact position are provided with a contact chip 43e, and contact chip 43e hardness is high and smooth, can select glass sheet or piezoid.Above-mentioned X also respectively comprises a cylinder fixed mount 436 and 426 to detection part 43 and Y-direction detection part 42, and described cylinder fixed mount 436 and 426 is in " L " type, and one end is fixed on lifting table 45, and the other end is used for fixedly making dynamic air cylinder 435 and 425.
Described Y-direction measuring claw 421 and X form to measuring claw 431 by 2 semi-cylindrical survey mass, one of them survey mass is fixedly mounted on the fixed frame 422 and 432 of side frame, the lateral surface of its circular arc is provided with 2 salient points, another survey mass is fixedly mounted in the elastomer block 423 and 433 of test aircraft, the lateral surface of its circular arc is provided with 1 salient point, and above-mentioned 3 salient points are isosceles triangle on columniform measuring claw.When elastic deformation does not occur elastomer block 423 and 433, leave spacing between two survey mass, be generally 0.5-3mm, for elastic deformation provides enough spaces.
Aforesaid operations platform comprises touch-screen, button, warning lamp and data processing module, operator's console directly and bearing inner race hole diameter detection apparatus control module carry out communication, realize man-machine interaction by touch-screen and button, realize fault alarm by warning lamp; The input end of data processing module is connected with 434 with LVDT displacement transducer 424, and output terminal is connected with control module.
The detection method of above-mentioned bearing inner race hole diameter detection apparatus testing agency, comprises the steps:
1) when measured bearing inner ring 6 is moved into the station to be checked of testing agency, lifting table 45 declines, X declines to detection part 43 and Y-direction detection part 42 thereupon, in the present embodiment, first carry out Y-direction measurement, now, making dynamic air cylinder 425 acts on the block of elastomer block 423, make spring leaf generation deformation, spacing between two survey mass reduces, after Y-direction measuring claw 421 stretches into the aperture of measured bearing inner ring 6, the piston rod making dynamic air cylinder 425 is retracted, first measure the Y-direction internal diameter in bearing inner race 6 first cross sections, then, lifting table 45 declines again, Y-direction measuring claw 421 measures the Y-direction internal diameter in bearing inner race 6 second cross sections again, the measurement data in above-mentioned two cross sections is sent to the data processing module of operator's console 41 by LVDT displacement transducer 424, by measuring the Y-direction internal diameter on bearing inner race to be measured two different cross sections, data processing module can calculate the hole taper of bearing inner race 6 to be measured,
2) after measured bearing inner ring 6 completes Y-direction inner diameter measurement, bearing inner race 6 is moved into X to measuring claw 431 by the displacement sheet 32 of transfer mechanism, X measures the internal diameter in Nei Liangge cross section, measured bearing inner ring 6 hole again to measuring claw 431, then measurement data is sent to the quantity processing module of operator's console 41, data processing module according to above-mentioned Y-direction and X to data, calculate the internal diameter size of measured bearing inner ring 6, circularity and tapering, then result of calculation is sent to control module, measured bearing inner ring 6 is divided into according to measurement result by control module: qualified bearing inner race, the partially especially big bearing inner race (namely scrapping greatly) in aperture, aperture bearing inner race bigger than normal (scrapping namely), the micro-bearing inner race bigger than normal in aperture (namely little scrap), aperture bearing inner race less than normal (i.e. reprocessed products), aperture bearing inner race less than normal can processing and utilization again.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (1)
1. a detection method for bearing inner race Pore Diameter Detection mechanism, is characterized in that comprising the steps:
1) when measured bearing inner ring is moved into the station to be checked of testing agency, lifting table declines, detection part declines thereupon, now, start cylinder action is on the block of elastomer block, make spring leaf generation deformation, spacing between two survey mass reduces, after Y-direction measuring claw stretches into the aperture of measured bearing inner ring, the piston rod making dynamic air cylinder is retracted, first measure the Y-direction internal diameter in bearing inner race first cross section, then, lifting table declines again, Y-direction measuring claw measures the Y-direction internal diameter in bearing inner race second cross section again, the measurement data in above-mentioned two cross sections is sent to the data processing module of operator's console by LVDT displacement transducer, by measuring the Y-direction internal diameter on bearing inner race to be measured two different cross sections, data processing module can calculate the hole taper of bearing inner race to be measured,
2) after measured bearing inner ring completes Y-direction inner diameter measurement, bearing inner race is moved into X to measuring claw by the displacement sheet of transfer mechanism, X measures the internal diameter in measured bearing inner ring two cross sections again to measuring claw, then measurement data is sent to the data processing module of operator's console, data processing module according to above-mentioned Y-direction and X to data, calculate the internal diameter size of measured bearing inner ring, circularity and tapering, then result of calculation is sent to control module, measured bearing inner ring is divided into according to measurement result by control module: qualified bearing inner race, the partially especially big bearing inner race in aperture, aperture bearing inner race bigger than normal, the micro-bearing inner race bigger than normal in aperture is little, aperture bearing inner race less than normal, aperture bearing inner race less than normal can processing and utilization again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510147979.XA CN104748663B (en) | 2013-04-09 | 2013-04-09 | A kind of detection method of bearing inner race Pore Diameter Detection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310121326.5A CN103225999B (en) | 2013-04-09 | 2013-04-09 | A kind of bearing inner race Pore Diameter Detection mechanism and detection method thereof |
| CN201510147979.XA CN104748663B (en) | 2013-04-09 | 2013-04-09 | A kind of detection method of bearing inner race Pore Diameter Detection mechanism |
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| CN201310121326.5A Division CN103225999B (en) | 2013-04-09 | 2013-04-09 | A kind of bearing inner race Pore Diameter Detection mechanism and detection method thereof |
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| CN104748663A true CN104748663A (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955483A (en) * | 2018-08-27 | 2018-12-07 | 吉林省迪泰尔精密机械有限责任公司 | Finishing of internal diameter diameter measurement machine |
| CN113048926A (en) * | 2021-03-24 | 2021-06-29 | 新昌浙江工业大学科学技术研究院 | Multi-parameter automatic detection device and method for outer ring of bearing |
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| CN104748663B (en) * | 2013-04-09 | 2017-08-25 | 绍兴中轴自动化设备有限公司 | A kind of detection method of bearing inner race Pore Diameter Detection mechanism |
| CN103591920B (en) * | 2013-10-23 | 2016-04-06 | 苏州紫金港智能制造装备有限公司 | A kind of Plate-shaped parts inner diameter measurement platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104748663B (en) | 2017-08-25 |
| CN103225999B (en) | 2015-07-29 |
| CN103225999A (en) | 2013-07-31 |
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