CN203216448U - Bearing inner race aperture detection mechanism - Google Patents
Bearing inner race aperture detection mechanism Download PDFInfo
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- CN203216448U CN203216448U CN 201320174534 CN201320174534U CN203216448U CN 203216448 U CN203216448 U CN 203216448U CN 201320174534 CN201320174534 CN 201320174534 CN 201320174534 U CN201320174534 U CN 201320174534U CN 203216448 U CN203216448 U CN 203216448U
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- bearing inner
- inner race
- frame
- detection part
- block
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a bearing inner race aperture detection mechanism, belonging to the technical field of bearing inner race detection. The mechanism comprises an operating desk, an elevating part, detecting parts, etc., wherein the detecting parts are fixedly mounted below the elevating part; the operating desk is respectively connected with the elevating part and the detecting parts through signal lines; and the detecting parts comprise an X-direction detecting part and a Y-direction detecting part. Each of the X-direction detecting part and the Y-direction detecting part comprises a displacement sensor, a testing rack, an actuation cylinder, and a measurement claw, wherein the measurement claw is mounted below the testing rack; the displacement sensor and the actuation cylinder are mounted in the middle of the testing rack; the actuation cylinder acts on an elastic block of the testing rack so as to control the opening and closing of the measurement claw; and the displacement sensor measures the deformation and displacement of the elastic bock of the testing rack in real time. The bearing inner race aperture detection mechanism employs an inductance-type measurement and is not easy to be interfered by external environments; and the bearing inner race aperture detection mechanism is capable of rapidly and accurately measuring the size, circularity, and conicity of the aperture of a bearing inner race.
Description
Technical field
The utility model relates to a kind of testing agency for the bearing inner race hole diameter detection apparatus, belongs to bearing inner race detection technique field.
Background technology
Bearing is the important foundation parts of all kinds of mechanized equipments, 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 detection of bearing inner race generally comprises base, and be installed in feed mechanism, transfer mechanism, testing agency, discharge mechanism and control module etc. on the base, described testing agency adopts pneumatic gauging mostly, the variation that namely utilizes the gas that sprays from measuring element to produce before and after measuring calculates the size in bearing inner race aperture.Above-mentioned pneumatic gauging is very high to the stable gas pressure requirement, otherwise can cause bigger error; In addition, the cleanliness of bearing inner race are required also very high, when pollutant such as greasy dirt, dust is arranged in the aperture of bearing inner race, all can change the value of feedback of air pressure, thereby influence measuring accuracy.
In view of this, the inventor studies this on the basis of existing technology, develops a kind of testing agency for the bearing inner race hole diameter detection apparatus specially, and this case produces thus.
The utility model content
The purpose of this utility model provides a kind of measuring accuracy height, good stability, can once detect the bearing inner race aperture testing agency of internal diameter, circularity and the tapering of bearing inner race simultaneously.
To achieve these goals, solution of the present utility model is:
A kind of bearing inner race aperture testing agency, comprise operator's console, Lift Part and detection part etc., wherein, detection part is fixedly mounted on the Lift Part below, operator's console by signal wire respectively with Lift Part, detection part links to each other, described detection part comprises X-direction detection part and Y-direction detection part, X-direction detection part and Y-direction detection part include a displacement transducer, survey frame, make dynamic air cylinder and measuring claw, measuring claw is installed in surveys the frame below, displacement transducer and be installed in as dynamic air cylinder is surveyed in the middle of the frame, come the opening and closing of control survey pawl by the start cylinder action surveying the frame elastomer block, displacement transducer is measured the deformational displacement of frame elastomer block in real time.
Above-mentioned Lift Part comprises the guide rod that is installed on the transfer mechanism station platform, the lifting motor that is movably arranged on the lifting table on the guide rod and is installed in the lifting table top, detection part is fixedly mounted on the below of lifting table, lifting motor is installed in the top of guide rod by the motor fixed station, lifting table links to each other with motor by leading screw, lifting table can slide up and down along guide rod under the effect of lifting motor and leading screw.
Above-mentioned survey frame comprises fixed frame and is vertically mounted on elastomer block in the middle of the fixed frame, and dynamic air cylinder and displacement transducer the through hole level on fixed frame and the elastomer block of passing respectively of doing is installed in to be surveyed on the frame.
Above-mentioned elastomer block is made up of two spring leafs block middle with being positioned at spring leaf, two spring leaf one ends are connected with fixed frame, and the other end is connected with block, and the piston rod of 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, detects the deformational displacement of elastomer block in real time, and 2 ends of 2 spring leafs are equipped with DISCRETE ELASTIC SUPPORTS, spring leaf and all parallel installations of block, when deformation did not take place, 4 DISCRETE ELASTIC SUPPORTS were formed a rectangle, became parallelogram in deformation process gradually.
Also be provided with a spring between block and the fixed frame, the elasticity coefficient of this spring less than or greater than the elasticity coefficient of above-mentioned spring leaf, be used for preventing that measuring claw from shaking in measuring process.
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, described displacement transducer is the LVDT displacement transducer.
Described Y-direction and X-direction measuring claw are made up of 2 semi-cylindrical measurement pieces, one of them is measured piece and is fixedly mounted on the fixed frame of surveying frame, the lateral surface of its circular arc is provided with 2 salient points, another is measured piece and is fixedly mounted on the elastomer block of surveying frame, the lateral surface of its circular arc is provided with 1 salient point, and above-mentioned 3 salient points are isosceles triangle at columniform measuring claw.When elastomer block elastic deformation does not take place, measure between the piece for two and leave spacing, be generally 0.5-3mm, for elastic deformation provides enough spaces.
Above-mentioned X-direction detection part and Y-direction detection part also respectively comprise a cylinder fixed mount, and described cylinder fixed mount is installed on the lifting table, are used for fixedly doing dynamic air cylinder.
The aforesaid operations platform comprises touch-screen, button, warning lamp and data processing module, and operator's console directly carries out communication with bearing inner race hole diameter detection apparatus control module, realizes man-machine interaction by touch-screen and button, by warning lamp realization fault alarm; The input end of data processing module links to each other with displacement transducer, and output terminal links to each other with control module.
The detection method of above-mentioned bearing inner race aperture testing agency comprises the steps:
1) when the measured bearing inner ring is moved into the station to be checked of testing agency, lifting table descends, detection part descends thereupon, at this moment, the start cylinder action is on the block of elastomer block, make spring leaf generation deformation, two spacings of measuring between the piece are dwindled, after the Y-direction measuring claw stretches into the aperture of measured bearing inner ring, do the piston rod withdrawal of dynamic air cylinder, measure the Y-direction internal diameter in first cross section of bearing inner race earlier, then, lifting table descends again, the Y-direction measuring claw is measured the Y-direction internal diameter in second cross section of bearing inner race again, the LVDT displacement transducer sends to the data processing module of operator's console with the measurement data in above-mentioned two cross sections, and by measuring the Y-direction internal diameter on two different cross sections of bearing inner race to be measured, data processing module can calculate the hole taper of bearing inner race to be measured;
2) after the measured bearing inner ring is finished the detection of Y-direction internal diameter, the displacement sheet of transfer mechanism moves into the X-direction measuring claw with bearing inner race, the X-direction measuring claw is measured the internal diameter in two cross sections of measured bearing inner ring again, then measurement data is sent to the data processing module of operator's console, data processing module is according to the data of above-mentioned Y-direction and X-direction, calculate the internal diameter size of measured bearing inner ring, circularity and tapering, then result of calculation is sent to control module, control module is divided into the measured bearing inner ring according to measurement result: qualified bearing inner race, the especially big partially bearing inner race in aperture (namely scrapping greatly), aperture bearing inner race bigger than normal (scrapping namely), the little bearing inner race bigger than normal in aperture (namely for a short time scrapping), aperture bearing inner race less than normal (being reprocessed products), aperture bearing inner race less than normal is processing and utilization again.
Compared with prior art, testing agency described in the utility model has following advantage:
1. employing inductance type measurement is not subject to the interference of external environment, can measure pore size, circularity and the tapering of bearing inner race fast accurately;
2. 4 DISCRETE ELASTIC SUPPORTS on the elastomer block can make measuring claw not influence its verticality when elastomer block deformation, and then guarantee its measuring accuracy;
3. an elasticity coefficient and the inconsistent spring of spring leaf are set between block and the fixed frame, can prevent the measuring claw shake, guarantee measuring accuracy.
Below in conjunction with drawings and the specific embodiments the utility model is done and to be described in further detail.
Description of drawings
Fig. 1 is the bearing inner race hole diameter detection apparatus perspective view of present embodiment;
Fig. 2 is the bearing inner race aperture testing agency front elevation of present embodiment;
Fig. 3 is the bearing inner race aperture testing agency perspective view of present embodiment;
Fig. 4 is that the bearing inner race aperture testing agency of present embodiment surveys the shelf structure synoptic diagram.
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 internal diameter detection part 42; Y-direction measuring claw 421; Y-direction is surveyed frame fixed frame 422; Y-direction is surveyed frame elastomer block 423; Y-direction displacement transducer 424; Y-direction is made dynamic air cylinder 425; Cylinder fixed mount 426;
X-direction internal diameter detection part 43; X-direction measuring claw 431; X-direction is surveyed frame fixed frame 432; X-direction is surveyed frame elastomer block 433; X-direction displacement transducer 434; X-direction is made 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;
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 installed in feed mechanism 2, transfer mechanism 3, testing agency 4 and discharge mechanism 5 etc. on the base 1, wherein, feed mechanism 2 is installed in the side of transfer mechanism 3 travelling belts 31, testing agency 4 is installed in the side of transfer mechanism 3 displacement sheets 32, discharge mechanism 5 is positioned at the below of displacement sheet 32, bearing inner race to be measured 6 on the feed mechanism 2 is transported to testing agency 4 by travelling belt 31 and displacement sheet 32, moves into discharge mechanisms 5 by displacement sheet 31 again after after testing; Described device further comprises control module, and control module links to each other with feed mechanism 2, transfer mechanism 3, testing agency 4 and discharge mechanism 5 respectively by signal wire; Described testing agency 4 comprises operator's console 41, Lift Part and detection part etc.
Shown in Fig. 2-3, a kind of bearing inner race aperture testing agency 4, its operator's console 41 links to each other with detection part with Lift Part respectively by signal wire, above-mentioned Lift Part comprises the guide rod 44 that is installed on the transfer mechanism station platform, the lifting motor 46 that is movably arranged on the lifting table 45 on the guide rod 44 and is installed in lifting table 45 tops, detection part is fixedly mounted on the below of lifting table 45, lifting motor 46 is installed in the top of guide rod 44 by motor fixed station 47, lifting table 45 links to each other by leading screw 48 with motor 46, lifting table 45 can slide up and down along guide rod 44 under the effect of lifting motor 46 and leading screw 48.
Described detection part comprises X-direction detection part 43 and Y-direction detection part 42, X-direction detection part 43 and Y-direction detection part 42 structures are in full accord, its installation direction difference, the former installs along X-axis, the latter installs along Y-axis, both include a LVDT displacement transducer 434 and 424, and survey frame, do dynamic air cylinder 435 and 425, and measuring claw 431 and 421.Above-mentioned survey frame comprises fixed frame 432 and 422 and be vertically mounted on elastomer block 433 and 423 in the middle of the fixed frame, dynamic air cylinder 435 and 425, displacement transducer 434 and 424 the through hole level on fixed frame 432 and 422, the elastomer block 433 and 423 of passing respectively of doing is installed in to be surveyed on the frame, 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 present embodiment is selected for use is than common displacement transducer repeatable accuracy height.
As shown in Figure 4, be example with the X-direction detection part, above-mentioned elastomer block 433 is made up of two spring leafs 439 and the blocks 438 that are positioned at spring leaf 439 centres, two spring leaf 439 1 ends are connected with fixed frame 432, the other end is connected with block 438, the piston rod of 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, detect the deformational displacement of elastomer block 433 in real time, 2 ends of 2 spring leafs 439 are equipped with DISCRETE ELASTIC SUPPORTS, spring leaf 439 and all parallel installations of block 438, when deformation does not take place, 4 DISCRETE ELASTIC SUPPORTS 43a ~ 43d form a rectangle, become parallelogram in deformation process gradually.Whole elastomer block 433 can adopt spring steel material, but in actual production process, consider spring steel cost height, and processing is inconvenient, elastomer block 433 can adopt iron or other metals, and only 4 DISCRETE ELASTIC SUPPORTS 43a ~ 43d on spring leaf adopt spring steel, both provide cost savings like this, are convenient to again in elastomer block boring, cutting.Also be provided with a spring 437 between block 438 and the fixed frame 432, the elasticity coefficient of this spring 437 less than or greater than the elasticity coefficient of above-mentioned spring leaf 439, be used for preventing that measuring claw from shaking in measuring process.
Described Y-direction measuring claw 421 and X-direction measuring claw 431 are formed by 2 semi-cylindrical measurement pieces, one of them is measured piece and is fixedly mounted on the fixed frame 422 and 432 of surveying frame, the lateral surface of its circular arc is provided with 2 salient points, another is measured piece and is fixedly mounted on the elastomer block 423 and 433 of surveying frame, the lateral surface of its circular arc is provided with 1 salient point, and above-mentioned 3 salient points are isosceles triangle at columniform measuring claw.When elastomer block 423 and 433 elastic deformation does not take place, measure between the piece for two and leave spacing, be generally 0.5-3mm, for elastic deformation provides enough spaces.
The aforesaid operations platform comprises touch-screen, button, warning lamp and data processing module, and operator's console directly carries out communication with bearing inner race hole diameter detection apparatus control module, realizes man-machine interaction by touch-screen and button, by warning lamp realization fault alarm; The input end of data processing module links to each other with 434 with LVDT displacement transducer 424, and output terminal links to each other 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 descends, X-direction detection part 43 and Y-direction detection part 42 descend thereupon, in the present embodiment, carrying out Y-direction earlier measures, at this moment, do on the block that dynamic air cylinder 425 acts on elastomer block 423, make spring leaf generation deformation, two spacings of measuring between the piece are dwindled, after Y-direction measuring claw 421 stretches into the aperture of measured bearing inner ring 6, do the piston rod withdrawal of dynamic air cylinder 425, measure the Y-direction internal diameter in bearing inner race 6 first cross sections earlier, then, lifting table 45 descends again, Y-direction measuring claw 421 is measured the Y-direction internal diameter in 6 second cross sections of bearing inner race again, LVDT displacement transducer 424 sends to the data processing module of operator's console 41 with the measurement data in above-mentioned two cross sections, and by measuring the Y-direction internal diameter on two different cross sections of bearing inner race to be measured, data processing module can calculate the hole taper of bearing inner race 6 to be measured;
2) after measured bearing inner ring 6 is finished the detection of Y-direction internal diameter, the displacement sheet 32 of transfer mechanism moves into X-direction measuring claw 431 with bearing inner race 6, X-direction measuring claw 431 is measured the internal diameter in two cross sections in measured bearing inner ring 6 holes again, then measurement data is sent to the quantity processing module of operator's console 41, data processing module is according to the data of above-mentioned Y-direction and X-direction, calculate the internal diameter size of measured bearing inner ring 6, circularity and tapering, then result of calculation is sent to control module, control module is divided into measured bearing inner ring 6 according to measurement result: qualified bearing inner race, the especially big partially bearing inner race in aperture (namely scrapping greatly), aperture bearing inner race bigger than normal (scrapping namely), the little bearing inner race bigger than normal in aperture (namely for a short time scrapping), aperture bearing inner race less than normal (being reprocessed products), aperture bearing inner race less than normal is processing and utilization again.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (9)
1. bearing inner race aperture testing agency, it is characterized in that: comprise operator's console, Lift Part and detection part, wherein, detection part is fixedly mounted on the Lift Part below, operator's console by signal wire respectively with Lift Part, detection part links to each other, described detection part comprises X-direction detection part and Y-direction detection part, X-direction detection part and Y-direction detection part include a displacement transducer, survey frame, make dynamic air cylinder and measuring claw, measuring claw is installed in surveys the frame below, displacement transducer and be installed in as dynamic air cylinder is surveyed in the middle of the frame, come the opening and closing of control survey pawl by the start cylinder action surveying the frame elastomer block, displacement transducer is measured the deformational displacement of frame elastomer block in real time.
2. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: above-mentioned Lift Part comprises the guide rod that is installed on the transfer mechanism station platform, the lifting motor that is movably arranged on the lifting table on the guide rod and is installed in the lifting table top, detection part is fixedly mounted on the below of lifting table, lifting motor is installed in the top of guide rod by the motor fixed station, lifting table links to each other with motor by leading screw, lifting table can slide up and down along guide rod under the effect of lifting motor and leading screw.
3. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: above-mentioned survey frame comprises fixed frame and is vertically mounted on elastomer block in the middle of the fixed frame, and dynamic air cylinder and displacement transducer the through hole level on fixed frame and the elastomer block of passing respectively of doing is installed in to be surveyed on the frame.
4. a kind of bearing inner race as claimed in claim 3 aperture testing agency, it is characterized in that: above-mentioned elastomer block is made up of two spring leafs block middle with being positioned at spring leaf, two spring leaf one ends are connected with fixed frame, the other end is connected with block, the piston rod of 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, detects the deformational displacement of elastomer block in real time, and displacement transducer and block contact position are provided with the high and smooth contact chip of a hardness, and 2 ends of 2 spring leafs are equipped with DISCRETE ELASTIC SUPPORTS, spring leaf and all parallel installations of block.
5. a kind of bearing inner race as claimed in claim 4 aperture testing agency is characterized in that: also be provided with a spring between block and the fixed frame, the elasticity coefficient of this spring less than or greater than the elasticity coefficient of above-mentioned spring leaf.
6. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: described displacement transducer is the LVDT displacement transducer.
7. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: described Y-direction and X-direction measuring claw are made up of 2 semi-cylindrical measurement pieces, one of them is measured piece and is fixedly mounted on the fixed frame of surveying frame, the lateral surface of its circular arc is provided with 2 salient points, another is measured piece and is fixedly mounted on the elastomer block of surveying frame, the lateral surface of its circular arc is provided with 1 salient point, and above-mentioned 3 salient points are isosceles triangle at columniform measuring claw.
8. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: above-mentioned X-direction detection part and Y-direction detection part also respectively comprise a cylinder fixed mount, described cylinder fixed mount is installed on the lifting table, is used for fixedly doing dynamic air cylinder.
9. a kind of bearing inner race as claimed in claim 1 aperture testing agency, it is characterized in that: the 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 links to each other with displacement transducer, and output terminal links to each other with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174534 CN203216448U (en) | 2013-04-09 | 2013-04-09 | Bearing inner race aperture detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174534 CN203216448U (en) | 2013-04-09 | 2013-04-09 | Bearing inner race aperture detection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203216448U true CN203216448U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320174534 Expired - Lifetime CN203216448U (en) | 2013-04-09 | 2013-04-09 | Bearing inner race aperture detection mechanism |
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| CN (1) | CN203216448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225999A (en) * | 2013-04-09 | 2013-07-31 | 绍兴中轴自动化设备有限公司 | Bearing inner ring diameter detection mechanism and detection method thereof |
-
2013
- 2013-04-09 CN CN 201320174534 patent/CN203216448U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225999A (en) * | 2013-04-09 | 2013-07-31 | 绍兴中轴自动化设备有限公司 | Bearing inner ring diameter detection mechanism and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |