CN104713468A - Detecting method of bearing inner ring hole diameter detecting device - Google Patents
Detecting method of bearing inner ring hole diameter detecting device Download PDFInfo
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- CN104713468A CN104713468A CN201510097782.XA CN201510097782A CN104713468A CN 104713468 A CN104713468 A CN 104713468A CN 201510097782 A CN201510097782 A CN 201510097782A CN 104713468 A CN104713468 A CN 104713468A
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Abstract
The invention discloses a detecting method of a bearing inner ring hole diameter detecting device, and belongs to the technical field of bearing inner ring detecting. Firstly, bearing inner rings to be detected are moved to a conveying belt through a feeding mechanism, secondly, the bearing inner rings are moved to a station to be detected on a station table through displacement sheets, thirdly, the inner diameter, the roundness and taper of the detected bearing inner rings are obtained through calculation of a detecting mechanism and a control unit, and finally, the displacement sheets move the detected bearing inner rings to the parts in front of corresponding material pushing blocks according to the instruction of the control unit, the material pushing blocks move the bearing inner rings to corresponding material grooves under the action of an air cylinder, and the bearing inner rings are automatically detected, classified and arranged.
Description
The present invention is the applying date is on April 9th, 2013, and application number is 201310121094.3, and denomination of invention is the divisional application of " a kind of bearing inner race hole diameter detection apparatus and detection method thereof ".
Technical field
The present invention relates to a kind of detection method of bearing inner race hole diameter detection apparatus, 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.
The bearing inner race Pore Diameter Detection of current China also rests on the level of manual inspection substantially, and detection efficiency is low, stability is not high is the maximum disadvantage of current existence.Publication number is that " automatic bearing inside diameter detector " of 102139268A is although disclose a kind of automatic bearing inside diameter pick-up unit, but its bearing inner race to be measured is in testing process, need first to rely on feeding cylinder to be pushed to by bearing inner race to be measured on first station of station platform, and then rely on station propelling movement cylinder and station clamping cylinder to be pushed to second station successively, 3rd station detects, whole propelling movement process at least needs dependence 3 cylinders to operate, cause pick-up unit failure rate high, system stability is poor, multiple cylinder is adopted both to add the complicacy of detector, turn increase cost.And, bearing inner race just to divide according to Testing index by above-mentioned automatic bearing inside diameter detector simply elects certified products, scrap and reprocessed products as, and only arrange certified products, scrap and reprocessed products do not arrange, the raceway groove of bearing inner race is easily damaged.
In addition, the testing agency that current automatic bearing aperture detects adopts pneumatic gauging, the change namely utilizing the gas sprayed from measuring element to produce afterwards before measuring mostly, calculates the size in bearing inner race aperture.Above-mentioned pneumatic gauging requires very high to stable gas pressure, otherwise can cause larger error; And, require also very high to the cleanliness of bearing inner race, when having the pollutant such as greasy dirt, dust in the through hole 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 " bearing inner ring interior diameter automatic detecting instrument ", and develop a kind of detection method of bearing inner race hole diameter detection apparatus specially, this case produces thus.
Summary of the invention
The object of this invention is to provide that a kind of stability is high, measuring accuracy is high, failure rate is low, once can detect the internal diameter of bearing inner race, circularity and tapering simultaneously, and the detection method of bearing inner race hole diameter detection apparatus that can the bearing inner race after detecting automatically is classified, be arranged.
To achieve these goals, solution of the present invention is:
A kind of bearing inner race hole diameter detection apparatus, comprise base, and be arranged on feed mechanism on base, transfer mechanism, testing agency and discharge mechanism etc., wherein, feed mechanism is arranged on the side of transfer mechanism travelling belt, and testing agency is arranged on the side of transfer mechanism displacement sheet, and discharge mechanism is positioned at the below of displacement sheet, bearing inner race to be measured on feed mechanism is transported to testing agency by travelling belt and displacement sheet, moves into discharge mechanism again after testing by displacement sheet; Above-mentioned displacement sheet pushes by the station that is attached thereto clamping cylinder and station that the piston rod of cylinder is flexible to be shifted; Described device comprises control module further, and control module is connected with discharge mechanism with feed mechanism, transfer mechanism, testing agency respectively by signal wire.
Described feed mechanism comprises bin, sub-material push pedal, sub-material cylinder and is vertically mounted on several material bars etc. on bin, and wherein, sub-material cylinder is fixedly mounted on the bottom of bin by nut, is connected by solenoid valve with control module simultaneously; Sub-material push pedal is arranged on the base plate of bin, and is connected with the piston rod of sub-material cylinder, and the lower end of bin is fixedly mounted on the side of travelling belt, is positioned at the top of travelling belt, and the base plate of bin is connected with travelling belt.
Transfer mechanism comprises travelling belt, displacement sheet, charging detector switch, lack material detector switch, station platform, and and travelling belt, the joining drive disk assembly of displacement sheet etc., wherein, described drive disk assembly comprises a station clamping cylinder, a station pushes cylinder, and with the supporting solenoid valve that is connected of above-mentioned cylinder and link, the piston rod of station clamping cylinder is connected with displacement sheet, the piston rod of station propelling movement cylinder clamps cylinder by link and station and is connected, drive disk assembly also comprises the motor being arranged on travelling belt end, the end of travelling belt is equipped with engaging tooth wheels, engaging tooth wheels are connected with motor, by motor and the incompatible drive travelling belt of meshing gear assembly, charging detector switch, scarce material detector switch are connected with control module respectively with drive disk assembly, station platform is fixedly mounted on base, displacement sheet is movably arranged on above station platform, be positioned at the end of travelling belt, displacement sheet and travelling belt at right angle setting, in " L " type, charging detector switch and scarce material detector switch are arranged on the end of travelling belt successively, and described charging detector switch is approach switch sensor with lacking material detector switch, displacement sheet is provided with several displacement grooves, can be shifted by several bearing inner race simultaneously, the end of travelling belt is also provided with baffle plate, for stopping bearing inner race to be measured, prevents it from falling into ground.
Described testing agency comprises 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 into 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.
Described discharge mechanism comprises several and is arranged on expeller on station platform, and each expeller is connected to the piston rod of a cylinder, and be all provided with corresponding hopper below expeller, expeller cylinder is connected with control module by solenoid valve; Described hopper is V-type, comprise the partially especially big groove in certified products groove, aperture, aperture groove bigger than normal, the micro-groove bigger than normal in aperture, aperture groove less than normal, be arranged side by side on base, before bearing inner race after detection is moved to corresponding expeller by displacement sheet, then move into corresponding hopper by the expeller of correspondence, realize classifying to the detection of bearing inner race.Because the bearing inner race after detecting all arranges in an orderly manner in the hopper of correspondence, effectively protect the raceway groove of bearing inner race.
Described control module is PLC module, and PLC module is key control unit, and its interface mainly comprises special purpose interface, input interface and output interface, and special purpose interface refers to the interfaces such as serial ports, is directly connected carries out communication with operator's console touch-screen; Input interface and button, charging detector switch and lack and expect that detector switch etc. is connected, input use as signal; Output interface is connected with solenoid valve, by driving the action of solenoid valve, thus the stretching out and retraction of control cylinder piston rod.PLC stable performance, anti-external interference ability is stronger, and interface is complete, very easy to use, is applicable to very much Industry Control occasion and uses.
As preferably, above-mentioned bearing inner race hole diameter detection apparatus base is provided with the feed mechanism of two cover symmetries, transfer mechanism, testing agency and discharge mechanism, and wherein, described two cover transfer mechanisms share station and push cylinder and link.Namely above-mentioned being symmetrical arranged can save parts thereof, can accelerate detection speed again.
The detection method of above-mentioned bearing inner race hole diameter detection apparatus, comprises the steps:
1) first bearing inner race to be measured is placed on material bar, bearing inner race falls on the base plate of bin lower end under gravity automatically, then sub-material push pedal is under the effect of cylinder, bearing inner race is pushed travelling belt, then sub-material push pedal is retracted into initial position, and after next group bearing inner race falls into base plate, control module sends instruction, cylinder acts on sub-material push pedal again, and bearing inner race to be measured is moved into travelling belt;
2) bearing inner race to be measured moves along with travelling belt, first through charging detector switch, then through lacking material detector switch, finally under the effect of baffle plate, stops at travelling belt end, then push the effect of cylinder at station under, displacement sheet shifts to travelling belt end, the notch of its first displacement groove aims at bearing inner race to be measured, then the piston rod of station clamping cylinder stretches out, displacement sheet is made to shift to bearing inner race, after bearing inner race enters displacement groove completely, the piston rod that station pushes cylinder is retracted, make displacement sheet mobile to travelling belt in the other direction, bearing inner race is moved into the station to be checked on station platform, then the piston rod of station clamping cylinder is retracted, displacement sheet is retreated, now, bearing inner race to be measured shifts out displacement groove, displacement sheet returns to initial position, according to the detection speed of control module setting, displacement sheet repeats above-mentioned action, mobile second bearing inner race to be measured, bearing inner race to be measured is on a moving belt in course of conveying, when the position that charging detector switch is corresponding does not detect bearing inner race, signal is sent to control module by charging detector switch, and control module starts feed mechanism cylinder, and bearing inner race to be measured is moved into travelling belt, when the position that scarce material detector switch is corresponding does not detect bearing inner race, lack material detector switch and signal is sent to control module, control module sends instruction, make this side testing agency stop detecting, now, this material loading cylinder lacking material detector switch corresponding still normally works, bearing inner race to be measured is sent into travelling belt, in time lacking material detector switch and bearing inner race detected, testing agency recovers normal, again starts, and simultaneously, the testing agency of opposite side does not lack material by this side to be affected, and can independently normally detect,
3) 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, 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, control module is divided into according to the measurement result of measured bearing inner ring: 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,
4) be shifted sheet according to the instruction of control module, before the bearing inner race after detection is transplanted on corresponding expeller, then expeller is under the effect of cylinder, and bearing inner race is moved into corresponding hopper.
Compared with prior art, the detection method tool of above-mentioned bearing inner race hole diameter detection apparatus has the following advantages:
1. adopt displacement sheet and the station propelling movement cylinder be connected with it, station clamping cylinder, both can omit original feeding cylinder, and station propelling movement cylinder can be shared, the minimizing of cylinder and accessory thereof, can system stability be increased substantially, reduce failure rate, save cost; And displacement sheet once moves multiple bearing inner race, increases work efficiency simultaneously;
2. in testing process, the present invention not only the scrap of bearing inner race inner ring is divided elect as scrap greatly, in scrap and littlely to scrap, and to certified products, scrap greatly, in scrap, littlely to scrap and reprocessed products all arrange, effectively protect bearing inner race bear inner ring grooved railway;
3. testing agency adopts inductance type measurement, is not subject to the interference of external environment, can measures the pore size of bearing inner race, circularity and tapering fast accurately;
4. 4 DISCRETE ELASTIC SUPPORTS in testing agency's elastomer block can make measuring claw not affect its verticality when elastomer block deformation, and then ensure its measuring accuracy; In addition, 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 hole diameter detection apparatus vertical view of the present embodiment;
Fig. 3 is the feed mechanism perspective view of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 4 is the transfer mechanism perspective view of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 5 is the transfer mechanism vertical view of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 6 is testing agency's front elevation of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 7 is testing agency's perspective view of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 8 is testing agency's test aircraft structural representation of the bearing inner race hole diameter detection apparatus of the present embodiment;
Fig. 9 is the discharge mechanism perspective view of the bearing inner race hole diameter detection apparatus of the present embodiment.
label declaration:
Base 1;
Feed mechanism 2; Bin 21; Sub-material push pedal 22; Sub-material cylinder 23; Material bar 24; Base plate 25;
Transfer mechanism 3; Travelling belt 31; Transfer sheet 32; Displacement groove 321; Charging detector switch 33; Lack material detector switch 34; Motor 35; Baffle plate 36; Station platform 37; Station pushes cylinder 38; Station clamping cylinder 39;
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; Expeller 51; Hopper 52; Pusher cylinder 53;
Bearing inner race 6 to be measured.
Embodiment
As shown in Figure 1-2, a kind of bearing inner race hole diameter detection apparatus, comprise base 1, and the symmetrical feed mechanism 2 of 2 cover be arranged on base 1, transfer mechanism 3, testing agency 4 and discharge mechanism 5, wherein, 2 transfer mechanisms 3 are arranged on base 1 side by side, 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, discharge mechanism 5 is moved into by displacement sheet 31 again after testing, described device comprises control module further, control module is connected with discharge mechanism 5 with feed mechanism 2, transfer mechanism 3, testing agency 4 respectively by signal wire, control module can be arranged in base 1, or other places that can place, only otherwise affect its communication.In the present embodiment, above-mentioned bearing inner race hole diameter detection apparatus base is provided with the feed mechanism 2 of two cover symmetries, transfer mechanism 3, testing agency 4 and discharge mechanism 5, and the testing agency 4 on both sides can be made to work simultaneously, accelerates detection speed.
As shown in Figure 3, described feed mechanism 2 comprises bin 21, sub-material push pedal 22, sub-material cylinder 23 and is vertically mounted on several material bars 24 etc. on bin 21, wherein, sub-material cylinder 23 is fixedly mounted on the bottom of bin 21 by nut, is connected by solenoid valve with control module simultaneously; Sub-material push pedal 22 is arranged on the base plate 25 of bin 21, and be connected with the piston rod of sub-material cylinder 23, the lower end of bin 21 is fixedly mounted on the side of travelling belt 31, the base plate 25 of bin 21 is connected with travelling belt 31, the upper surface of base plate 25 is best and travelling belt 31 is in the same plane, also can a little more than travelling belt 31 place plane, as long as bearing 6 to be measured can be made to move into travelling belt 31 smoothly from feed mechanism 2.
As illustrated in figures 4-5, transfer mechanism 3 comprises travelling belt 31, displacement sheet 32, charging detector switch 33, lack material detector switch 34, station platform 37, and with travelling belt 31 and the joining drive disk assembly of sheet 32 etc. that is shifted, in the present embodiment, the drive disk assembly of two transfer mechanisms 3 is arranged between two displacement sheets 32, comprise two stations clamping cylinders 39 and a shared station pushes cylinder 38, and with the supporting solenoid valve that is connected of above-mentioned cylinder and link, two station clamping cylinders 39 are connected with the displacement sheet 32 of place transfer mechanism separately, station propelling movement cylinder 38 clamps cylinder 39 with two stations respectively by link and is connected, drive disk assembly also comprises the motor 35 being arranged on travelling belt end.
Charging detector switch 33, scarce material detector switch 34 are connected with control module respectively with drive disk assembly, travelling belt 31 is connected with the motor 35 of drive disk assembly, the end of travelling belt 31 is equipped with engaging tooth wheels, engaging tooth wheels are connected with motor 35, drive two travelling belts 31 by the cooperation of motor 35 and engaging tooth wheels.Station platform 37 is fixedly mounted on base 1, displacement sheet 32 is movably arranged on above station platform 37, be positioned at the end of travelling belt 31, be shifted both sheet 32 and travelling belt 31 at right angle setting, and in " L " type, charging detector switch 33 and scarce material detector switch 34 are arranged on the end of travelling belt 31 successively, in the present embodiment, described charging detector switch 33 and scarce material detector switch 34 are inductance approach switch sensor, only respond to metal, can get rid of the interference of some non-metallic objectsit is not a metal object.The piston rod that described displacement sheet 32 and station clamp cylinder 39 is connected, displacement sheet 32 is provided with several displacement grooves 321, several bearing inner race 6 can be shifted simultaneously, displacement groove 321 is can be V-type groove, its bottom portion of groove has one fixed width, bearing inner race 6 to be measured can be made to fall in displacement groove 321 completely, and displacement groove 321 also can be circular arc or square, as long as bearing inner race 6 to be measured can be shifted fast, accurately; The end of travelling belt 31 is also provided with baffle plate 36, for stopping bearing inner race 6 to be measured, prevents it from falling into ground.
As shown in fig. 6-7, described testing agency comprises operator's console 41, Lift Part and detection part etc., 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, the top that dynamic air cylinder 435 and 425 is positioned at LVDT displacement transducer 434 and 424 is done.The LVDT displacement transducer that the present embodiment is selected is higher than common displacement transducer repeatable accuracy.
As shown in Figure 8, 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 2 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, form parallelogram.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, 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.
As shown in Figure 9, described discharge mechanism 5 comprises several and is arranged on expeller 51 on station platform 37, each expeller 51 is connected to the piston rod of a cylinder 53, and be all provided with corresponding hopper 52 below expeller 51, expeller cylinder 53 is connected with control module by solenoid valve; Described hopper 52 is V-type, comprise the partially especially big groove in certified products groove, aperture, aperture groove bigger than normal, the micro-groove bigger than normal in aperture, aperture groove less than normal, be arranged side by side on base 1, before bearing inner race 6 after detection is moved to corresponding expeller 51 by displacement sheet 32, then move into corresponding hopper 52 by the expeller 51 of correspondence, realize classifying to the detection of bearing inner race 6.Because the bearing inner race 6 after detecting all arranges in an orderly manner in the hopper 52 of correspondence, effectively protect bearing inner race bear inner ring grooved railway.
Described control module is PLC module, and PLC module is key control unit, and its interface mainly comprises special purpose interface, input interface and output interface, and special purpose interface refers to the interfaces such as serial ports, is directly connected carries out communication with operator's console touch-screen; Input interface and button, charging detector switch 33 and lack and expect that detector switch 34 etc. is connected, input use as signal; Output interface is connected with solenoid valve, by driving the action of solenoid valve, thus the elongation of control cylinder and retraction.PLC stable performance, anti-external interference ability is stronger, and interface is complete, very easy to use, is applicable to very much Industry Control occasion and uses.
The detection method of above-mentioned bearing inner race hole diameter detection apparatus, comprises the steps:
1) first bearing inner race 6 to be measured is placed on material bar 24, bearing inner race 6 falls on the base plate 25 of bin 21 lower end under gravity automatically, then sub-material push pedal 22 is under the effect of cylinder 23, bearing inner race 6 is pushed travelling belt 31, then sub-material push pedal 22 is retracted into initial position, and after next group bearing inner race 6 falls into base plate 25, control module sends instruction, cylinder 23 acts on sub-material push pedal 22 again, and bearing inner race 6 to be measured is moved into travelling belt 31;
2) bearing inner race 6 to be measured moves along with travelling belt 31, first through charging detector switch 33, then through lacking material detector switch 34, finally under the effect of baffle plate 36, stops at travelling belt 31 end, then push the effect of cylinder at station under, displacement sheet 32 shifts to travelling belt 31 end, the notch of its first displacement groove 321 aims at bearing inner race 6 to be measured, then the piston rod of station clamping cylinder 39 stretches out, displacement sheet 32 is made to shift to bearing inner race 6, after bearing inner race 6 enters displacement groove 321 completely, the piston rod that station pushes cylinder 38 is retracted, make displacement sheet 32 mobile to travelling belt 31 in the other direction, bearing inner race 6 is moved into the station to be checked on station platform 37, then the piston rod of station clamping cylinder 39 is retracted, displacement sheet 32 is retreated, now, bearing inner race 6 to be measured shifts out displacement groove 321, displacement sheet 32 returns to initial position, according to the detection speed of control module setting, displacement sheet 32 repeats above-mentioned action, mobile second bearing inner race 6 to be measured, bearing inner race 6 to be measured is on travelling belt 31 in course of conveying, when bearing inner race 6 not detected on the position of charging detector switch 33 correspondence, signal is sent to control module by charging detector switch 33, control module starts the sub-material cylinder 23 of feed mechanism 2, and bearing inner race 6 to be measured is moved into travelling belt 31, when bearing inner race 6 not detected on the position of scarce material detector switch 34 correspondence, lack material detector switch 34 and signal is sent to control module, control module sends instruction, make this side testing agency 4 stop detecting, now, this sub-material cylinder 23 lacking material detector switch 34 correspondence still normally works, bearing inner race 6 to be measured is sent into travelling belt 31, in time lacking material detector switch 34 and bearing inner race 6 detected, testing agency 4 recovers normal, again starts, and simultaneously, the testing agency 4 of opposite side does not lack material by this side to be affected, and still can independently normally detect,
3) 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, 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 6 two different cross sections, data processing module can calculate the hole taper of bearing inner race 6 to be measured, 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 data 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, control module is divided into according to the measurement result of measured bearing inner ring 6: 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, in measuring process, first carry out Y-direction measurement or first carry out X being all fine to measurement,
4) be shifted sheet 32 according to the instruction of control module, before the bearing inner race 6 after detection is transplanted on corresponding expeller 51, then expeller 51 is under the effect of cylinder 53, bearing inner race 6 is moved into corresponding hopper 52.
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. the detection method of a bearing inner race hole diameter detection apparatus, it is characterized in that: described bearing inner race hole diameter detection apparatus comprises base, and be arranged on feed mechanism on base, transfer mechanism, testing agency and discharge mechanism, wherein, feed mechanism is arranged on the side of transfer mechanism travelling belt, testing agency is arranged on the side of transfer mechanism displacement sheet, discharge mechanism is positioned at the below of displacement sheet, bearing inner race to be measured on feed mechanism is transported to testing agency by travelling belt and displacement sheet, moves into discharge mechanism again after testing by displacement sheet; Above-mentioned displacement sheet pushes by the station that is attached thereto clamping cylinder and station that the piston rod of cylinder is flexible to be shifted; Described device comprises control module further, and control module is connected with discharge mechanism with feed mechanism, transfer mechanism, testing agency respectively by signal wire;
Above-mentioned transfer mechanism comprises travelling belt, displacement sheet, station platform, and and travelling belt, the joining drive disk assembly of displacement sheet, wherein, station platform is fixedly mounted on base, displacement sheet is movably arranged on above station platform, be positioned at the end of travelling belt, described drive disk assembly comprises a station clamping cylinder, a station pushes cylinder, and with the supporting solenoid valve that is connected of above-mentioned cylinder and link, the piston rod of station clamping cylinder is connected with displacement sheet, the piston rod of station propelling movement cylinder clamps cylinder by link and station and is connected, drive disk assembly also comprises the motor being arranged on travelling belt end, travelling belt is driven by motor,
Above-mentioned testing agency comprises operator's console, Lift Part and detection part, 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 detection method of above-mentioned bearing inner race hole diameter detection apparatus comprises the steps:
1) first bearing inner race to be measured is placed on material bar, bearing inner race falls on the base plate of bin lower end under gravity automatically, then sub-material push pedal is under the effect of cylinder, bearing inner race is pushed travelling belt, then sub-material push pedal is retracted into initial position, and after next group bearing inner race falls into base plate, control module sends instruction, cylinder acts on sub-material push pedal again, and bearing inner race to be measured is moved into travelling belt;
2) bearing inner race to be measured moves along with travelling belt, first through charging detector switch, then through lacking material detector switch, finally under the effect of baffle plate, stops at travelling belt end, then push the effect of cylinder at station under, displacement sheet shifts to travelling belt end, the notch of its first displacement groove aims at bearing inner race to be measured, then the piston rod of station clamping cylinder stretches out, displacement sheet is made to shift to bearing inner race, after bearing inner race enters displacement groove completely, the piston rod that station pushes cylinder is retracted, make displacement sheet mobile to travelling belt in the other direction, bearing inner race is moved into the station to be checked on station platform, then the piston rod of station clamping cylinder is retracted, displacement sheet is retreated, now, bearing inner race to be measured shifts out displacement groove, displacement sheet returns to initial position, according to the detection speed of control module setting, displacement sheet repeats above-mentioned action, mobile second bearing inner race to be measured, bearing inner race to be measured is on a moving belt in course of conveying, when the position that charging detector switch is corresponding does not detect bearing inner race, signal is sent to control module by charging detector switch, and control module starts feed mechanism cylinder, and bearing inner race to be measured is moved into travelling belt, when the position that scarce material detector switch is corresponding does not detect bearing inner race, lack material detector switch and signal is sent to control module, control module sends instruction, make this side testing agency stop detecting, now, this material loading cylinder lacking material detector switch corresponding still normally works, bearing inner race to be measured is sent into travelling belt, in time lacking material detector switch and bearing inner race detected, testing agency recovers normal, again starts, and simultaneously, the testing agency of opposite side does not lack material by this side to be affected, and can independently normally detect,
3) 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, 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, control module is divided into according to the measurement result of measured bearing inner ring: 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, aperture bearing inner race less than normal, aperture bearing inner race less than normal can processing and utilization again,
4) be shifted sheet according to the instruction of control module, before the bearing inner race after detection is transplanted on corresponding expeller, then expeller is under the effect of cylinder, and bearing inner race is moved into corresponding hopper.
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CN107643067A (en) * | 2017-09-27 | 2018-01-30 | 镇江金利源轴承有限公司 | A kind of bearing inner race inner circle roundness measuring system |
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CN108465645A (en) * | 2018-05-02 | 2018-08-31 | 无锡诚石轴承有限公司 | Bearing blank endoporus automatic detection device |
CN108465645B (en) * | 2018-05-02 | 2023-12-22 | 无锡诚石轴承有限公司 | Automatic detection device for inner hole of bearing blank |
CN108534698B (en) * | 2018-05-16 | 2019-11-29 | 安徽工程大学 | A kind of workpiece through-hole aperture measuring device |
CN108534698A (en) * | 2018-05-16 | 2018-09-14 | 安徽工程大学 | A kind of workpiece through-hole aperture measuring device |
CN108704865A (en) * | 2018-05-25 | 2018-10-26 | 上海天安轴承有限公司 | A kind of flexibility self-operated measuring unit of micro rolling ball bearing |
CN108704865B (en) * | 2018-05-25 | 2023-09-05 | 上海天安轴承有限公司 | Automatic measuring device for flexibility of miniature ball bearing |
CN109115085A (en) * | 2018-09-30 | 2019-01-01 | 环驰轴承集团有限公司 | A kind of full-automatic bearing inner diameter measurement machine |
CN109115085B (en) * | 2018-09-30 | 2024-01-02 | 宁波环诚汽车轴承有限公司 | Full-automatic bearing inner diameter detector |
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