CN103557996A - Device and method for visually detecting leakproofness of four-station bearing part - Google Patents
Device and method for visually detecting leakproofness of four-station bearing part Download PDFInfo
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Abstract
Provided are a device and method for visually detecting leakproofness of a four-station bearing part. The device is composed of three parts, the first part is a synchronous movement mechanism with a central core shaft (1) driving a cross hanging bracket (3), the second part is a clamping and measuring mechanism of a workpiece to be detected, the third part is a supporting movement mechanism of the central core shaft (1), the first part is arranged at the upper end of the detection device and is connected with the third part arranged on the lower portion of a detection device supporting platform (19) through the central core shaft (1), and the second part is arranged on the upper supporting surface of the detection device supporting platform (19). Through an innovative detection principle and the novel detection structure, four parts can be simultaneously detected, measuring efficiency can be greatly improved, the automatic detection degree is high, and the application range is wide.
Description
Technical field
The present invention relates to a kind of part airtight quality pick-up unit and method, be specifically related to four station bearer sealing vision inspection apparatus and methods.
Background technology
Machinery bearer needs to carry out withstand voltage test before use, and to verify that can it guarantee the impermeability under design pressure, mechanical pressure-bearing product applications is quite wide, as a plurality of fields such as machine-building, oil, chemical industry, water supply and sewages.Due to the bubble-tight inefficacy of bearer, to cause various accidents countless in recent years, brought huge loss to the use department that is correlated with, therefore bearer impermeability is determining security, reliability and the permanance of machinery and equipment, and the bubble-tight detection of bearer is one of crucial evaluation metrics whether equipment set is qualified.
Traditional leakage detection method is that part to be measured is filled with to water or other medium, by observing and measuring, is filled with that the reduction of medium realizes in special time, and this is a kind of direct metering system; Based on this method, derive again another kind of method, be about to the gas medium that article to be measured are filled with certain pressure, be then placed in water and observe, whether the tested article of usining around produce bubble as the standard of whether leaking.These two kinds of methods are simple, convenient, low for equipment requirements, but exist following deficiency: (1) lacks economic and practical detection means and method, or precision is inadequate, or function singleness, and expensive, are difficult to adapt to the test of many kinds seal element; (2) detection system is very backward, domesticly in the test aspect seal element overall performance, there is no what test unit, and detection system is physics instrument mostly, the intellectuality of being far from being.
Summary of the invention
Based on above reason, invention has proposed a kind of four station bearer sealing vision inspection apparatus and methods.
Described four station bearer sealing vision inspection apparatus, comprise: middle mandrel 1, axle head coupling sleeve 2, cross suspension bracket 3, cylinder 4, piston top 5, train wheel bridge 6, inflation briquetting 7, gas-filled tube 8, pressure constant air pump 9, tank 10, sealing inflation pressing plate 11, upper liner 12, photograph unit 13, lower seal liner 14, lower plate 15, axial sleeve 16, imageing sensor 17, control processor 18, support platform 19, power wheel 20, speed reduction unit 21, motor 22, motor fixing frame 23, shaft coupling sleeve 24, mandrel cylinder top 25, mandrel cylinder 26, clamping plate fixed bolt group 27.
Described device is comprised of three parts, first is that middle mandrel 1 drives being synchronized with the movement of cross suspension bracket 3, second portion is clamping and the measuring mechanism of workpiece for measurement, third part is the supporting movement mechanism of middle mandrel 1, wherein first, in the upper end of pick-up unit, connects by middle mandrel 1 and the third part that is positioned at pick-up unit support platform 19 bottoms; Second on the support upper surface of the support platform 19 of pick-up unit.First is that middle mandrel 1 drives being synchronized with the movement of cross suspension bracket 3, wherein, the upper end of middle mandrel 1 connects by axle head coupling sleeve 2 and cross suspension bracket 3, the upper end of axle head coupling sleeve 2 and cross suspension bracket 3 connect by bolted, the side of axle head coupling sleeve 2 and central shaft 1 upper end outside surface connect by bolted, can make so middle mandrel 1 and the synchronous rotation of cross suspension bracket 3 and synchronously move up and down, second portion is clamping and the measuring mechanism of workpiece for measurement, wherein, on four cantilevers of cross suspension bracket 3, the identical clamping device of quadruplet is installed respectively, the test sampling of realization to part to be measured, cylinder 4 upper ends are by bolt and cantilever tight joint, the lower end tight joint train wheel bridge 6 of cylinder 4, train wheel bridge clamping plate center has through hole, train wheel bridge 6 and lower plate 15 are by clamping plate fixed bolt group 27 tight joints, on lower plate 15, offer the screw matching with clamping plate fixed bolt group 27, thereby the relative position of lower plate 15 and clamping plate fixed bolt group 27 is fixed, train wheel bridge 6 is fixed by two clamp nuts of clamping plate fixed bolt group 27 upper ends, piston top 5 is trapezoidal cylinder axis structure, the piston of upper end and cylinder 4 connects, middle-end is through the central through hole of offering on train wheel bridge 6, piston comes directly towards on 5 lower end peripheries and offers external thread, with inflation briquetting 7 upper end center pit internal thread tight joints, inflation briquetting 7 is interior stepped hollow cylinder structure, lower end connects sealing inflation pressing plate 11, inflation pressing plate 11 downsides are upper liners 12, lower seal liner 14 is placed in above lower plate 15, workpiece for measurement is placed between liner 12 and lower seal liner 14, when cylinder 4 inflation, piston top 5 promotes inflation briquetting 7 downwards, because the relative position between train wheel bridge 6 and lower plate 15 is fixed, inflation briquetting 7 promotes sealing inflation pressing plate 11 downwards, workpiece for measurement is clamped between upper liner 12 and lower seal liner 14, in the middle of sealing inflation pressing plate 11, offer circular hole, on inflation briquetting 7 sidewalls, offer circular hole, pressure constant air pump 9 is placed on the outside of clamping device, the gas-filled tube 8 of pressure constant air pump 9 is through the circular hole on inflation briquetting 7 sidewalls, with the circular hole sealed attachment of offering on sealing inflation pressing plate 11, pressure-sustaining gas enters into workpiece for measurement inside through the center hole of upper liner 12, tank 10 is placed in support platform 19, photograph unit 13 is placed in tank 10 inside in the middle of tank 10 inwalls, between three cameras, being 120 degree angle annulars is placed in tank 10, around measured workpiece, arrange, third part is the supporting movement mechanism of middle mandrel 1, wherein, support platform 19 upper ends are planes, lower end is supported by the supporting leg of ring shooting, circular hole is offered in planar central position, an axial sleeve 16 is installed above circular hole, middle mandrel 1 is through the center hole of axial sleeve 16 and support platform 19, and can rotate within it, in the lower end of support platform 19, are mandrel cylinders 26, mandrel cylinder 26 is fixed in ground surface platform, mandrel cylinder comes directly towards 25 lower ends and mandrel cylinder 26 is fixedly connected, the lower shaft end of upper end and middle mandrel 1 connects by shaft coupling sleeve 24, wherein mandrel cylinder top 25 and shaft coupling sleeve 24 are close to fixing bolt rigid attachment, so that shaft coupling sleeve 24 and mandrel cylinder top 25 are fixing, can there is not relative motion, shaft coupling sleeve 24 is put in the lower end of middle mandrel 1, and can be in the interior rotation of shaft coupling sleeve 24, motor 22 is fixed on shaft coupling sleeve 24 outer walls by motor fixing frame 23, with shaft coupling sleeve 24 tight joints, motor 22 upsides connect speed reduction unit 21, speed reduction unit 21 and power wheel 20 engagements, drive power wheel 20 to rotate, rotor wheel 22 and middle mandrel 1 tight joint, , during power wheel 20 can drive, mandrel 1 is in the interior rotation of shaft coupling sleeve 24, imageing sensor 17 is placed in the downside of support platform 19, , the image information of taking for gathering photograph unit 13, control processor 18 is placed the downside of imageing sensor 17, the image information gathering is carried out to analyzing and processing according to prefabricated computer software algorithm.
Described four station bearer sealing visible detection methods are: part to be measured is inserted in water receptacle, utilization gathers gas leakage forms in water after part pressure-bearing number of bubbles and the image information of Air Bubble Size around photograph unit, by four station bearer sealing vision inspection apparatus, adopt median filter method, clutter in filtering image, then with considering gradation of image, the threshold method of the maximum equation difference of neighboring mean value and intermediate value is cut apart accurately to the image under complex background, extract the shape facility of defect area, gray feature and cluster feature are as the foundation of Classification and Identification, and therefrom choose be conducive to classification of defects most validity feature as recognition feature, on the basis that various sorters are analyzed, adopt the improvement BP neural network recognization system that adds dynamic factor, bearer surface imperfection is identified.
The detection principle that the present invention innovates by utilization and novel detection architecture and method can detect four parts simultaneously, can greatly improve measurement efficiency, and robotization detection level is high, applied widely.
Accompanying drawing explanation
Fig. 1 is four station bearer sealing vision inspection apparatus one-piece construction diagrammatic cross-sections of the present invention;
Fig. 2 is the upper lower plate A-A direction schematic diagram that is connected and fixed;
Fig. 3 tetra-station bearer sealing vision inspection apparatus one-piece construction vertical views;
Fig. 4 is train wheel bridge vertical view;
Fig. 5 is lower plate vertical view;
Fig. 6 is photograph unit arrangenent diagram.
Specific embodiment
Described four station bearer sealing vision inspection apparatus, comprise: middle mandrel 1, axle head coupling sleeve 2, cross suspension bracket 3, cylinder 4, piston top 5, train wheel bridge 6, inflation briquetting 7, gas-filled tube 8, pressure constant air pump 9, tank 10, sealing inflation pressing plate 11, upper liner 12, photograph unit 13, lower seal liner 14, lower plate 15, axial sleeve 16, imageing sensor 17, control processor 18, support platform 19, power wheel 20, speed reduction unit 21, motor 22, motor fixing frame 23, shaft coupling sleeve 24, mandrel cylinder top 25, mandrel cylinder 26, clamping plate fixed bolt group 27.
Space structure as shown in Figure 1, is mainly comprised of three parts, and first is that middle mandrel 1 drives being synchronized with the movement of cross suspension bracket 3; Second portion is clamping and the measuring mechanism of workpiece for measurement; Third part is the supporting movement mechanism of middle mandrel 1.Wherein first, in the upper end of pick-up unit, connects by middle mandrel 1 and the third part that is positioned at pick-up unit support platform 19 bottoms; Second on the support upper surface of the support platform 19 of pick-up unit; Concrete space structure is: the space structure of first is: the upper end of middle mandrel 1 connects by axle head coupling sleeve 2 and cross suspension bracket 3, the upper end of axle head coupling sleeve 2 and cross suspension bracket 3 connect by bolted, the side of axle head coupling sleeve 2 and central shaft 1 upper end outside surface connect by bolted, can make so middle mandrel 1 and the synchronous rotation of cross suspension bracket 3 and synchronously move up and down.The space structure of second portion is: on four cantilevers of cross suspension bracket 3, the identical clamping device of quadruplet is installed respectively, the test sampling of realization to part to be measured, particularly, cylinder 4 upper ends are by bolt and cantilever tight joint, the lower end tight joint train wheel bridge 6 of cylinder 4, train wheel bridge schematic diagram as shown in Figure 4, clamping plate center has through hole, lower plate as shown in Figure 5, train wheel bridge 6 and lower plate 15 are by clamping plate fixed bolt group 27 tight joints, connecting mode as shown in Figure 2, on lower plate 15, offer the screw matching with clamping plate fixed bolt group 27, thereby the relative position of lower plate 15 and clamping plate fixed bolt group 27 is fixed, train wheel bridge 6 is fixed by two clamp nuts of clamping plate fixed bolt group 27 upper ends, therefore, under the connection of clamping plate set bolt group 27, train wheel bridge 6 and lower plate 15 relative positions are fixed, and be synchronized with the movement, and because train wheel bridge 6 is fixed on the bottom of cylinder 4, cylinder 4 is fixed on the arm of cross suspension bracket 3, cross suspension bracket 3 and middle mandrel 1 are fixedly connected, so cylinder 4, train wheel bridge 6, clamping plate fixed bolt group 27 and lower plate 15 and middle mandrel 1 are synchronized with the movement, piston top 5 is trapezoidal cylinder axis structure, and the piston of upper end and cylinder 4 connects, and middle-end is through the central through hole of offering on train wheel bridge 6, and piston comes directly towards on 5 lower end peripheries and offers external thread, and inflation briquetting 7 upper end center pit internal thread tight joints, inflation briquetting 7 is interior stepped hollow cylinder structure, and lower end connects sealing inflation pressing plate 11, and inflation pressing plate 11 downsides are upper liners 12, lower seal liner 14 is placed in above lower plate 15, workpiece for measurement is placed between liner 12 and lower seal liner 14, when cylinder 4 inflation, piston top 5 promotes inflation briquetting 7 downwards, because the relative position between train wheel bridge 6 and lower plate 15 is fixed, inflation briquetting 7 promotes sealing inflation pressing plate 11 downwards, and workpiece for measurement is clamped between upper liner 12 and lower seal liner 14, in the middle of sealing inflation pressing plate 11, offer circular hole, on inflation briquetting 7 sidewalls, offer circular hole, pressure constant air pump 9 is placed on the outside of clamping device, the gas-filled tube 8 of pressure constant air pump 9 is through the circular hole on inflation briquetting 7 sidewalls, with the circular hole sealed attachment of offering on sealing inflation pressing plate 11, pressure-sustaining gas enters into workpiece for measurement inside through the center hole of upper liner 12, tank 10 is placed in support platform 19, and the volume of tank 10 be take can make clamping device and measured workpiece submerge underwater completely as standard, tank 10 inside are placed in tank 10 along being 120 degree angle annulars between 13, three cameras of tank 10 inwalls middle placement photograph unit, around measured workpiece, arrange, third part space mechanism is: support platform 19 upper ends are planes, lower end is supported by the supporting leg of ring shooting, and circular hole is offered in planar central position, and an axial sleeve 16 is installed above circular hole, middle mandrel 1 passes the center hole of axial sleeve 16 and support platform 19, and can rotate within it, in the lower end of support platform 19, are mandrel cylinders 26, mandrel cylinder 26 is fixed in ground surface platform, mandrel cylinder comes directly towards 25 lower ends and mandrel cylinder 26 is fixedly connected, the lower shaft end of upper end and middle mandrel 1 connects by shaft coupling sleeve 24, wherein mandrel cylinder top 25 and shaft coupling sleeve 24 are close to fixing bolt rigid attachment, so that shaft coupling sleeve 24 and mandrel cylinder top 25 are fixing, relative motion can not occur, shaft coupling sleeve 24 is put in the lower end of middle mandrel 1, and can be in the interior rotation of shaft coupling sleeve 24, motor 22 is fixed on shaft coupling sleeve 24 outer walls by motor fixing frame 23, with shaft coupling sleeve 24 tight joints, motor 22 upsides connect speed reduction units 21, and speed reduction unit 21 and power wheel 20 engagements, drive power wheel 20 to rotate, rotor wheel 22 and middle mandrel 1 tight joint, so power wheel 20 can drive in mandrel 1 in the interior rotation of shaft coupling sleeve 24, imageing sensor 17 is placed in the downside of support platform 19, is mainly used in gathering the image information that photograph unit 13 is taken, and control processor 18 is placed the downside of imageing sensor 17, and the image information gathering is carried out to analyzing and processing according to prefabricated computer software algorithm.
About middle mandrel 1, drive being synchronized with the movement of cross suspension bracket 3, because upper end and the cross suspension bracket 3 of axle head coupling sleeve 2 connects by bolted, the downside of axle head coupling sleeve 2 is by bolt and middle mandrel 1 outside surface tight joint, therefore mandrel 1 and the fastened connection of cross suspension bracket 3 in, when central mandrel 1 moves up and down or rotatablely moves, drive cross suspension bracket 3 to be synchronized with the movement.
About clamping device, because train wheel bridge 6 and lower plate 15 are connected and fixed by clamping plate fixed bolt group 27, therefore upper lower plate is to be synchronized with the movement, and between them, relative position is fixed, because train wheel bridge 6 is fixed on cylinder 4, cylinder 4 is fixed on the cantilever of cross suspension bracket 3, and therefore, when 3 motion of cross suspension bracket, the clamping device that can drive lower plate to form is synchronized with the movement; When cylinder 4 inflation, promoting piston top 5 moves downward, piston top 5 promotes inflation briquetting 7 and moves downward, due to the center pit of inflation briquetting 7 through top board 6, therefore when inflating briquetting 7 and moving downward, the clamping device transfixion that upper lower plate forms, inflation briquetting 7 promotes sealing inflation pressing plate 11 and moves downward; Workpiece for measurement is placed between the upper liner 12 and the lower seal liner 14 of lower plate 15 upsides of sealing inflation pressing plate 11 downsides, when sealing inflation pressing plate 11 moves downward, lower plate 15 transfixions, the sealed inflation pressing plate 11 of workpiece for measurement and lower plate 15 clamp, upper-lower seal liner is soft materials manufacture, mainly plays the effect of airtight isolated air; On the sidewall of inflation briquetting 7, offer circular hole, the gas-filled tube 8 of pressure constant air pump 9 is tightly connected through the center pit of circular hole and sealing inflation pressing plate 11, and enters into inside parts to be measured through upper liner 12, so that pressure-sustaining gas is filled with inside parts to be measured, realize the gas pressurize of inside parts; In support platform 19, relevant position under each cantilever, place tank 10, when central mandrel 1 moves up and down, the liquid level of clamping device and part to be measured immersion tank 10 can be carried out below to pressurize test or part to be measured is risen from water, realize the replacing of part to be measured, when central mandrel 1 rotates, can realize the operation successively of four stations; When part to be measured carries out pressurize experiment, photograph unit 13 in tank 10 is taken pictures continuously, obtain the bubble image information at part defect place, image information is transferred to control processor 18 by imageing sensor 17, the Computer Image Processing software special by control processor 18 use looks like to analyze to the bubble diagram at the place, leak point obtaining, to determine the quality standard of tested part.
Supporting movement mechanism about middle mandrel 1, mandrel cylinder top 25 is cylinder axis shape, lower end by shaft coupling sleeve 24 and middle mandrel 1 connects, wherein shaft coupling sleeve 24 and mandrel cylinder top 25 are bolted connection, therefore both sides can not relatively rotate or motion to axial, and shaft coupling sleeve 24 and middle mandrel 1 lower end be for being slidably connected, both sides can relatively rotate; During the 26 inflation work of mandrel cylinder, promoting mandrel cylinder top 25 moves upward, during mandrel cylinder top 25 promotes, mandrel 1 moves upward, now shaft coupling sleeve 24 and motor 22 and speed reduction unit 21 and power wheel 20 synchronously move upward, middle mandrel 1 promotes cross suspension bracket 3 and moves upward, thereby drive synchronously moving upward of clamping device, after part and clamping device water outlet, can carry out the replacing operation of part; When part exchanging complete, 26 exhausts of mandrel cylinder, under Action of Gravity Field, middle mandrel 1 and cross suspension bracket 3 move downward, tested part immerses in tank 10, carries out pressurize experiment; Motor 22 is fixed on the outside surface of shaft coupling sleeve 24, when motor 22 rotates, drive speed reduction unit 21 to rotate, speed reduction unit 21 drives power wheel 20 to rotate, power wheel 20 is fixedly connected on middle mandrel 1, thus power wheel 20 drive in mandrel 1 in the interior rotation of shaft coupling sleeve 24, and now the relative position of shaft coupling sleeve 24 and motor 22 and mandrel cylinder top 25 is to immobilize, middle mandrel 1 rotates and drives clamping device to turn to correct position, realizes four stations and loads and unloads successively part to be measured; Axial sleeve 16 is fixedly connected in support platform 19, and middle mandrel 1 passes from sleeve center, the stable and balance of mandrel 1 in assurance.
Described four station bearer sealing visible detection methods are: part to be measured is inserted in water receptacle, utilization gathers gas leakage forms in water after part pressure-bearing number of bubbles and the image information of Air Bubble Size around photograph unit, by four station bearer sealing vision inspection apparatus, adopt median filter method, clutter in filtering image, then with considering gradation of image, the threshold method of the maximum equation difference of neighboring mean value and intermediate value is cut apart accurately to the image under complex background, extract the shape facility of defect area, gray feature and cluster feature are as the foundation of Classification and Identification, and therefrom choose be conducive to classification of defects most validity feature as recognition feature, on the basis that various sorters are analyzed, adopt the improvement BP neural network recognization system that adds dynamic factor, bearer surface imperfection is identified.
Claims (2)
1. a station bearer sealing vision inspection apparatus and method, described device is comprised of three parts, first is the synchronism mechanism that middle mandrel (1) drives cross suspension bracket (3), second portion is clamping and the measuring mechanism of workpiece for measurement, third part is the supporting movement mechanism of middle mandrel (1), wherein first is in the upper end of pick-up unit, by middle mandrel (1) and the third part that is positioned at pick-up unit support platform (19) bottom, connect, on the support upper surface of second support platform at pick-up unit (19), it is characterized in that, in first, the upper end of middle mandrel (1) connects by axle head coupling sleeve (2) and cross suspension bracket (3), the upper end of axle head coupling sleeve (2) and cross suspension bracket (3) connect by bolted, the side of axle head coupling sleeve (2) and central shaft (1) upper end outside surface connect by bolted, can make so the synchronous rotation of middle mandrel (1) and cross suspension bracket (3) and synchronously move up and down, in second portion, on four cantilevers of cross suspension bracket (3), the identical clamping device of quadruplet is installed respectively, the test sampling of realization to part to be measured, cylinder (4) upper end is by bolt and cantilever tight joint, the lower end tight joint train wheel bridge (6) of cylinder (4), train wheel bridge clamping plate center has through hole, train wheel bridge (6) and lower plate (15) are by clamping plate fixed bolt group (27) tight joint, on lower plate (15), offer the screw matching with clamping plate fixed bolt group (27), thereby the relative position of lower plate (15) and clamping plate fixed bolt group (27) is fixed, train wheel bridge (6) is fixed by two clamp nuts of clamping plate fixed bolt group (27) upper end, piston top (5) is trapezoidal cylinder axis structure, the piston of upper end and cylinder (4) connects, middle-end is through the central through hole of offering on train wheel bridge (6), on the periphery of (5) lower end, piston top, offer external thread, with inflation briquetting (7) upper end center pit internal thread tight joint, inflation briquetting (7) is interior stepped hollow cylinder structure, lower end connects sealing inflation pressing plate (11), inflation pressing plate (11) downside is upper liner (12), lower seal liner (14) is placed in lower plate (15) above, workpiece for measurement is placed between liner (12) and lower seal liner (14), when cylinder (4) is inflated, piston top (5) promotes inflation briquetting (7) downwards, because the relative position between train wheel bridge (6) and lower plate (15) is fixed, inflation briquetting (7) promotes sealing inflation pressing plate (11) downwards, workpiece for measurement is clamped between upper liner (12) and lower seal liner (14), in the middle of sealing inflation pressing plate (11), offer circular hole, on inflation briquetting (7) sidewall, offer circular hole, pressure constant air pump (9) is placed on the outside of clamping device, the gas-filled tube (8) of pressure constant air pump (9) is through the circular hole on inflation briquetting (7) sidewall, with the circular hole sealed attachment of offering on sealing inflation pressing plate (11), pressure-sustaining gas enters into workpiece for measurement inside through the center hole of upper liner (12), tank (10) is placed in support platform (19), tank (10) is inner places photograph unit (13) in the middle of tank (10) inwall, between three cameras, being 120 degree angle annulars is placed in tank (10), around measured workpiece, arrange, in third part, support platform (19) upper end is plane, lower end is supported by the supporting leg of ring shooting, circular hole is offered in planar central position, an axial sleeve (16) is installed above circular hole, middle mandrel (1) is through the center hole of axial sleeve (16) and support platform (19), and can rotate within it, in the lower end of support platform (19), be mandrel cylinder (26), mandrel cylinder (26) is fixed in ground surface platform, mandrel cylinder (25) lower end, top and mandrel cylinder (26) are fixedly connected, the lower shaft end of upper end and middle mandrel (1) connects by shaft coupling sleeve (24), wherein mandrel cylinder top (25) and shaft coupling sleeve (24) are close to fixing bolt rigid attachment, so that shaft coupling sleeve (24) and mandrel cylinder top (25) are fixing, can there is not relative motion, shaft coupling sleeve (24) is put in the lower end of middle mandrel (1), and can in shaft coupling sleeve (24), rotate, motor (22) is fixed on shaft coupling sleeve (24) outer wall by motor fixing frame (23), with shaft coupling sleeve (24) tight joint, motor (22) upside connects speed reduction unit (21), speed reduction unit (21) and power wheel (20) engagement, drive power wheel (20) to rotate, rotor wheel (22) and middle mandrel (1) tight joint, during power wheel (20) can drive, mandrel (1) rotates in shaft coupling sleeve (24), imageing sensor (17) is placed in the downside of support platform (19), be used for gathering the image information that photograph unit (13) is taken, control processor (18) is placed the downside of imageing sensor (17), the image information gathering is carried out to analyzing and processing according to prefabricated computer software algorithm.
2. one kind is utilized device described in claim 1 to carry out four station bearer sealing visible detection methods, described method is: part to be measured is inserted in water receptacle, utilization gathers gas leakage forms in water after part pressure-bearing number of bubbles and the image information of Air Bubble Size around photograph unit, by four station bearer sealing vision inspection apparatus claimed in claim 1, adopt median filter method, clutter in filtering image, then with considering gradation of image, the threshold method of the maximum equation difference of neighboring mean value and intermediate value is cut apart accurately to the image under complex background, extract the shape facility of defect area, gray feature and cluster feature are as the foundation of Classification and Identification, and therefrom choose be conducive to classification of defects most validity feature as recognition feature, on the basis that various sorters are analyzed, adopt the improvement BP neural network recognization system that adds dynamic factor, bearer surface imperfection is identified.
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| CN108195529A (en) * | 2017-12-24 | 2018-06-22 | 安徽工程大学 | A kind of tank body device for detecting sealability and its detection method |
| CN108195522A (en) * | 2018-01-09 | 2018-06-22 | 昆山翰辉电子科技有限公司 | For the detecting tool of air tightness of pipe fitting |
| CN112213038A (en) * | 2020-09-24 | 2021-01-12 | 四川宏华电气有限责任公司 | Detection system and detection method for sealing performance of displacement pump and fracturing system |
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| WO2015196367A1 (en) * | 2014-06-24 | 2015-12-30 | 昂纳自动化技术（深圳）有限公司 | Electronic cigarette atomizer sealing ring assembly quality detection apparatus and method |
| CN104848996A (en) * | 2015-05-20 | 2015-08-19 | 浙江万丰摩轮有限公司 | Motorcycle wheel hub air-tightness detection method and device |
| CN108195529A (en) * | 2017-12-24 | 2018-06-22 | 安徽工程大学 | A kind of tank body device for detecting sealability and its detection method |
| CN108195522A (en) * | 2018-01-09 | 2018-06-22 | 昆山翰辉电子科技有限公司 | For the detecting tool of air tightness of pipe fitting |
| CN112213038A (en) * | 2020-09-24 | 2021-01-12 | 四川宏华电气有限责任公司 | Detection system and detection method for sealing performance of displacement pump and fracturing system |
| CN112326136A (en) * | 2020-10-29 | 2021-02-05 | 清华大学 | High-pressure gas seal detects uses test system based on nitrogen gas replacement |
| CN114689246A (en) * | 2022-03-23 | 2022-07-01 | 江苏希尔登家居有限公司 | Curtain wall door and window air tightness performance evaluation method and system based on machine vision |
| CN114689246B (en) * | 2022-03-23 | 2023-11-14 | 江苏希尔登家居有限公司 | Curtain wall door and window airtight performance evaluation method and system based on machine vision |
| CN117906940A (en) * | 2024-03-20 | 2024-04-19 | 山东北方创信防水科技集团股份有限公司 | Sealing performance detection device for rubber sealing ring |
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