CN116698839B - Automobile part detection device and detection method based on machine vision - Google Patents
Automobile part detection device and detection method based on machine vision Download PDFInfo
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- CN116698839B CN116698839B CN202310967667.8A CN202310967667A CN116698839B CN 116698839 B CN116698839 B CN 116698839B CN 202310967667 A CN202310967667 A CN 202310967667A CN 116698839 B CN116698839 B CN 116698839B
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- 238000001514 detection method Methods 0.000 title claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 230000007306 turnover Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/13—Moving of cuvettes or solid samples to or from the investigating station
Abstract
The invention belongs to the technical field of machine vision detection, in particular to a machine vision-based automobile part detection device and a detection method. By arranging the detection mechanism, the invention not only can realize the continuity detection of the automobile parts and improve the detection efficiency, but also can realize the dead angle-free detection of the automobile parts, ensure the comprehensiveness of the detection of the automobile parts and the accuracy of the detection result, ensure the production quality of the automobile parts and increase the overall practicability of the automobile part detection device based on machine vision.
Description
Technical Field
The invention belongs to the technical field of machine vision detection, and particularly relates to an automobile part detection device and method based on machine vision.
Background
The automobile parts are taken as the basis of the automobile industry and are necessary factors for supporting the continuous and healthy development of the automobile industry, particularly the current automobile industry is bombing and developing autonomous development and innovation, and a strong part system is needed for supporting.
Most of the detection of automobile parts at the present stage uses traditional scanning detection, but the detection of the bottom surface is often neglected by the scanning detection method, so that the detection is incomplete, and the qualification rate of the whole batch of products is affected.
Disclosure of Invention
The invention provides a machine vision-based automobile part detection device and a detection method aiming at the problem that detection is incomplete due to neglect of detection of a bottom surface in the prior art, so as to solve the problem in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automobile parts detection device based on machine vision, includes the base, the top one end of base rotates and is connected with the center pin, and center pin and the concentric setting of base, the outside of center pin is provided with material loading station, upset station and unloading station, the top one end fixedly connected with roof of center pin, and the roof comprises a disc and the three extension board of setting outside the disc, the top one end fixed mounting of base has step motor, step motor's top is provided with the belt pulley that a pair of mutually supporting used, one of them belt pulley and step motor output shaft fixed connection, another the outside at the center pin is cup jointed to the belt pulley is fixed, the bottom one end of three extension board all is provided with the detection mechanism that can ensure that automobile parts detects comprehensive, three detection mechanism corresponds material loading station, upset station and unloading station respectively.
Further, detection mechanism includes two hanger plates, two the inside of hanger plate is all rotated and is connected with the pivot, two the equal fixedly connected with curb plate in one side that the pivot is relative, two the common fixedly connected with of one side that the curb plate is relative two diaphragms, and two diaphragms and two curb plates designs as an organic wholely, two diaphragm mutually perpendicular is right angle form setting, two one side that the pivot kept away from each other all extends to the outside of hanger plate and fixedly connected with fixed disk, two the equal fixedly connected with first torsional spring in one side that the fixed disk is relative, two the one end that the first torsional spring is relative respectively with two hanger plates fixed connection, and two torsional springs are movable respectively cup jointed in the outside of pivot, two the equal fixedly mounted in one side that the hanger plate is relative detects the camera, and two detect the camera and set up respectively in the below of two pivots, two the arc logical groove that uses with the cooperation of detecting the camera has all been seted up to the performance of curb plate.
Further, a rotating assembly is arranged on one side of the transverse plates away from the side plates and on the top of the base;
the rotary assembly comprises a rotary table which is rotationally connected inside a transverse plate, the rotary table consists of a disc and a convex ring which is arranged outside the disc, a circular groove which is matched with the rotary table for use is formed in the performance of the transverse plate, a square shaft is fixedly connected to one side of the rotary table, which is far away from the detection camera, a gear is arranged on one side, which is far away from the rotary table, of the square shaft, one end of the top of the gear shaft is fixedly connected with the square shaft, the diameter of the gear shaft is larger than the length of the diagonal line of the square shaft, a fixed ring is fixedly connected to one end of the top of the base, the fixed ring is arranged between the gear and the central shaft, two groups of teeth meshed with the gear are arranged on the outer side of the fixed ring, one group of teeth are arranged between a feeding station and a turning station, and the other group of teeth are arranged between the turning station and a discharging station.
Further, a turnover assembly is arranged between the hanging plate and the central shaft;
the utility model provides a lifting plate, including fixed connection, round pin, fixed plate, ejector pin, upset subassembly is including fixed disk, and round pin sets up the eccentric position in one side of the lifting plate is kept away from to one of them fixed disk, the both sides of fixed disk all are provided with the locating plate, and two locating plate symmetry sets up in the both sides of fixed disk, two one side of locating plate and one of them lifting plate fixed connection, two common sliding connection has a push pedal between the locating plate, the surface of push pedal is provided with the spout that uses with round pin cooperation, the one end that the fixed disk was kept away from to the round pin extends to the inside of push pedal, one side that the locating plate is relative is provided with the sand grip, and two sand grips and two locating plates are as an organic whole design, the both sides of push pedal all are provided with the recess that uses with the sand grip cooperation, the bottom one end fixedly connected with ejector pin of push pedal, and the bottom one end of ejector pin sets up to circular arc, be provided with the upset board that uses with the ejector pin cooperation between upset station and the unloading station, and the cross section shape of upset board is the arc, the position that the upset board is located the upset station sets up to the inclined plane, and the upset board sets up between solid fixed ring and center pin.
Further, an anti-shake mechanism capable of improving the stability of the part in the detection process is arranged between the turntable and the gear, and two driving assemblies matched with the anti-shake mechanism are arranged at one end of the top of the base;
the anti-shaking mechanism comprises a lifting disc movably sleeved outside a square shaft, the lifting disc is arranged between a rotary disc and a gear wheel shaft, a first spring is arranged between the lifting disc and the rotary disc, the first spring is movably sleeved outside the square shaft, four cross plates are uniformly and slidably connected in the lifting disc and are uniformly arranged outside the square shaft in a divergent mode, movable grooves matched with the cross plates are formed in the surface of the lifting disc, through grooves matched with the cross plates are formed in the surface of the rotary disc, one ends of the tops of the four cross plates extend to the inside of the through grooves respectively, and lifting rods are fixedly connected to one side, close to the central shaft, of the lifting disc.
Further, one side fixedly connected with rings that carousel was kept away from to the elevating disk, the inboard rotation of rings is connected with the actuating ring, four actuating grooves have evenly been seted up to the surface of actuating ring, four the inside of actuating groove all slides and is provided with the actuating lever, four the top one end of actuating lever respectively with four cross board fixed connection, one side uniform fixedly connected with four fixed plates of carousel is kept away from to the elevating disk, four one side uniform fixedly connected with second spring of fixed plate, and the second spring is the arc spring, the inboard of actuating ring evenly is provided with four lugs, and four lugs and actuating ring design as an organic whole, four the one end that the fixed plate was kept away from to the second spring respectively with four lug fixed connection, one side that the gear wheel axle is close to the center pin is provided with the fixed axle, and fixed axle and actuating ring bottom surface fixed connection, the outside activity of fixed axle cup joints the actuating plate, and the fixed axle comprises a movable ring outside the fixed axle and the boss that the setting is close to center pin one side at the ring, common fixedly connected with second torsional spring between fixed axle and the actuating ring, the outside movable torsion spring cup joints.
Further, the drive assembly includes the jacking board that uses with the lifter cooperation, jacking board fixed connection is in the top one end of base, and the cross sectional shape of jacking board is the arc, one side of jacking board sets up to the inclined plane, and the jacking board sets up between upset board and solid fixed ring, one side fixedly connected with that the center pin was kept away from to the jacking board and the ejector pad of drive board cooperation use.
Further, one of the driving components is arranged between the feeding station and one group of teeth, and the other driving component is arranged between the overturning station and the other group of teeth.
Further, the arc length of the push block is one half of the arc length of the lifting plates, one push block is arranged on one side, far away from the feeding station, of one lifting plate, and the other push block is arranged on one side, far away from the overturning station, of the other lifting plate.
The invention also discloses a machine vision-based automobile part detection method, which comprises the following steps:
s1: the detected automobile parts are placed into detection mechanisms on a feeding station one by one manually or through a mechanical arm, and a group of belt pulleys are driven to rotate by using a stepping motor, so that the group of belt pulleys drive a central shaft to intermittently rotate by one hundred twenty degrees, and the central shaft drives three detection mechanisms to synchronously rotate through a top plate;
s2: the anti-shake mechanism and the driving assembly are used for carrying out first-time position adjustment and stabilization on automobile parts;
s3: the rotating assembly is used for driving the automobile parts to rotate, and the detection camera is used for comprehensively detecting the automobile parts for the first time;
s4: the detection mechanism is rotated by ninety degrees by using the overturning assembly, so that the detection mechanism overturns the automobile parts and the bottom surface which is adhered to the turntable before is overturned;
s5: the anti-shake mechanism and the driving assembly are used again to adjust and stabilize the position of the automobile parts for the second time;
s6: the rotating assembly is used for driving the automobile parts to rotate again, and the detecting camera is used for carrying out secondary comprehensive detection on the automobile parts;
s7: and taking out the detected automobile parts from the detection mechanism on the blanking station one by one manually or through a mechanical arm.
The beneficial effects of the invention are as follows:
1. by arranging the detection mechanism, the invention not only can realize the continuity detection of the automobile parts and improve the detection efficiency, but also can realize the dead angle-free detection of the automobile parts, ensure the comprehensiveness of the detection of the automobile parts and the accuracy of the detection result, ensure the production quality of the automobile parts and increase the overall practicability of the automobile part detection device based on machine vision.
2. According to the invention, the anti-shaking mechanism and the driving assembly are arranged, so that the position of the automobile part can be adjusted in the use process of the detection mechanism, the automobile part is enabled to be stable in time, the automobile part is prevented from shaking, the detection effect of the automobile part is ensured, and the detection accuracy of the detection mechanism on the automobile part is improved.
Drawings
FIG. 1 shows a front view of an embodiment of the present invention;
FIG. 2 illustrates a partial structure split schematic of an embodiment of the present invention;
FIG. 3 shows a rear view of the structure of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram showing a partial structural disassembly of a detection mechanism according to an embodiment of the present invention;
FIG. 5 illustrates a bottom view of a portion of the structure of FIG. 4 in accordance with an embodiment of the present invention;
FIG. 6 is a front view of the structure of FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating the structural disassembly of FIG. 6 according to an embodiment of the present invention;
FIG. 8 is a schematic diagram showing the disassembly of the A-part structure in FIG. 7 according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing the disassembly of the B-section structure of FIG. 7 according to an embodiment of the present invention;
in the figure: 1. a base; 2. a central shaft; 3. a feeding station; 4. a turnover station; 5. a blanking station; 6. a top plate; 7. a stepping motor; 8. a belt pulley; 9. a detection mechanism; 91. a hanger plate; 92. a rotating shaft; 93. a side plate; 94. a cross plate; 95. a fixed plate; 96. a first torsion spring; 97. detecting a camera; 98. a rotating assembly; 981. a turntable; 982. a square shaft; 983. a gear; 984. a fixing ring; 985. teeth; 99. a flip assembly; 991. round pins; 992. a positioning plate; 993. a push plate; 994. a chute; 995. a convex strip; 996. a push rod; 997. a turnover plate; 10. an anti-shake mechanism; 101. a lifting disc; 102. a first spring; 103. a cross plate; 104. a movable groove; 105. a lifting rod; 106. a hanging ring; 107. a drive ring; 108. a driving groove; 109. a driving rod; 110. a fixing plate; 111. a second spring; 112. a bump; 113. a fixed shaft; 114. a driving plate; 115. a second torsion spring; 116. a drive assembly; 1161. a jacking plate; 1162. and pushing the block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
Example 1:
the invention provides an automobile part detection device based on machine vision, as shown in fig. 1 to 9, the device comprises a base 1, wherein one end of the top of the base 1 is rotationally connected with a central shaft 2, the central shaft 2 and the base 1 are concentric, a feeding station 3, a turnover station 4 and a discharging station 5 are arranged on the outer side of the central shaft 2, a top plate 6 is fixedly connected with one end of the top of the central shaft 2, the top plate 6 consists of a disc and three extension plates arranged outside the disc, a stepping motor 7 is fixedly arranged at one end of the top of the base 1, a pair of pulleys 8 which are matched with each other are arranged above the stepping motor 7, one pulley 8 is fixedly connected with an output shaft of the stepping motor 7, the other pulley 8 is fixedly sleeved outside the central shaft 2, detection mechanisms 9 capable of guaranteeing comprehensive detection of automobile parts are respectively arranged at one end of the bottom of the three extension plates in the top plate 6, and the three detection mechanisms 9 correspond to the feeding station 3, the turnover station 4 and the discharging station 5;
the detection mechanism 9 comprises two hanging plates 91, rotating shafts 92 are rotatably connected to the inner parts of the two hanging plates 91, side plates 93 are fixedly connected to opposite sides of the two rotating shafts 92, two transverse plates 94 are fixedly connected to opposite sides of the two side plates 93 together, the two transverse plates 94 and the two side plates 93 are integrally designed, the two transverse plates 94 are perpendicular to each other and are arranged in a right angle, one sides, away from each other, of the two rotating shafts 92 extend to the outer parts of the hanging plates 91 and are fixedly connected with fixed discs 95, one sides, opposite to the two fixed discs 95, of the two fixed discs 95 are fixedly connected with first torsion springs 96, one ends, opposite to the two first torsion springs 96, of the two hanging plates 91 are fixedly connected with the two hanging plates 91 respectively, the two torsion springs are movably sleeved on the outer parts of the rotating shafts 92 respectively, detection cameras 97 are fixedly mounted on opposite sides of the two hanging plates 91, the two detection cameras 97 are respectively arranged below the two rotating shafts 92, and arc through grooves matched with the detection cameras 97 are formed in the performance of the two side plates 93;
the side of the two cross plates 94 away from the side plates 93 and the top of the base 1 are provided with a rotating assembly 98;
the rotating assembly 98 comprises a rotating disc 981 which is rotationally connected inside a transverse plate 94, the rotating disc 981 consists of a disc and a convex ring which is arranged on the outer side of the disc, a circular groove which is matched with the rotating disc 981 for use is formed in the representation of the transverse plate 94, one side of the rotating disc 981, which is far away from the detection camera 97, is fixedly connected with a square shaft 982, a gear 983 is arranged on one side, which is far away from the rotating disc 981, of the square shaft 982, one end of the top of a gear 983 shaft is fixedly connected with the square shaft 982, the diameter of the gear 983 shaft is larger than the diagonal length of the square shaft 982, a fixed ring 984 is fixedly connected with one end of the top of the base 1, the fixed ring 984 is arranged between the gear 983 and the central shaft 2, two groups of teeth 985 meshed with the gear 983 are arranged on the outer side of the fixed ring 984, one group of teeth 985 is arranged between the feeding station 3 and the overturning station 4, and the other group of teeth 985 are arranged between the overturning station 4 and the discharging station 5;
a turnover assembly 99 is arranged between the hanger plate 91 and the central shaft 2;
the overturning assembly 99 comprises round pins 991 fixedly connected to one side of the fixed disc 95 far away from the hanging plate 91, the round pins 991 are arranged at eccentric positions of the fixed disc 95, positioning plates 992 are arranged on two sides of the fixed disc 95, the two positioning plates 992 are symmetrically arranged on two sides of the fixed disc 95, one side of the two positioning plates 992 is fixedly connected with one of the hanging plates 91, a push plate 993 is connected between the two positioning plates 992 in a sliding manner, a chute 994 matched with the round pins 991 is arranged on the surface of the push plate 993, one end of the round pins 991 far away from the fixed disc 95 extends to the inside of the push plate 993, a raised strip 995 is arranged on the opposite side of the positioning plates 992, the two raised strips 995 and the two positioning plates 992 are integrally designed, grooves matched with the raised strips 995 are formed in two sides of the push plate 993, a push rod 996 is fixedly connected to one end of the bottom of the push plate 993, one end of the push rod 996 is arranged into a shape, an overturning plate 997 matched with the push rod 996 is arranged between the overturning station 4 and the blanking station 5, the overturning plate 997 matched with the overturning plate 996 is arranged into an arc-shaped center shaft 997, the cross section of the overturning plate 997 is arranged between the overturning plate 997 and the arc-shaped center shaft 994 is arranged at the position of the overturning plate 994, and the arc-shaped position is arranged between the overturning plate 994 and the overturning plate and the arc-shaped position 997;
when the device is used, detected automobile parts can be manually or respectively put into the detection mechanisms 9 on the feeding stations 3 through the mechanical arms, or respectively taken down from the detection mechanisms 9 on the discharging stations 5;
placing automobile parts into a detection mechanism 9 on a feeding station 3, enabling the automobile parts to be positioned on a turntable 981, driving a group of belt pulleys 8 to rotate by using a stepping motor 7, enabling the group of belt pulleys 8 to drive a central shaft 2 to intermittently rotate by one hundred twenty degrees, enabling the central shaft 2 to drive three detection mechanisms 9 to synchronously rotate by a top plate 6, and enabling the detection mechanism 9 with the automobile parts to rotate from the feeding station 3 to a turnover station 4 and finally from the turnover station 4 to a discharging station 5;
when the detection mechanism 9 drives the automobile parts to rotate from the feeding station 3 to the overturning station 4, when the gear 983 rotates to a position meshed with one set of teeth 985, the gear 983 drives the square shaft 982 to rotate through the meshing action between the gear 983 and the set of teeth 985, so that the square shaft 982 drives the turntable 981 to synchronously rotate, the turntable 981 drives the automobile parts to synchronously rotate for at least one circle, and in the process of rotating the automobile parts, the detection camera 97 is used for collecting data of the rotating automobile parts, and further a background program is used for completing detection of the automobile parts;
when the gear 983 rotates to one side of a group of teeth 985 close to the overturning station 4 under the cooperation of the structures, at this time, the meshing effect between the group of teeth 985 and the gear 983 is released, then, the ejector rod 996 rotates to a position abutting against the overturning plate 997 along with the detection mechanism 9, in the process of continuing to rotate, the ejector rod 996 slides on the inclined plane on one side of the overturning plate 997, and the ejector plate 993 is lifted up between the two positioning plates 992, so that the ejector plate 993 pushes the round pin 991 to synchronously move up through the sliding groove 994, thereby, the fixed disc 95 is driven to rotate through the round pin 991, the rotating shaft 92 is driven to rotate counterclockwise for ninety degrees in the interior of the hanging plate 91 through the fixed disc 95, and the two first torsion springs 96 store force, so that the rotating shaft 92 drives the two transverse plates 94 to synchronously rotate counterclockwise for ninety degrees through the side plates 93, the other transverse plate 94 rotates to an angle parallel to the base 1, the transverse plate 94 on which the automobile parts are placed is rotated to an angle perpendicular to the base 1, so that the weight of one of the automobile parts 981 is driven to rotate under the action of the force of the other parts, and the rotating face of the other parts are attached to the turntable 981, and the turntable 981 is rotated;
when the detecting mechanism 9 with the automobile parts rotates from the overturning station 4 to the blanking station 5, the ejector rod 996 always slides on the top surface of the overturning plate 997 to keep the state of the automobile parts after the ninety degrees overturning, when the other gear 983 in the detecting mechanism 9 rotates to the position meshed with the other group of teeth 985, the other gear 983 drives the turntable 981 with the automobile parts to rotate at least one circle through the meshing action between the other gear 983 and the group of teeth 985 by the square shaft 982, at the moment, the two detecting cameras 97 acquire secondary data of the rotating automobile parts again in the rotating process of the automobile parts, so that the surface attached to the turntable 981 in the last detecting process, namely the detecting dead angle, completes the complete shooting and detecting of the automobile parts;
when the detection mechanism 9 rotates to the blanking station 5, the ejector rod 996 slides off from the top surface of the turnover plate 997, the turnover plate 997 and the lifting action of the ejector rod 996 are released, so that the two rotating shafts 92 drive the fixed discs 95 to reversely rotate under the reset action of the two first torsion springs 96, one of the round pins 991 of the fixed discs 95 synchronously reversely rotates, the ejector rod 996 is driven by the push plate 993 to reversely rotate for ninety degrees, the two side plates 93 are driven by the two rotating shafts 92 to reversely rotate for ninety degrees, the detection mechanism 9 which is turned by ninety degrees by the turnover assembly 99 is further turned for ninety degrees reversely, the detection mechanism 9 is reset to an original state, and finally, the automobile parts which are detected on the blanking station 5 are taken out from the detection mechanism 9 manually or by using a mechanical arm, so that dead angle-free detection of the automobile parts is completed;
in the process of detecting one of the automobile parts, when one of the detecting mechanisms 9 is intermittently rotated to the feeding station 3, a worker or a mechanical arm can continuously throw in the automobile parts to be detected into the detecting mechanism 9 on the feeding station 3, so that the continuity detection of the automobile parts is realized;
the invention has the advantages that by arranging the detection mechanism 9, not only can the continuity detection of the automobile parts be realized and the detection efficiency be improved, but also the dead angle-free detection of the automobile parts can be realized, the comprehensiveness of the detection of the automobile parts and the accuracy of the detection result are ensured, the production quality of the automobile parts is ensured, and the overall practicability of the automobile part detection device based on machine vision is increased.
As shown in fig. 1 to 9, an anti-shake mechanism 10 capable of improving the stability of parts in the detection process is arranged between a turntable 981 and a gear 983, and two driving assemblies 116 matched with the anti-shake mechanism 10 are arranged at one end of the top of the base 1;
the anti-shake mechanism 10 comprises a lifting disc 101 movably sleeved outside a square shaft 982, the lifting disc 101 is arranged between a turntable 981 and a gear 983 wheel shaft, a first spring 102 is arranged between the lifting disc 101 and the turntable 981, the first spring 102 is movably sleeved outside the square shaft 982, four cross plates 103 are uniformly and slidingly connected inside the lifting disc 101, the four cross plates 103 are uniformly arranged outside the square shaft 982 in a divergent mode, movable grooves 104 matched with the cross plates 103 are formed in the surface of the lifting disc 101, four through grooves matched with the cross plates 103 are formed in the surface of the turntable 981, one ends of the tops of the four cross plates 103 extend to the inside of the through grooves respectively, and lifting rods 105 are fixedly connected to one side, close to a central shaft 2, of the lifting disc 101;
the lifting disc 101 is fixedly connected with a lifting ring 106 at one side far away from the turntable 981, a driving ring 107 is rotationally connected to the inner side of the lifting ring 106, four driving grooves 108 are uniformly formed in the surface of the driving ring 107, driving rods 109 are slidably arranged in the four driving grooves 108, one ends of tops of the four driving rods 109 are fixedly connected with four cross plates 103 respectively, one side of the lifting disc 101 far away from the turntable 981 is uniformly and fixedly connected with four fixing plates 110, one side of the four fixing plates 110 is fixedly connected with second springs 111, the second springs 111 are arc springs, four lugs 112 are uniformly arranged at the inner side of the driving ring 107, one ends of the four second springs 111 far away from the fixing plates 110 are fixedly connected with the four lugs 112 respectively, one side of a gear 983 wheel shaft close to the central shaft 2 is provided with a fixed shaft 113, the fixed shaft 113 is fixedly connected with the bottom surface of the driving ring 107, the driving plate 114 is movably sleeved outside the fixed shaft 113, the driving plate 114 is formed by a circular ring movably sleeved outside the fixed shaft 113 and a convex plate arranged at one side of the circular ring close to the central shaft 2, the second torsion spring 115 is fixedly sleeved outside the second torsion spring 115, and the second torsion spring 115 is movably connected with the second torsion spring 107 in a sleeved mode;
the driving assembly 116 comprises a lifting plate 1161 matched with the lifting rod 105, the lifting plate 1161 is fixedly connected to one end of the top of the base 1, the cross section of the lifting plate 1161 is arc-shaped, one side of the lifting plate 1161 is provided with an inclined plane, the lifting plate 1161 is arranged between the overturning plate 997 and the fixed ring 984, and one side of the lifting plate 1161 away from the central shaft 2 is fixedly connected with a pushing block 1162 matched with the driving plate 114;
one of the drive assemblies 116 is disposed between the loading station 3 and one of the sets of teeth 985, and the other drive assembly 116 is disposed between the flipping station 4 and the other set of teeth 985;
the arc length of the push block 1162 is one half of the arc length of the lifting plate 1161, one push block 1162 is arranged on one side of one lifting plate 1161 away from the feeding station 3, and the other push block 1162 is arranged on one side of the other lifting plate 1161 away from the overturning station 4;
when the detecting mechanism 9 rotates from the feeding mechanism to the turnover mechanism, before a gear 983 in the detecting mechanism 9 is meshed with a set of teeth 985 between the feeding mechanism and the turnover mechanism, when the detecting mechanism 9 drives a lifting rod 105 to rotate above a lifting plate 1161, the lifting rod 105 drives a lifting disc 101 to move upwards outside a square shaft 982 and extrude a first spring 102 under the lifting action of a top plate 6 plate, so that the lifting disc 101 drives four cross rods to move upwards synchronously, and the four cross rods penetrate through a rotary table 981 and extend between two side plates 93, so that the four cross rods are positioned at the periphery of an automobile part to be detected;
when the lifting rod 105 continues to slide on the top surface of the lifting plate 1161, the driving plate 114 rotates to a position which is in contact with the pushing block 1162 on the outer side of the lifting plate 1161 under the cooperation of the structures, firstly, the pushing plate 993 pushes the driving plate 114 to rotate through the contact action between the driving plate 114 and the driving plate 114, so that the driving plate 114 drives the driving ring 107 to synchronously rotate through the second torsion spring 115, at the moment, the driving ring 107 drives the plurality of bumps 112 to synchronously rotate and squeeze the plurality of second springs 111, so that the driving ring 107 pushes the round pins 991 to move towards the direction close to the square shaft 982 through the driving grooves 108, thereby driving the four cross plates 103 to slide in the movable grooves 104 by utilizing the four round pins 991 and synchronously move towards the circle center of the turntable 981, and further pushing the automobile parts to be detected towards the circle center of the turntable 981 by utilizing the four cross plates 103, so as to adjust the positions of the automobile parts which are not stable after being placed, the automobile parts tend to be stable, the automobile parts are prevented from being stable, the reason that the automobile parts are in irregular shapes of the driving ring is self is avoided, the automobile parts are placed into the detection mechanism 9, the subsequent shaking phenomenon is difficult to be detected, and the phenomenon that the automobile parts are difficult to be detected in time, and the subsequent shaking phenomenon is avoided is caused by the fact that the detection is caused by the fact that the camera is difficult to be detected;
when the cross plate 103 is abutted against the outer side of the automobile part on the turntable 981, the cross plate 103 is difficult to continuously rotate towards the position of the center of the turntable 981 under the cooperation of the structures, namely, at the moment, the driving plate 114 is difficult to continuously drive the driving ring 107 to rotate through the second torsion spring 115, at the moment, the driving plate 114 overcomes the torsion force of the second torsion spring 115 under the action of continuously abutting against the push block 1162, rotates outside the fixed shaft 113 and causes the second torsion spring 115 to store the force, so that the cross plate 103 is prevented from continuously moving towards the position of the center of the turntable 981 under the cooperation of the structures, the use effect of the anti-shake mechanism 10 can be ensured, and the phenomenon that the cross plate 103 squeezes the automobile part can be avoided;
before the detection mechanism 9 drives the gear 983 to rotate to be meshed with a group of teeth 985 between the overturning station 4 and the blanking station 5, the anti-shaking mechanism 10 in the detection mechanism 9 and the driving assembly 116 between the overturning mechanism and the blanking mechanism are matched with each other again, after the automobile part is overturned for ninety degrees, the overturned automobile part is subjected to position adjustment, the automobile part is enabled to be stable in time, shaking of the automobile part is prevented, and preparation is made for detecting the automobile part again;
when the lifting rod 105 and the driving plate 114 rotate to one side of the lifting plate and the pushing block 1162, the lifting plate and the pushing block 1162 release the interference effect on the lifting rod 105 and the driving plate 114, at this time, the lifting disc 101 drives the cross plate 103 to move downwards to reset under the stretching reset effect of the first spring 102, so that the cross plate 103 moves to the lower part of the turntable 981 again, the cross plate 103 is prevented from shielding automobile parts and affecting the detection comprehensiveness of the detection camera 97 on the automobile parts, and meanwhile, the bumps 112 drive the driving ring 107 to reversely rotate and reset under the stretching reset effect of the four second springs 111, so that the driving ring 107 drives the cross plates 103 to move away from the square shaft 982 through the round pins 991, and the four cross rods are reset;
the anti-shake mechanism 10 and the driving assembly 116 are arranged, so that the position of the automobile parts can be adjusted in the use process of the detection mechanism 9, the automobile parts can be stabilized in time, the automobile parts are prevented from shaking, the detection effect of the automobile parts is ensured, and the detection accuracy of the detection mechanism 9 on the automobile parts is improved.
Example 2:
the invention also discloses a machine vision-based automobile part detection method, which comprises the following steps:
s1: the detected automobile parts are placed into the detection mechanisms 9 on the feeding station 3 one by one manually or through a mechanical arm, and a group of belt pulleys 8 are driven to rotate by using a stepping motor 7, so that the group of belt pulleys 8 drive the central shaft 2 to intermittently rotate by one hundred twenty degrees, and the central shaft 2 drives the three detection mechanisms 9 to synchronously rotate through the top plate 6;
s2: the anti-shake mechanism 10 and the driving assembly 116 are used for carrying out the first position adjustment and stabilization on the automobile parts;
s3: the rotating assembly 98 is used for driving the automobile parts to rotate, and the detecting camera 97 is used for comprehensively detecting the automobile parts for the first time;
s4: the detection mechanism 9 is rotated ninety degrees by using the turnover assembly 99, so that the detection mechanism 9 turns over the automobile parts and turns out the bottom surface which is attached to the turntable 981 before;
s5: the anti-shake mechanism 10 and the driving assembly 116 are used again to perform secondary position adjustment and stabilization on the automobile parts;
s6: the rotating assembly 98 is used again to drive the automobile parts to rotate, and the detecting camera 97 is used for carrying out second comprehensive detection on the automobile parts;
s7: and taking out the detected automobile parts from the detection mechanism 9 on the blanking station 5 one by one manually or through a mechanical arm.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (4)
1. Automobile parts detection device based on machine vision, including base (1), its characterized in that: the automatic feeding device is characterized in that a central shaft (2) is rotatably connected to one end of the top of the base (1), the central shaft (2) and the base (1) are concentrically arranged, a feeding station (3), a turnover station (4) and a discharging station (5) are arranged on the outer side of the central shaft (2), a top plate (6) is fixedly connected to one end of the top of the central shaft (2), the top plate (6) consists of a disc and three extension plates arranged outside the disc, a stepping motor (7) is fixedly arranged at one end of the top of the base (1), a pair of pulleys (8) which are matched with each other are arranged above the stepping motor (7), one pulley (8) is fixedly connected with an output shaft of the stepping motor (7), the other pulley (8) is fixedly sleeved on the outer side of the central shaft (2), detection mechanisms (9) which can ensure comprehensive detection of automobile parts are arranged at one end of the bottom of the top plate (6), and the three detection mechanisms (9) correspond to the feeding station (3), the turnover station (4) and the discharging station (5) respectively;
the detection mechanism (9) comprises two hanging plates (91), wherein the two hanging plates (91) are respectively and rotatably connected with a rotating shaft (92), one opposite sides of the two rotating shafts (92) are respectively and fixedly connected with side plates (93), one opposite sides of the two side plates (93) are respectively and fixedly connected with two transverse plates (94), the two transverse plates (94) and the two side plates (93) are integrally designed, the two transverse plates (94) are mutually perpendicular and are arranged in a right-angle shape, one far away sides of the two rotating shafts (92) are respectively and vertically extended to the outer parts of the hanging plates (91) and are fixedly connected with a fixed disc (95), one opposite sides of the two fixed discs (95) are respectively and fixedly connected with a first torsion spring (96), one opposite ends of the two first torsion springs (96) are respectively and fixedly connected with the two hanging plates (91), the two torsion springs are respectively and movably sleeved on the outer parts of the rotating shafts (92), one opposite sides of the two transverse plates (91) are respectively and fixedly provided with a detection camera (97), and the two detection cameras (97) are respectively arranged below the two rotation shafts (92) and are respectively and are matched with the two arc-shaped side plates (97);
a rotating component (98) is arranged on one side of the two transverse plates (94) far away from the side plates (93) and on the top of the base (1);
the rotary component (98) comprises a rotary table (981) which is rotationally connected inside a transverse plate (94), the rotary table (981) consists of a circular disc and a convex ring which is arranged on the outer side of the circular disc, a circular groove which is matched with the rotary table (981) is formed in the performance of the transverse plate (94), one side of the rotary table (981) away from a detection camera (97) is fixedly connected with a square shaft (982), one side of the square shaft (982) away from the rotary table (981) is provided with a gear (983), one end of the top of a gear (983) wheel shaft is fixedly connected with the square shaft (982), the diameter of the gear (983) wheel shaft is larger than the diagonal length of the square shaft (982), one end of the top of the base (1) is fixedly connected with a fixed ring (984), the fixed ring (984) is arranged between the gear (983) and the central shaft (2), two groups of teeth (985) which are meshed with the gear (983) are arranged on the outer side of the fixed ring (984), one group of the teeth (985) is arranged between the upper group of teeth (985) and the lower working position (984) and the working position (985);
a turnover assembly (99) is arranged between the hanging plate (91) and the central shaft (2);
the turnover assembly (99) comprises round pins (991) fixedly connected to one side of a fixed disc (95) far away from the hanging plate (91), the round pins (991) are arranged at eccentric positions of the fixed disc (95), positioning plates (992) are arranged on two sides of the fixed disc (95), two positioning plates (992) are symmetrically arranged on two sides of the fixed disc (95), one side of each positioning plate (992) is fixedly connected with one hanging plate (91), two positioning plates (992) are jointly connected with a push plate (993) in a sliding manner, the surfaces of the push plates (993) are provided with sliding grooves (994) matched with the round pins (991), one ends of the round pins (991) far away from the fixed disc (95) extend to the inside of the push plates (993), one side of each positioning plate (992) opposite to be provided with a convex strip (995), the two convex strips (995) and the two positioning plates (992) are integrally designed, two sides of each push plate (993) are fixedly connected with one hanging plate (91), two sides of each push plate (993) are provided with a convex strip (996) and are matched with one end (996) of each push plate (996) to be provided with one end (996), the cross section of the turnover plate (997) is arc-shaped, the position of the turnover plate (997) at the turnover station (4) is set to be an inclined plane, and the turnover plate (997) is arranged between the fixed ring (984) and the central shaft (2);
an anti-shake mechanism (10) capable of improving the stability of parts in the detection process is arranged between the turntable (981) and the gear (983), and two driving assemblies (116) matched with the anti-shake mechanism (10) are arranged at one end of the top of the base (1);
the anti-shake mechanism (10) comprises a lifting disc (101) movably sleeved outside a square shaft (982), the lifting disc (101) is arranged between a turntable (981) and a gear (983) wheel shaft, a first spring (102) is arranged between the lifting disc (101) and the turntable (981), the first spring (102) is movably sleeved outside the square shaft (982), four cross plates (103) are uniformly and slidingly connected inside the lifting disc (101), the four cross plates (103) are uniformly arranged outside the square shaft (982) in a divergent mode, movable grooves (104) matched with the cross plates (103) are formed in the surface of the lifting disc (101), four through grooves matched with the cross plates (103) are formed in the surface of the turntable (981), one ends of the tops of the four cross plates (103) extend to the inside of the through grooves respectively, and lifting rods (105) are fixedly connected to one side, close to the center shaft (2), of the lifting disc (101);
lifting disk (101) is kept away from one side fixedly connected with rings (106) of carousel (981), the inboard of rings (106) rotates and is connected with drive ring (107), four drive slot (108) have evenly been seted up to the surface of drive ring (107), four drive slot (108)'s inside all slides and is provided with actuating lever (109), four the top one end of actuating lever (109) respectively with four cross board (103) fixed connection, lifting disk (101) is kept away from one side of carousel (981) evenly fixedly connected with four fixed plates (110), four one side of fixed plate (110) is all fixedly connected with second spring (111), and second spring (111) are the arc spring, drive ring (107)'s inboard evenly is provided with four lug (112), and four lug (112) and drive ring (107) are integrated into one piece design, four one end that fixed plate (110) were kept away from respectively with four lug (112) fixed connection, one side of gear (983) center pin (2) is close to fixed axle (113) and is provided with fixed axle (113) fixed connection outside fixed axle (113), the driving plate (114) consists of a circular ring movably sleeved outside the fixed shaft (113) and a convex plate arranged on one side of the circular ring close to the central shaft (2), a second torsion spring (115) is fixedly connected between the driving plate (114) and the driving ring (107), and the second torsion spring (115) is movably sleeved outside the fixed shaft (113);
the driving assembly (116) comprises a jacking plate (1161) matched with the lifting rod (105), the jacking plate (1161) is fixedly connected to one end of the top of the base (1), the cross section of the jacking plate (1161) is arc-shaped, one side of the jacking plate (1161) is set to be an inclined plane, the jacking plate (1161) is arranged between the overturning plate (997) and the fixed ring (984), and a pushing block (1162) matched with the driving plate (114) is fixedly connected to one side, away from the central shaft (2), of the jacking plate (1161).
2. The machine vision-based automotive part inspection device of claim 1, wherein one of the drive assemblies (116) is disposed between the loading station (3) and one of the sets of teeth (985), and the other of the drive assemblies (116) is disposed between the flipping station (4) and the other set of teeth (985).
3. The machine vision-based automobile part detection device according to claim 1, wherein the arc length of the push block (1162) is one half of the arc length of the lifting plate (1161), one push block (1162) is arranged on one side of one lifting plate (1161) away from the feeding station (3), and the other push block (1162) is arranged on one side of the other lifting plate (1161) away from the overturning station (4).
4. A detection method using the machine vision-based automobile part detection apparatus according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1: the detected automobile parts are placed into detection mechanisms (9) on the feeding station (3) one by one manually or through a mechanical arm, and a group of belt pulleys (8) are driven to rotate by using a stepping motor (7), so that the group of belt pulleys (8) drive a central shaft (2) to intermittently rotate by one hundred twenty degrees, and the central shaft (2) drives three detection mechanisms (9) to synchronously rotate through a top plate (6);
s2: the anti-shake mechanism (10) and the driving component (116) are used for carrying out first-time position adjustment and stabilization on automobile parts;
s3: the rotating assembly (98) is used for driving the automobile parts to rotate, and the detecting camera (97) is used for comprehensively detecting the automobile parts for the first time;
s4: the detection mechanism (9) is rotated by ninety degrees by using the overturning assembly (99), so that the detection mechanism (9) overturns the automobile parts and the bottom surface which is attached to the turntable (981) before is overturned;
s5: the anti-shake mechanism (10) and the driving component (116) are used again to adjust and stabilize the position of the automobile parts for the second time;
s6: the rotating assembly (98) is used for driving the automobile parts to rotate again, and the detecting camera (97) is used for comprehensively detecting the automobile parts for the second time;
s7: and taking out the detected automobile parts from the detection mechanisms (9) on the blanking stations (5) one by one manually or through mechanical arms.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101479857B1 (en) * | 2013-09-05 | 2015-01-09 | 주식회사 금영테크 | Automated inspection system for automobile parts |
| CN106000934A (en) * | 2016-07-16 | 2016-10-12 | 宾兴 | Cleaning and appearance detecting machine and detecting technology thereof |
| CN113433355A (en) * | 2021-07-05 | 2021-09-24 | 太仓英太思机械有限公司 | Multi-dimensional electrical property detection platform for automobile parts and working method thereof |
| CN114813764A (en) * | 2022-06-01 | 2022-07-29 | 广东美卡智能信息技术有限公司 | Cell-phone accessory visual detection equipment |
| CN116068359A (en) * | 2023-03-21 | 2023-05-05 | 常州九天新能源科技股份有限公司 | Full-automatic photovoltaic diode module testing equipment with linkage visual detection module |
-
2023
- 2023-08-03 CN CN202310967667.8A patent/CN116698839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101479857B1 (en) * | 2013-09-05 | 2015-01-09 | 주식회사 금영테크 | Automated inspection system for automobile parts |
| CN106000934A (en) * | 2016-07-16 | 2016-10-12 | 宾兴 | Cleaning and appearance detecting machine and detecting technology thereof |
| CN113433355A (en) * | 2021-07-05 | 2021-09-24 | 太仓英太思机械有限公司 | Multi-dimensional electrical property detection platform for automobile parts and working method thereof |
| CN114813764A (en) * | 2022-06-01 | 2022-07-29 | 广东美卡智能信息技术有限公司 | Cell-phone accessory visual detection equipment |
| CN116068359A (en) * | 2023-03-21 | 2023-05-05 | 常州九天新能源科技股份有限公司 | Full-automatic photovoltaic diode module testing equipment with linkage visual detection module |
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