CN108672318A - A kind of appearance delection device based on machine vision - Google Patents
A kind of appearance delection device based on machine vision Download PDFInfo
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- CN108672318A CN108672318A CN201810341587.0A CN201810341587A CN108672318A CN 108672318 A CN108672318 A CN 108672318A CN 201810341587 A CN201810341587 A CN 201810341587A CN 108672318 A CN108672318 A CN 108672318A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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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
- G01N21/88—Investigating the presence of flaws or contamination
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- Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention relates to magnetic shoe appearance detection fields, and in particular to a kind of appearance delection device based on machine vision.A kind of appearance delection device based on machine vision, including：Feeding device, the feeding device are used to workpiece being delivered to detection line；Detection line sets gradually in the detection line and is detected to six faces of workpiece there are six detection station, and each detection station is provided with vision inspection apparatus, and vision inspection apparatus is detected the surface of workpiece；And blanking device, the blanking device according to testing result to after detection qualified workpiece and unqualified workpiece distinguish blanking.Illumination imaging effect can be influenced each other when solving the stereochemical structure existing in the prior art to magnetic shoe and carry out six-face detection device setting centralized detecting device and cause equipment volume huge, and detect on different sides.
Description
Technical field
The present invention relates to magnetic shoe appearance detection fields, and in particular to a kind of appearance delection device based on machine vision.
Background technology
Magnetic shoe is in a kind of permanent magnet, is the tiles magnet being used primarily on magneto, effect be replace excitation around
Group generates magnetic field, is the important composition component of magneto, is widely used in industrial circles such as automobile, household electrical appliances, electric tools, needs
The amount of asking is huge.The quality of magnetic shoe quality has a great impact to the performance of magneto.In exported product, or even have because a
Other magnetic shoe is unqualified and leads to the risk returned goods by the gross, therefore sorts out unqualified magnetic shoe with very important economic value.
The production process of magnetic shoe mainly has Preburning material preparation, powder processed, molding, sintering, mill processing, examines several steps of grading
Suddenly, several factors can all cause magnetic shoe defect occur.Magnetic shoe is all real in production processes such as compression moulding, sintering and mill processing
Existing full-automatic production.But due to due to magnetic shoe type specification it is various, size and shape is widely different, and detection faces are more, and yield is very
Height, productive temp quickly, can reach 120 in 1 minute, in addition magnetic shoe defect kind itself it is very much (including crackle, collapse rotten, chamfering,
Owe mill, play grade, collapse rotten, grade, interlayer and spot etc.), magnetic shoe detection difficulty and workload are very big, cause to exist to magnetic shoe functionization
The development of line automatic checkout equipment is so far all there are no substantive progress is obtained, and magnetic shoe manufacturer all goes back all the time
Be detected with artificial visual based on.The method of artificial detection is uniformly to be laid in magnetic shoe material in magazine, is placed under light,
It observes by the naked eye, is therefrom picking, then face overturning detection in turn again.This method is time-consuming and laborious, and accuracy of detection is not
Height, rhythm is too slow, labor intensity is larger.Since labor intensity is big, quality control is subjected to an examination this artificial visual detection method
The human factors such as personnel's technology, experience, the state of mind and working environment are affected, and detection efficiency is low, flase drop and omission factor
It is higher and unstable；Simultaneously as magnetic shoe is in irregular shape, yield is big, and critical size also is difficult to manually carry out full inspection, no
Out-of-size magnetic shoe can be rejected, grading and classification cannot be carried out to magnetic shoe to increase economic efficiency.
Vision system exactly replaces human eye to measure and judge with machine, in detection defect and prevents faulty goods quilt
There is immeasurable value in terms of being dispensed into the function of consumer.In the appearance detection of magnetic shoe, vision-based detection can be introduced
System.But magnetic shoe is a kind of tiles structure, and how to be detected to six faces of magnetic shoe using vision system is one prodigious
Problem.Application No. is the applications of CN201621281893.2 to disclose a kind of automatic visual detection for the detection of six face of babinet
Equipment, and specifically disclose：It is set to the turntable on pedestal including pedestal and rotation, further includes：Product on turntable is fixed
Jig, two side vision detection components for being located at turntable opposite sides, the top surface vision-based detection group at the top of turntable
Part, the bottom surface vision-based detection component positioned at turntable bottom, the blanking assembly line positioned at turntable side, linking in blanking assembly line with
Blanking mechanical hand between turntable.Blanking is carried out by manipulator, is examined by the way that multiple visions are arranged in each orientation of turntable
Component is surveyed to realize to the detection of six faces of babinet, such component concentrated setting, device it is bulky, and different sides are regarded
It may be affected one another when feeling detection, and later stage not easy care.
Invention content
Six-face detection device setting centralized detecting is carried out in order to solve the stereochemical structure existing in the prior art to magnetic shoe
Device causes equipment volume huge, and can influence when detecting different sides to illuminate imaging effect each other, and the present invention proposes one
Kind is to feel appearance delection device based on machine, to realize that the presentation quality to magnetic shoe carries out vision-based detection.The technology of the present invention
Scheme is as follows：
A kind of appearance delection device based on machine vision, including：Feeding device, the feeding device are used for workpiece is defeated
It send to detection line；Detection line sets gradually in the detection line and is detected to six faces of workpiece there are six detection station, often
A detection station is provided with vision inspection apparatus, and vision inspection apparatus is detected the surface of workpiece；And blanking device, it is described
Blanking device according to testing result to after detection qualified workpiece and unqualified workpiece distinguish blanking.
Further, the feeding device is vibration feeding disk.
Further, the detection line includes transmitting device and vision inspection apparatus, and the transmitting device is used for transmission work
For part to each detection station, the vision inspection apparatus includes lighting device, imaging device and host computer, and the lighting device is used
In providing light source, the imaging device is imaged workpiece, and imaging results are delivered to host computer, the host computer according to
Imaging results are detected the presentation quality of workpiece.
Further, the transmitting device includes the first span line, the second span line and third span line being sequentially communicated,
First span line and second span line are mutually perpendicular to, and second span line and the third span line mutually hang down
Directly, the first detection station is located on the first span line, the second detection station, third detection station, the 4th detection station and the 5th
Detection station is located on the second span line, and the 6th detection station is located on third span line, between adjacent two detection stations
Transmitting device on be provided with for workpiece carry out turn-over turn-over mechanism, the both sides of the transmitting device are provided with protection
Plate.
Further, the turn-over mechanism includes the first turn-over mechanism, and first turn-over mechanism is arranged described first
Between detection station and the second detection station, first turn-over mechanism includes connecting plate and the first blowning installation, the connection
Plate is inclined between the first span line and the second span line, first span line be higher than the second span line, described first
Blowning installation is blown towards workpiece so that workpiece is kept upright.
Further, the turn-over mechanism further includes the second turn-over mechanism, and second detection station and third detect work
Between position, between the third detection station and the 4th detection station and the 4th detection station and the 5th detection station it
Between be both provided with the second turn-over mechanism, second turn-over mechanism includes block piece, and the block piece, which is arranged, detects work at two
On protective plate between position, and the block piece is arranged close to the conveyor surface of conveying device.
Further, the turn-over mechanism further includes third turn-over mechanism, and the third turn-over mechanism setting is in the 5th inspection
It surveys between station and the 6th detection station, the third turn-over mechanism includes the second blowning installation, second blowning installation position
In the intersection of the second span line and third span line, second blowning installation makes workpiece turn-over towards workpiece air blowing.
Further, the head end of each span line is both provided with the photoelectricity for incuding the piece count on corresponding span line
Sensor is both provided with the station sensor for incuding workpiece, second detection station, third inspection at each detection station
It surveys at station, the 4th detection station and the 5th detection station and is both provided with the positioning device positioned to workpiece.
Further, the lighting device and imaging device are respectively positioned on the surface of transmitting device, the lighting device packet
Annular light source is included, the lighting device positioned at the first detection station and the 6th detection station further includes strip source, the ring light
Source is located at the top of strip source, and the strip source is multiple, and the multiple strip source is uniformly distributed.
Further, linear conveying device, the straight line conveying dress are additionally provided between the feeding device and detection line
Set the first span line vertical connection with detection line, the junction of the linear conveying device and the first span line is provided with third
Blowning installation, the third blowning installation will blow to the first span line of detection line positioned at the workpiece of linear conveying device end.
Based on the above-mentioned technical proposal, the technique effect achieved by the present invention is：
1. the appearance delection device of the present invention can be used for carrying out vision to six outer surfaces of this three-dimensional workpiece of magnetic shoe
Detection realizes that the complete detection to workpiece, six detection stations are set gradually along the transport path of conveying device, between mutual
At a certain distance, imaging will not have an impact each other；
2. the turn-over mechanism in the conveying device and conveying device of detection line is rationally arranged in the appearance delection device of the present invention,
Turn-over can automatically be carried out to workpiece, to be detected faced next after the vision-based detection for carrying out a face to workpiece in this way
To vision inspection apparatus, convenient next face to be detected to workpiece carries out vision-based detection, whole process automation, without artificial behaviour
Make；And the turn-over mechanism in the present invention is simple in structure, and it is at low cost, it maintains easily；
3. to be detected face of the magnetic shoe in the appearance delection device of the present invention at each detection station is upward, vision inspection
The surface that device is respectively positioned on magnetic shoe is surveyed, ensures that the detection angles of each detection faces are the same, the accuracy higher of detection；To
Annular light source and strip source is arranged simultaneously in the lighting device of one detection station and the 6th detection station, so combines the knot of magnetic shoe
Structure feature is detected negative camber and positive camber in the first detection station and the 6th detection station, because of negative camber and outcurve
Face is not plane, and magnetic shoe will produce reflective, add strip source can be to avoid reflective, and enhance illuminance of viewing field, is arranged such pair
It can also be detected in other workpiece there are two relative surface；
4. the head end of each span line of the appearance delection device of the present invention is provided with photoelectric sensor to incude workpiece
Position, and the transmission speed of controlling transmission device, when can accurately insure that workpiece motion s to detection station, vision inspection apparatus
It is detected, fitness is high；
5. the blanking device of the present invention according to the testing result of appearance delection device to qualified workpiece and unqualified workpiece into
Row blanking respectively, is directly sieved, and completeness is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the appearance delection device based on machine vision of the present invention；
Fig. 2 is the vertical view of the appearance delection device based on machine vision of the present invention；
Fig. 3 is the structural schematic diagram of the detection line of the appearance delection device of the present invention；
Fig. 4 is the vertical view of the transmitting device of the detection line of the appearance delection device of the present invention；
Fig. 5 is the stereogram of the transmitting device of the detection line of the appearance delection device of the present invention；
Fig. 6 is the structure of the first detection station of the appearance delection device of the present invention and the lighting device of the second detection station
Schematic diagram；
Fig. 7 is the structural schematic diagram of the blanking device of the appearance delection device of the present invention；
In figure：1- feeding devices；2- detection lines；21- transmitting devices；The first span lines of 211-；The second span lines of 212-；
213- third span lines；22- vision inspection apparatus；221- lighting devices；2211- annular light sources；2212- strip sources；222-
Imaging device；The first photoelectric sensors of 23-；The second photoelectric sensors of 24-；25- third photoelectric sensors；26- connecting plates；27-
Positioning device；28- block pieces；3- blanking devices；31- blanking channels；The first blanking channels of 311-；The second blanking channels of 312-；
32- pushers；The 4th photoelectric sensors of 33-；34- stock guides；4- linear conveying devices；5- supporting tables；6- supporting racks；7- works
Part；The first detection stations of A-；The second detection stations of B-；C- third detection stations；The 4th detection stations of D-；E- the 5th detects work
Position；The 6th detection stations of F-.
Specific implementation mode
Present disclosure is further described with reference to the accompanying drawings of the specification.
As shown in figs. 1-7, a kind of appearance delection device based on machine vision is present embodiments provided, including：Feeding fills
1, detection line 2 and blanking device 3 are set, feeding device 1 is used to workpiece being delivered to detection line 2；It is disposed with six in detection line 2
A detection station to carry out appearance quality detection to six faces of workpiece 7, and the workpiece 7 come in detection line 2 is fed sequentially into
Six detection stations are detected come six faces to workpiece 7, and the end of detection line 2 is connected to blanking device 3, blanking device 3
Blanking respectively is carried out to workpiece 7 according to the testing result of detection line 2.
Feeding device 1 is used for 7 rule of workpiece, is fitly delivered to detection line 2.Preferably, feeding device 1 is in vibration
Workpiece 7 can in an orderly manner be arranged and be come out by charging tray.Feeding device 1 is connected to the head end of detection line 2.
Detection line 2 is used to carry out appearance detection to six outer surfaces of workpiece 7.Detection line 2 includes transmitting device 21 and regards
Feel that detection device 22, transmitting device 21 are arranged in supporting table 5, transmitting device 21 is used to workpiece 7 being transmitted to each station, depending on
Feel that detection device 22 is used to carry out appearance detection to a certain outer surface of the workpiece 7 in each station.Transmitting device 21 includes
The first span line 211, the second span line 212 and the third span line 213 being sequentially communicated.Specifically, the end of the first span line 211
The head end of end and the second span line 212 communicates, and the end of the second span line 212 and the head end of third span line 213 communicate.It is preferred that
Ground, each span line extend straight, and the first span line 211 and the second span line 212 are mutually perpendicular to, the second span line 212
It is mutually perpendicular to third span line 213.Preferably, transmitting device 21 is belt transport, the first span line 211, the second span line
212 and third span line 213 be all made of belt conveyor and be transmitted, the both sides of transmitting device 21 are both provided with protective plate, protect
Card workpiece 7 steadily transmits on a moving belt, does not fall off.
Six detection stations are distributed on three span lines, specifically, six detection stations include the first detection station A,
Second detection station B, third detection station C, the 4th detection station D, the 5th detection station E and the 6th detection station F.Wherein,
First detection station A is located on the first span line 211, the second detection station B, third detection station C, the 4th detection station D and
5th detection station E is sequentially located on the second span line 212, and the 6th detection station F is located on third span line 213.Adjacent
The turn-over mechanism for carrying out turn-over to workpiece 7 is provided on transmitting device 21 between two detection stations.
Turn-over mechanism includes the first turn-over mechanism, the second turn-over mechanism and third turn-over mechanism, wherein the first turn-over mechanism
Between the first detection station A and the second detection station B, it is preferable that the first turn-over mechanism is located at the first span line 211 and
The level height of the junction of two span lines 212, the first span line 211 is higher than the second span line 212.First turn-over mechanism includes
Connecting plate 26 and the first blowning installation (not shown), connecting plate 26 are obliquely installed, connect the first span line 211 end and
The head end of second span line 212, it is preferable that the angle between connecting plate 26 and horizontal plane is 60 degree.Workpiece 7 is by the first span line
211 are transmitted to the end of the first span line 211, slide into the second span line 212 diagonally downward along connecting plate 26, at this time workpiece 7
Top lean against on connecting plate 26, the first blowning installation is blown towards workpiece 7, and workpiece 7 is upright under the air blast effect of gas
Get up, completes turn-over.Between second detection station B and third detection station C, third detection station C and the 4th detection station D it
Between, be respectively provided between the 4th detection station D and the 5th detection station E and between the 5th detection station E and the 6th detection station F
There is the second turn-over mechanism.Specifically, multiple second turn-over mechanisms are arranged on the second span line 212, the second turn-over mechanism packet
Block piece 28 is included, block piece 28 is arranged close to the conveyor surface of the second span line 212, it is preferable that the setting of block piece 28 is passed second
On defeated section 212 of protective plate, one end of block piece 28 reaches the top of conveyor surface, and the height of block piece 28 is set as being located at workpiece
7 lower position.When workpiece 7 is located on the second span line 212, workpiece 7 moves under the induced effect of transmission belt, works as workpiece
Block piece 28 is encountered in 7 lower end, and block piece 28 is to 7 lower end of workpiece one and transmits tape motion direction opposite effect power, in this way,
Under the comprehensive function of inertial force and resistance, the direction of motion of the upper end edge transmission belt of workpiece 7 is overturn, and is realized to workpiece 7
Turn-over.Third turn-over mechanism is between the 5th detection station E and the 6th detection station F, specifically, third turn-over mechanism position
After the second turn-over mechanism between five detection station E and the 6th detection station F.Third turn-over mechanism includes that the second air blowing fills
(not shown) is set, the second blowning installation is located at the intersection of the second span line and third span line, the second blowning installation edge
The extending direction of third span line is blown towards workpiece 7.When workpiece 7 moves to the end of the second span line, second, which blows, fills
It sets towards workpiece 7 and blows, workpiece 7 swings to third span line 213 under the action of the second blowning installation, completes turn-over.
Further, the head end of each span line is both provided with the photoelectricity for incuding the piece count on corresponding span line
Sensor, specifically, the head end of the first span line 211 are provided with the first photoelectric sensor 23, and the head end of the second span line 212 is set
It is equipped with the second photoelectric sensor 24, the head end of third span line 213 is provided with third photoelectric sensor 25.By in each transmission
Photoelectric sensor is arranged in section conveniently accurately to count the piece count on corresponding span line, is not likely to produce careless mistake.Often
It is both provided with the station sensor for incuding workpiece at one detection station, is sensed by the way that station is arranged in each detection station
Device, when workpiece 7 is transmitted to detection station, the station sensor of corresponding detection station senses workpiece, triggers vision inspection apparatus
The surface of 22 pairs of workpiece 7 is detected.Second detection station B, third detection station C, the detection works of the 4th detection station D and the 5th
It is both provided with the positioning device 27 positioned to workpiece at the E of position, positioning device 27 positions to facilitate vision to examine workpiece
It surveys device 22 and vision-based detection is carried out to workpiece.Preferably, positioning device 27 is positioning cylinder, when needing to position to workpiece
When, workpiece is resisted against on protective plate by the telescopic end stretching of positioning cylinder, realizes short time positioning.Specifically, positioning cylinder is pacified
Mounted in the side of the second span line 212, the telescopic end of positioning cylinder resists workpiece by the protective plate of 212 side of the second span line
7, workpiece 7 is resisted against on the protective plate of the other side, after completing positioning, the telescopic end of positioning cylinder is retracted.
Vision inspection apparatus 22 is for being detected the surface quality of the workpiece 7 at station, each detection station
It is both provided with vision inspection apparatus 22.Vision inspection apparatus 22 includes lighting device 221, imaging device 222 and host computer (in figure
It is not shown).Wherein lighting device 221 and imaging device 222 are located at the surface of transmitting device 21.Specifically, lighting device 221
The surface of each station on transmitting device 21 is set by supporting rack 6, and supporting rack 6 is arranged in supporting table 5, the illumination
Device 221 is used to carry out polishing to the one side of workpiece 7 upward.Through-hole, imaging device are provided at the center of lighting device 221
222 are located at the surface of the through-hole of lighting device 221, to being imaged on one side for 7 direction of workpiece, it is preferable that the imaging dress
It is camera to set 222.Collected imaging results are transmitted to host computer by imaging device 222, host computer according to the result of acquisition come
Judge whether the presentation quality of workpiece 7 is qualified.Preferably, in order to cost-effective, host computer can only have one, six detection works
The imaging device 222 of position is connect with a host computer signal.Since the workpiece 7 of the application is magnetic shoe, in conjunction with the appearance of magnetic shoe
Features of shape, can be arranged the first detection station A and the 6th detection station F to detect two curved surfaces up and down of magnetic shoe, and second
Detection station B, third detection station C, the 4th detection station D and the 5th detection station E detect 4 side surfaces of magnetic shoe, because
The lighting device of detection station is reasonably arranged in this.The illumination dress of first detection station A and the 6th detection station F is set
It includes annular light source 2211 and strip source 2212 to set 221.Strip source 2212 is located at the lower section of annular light source 2211, strip light
Source 2212 be it is multiple and be uniformly distributed centered on the center line of through-hole, obliquely from above under towards magnetic shoe polishing, prevent magnetic shoe
The reflective influence imaging effect of curved surface.Preferably strip source 2212 is 4.Second detection station B, third detection station are set
C, the lighting device 221 of the 4th detection station D and the 5th detection station E includes annular light source 2211.
Blanking device 3 is communicated with the end of the third span line 213 of transmitting device 21, for the workpiece 7 after detection into
Row blanking.Blanking device 3 includes blanking channel 31, pusher 32 and stock guide 34, and blanking channel 31 is logical including the first blanking
Road 311 and the second blanking channel 312, under being carried out respectively to qualified workpiece and unqualified workpiece by two blanking channels of setting
Material.Preferably, the first blanking channel 311 and the second blanking channel 312 are arranged in parallel, and the first blanking channel 311 is used for qualification
Workpiece carries out blanking, and the second blanking channel 312 carries out blanking to unqualified workpiece.It is further preferred that the first blanking channel 311
It is directly communicated with the end of the third span line 213 of transmitting device 21, the two of the end of the third span line 213 of transmitting device 21
Side, which is respectively perpendicular, is provided with stock guide 34 and pusher 32, and the end of stock guide 34 is communicated with the second blanking channel 312, when having
When unqualified workpiece, PC control pusher 32 works, and pusher 32 is by unqualified workpiece from third span line 213
End is shifted onto on stock guide 34, and reaches the second blanking channel 312 by stock guide 34, passes through 312 blanking of the second blanking channel；
Qualified products directly reach 311 blanking of the first blanking channel by the end of third span line 213.Blanking device 3 further includes
Four photoelectric sensors 33, the 4th photoelectric sensor 33 are arranged in the end of stock guide 34, for the quantity to substandard product into
Row counts.
The appearance delection device of the present invention further includes linear feeding device 4, and linear feeding device 4 is arranged in feeding device 1
Between detection line 2, the workpiece 7 that feeding device 1 exports is reached through linear conveying device 4 in detection line 2.It is defeated by the way that straight line is arranged
Device 4 is sent, the kinetic energy for the workpiece 7 that feeding device 1 exports is improved, is entered in detection line 2 with ensureing 7 stable law of workpiece.It is excellent
First span line 212 of selection of land, linear feeding device 4 and detection line 2 is vertically arranged, and the end of linear feeding device 4 is provided with
Third blowning installation (not shown), the blowing direction of third blowning installation are perpendicular to linear conveying device 4 and towards inspection
First span line 211 of survey line 2.
Preferably, workpiece 7 is the three-dimensional workpiece with six sided structures, is preferably magnetic shoe in the present invention.Preferably, in order to protect
Appearance delection device is protected, shell can be set outside appearance delection device, device is protected.
Based on the above-mentioned technical proposal, the operation principle of the appearance delection device of the invention based on machine vision is：Magnetic shoe
Enter linear conveying device 4 through feeding device 1, moves to work of the magnetic shoe in third blowning installation of 4 end of linear conveying device
Come the first span line 211 of detection line under, the first span line 211 transmits magnetic shoe to the first detection station A, at this time magnetic shoe
Outcurve is face-up, and the station sensor of the first detection station A senses that magnetic shoe, triggering imaging device 222 are beaten in lighting device 221
The positive camber of magnetic shoe is imaged in the case of light, and imaging results are transmitted to host computer；
Magnetic shoe leaves the end that the first detection station A moves to the first span line 211, and first is completed through the first turn-over mechanism
Secondary turn-over, upward, magnetic shoe moves to the second detection station B through the transmission of the second span line 212 for the first of magnetic shoe side at this time, the
The station sensor of two detection station B senses that magnetic shoe, triggering imaging device 222 are right in the case of 221 polishing of lighting device
First side of magnetic shoe is imaged, and imaging results are transmitted to host computer；
Magnetic shoe leaves the second detection station B, through the second turnover machine between the second detection station B and third detection station C
Structure completes second of turn-over, and upward, magnetic shoe moves to third through the transmission of the second span line 212 and examines for the second of magnetic shoe side at this time
Station C is surveyed, the station sensor of third detection station C senses magnetic shoe, and triggering imaging device 222 is in 221 polishing of lighting device
In the case of second side of magnetic shoe is imaged, and imaging results are transmitted to host computer；
Magnetic shoe leaves third detection station C, through the second turnover machine between third detection station C and the 4th detection station D
Structure completes third time turn-over, and upward, magnetic shoe moves to the 4th inspection through the transmission of the second span line 212 for the third side of magnetic shoe at this time
The station sensor for surveying station D, the 4th detection station D senses magnetic shoe, and triggering imaging device 222 is in 221 polishing of lighting device
In the case of the third side of magnetic shoe is imaged, and imaging results are transmitted to host computer；
Magnetic shoe leaves the 4th detection station D, through the second turnover machine between the 4th detection station D and the 5th detection station E
Structure completes the 4th turn-over, and upward, magnetic shoe moves to the 5th inspection through the transmission of the second span line 212 for the 4th of magnetic shoe side at this time
The station sensor for surveying station E, the 5th detection station E senses magnetic shoe, and triggering imaging device 222 is in 221 polishing of lighting device
In the case of the 4th side of magnetic shoe is imaged, and imaging results are transmitted to host computer；
Magnetic shoe leaves the 5th detection station E, through the second turnover machine between the 5th detection station E and the 6th detection station F
Structure completes the 5th turn-over, and upward, magnetic shoe moves to the end of the second span line 212 for the first of magnetic shoe side at this time, through
The air blowing of second blowning installation of three turn-over mechanisms acts on, and magnetic shoe falls down towards third span line 213, at this time the negative camber of magnetic shoe
Upward, turn-over is completed, magnetic shoe moves to the 6th detection station F by third span line 213, and the station of the 6th detection station F passes
Sensor senses magnetic shoe, triggering imaging device 222 in the case of 221 polishing of lighting device to the negative camber of magnetic shoe carry out at
Picture, and imaging results are transmitted to host computer；
Host computer judges whether the presentation quality of magnetic shoe is qualified by imaging results, and controls the work of pusher 32, if
The presentation quality of magnetic shoe is qualified, then magnetic shoe directly enters the first blanking channel 311 by the end of third span line；If magnetic shoe
Presentation quality it is unqualified, then pusher 32 pushes magnetic shoe to stock guide 34, passes through stock guide 34 and reaches the second blanking channel
312。
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be in the premise for not departing from spirit of the invention
Under make a variety of changes.
Claims (10)
1. a kind of appearance delection device based on machine vision, which is characterized in that including：
Feeding device (1), the feeding device (1) are used to workpiece (7) being delivered to detection line (2)；
Detection line (2) sets gradually on the detection line (2) and is detected to six faces of workpiece (7) there are six detection station,
Each detection station is provided with vision inspection apparatus (22), and vision inspection apparatus (22) is detected the surface of workpiece (7)；
With
Blanking device (3), the blanking device (3) is according to testing result to the qualified workpiece and unqualified workpiece difference after detection
Blanking.
2. a kind of appearance delection device based on machine vision as described in claim 1, which is characterized in that the feeding device
(1) it is vibration feeding disk.
3. a kind of appearance delection device based on machine vision as described in claim 1, which is characterized in that the detection line
(2) include transmitting device (21) and vision inspection apparatus (22), the transmitting device (21) is used for transmission workpiece (7) to each inspection
Station is surveyed, the vision inspection apparatus (22) includes lighting device (221), imaging device (222) and host computer, the illumination dress
(221) are set for providing light source, the imaging device (222) is imaged workpiece (7), and imaging results is delivered to upper
Machine, the host computer are detected the presentation quality of workpiece (7) according to imaging results.
4. a kind of appearance delection device based on machine vision as claimed in claim 3, which is characterized in that the transmitting device
(21) include the first span line (211), the second span line (212) and third span line (213) being sequentially communicated, described first passes
Defeated section (211) and second span line (212) are mutually perpendicular to, second span line (212) and the third span line
(213) it is mutually perpendicular to, the first detection station (A) is located on the first span line (211), and the second detection station (B), third detect work
Position (C), the 4th detection station (D) and the 5th detection station (E) are located on the second span line (212), the 6th position detection station (F)
In on third span line (213), be provided on the transmitting device (21) between adjacent two detection stations for workpiece into
The both sides of the turn-over mechanism of row turn-over, the transmitting device (21) are provided with protective plate.
5. a kind of appearance delection device based on machine vision as claimed in claim 4, which is characterized in that the turn-over mechanism
Including the first turn-over mechanism, first turn-over mechanism setting first detection station (A) and the second detection station (B) it
Between, first turn-over mechanism includes connecting plate (26) and the first blowning installation, and the connecting plate (26) is inclined at first
Between span line (211) and the second span line (212), first span line (211) is higher than the second span line (212), described
First blowning installation is blown towards workpiece (7) so that workpiece (7) is kept upright.
6. a kind of appearance delection device based on machine vision as claimed in claim 5, which is characterized in that the turn-over mechanism
Further include the second turn-over mechanism, between second detection station (B) and third detection station (C), the third detection station
(C) it is both provided between the 4th detection station (D) and between the 4th detection station (D) and the 5th detection station (E)
Second turn-over mechanism, second turn-over mechanism include block piece (28), and the block piece (28) is arranged in two detection stations
Between protective plate on, and the block piece (28) close to conveying device (21) conveyor surface be arranged.
7. a kind of appearance delection device based on machine vision as claimed in claim 6, which is characterized in that the turn-over mechanism
Further include third turn-over mechanism, third turn-over mechanism setting the 5th detection station (E) and the 6th detection station (F) it
Between, the third turn-over mechanism includes the second blowning installation, and second blowning installation is located at the second span line (212) and third
The intersection of span line (213), second blowning installation make workpiece (7) turn-over towards workpiece (7) air blowing.
8. such as a kind of appearance delection device based on machine vision of claim 3-7 any one of them, which is characterized in that each
The head end of span line is both provided with the photoelectric sensor for incuding the piece count on corresponding span line, at each detection station
It is both provided with the station sensor for incuding workpiece, second detection station (B), third detection station (C), the 4th detection
It is both provided with the positioning device (27) positioned to workpiece (7) at station (D) and the 5th detection station (E).
9. such as a kind of appearance delection device based on machine vision of claim 3-8 any one of them, which is characterized in that described
Lighting device (221) and imaging device (222) are respectively positioned on the surface of transmitting device (21), and the lighting device (221) includes
Annular light source (2211), the lighting device (221) for being located at the first detection station (A) and the 6th detection station (F) further includes bar shaped
Light source (2212), the annular light source (2211) are located at the top of strip source (2212), and the strip source (2212) is more
A, multiple strip sources (2212) are uniformly distributed.
10. such as a kind of appearance delection device based on machine vision of claim 1-9 any one of them, which is characterized in that institute
It states and is additionally provided with linear conveying device (4) between feeding device (1) and detection line (2), the linear conveying device (4) and detection
The junction of the first span line (211) vertical connection of line (2), the linear conveying device (4) and the first span line (211) is set
It is equipped with third blowning installation, the workpiece (7) for being located at linear conveying device (4) end is blowed to detection line by the third blowning installation
(2) the first span line (211).
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| CN109813721A (en) * | 2019-01-30 | 2019-05-28 | 广东利元亨智能装备股份有限公司 | Visual detection device and appearance detection equipment |
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| CN114018815A (en) * | 2021-11-28 | 2022-02-08 | 苏州市德智电子有限公司 | Six outward appearance detecting system of AI visual image |
| CN114705685A (en) * | 2022-01-30 | 2022-07-05 | 中信云网有限公司 | AI visual detection method and system based on deep learning and readable storage medium |
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