CN207850296U - A kind of wheel hub classification detection device - Google Patents
A kind of wheel hub classification detection device Download PDFInfo
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- CN207850296U CN207850296U CN201820295508.2U CN201820295508U CN207850296U CN 207850296 U CN207850296 U CN 207850296U CN 201820295508 U CN201820295508 U CN 201820295508U CN 207850296 U CN207850296 U CN 207850296U
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- wheel hub
- light source
- cabinet
- detection device
- area array
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Abstract
The utility model provides a kind of wheel hub classification detection device, including visual detection equipment, the visual detection equipment includes light source, area array cameras, section material framework, cabinet, the section material framework is arranged in cabinet, the light source and area array cameras are installed on section material framework, the light source includes upper light source and lower light source, and the upper light source uniform irradiation cabinet inner top surface irradiates wheel hub in a manner of diffusing reflection, and the lower light source uniform irradiation cabinet medial surface irradiates wheel hub in a manner of diffusing reflection.The unique distribution of light sources of the utility model and radiation modality can more clearly irradiate checking matter wheel hub, and wheel hub allows certain position offset when shooting, can shoot during the motion without stopping line.In addition, the specific hub type identification when present apparatus shares one or more transport platform for Multiple Type wheel hub, the specific processing mode such as sorted, processed to specific model wheel hub convenient for transport platform, it is stable, recognition result is reliable, power consumption is relatively low.
Description
Technical field
The utility model is related to hub type identification and detection technique fields, and in particular to a kind of wheel hub classification detection dress
It sets.
Background technology
With the raising year by year of Global Auto yield, correspondingly the wheel hub market demand is also rapidly increasing, the country 80%
Automotive hub is by casting, and wheel hub made of casting is finished, and the wheel hub produced by mix flow exists
If production efficiency will be improved by carrying out correct divide to its type when reprocessing.Automotive hub enterprise knows in automotive hub type at present
Other and context of detection, takes the mode of manual identified.However manual identified efficiency is low, accuracy rate is low, of high cost, worker's labour is negative
Lotus is larger, and the various aspects reason such as the visual fatigue of generation and the speed of hub production line causes erroneous judgement situation to occur often, often
Production requirement cannot be met.The Chinese utility model patent of Publication No. CN106382889A discloses a kind of wheel hub type identification
Detecting system realizes the adaptive adjustment to different size wheel hub by sensor and slide unit, then handles skill using visual pattern
Art extracts the characteristic information of wheel hub, quick obtaining wheel hub type information is compared with database data, while to wheel hub die casting
Or the key position size after forging forming carries out vision-based detection, to solve the automatic classification of hub cast and wheel in the prior art
The problem that efficiency is low in hub appearance and size detection process, stability is poor.However vision-based detection be by a simple light source from
Surface is aimed downwardly wheel hub, then carries out Image Acquisition to wheel hub by industrial camera, since hub surface has polishing, positive polishing
If have bloom, be unfavorable for detecting.
Utility model content
The technical problems to be solved in the utility model is to solve to acquire image when wheel hub appearance and size detection in the prior art
There is defect reflective, by spoke burr interference effect and the necessary face hub centre of light source.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：A kind of wheel hub classification detection dress
It sets, including visual detection equipment, which is characterized in that the visual detection equipment includes light source, area array cameras, section material framework, machine
Cabinet, the section material framework are arranged in cabinet, and the light source and area array cameras are installed on section material framework, and the light source includes upper
Light source and lower light source, the upper light source uniform irradiation cabinet inner top surface irradiate wheel hub in a manner of diffusing reflection, and the lower light source is uniform
Irradiation cabinet medial surface irradiates wheel hub in a manner of diffusing reflection.
Further, the light source is white strip source, and the cabinet inner top surface and medial surface are coated with white wrinkle varnish.
Further, the visual detection equipment further includes the measurement grating being arranged on section material framework and triggering photoelectric transfer
Sensor.
Further, the measurement grating is staggered form grating.
Further, the visual detection equipment further includes the electric mounting board being arranged on section material framework, described electrical
Mounting plate includes PLC controller and vision-based detection analysis module, shown PLC controller respectively with triggering photoelectric sensor, face battle array
Camera and the electrical connection of vision-based detection analysis module, the vision-based detection analysis module are electrically connected with measurement grating and area array cameras respectively
It connects.
Further, further include wheel hub transport platform, the area array cameras is adjustable relative to the height of wheel hub transport platform.
The utility model has the beneficial effects that：The utility model will light source up and down be distributed, by irradiate cabinet inner top surface and
Medial surface simultaneously irradiates wheel hub in a manner of irreflexive, takes distribution of light sources unique in this way and radiation modality can evenly clearly
Checking matter wheel hub is irradiated, will not be by reflective or spoke burr interference effect, and wheel hub can allow certain position when shooting
Offset is set, clear and uniform irradiation also allows wheel hub to shoot during the motion, without stopping line.In addition, the present apparatus is for more
Kind of model wheel hub shares specific hub type identification when one or more transport platform, convenient for transport platform to specific model wheel hub into
The specific processing modes such as row sorting, processing, it is stable, recognition result is reliable, power consumption is relatively low.
Description of the drawings
Fig. 1 is the utility model embodiment wheel hub classification detection device schematic diagram；
Fig. 2 (a) -2 (b) is the utility model embodiment visual detection equipment internal structure schematic diagram；
Fig. 3 is the connection diagram between each module in the utility model embodiment wheel hub type detection device；
Fig. 4 is the work flow diagram of the detection wheel hub classification of the utility model embodiment wheel hub classification detection device.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, are integrally connected, can also be detachably to connect
It connects；It can be the connection inside two elements；It can be directly connected, it can also indirectly connected through an intermediary, for this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figure 1, a kind of wheel hub classification detection device of the present embodiment, including wheel hub transport platform 1 and vision-based detection are set
Standby 2, visual detection equipment 2 includes cabinet and the bottom frame 3 that is set to below cabinet, cabinet be equipped with keyboard and mouse 4, maintenance door 5,
Display screen 6, tri coloured lantern 7 and wheel hub pass in and out door curtain 8, each serve as system interaction input, electrical service, status display, extremely alert
Show, stop the functions such as environment shadow sound.
It is illustrated in figure 22 internal structure schematic diagram of the present embodiment visual detection equipment, including the proximate matter being arranged in cabinet
Frame 14, and the light source 11, area array cameras 12 and the electric mounting board 13 that are installed on section material framework 14.
Since hub surface has polishing, bloom is had if positive polishing, is unfavorable for detecting.Light source 11 in the utility model
For white strip source, light source 11 is scattered in upper light source and lower light source, upper light source there are four in the present embodiment, parallel and uniform
It is arranged close on two holders at 14 top of section material framework, is shone in the form of irreflexive by the inner top surface of uniform irradiation cabinet
Penetrate wheel hub；Lower light source also has four, is respectively arranged on four holders of 14 4 sides of section material framework, passes through uniform irradiation machine
Four medial surfaces of cabinet irradiate wheel hub in the form of irreflexive, and this diffusing reflection form illumination can make different light-reflecting properties
Wheel hub or the wheel hub after polished, reflected light can uniformly be received by camera.In order to improve diffusing reflection effect,
Cabinet inner surface is coated with white wrinkle varnish.In practical assembly line, the wheel hub of different-diameter, trigger position has difference, different
The difference of position can cause the optical reflective characteristics that distort or influence, present apparatus distribution of light sources in this way and radiation modality to remove
It can more clearly irradiate outside checking matter wheel hub, wheel hub also allows certain position offset when shooting.It, can be with through measuring
Hub positions are allowed to differ 12% each up and down within sweep of the eye, i.e. wheel hub can go up bottom left in the visual field that camera is taken pictures
Right avertence moves 100mm（±10cm）, allow hub centre and camera shooting central region misaligned.Light source is clear and uniformly irradiates
Also wheel hub is allowed to shoot during the motion, does not have to fixed point shooting, without stopping line.
Visual detection equipment 2 further includes the triggering photoelectric sensor 9 being arranged on section material framework 14 and measurement grating 10.It touches
The electric transducer 9 that shines is a kind of reflection sensor, and transmitter and receiver are packed into the same device, one is filled in front of it
Block reflector 16 is completed the photoelectric sensor of photo-electric control effect using principle of reflection, can detect that whether there is or not close objects.This
Reflector 16 is fixed on cabinet side by bolt in embodiment in utility model, and photoelectric sensor 9 is corresponding is fixed on machine for triggering
The other side of cabinet.Measure grating 10 be a kind of special photoelectric sensor, including be separated from each other and transmitter staggered relatively and
Light receiving device two parts, but its appearance and size is larger, is elongated tubular.The detection light that transmitter generates along its length give birth to by determining deviation
It at light array, is formed one " light curtain ", in a manner of a kind of scanning, realizes monitoring and measure the function of object appearance and size.
Receiver and the corresponding both sides being fixed in cabinet of transmitter of grating are measured, checking matter wheel hub can be accurately when passing through
Calculate the height of wheel hub.The utility model uses staggered form grating, can preferably improve and survey on the basis of run-in index grating
Measure the precision of wheel hub.
Area array cameras 12 can be black and white camera, and camera interface is C-terminal, resolution ratio 1920*1200；Lens interface is C-terminal,
Focal length is 6mm.Camera is mounted on section bar support, and the height of camera distance transport platform, root can be adjusted by up and down adjustment proximate matter
According to maximum hub diameter and viewing field of camera angle, it may be determined that camera optimum altitude, and it is fixed on the center of cabinet.
It is illustrated in figure 3 the connection diagram between each module in the present embodiment wheel hub type detection device.Electrical installation
Plate 13 include PLC controller and vision-based detection analysis module, PLC controller respectively with triggering photoelectric sensor 9, area array cameras 12
It is electrically connected with vision-based detection analysis module, vision-based detection analysis module is electrically connected with measurement grating 9 and area array cameras 12 respectively.
The workflow of the detection wheel hub classification of the present embodiment wheel hub classification detection device is as shown in figure 4, include following step
Suddenly：
S1, starter：Start wheel hub classification detection device, adjusts area array cameras height；
S2, image obtain：When trigger sensor senses that wheel hub passes through, sent to the PLC controller of electric mounting board
Wheel hub entering signal, PLC controller determine that area array cameras is triggered when wheel hub enters station and reaches within the scope of viewing field of camera takes pictures,
Area array cameras is clapped the wheel hub upper surface image and to be sent to vision-based detection analysis module；
S3, elevation carrection：When wheel hub is located at predetermined trigger position, measures grating and calculate wheel hub by way of scanning
Height and be sent to vision-based detection analysis module；
S4, type identifier：Vision-based detection analysis module by the image clapped carry out size selection, image preprocessing,
The feature extraction of wheel hub key position simultaneously carries out judgement identification in conjunction with altitude information to the affiliated model of wheel hub, and result is sent to
PLC controller；
S5, wheel hub classification：PLC controller sends hub type to external system, by external control system control wheel hub tool
Body channel is moved towards, and the classification to the wheel hub is completed.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this practicality
Within novel protection domain.
Claims (6)
1. a kind of wheel hub classification detection device, including visual detection equipment, which is characterized in that the visual detection equipment includes light
Source, area array cameras, section material framework, cabinet, the section material framework are arranged in cabinet, and the light source and area array cameras are installed on type
On material frame, the light source includes upper light source and lower light source, and the upper light source uniform irradiation cabinet inner top surface is in a manner of diffusing reflection
Wheel hub is irradiated, the lower light source uniform irradiation cabinet medial surface irradiates wheel hub in a manner of diffusing reflection.
2. a kind of wheel hub classification detection device described in accordance with the claim 1, which is characterized in that the light source is white strip light
Source, the cabinet inner top surface and medial surface are coated with white wrinkle varnish.
3. a kind of wheel hub classification detection device described in accordance with the claim 1, which is characterized in that the visual detection equipment is also wrapped
Include the measurement grating being arranged on section material framework and triggering photoelectric sensor.
4. a kind of wheel hub classification detection device described in accordance with the claim 3, which is characterized in that the measurement grating is staggered form
Grating.
5. according to a kind of wheel hub classification detection device described in claim 1-4 any one, which is characterized in that the vision inspection
Measurement equipment further includes the electric mounting board being arranged on section material framework, and the electric mounting board includes PLC controller and vision inspection
Analysis module is surveyed, the PLC controller is electrically connected with triggering photoelectric sensor, area array cameras and vision-based detection analysis module respectively
It connects, the vision-based detection analysis module is electrically connected with measurement grating and area array cameras respectively.
6. a kind of wheel hub classification detection device according to claim 5, which is characterized in that further include wheel hub transport platform, institute
The height that area array cameras is stated relative to wheel hub transport platform is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820295508.2U CN207850296U (en) | 2018-03-03 | 2018-03-03 | A kind of wheel hub classification detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820295508.2U CN207850296U (en) | 2018-03-03 | 2018-03-03 | A kind of wheel hub classification detection device |
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| Publication Number | Publication Date |
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| CN207850296U true CN207850296U (en) | 2018-09-11 |
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| CN201820295508.2U Active CN207850296U (en) | 2018-03-03 | 2018-03-03 | A kind of wheel hub classification detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387177A (en) * | 2018-03-03 | 2018-08-10 | 杭州利珀科技有限公司 | A kind of wheel hub classification detection device and detection method |
| CN109916911A (en) * | 2019-03-27 | 2019-06-21 | 上海工程技术大学 | A kind of wheel hub quality detection apparatus based on machine vision |
| CN116642829A (en) * | 2023-07-26 | 2023-08-25 | 合肥金星智控科技股份有限公司 | Steel pipe end face detection device and method |
-
2018
- 2018-03-03 CN CN201820295508.2U patent/CN207850296U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387177A (en) * | 2018-03-03 | 2018-08-10 | 杭州利珀科技有限公司 | A kind of wheel hub classification detection device and detection method |
| CN109916911A (en) * | 2019-03-27 | 2019-06-21 | 上海工程技术大学 | A kind of wheel hub quality detection apparatus based on machine vision |
| CN116642829A (en) * | 2023-07-26 | 2023-08-25 | 合肥金星智控科技股份有限公司 | Steel pipe end face detection device and method |
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