CN217766111U - Automobile door trim appearance detection device - Google Patents
Automobile door trim appearance detection device Download PDFInfo
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- CN217766111U CN217766111U CN202220166835.4U CN202220166835U CN217766111U CN 217766111 U CN217766111 U CN 217766111U CN 202220166835 U CN202220166835 U CN 202220166835U CN 217766111 U CN217766111 U CN 217766111U
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Abstract
The utility model relates to an auto-parts detection area, in particular to car door trim outward appearance detection device. The detection device comprises a slope foreign matter detection mechanism, a ridge position detection mechanism and a slope concave-convex detection mechanism, wherein the slope foreign matter detection mechanism, the ridge position detection mechanism and the slope concave-convex detection mechanism are sequentially arranged along the conveying direction of the door decoration strips to be detected, and the slope foreign matter detection mechanism, the ridge position detection mechanism and the slope concave-convex detection mechanism are used for monitoring the passing door decoration strips to be detected in real time through an image acquisition device. Aiming at detecting the defects of dirt, scratches and the like of the slope surface of the door trim strip, a customized optical device is adopted to perform profiling surface imaging, and the slope surface defects are captured in a fly-shooting mode, so that the detection rate is improved; aiming at the abnormal condition of the door trim, the ridge of the door trim is detected by adopting a customized optical device, dynamic detection and high-efficiency detection in a video streaming mode; aiming at weak pit deformation of the slope surface of the door trim, the method adopts a customized optical device, dynamic detection and a video stream mode and stripe interference mode to carry out high-efficiency detection.
Description
Technical Field
The utility model relates to an auto-parts detection area, in particular to car door trim outward appearance detection device.
Background
At present, high-end automobile decorative strips are all stainless steel products, the surfaces of the high-end automobile decorative strips have mirror reflection effects, and only manual visual inspection can be carried out at present, and due to the fact that defects relate to surface dirt, scratches, pits and the like and are randomly distributed on curved surfaces of the decorative strips, the problems that manual visual inspection is omitted, detection efficiency is low and the like are caused, and defective products flow into a subsequent process.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automobile door trim outward appearance detection device aims at solving artifical detection efficiency low, the high problem of defective rate.
The utility model provides an automobile door trim outward appearance detection device, include the slope foreign matter detection mechanism that detects defects such as dirty, the mar of door trim slope, carry out the spine detection mechanism that detects to door trim spine defect, carry out the domatic unsmooth detection mechanism that detects to the domatic unsmooth defect of door trim, slope foreign matter detection mechanism, spine detection mechanism, domatic unsmooth detection mechanism are arranged along the direction of transfer of the door trim that awaits measuring in proper order, slope foreign matter detection mechanism, spine detection mechanism, domatic unsmooth detection mechanism pass through the door trim that awaits measuring of image acquisition equipment real-time supervision process.
As a further improvement, slope foreign matter detection mechanism includes slope detection support, left domatic collection camera, the domatic collection camera in the right side, left domatic light source, the domatic light source in the right side, slope detection support spanes in the door trim direction of transfer that awaits measuring, left domatic collection camera in a left side, the domatic collection camera in the right side, left domatic light source, the domatic light source in the right side are fixed in slope support upper end, left domatic collection camera in a left side, the left domatic light source aim at the left side slope of the door trim that awaits measuring, the domatic collection camera in the right side, the right domatic light source aim at the right side slope of the door trim that awaits measuring.
As a further improvement, slope foreign matter detection mechanism includes camera support, first light source support, camera support one end is fixed on detecting the support, its other end is articulated with left domatic collection camera or right domatic collection camera, first light source support one end is fixed on detecting the support, its other end is articulated with left domatic light source or right domatic light source.
As a further improvement, the left side domatic collection camera, the right side domatic collection camera are the dynamic CCD camera of high resolution, left side domatic light source, right side domatic light source are the profile modeling light source that AND gate trim slope is imitative.
As a further improvement, the spine detection mechanism comprises a spine detection support, a spine collection camera, a spine light source, a camera turntable and a light source turntable, the spine detection support is fixed above the conveying direction of the door decoration strip to be detected, the camera turntable and the light source turntable are respectively and rotationally connected on the detection support, the spine collection camera is fixed on the camera turntable, and the spine light source is fixed on the light source turntable.
As a further improvement of the present invention, the ridge position collecting camera is a high-speed dynamic CCD camera, and the ridge position light source is a high-brightness vector linear light source.
As a further improvement, domatic unsmooth detection mechanism includes domatic unsmooth detection support, domatic unsmooth collection camera, acquisition lens, domatic unsmooth collection light source, domatic unsmooth detection support spanes on the door trim conveying direction that awaits measuring, domatic unsmooth collection camera, domatic unsmooth collection light source are connected on domatic unsmooth detection support, acquisition lens connects in domatic unsmooth collection camera below and aims at the door trim that awaits measuring.
As a further improvement, domatic unsmooth detection mechanism includes the second light source support, second light source support one end is fixed on domatic unsmooth detection support, its other end is articulated with domatic unsmooth collection light source, the angle of domatic unsmooth collection light source adjustment on the second light source support is aimed at the wainscot trim.
As a further improvement, the domatic unsmooth collection camera is high resolution developments CCD camera, the collection camera lens is big depth of field camera lens, domatic unsmooth collection light source is the stripe light source.
The utility model has the advantages that: aiming at detecting the defects of dirt, scratches and the like of the slope surface of the door trim strip, a customized optical device is adopted to carry out copying surface imaging, and the defects of the slope surface are captured in a flying shooting mode, so that the detection rate and the detection efficiency are improved; aiming at the abnormal condition of the door trim, the ridge of the door trim is detected by adopting a customized optical device, dynamic detection and high-efficiency detection in a video streaming mode; aiming at the weak pit deformation of the slope surface of the door trim, the high-efficiency detection is carried out by adopting a customized optical device, dynamic detection and a video stream mode and stripe interference mode.
Drawings
Fig. 1 is a top view of the overall structure of an appearance inspection device for an automobile door trim of the present invention;
FIG. 2 is a structural diagram of the mechanism for detecting foreign matters on a slope surface according to the present invention;
fig. 3 is a front view of the structure of the mechanism for detecting foreign matters on a slope surface of the present invention;
FIG. 4 is a structural diagram of the spine detection mechanism of the present invention;
FIG. 5 is a structural diagram of the concave-convex detecting mechanism for a middle slope surface of the present invention;
fig. 6 is a front view of the structure of the concave-convex detecting mechanism for the middle slope surface of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
The utility model relates to a be used for stainless steel automobile door trim appearance imperfections to detect. As shown in fig. 1 to 6, the utility model discloses an automobile door trim outward appearance detection device, include that it is dirty to door trim slope, slope foreign matter detection mechanism 2 that defects such as mar carry out the detection, carry out the spine detection mechanism 3 that detects to door trim spine defect, carry out domatic unsmooth detection mechanism 4 that detects to the domatic unsmooth defect of door trim, slope foreign matter detection mechanism 2, spine detection mechanism 3, domatic unsmooth detection mechanism 4 is arranged along the direction of delivery of the door trim that awaits measuring in proper order, slope foreign matter detection mechanism 2, spine detection mechanism 3, the door trim that awaits measuring that domatic unsmooth detection mechanism 4 passes through image acquisition equipment real-time supervision process.
The detection device further comprises a feeding guide rail 1 and a feeding sliding block for placing the door trim strip to be detected, wherein the feeding sliding block is connected to the feeding guide rail 1 in a sliding mode, and the feeding sliding block sequentially passes through a slope foreign matter detection mechanism 2, a ridge position detection mechanism 3 and a slope concave-convex detection mechanism 4 along the feeding guide rail.
In putting into the conveying carrier in order with door trim product after the artifical dyestripping, equipment conveys the product by oneself and gets into and detects the worker station, and door trim product is placed on the pay-off slider on detecting the worker station, passes through slope foreign matter detection mechanism 2, ridge position detection mechanism 3, domatic unsmooth detection mechanism 4 in proper order through pay-off guide rail 1 and carries out the outward appearance detection to door trim slope, ridge position, domatic.
As shown in fig. 2 and 3, the slope foreign matter detection mechanism 2 comprises a slope detection support 21, a left slope collection camera 22, a right slope collection camera 23, a left slope light source 24, a right slope light source 25, the slope detection support 21 stretches across the conveying direction of the door trim to be detected, the left slope collection camera 22, the right slope collection camera 23, the left slope light source 24, the right slope light source 25 are fixed at the upper end of the slope support 21, the left slope collection camera 22, the left slope light source 24 is aligned with the left slope of the door trim to be detected, the right slope collection camera 23, the right slope light source 25 is aligned with the right slope of the door trim to be detected. The left slope surface acquisition camera 22 and the left slope surface light source 24 form a detection module for the left slope surface of the door trim plate, the left slope surface light source 24 provides illumination, and the left slope surface acquisition camera 22 provides an image acquisition function and monitors the passing door trim plate to be detected in real time; the right slope surface acquisition camera 23 and the right slope surface light source 25 form a detection module for the left slope surface of the door trim plate, the right slope surface light source 25 provides illumination, and the right slope surface acquisition camera 23 provides an image acquisition function and monitors the door trim plate to be detected passing through in real time. The slope detection bracket 21 has a sufficient height for image acquisition, and the acquisition area can cover the slope of the door trim.
Slope foreign matter detection mechanism includes camera support 26, first light source support 27, and camera support 26 one end is fixed on detecting support 21, and its other end is articulated with left slope collection camera 22 or right slope collection camera 23, and first light source support 27 one end is fixed on detecting support 21, and its other end is articulated with left slope light source 24 or right slope light source 25. The angle of the left slope collecting camera 22 or the right slope collecting camera 23 on the camera support 26 can be adjusted to achieve the best image sampling effect, and the angle of the left slope light source 24 or the right slope light source 25 on the first light source support 27 can be adjusted to achieve the best illumination effect.
The left slope surface collecting camera 22 and the right slope surface collecting camera 23 are high-resolution dynamic CCD cameras, and the left slope surface light source 24 and the right slope surface light source 25 are copying light sources similar to the slope surfaces of the door trim strips.
The method is characterized in that the defects of dirt and scratches on the slope surface are detected, real-time detection is carried out by adopting an optical scheme of high parallelism of profile modeling, and the slope surface acquisition camera and the slope surface light source which can adjust the angle are effectively compatible with the change of the slope surface of the product and the change of the whole radian of the product due to the morphological characteristics of the product.
As shown in fig. 4, the spine detection mechanism 3 includes a spine detection support 31, a spine collection camera 32, a spine light source 33, a camera turntable 34, and a light source turntable 35, the spine detection support 31 is fixed above the conveying direction of the door trim to be detected, the camera turntable 34 and the light source turntable 35 are respectively rotatably connected to the detection support 31, the spine collection camera 32 is fixed on the camera turntable 34, and the spine light source 33 is fixed on the light source turntable 35. The ridge position collection camera 32 is a high-speed dynamic CCD camera, and the ridge position light source 33 is a high-brightness vector linear light source. The angle of the spine acquisition camera 32 on the detection bracket 31 can be adjusted through the camera turntable 34 to achieve the optimal image sampling effect; the angle of the ridge light source 33 on the detection bracket 31 can be adjusted through the light source turntable 35 to achieve the best illumination effect.
The ridge defect detection mechanism detects the concave-convex change of the ridge in real time, adopts a high-brightness vector linear light source to perform accurate imaging, and is matched with a high-speed dynamic CCD to perform video stream detection.
As shown in fig. 5 and 6, the slope concave-convex detection mechanism 4 includes a slope concave-convex detection support 41, a slope concave-convex collection camera 42, a collection lens, and a slope concave-convex collection light source 43, the slope concave-convex detection support 41 spans over the conveying direction of the door molding to be detected, the slope concave-convex collection camera 42 and the slope concave-convex collection light source 43 are connected to the slope concave-convex detection support 41, and the collection lens is connected below the slope concave-convex collection camera 42 and aligned to the door molding to be detected.
The slope concave-convex detection mechanism 4 comprises a second light source support 44, one end of the second light source support 44 is fixed on the slope concave-convex detection support 41, the other end of the second light source support is hinged with a slope concave-convex acquisition light source 43, and the slope concave-convex acquisition light source 43 is adjusted in angle on the second light source support 44 and is aligned to the door trim. The angle of the slope concave-convex collecting light source 43 on the second light source support 44 can be adjusted to achieve the best lighting effect.
The slope concave-convex collecting camera 42 is a high-resolution dynamic CCD camera, the collecting lens is a large depth-of-field lens, and the slope concave-convex collecting light source 43 is a stripe light source.
The slope surface depression detection mechanism adopts a large-depth-of-field customized lens, a stripe light source can be penetrated through customization, and high-resolution dynamic CCD performs flying shooting, grabbing and detection.
The operation process of the device comprises the following steps:
s1, placing a plurality of door trim panels to be detected on a feeding slide block, and sequentially passing through a slope foreign matter detection mechanism 2, a ridge detection mechanism 3 and a slope concave-convex detection mechanism 4 along a guide rail;
the step S1 further includes:
s11, in the slope foreign matter detection mechanism, adjusting the angles of a left slope light source 24 and a right slope light source 25 on a first light source bracket 27, adjusting the angles of a left slope collection camera 22 and a right slope collection camera 23 on a camera bracket 26, and aligning the left slope and the right slope of the door trim to be detected;
s12, in the ridge position detection mechanism 3, rotating the camera rotating disc 34 and the light source rotating disc 35 to enable the ridge position acquisition camera 32 and the ridge position light source 33 to be aligned to the ridge position of the door decoration strip to be detected;
and S13, in the slope concave-convex detection mechanism 4, adjusting the angle of the slope concave-convex acquisition light source 43 on the second light source support 44 to align to the slope of the door trim to be detected.
S2, in the slope foreign matter detection mechanism 2, the left slope light source 24 and the right slope light source 25 respectively irradiate the left slope surface and the right slope surface of the door trim strip to be detected, the left slope surface acquisition camera 22 and the right slope surface acquisition camera 23 acquire images of the left slope surface and the right slope surface of the door trim strip to be detected in real time, the acquired images are compared with qualified images of the door trim strip in a gray scale mode, if abnormal gray scale regions appear in the acquired images, it is judged that foreign matters exist on the slope surface of the door trim strip to be detected, and information is fed back.
S3, in the ridge position detection mechanism 3, the ridge position light source 33 irradiates the ridge position of the door decorative strip to be detected, the ridge position collection camera 32 carries out video stream detection on the passing door decorative strip to be detected, and if the ridge position shape of the door decorative strip is different from that of other door decorative strips in the video stream, the ridge position of the door decorative strip is judged to have concave-convex defects, and information is fed back.
S4, in the slope surface concave-convex detection mechanism 4, the slope surface concave-convex acquisition light source 43 is used for acquiring the slope surface of the door decoration strip to be detected, the slope surface concave-convex acquisition camera 42 is used for carrying out video stream detection on the passing door decoration strip to be detected through the acquisition lens, and if the slope surface shape of the door decoration strip is different from that of other door decoration strips in the video stream, the fact that concave-convex defects exist on the slope surface of the door decoration strip is judged, and information is fed back.
The conventional optical scheme for detecting the concave-convex defects at the ridge positions of the door trim strips cannot be achieved, and the optical scheme is special for special stations, so that the concave-convex defects at the ridge positions of the door trim strips can be effectively and quickly detected by the appearance detection scheme for the door trim strips; under whole radian of door trim and domatic radian mutual interference, the unable accuracy of conventional optics scheme detects domatic unsmooth, and this door trim outward appearance detection scheme is through customization transmissible stripe optical imaging, and high depth of field developments CCD carries out the developments and snatchs, can effectively detect domatic unsmooth defect at a high speed.
The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides an automobile door trim outward appearance detection device, its characterized in that includes and carries out the slope foreign matter detection mechanism that detects to dirty, the mar defect in door trim slope, carries out the spine detection mechanism that detects to door trim spine defect, carries out the unsmooth detection mechanism of domatic unsmooth defect of detecting to the domatic unsmooth defect of door trim, slope foreign matter detection mechanism, spine detection mechanism, the unsmooth detection mechanism of domatic are arranged along the direction of delivery of the door trim that awaits measuring in proper order, slope foreign matter detection mechanism, spine detection mechanism, the unsmooth detection mechanism of domatic pass through the door trim that awaits measuring of image acquisition equipment real-time supervision process.
2. The automobile door trim appearance inspection device of claim 1, wherein the slope foreign matter inspection mechanism comprises a slope inspection bracket, a left slope acquisition camera, a right slope acquisition camera, a left slope light source, and a right slope light source, the slope inspection bracket spans in the conveying direction of the door trim to be inspected, the left slope acquisition camera, the right slope acquisition camera, the left slope light source, and the right slope light source are fixed on the upper end of the slope bracket, the left slope acquisition camera, the left slope light source are aligned with the left slope of the door trim to be inspected, and the right slope acquisition camera, the right slope light source are aligned with the right slope of the door trim to be inspected.
3. The automobile door trim appearance inspection device of claim 2, wherein the slope foreign matter inspection mechanism comprises a camera bracket and a first light source bracket, one end of the camera bracket is fixed on the inspection bracket, the other end of the camera bracket is hinged with the left slope surface acquisition camera or the right slope surface acquisition camera, one end of the first light source bracket is fixed on the inspection bracket, and the other end of the first light source bracket is hinged with the left slope surface light source or the right slope surface light source.
4. The apparatus according to claim 2, wherein the left and right slope capturing cameras are high-resolution dynamic CCD cameras, and the left and right slope light sources are profiling light sources similar to the slope of the door trim.
5. The appearance inspection device for the automobile door trim strip according to claim 1, wherein the ridge detection mechanism comprises a ridge detection bracket, a ridge collection camera, a ridge light source, a camera turntable, and a light source turntable, the ridge detection bracket is fixed above the conveying direction of the door trim strip to be inspected, the camera turntable and the light source turntable are respectively rotatably connected to the detection bracket, the ridge collection camera is fixed on the camera turntable, and the ridge light source is fixed on the light source turntable.
6. The automobile door trim appearance inspection device of claim 5, wherein the ridge position collection camera is a high-speed dynamic CCD camera, and the ridge position light source is a high-brightness vector linear light source.
7. The automobile door trim appearance detection device according to claim 1, wherein the slope unevenness detection mechanism includes a slope unevenness detection bracket, a slope unevenness collection camera, a collection lens, and a slope unevenness collection light source, the slope unevenness detection bracket spans in a conveying direction of the door trim to be detected, the slope unevenness collection camera and the slope unevenness collection light source are connected to the slope unevenness detection bracket, and the collection lens is connected below the slope unevenness collection camera and aligned with the door trim to be detected.
8. The apparatus according to claim 7, wherein the slope unevenness detecting mechanism includes a second light source bracket, one end of the second light source bracket is fixed to the slope unevenness detecting bracket, and the other end of the second light source bracket is hinged to the slope unevenness collecting light source, and the slope unevenness collecting light source is adjusted to be at an angle on the second light source bracket and directed to the waiting door trim.
9. The automobile door trim appearance inspection device of claim 7, wherein the slope surface concave-convex collecting camera is a high-resolution dynamic CCD camera, the collecting lens is a large depth-of-field lens, and the slope surface concave-convex collecting light source is a stripe light source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220166835.4U CN217766111U (en) | 2022-01-20 | 2022-01-20 | Automobile door trim appearance detection device |
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| CN202220166835.4U CN217766111U (en) | 2022-01-20 | 2022-01-20 | Automobile door trim appearance detection device |
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| CN217766111U true CN217766111U (en) | 2022-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486929A (en) * | 2022-01-20 | 2022-05-13 | 深圳佳视德智能科技有限公司 | Method and device for detecting appearance of automobile door trim |
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2022
- 2022-01-20 CN CN202220166835.4U patent/CN217766111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486929A (en) * | 2022-01-20 | 2022-05-13 | 深圳佳视德智能科技有限公司 | Method and device for detecting appearance of automobile door trim |
| CN114486929B (en) * | 2022-01-20 | 2024-02-02 | 深圳佳视德智能科技有限公司 | Automobile door trim appearance detection method and device |
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