CN211478039U - Wheel hub appearance defect detection device - Google Patents
Wheel hub appearance defect detection device Download PDFInfo
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- CN211478039U CN211478039U CN201921629604.7U CN201921629604U CN211478039U CN 211478039 U CN211478039 U CN 211478039U CN 201921629604 U CN201921629604 U CN 201921629604U CN 211478039 U CN211478039 U CN 211478039U
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- wheel hub
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- appearance defect
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Abstract
The utility model discloses a wheel hub appearance imperfections detection device, including examining test table and examine the support that sets up on the test table, the support includes the stand, the stand has four, four the stand divide into two sets of corresponding settings respectively and is in examine test table's both sides, and four highly being higher than of stand examine test table's height, still include image acquisition mechanism, fixture and industry PC, the beneficial effects of the utility model are that: simple structure can carry out all-round detection to wheel hub, and the inspector is through observing the deformation of grating in the testing process that visualizes to judge wheel hub surface defect's existence, the check-up efficiency is high, and the probability of leaking to examine is low, can realize automaticly.
Description
Technical Field
The utility model belongs to the technical field of the detection technique and specifically relates to a wheel hub appearance imperfections detection device is related to.
Background
The machining precision of the vehicle hub is directly related to the safety and comfort of the vehicle when the vehicle runs at high speed, and the hub surface precision is an important parameter for evaluating the quality of the hub.
At present, a three-coordinate measuring machine is generally adopted to complete the measurement of precision, but the three-coordinate measuring machine is difficult to popularize due to the high price and high requirements on environment and operators.
Chinese patent application No. 201120387493.0 discloses a hub detection system including a support, a surrounding directional light source, a diffuse light source, a camera, a computer processor and a workpiece stage; surround directional light source and locate the support periphery, diffuse light source locates support top and direction down, the support top is located to the camera and the direction is down, camera data output end is connected with computer processor data output end electricity, computer processor control signal output end and the control signal input end that surrounds directional light source, diffuse light source's control signal input end machine camera control signal input end is equallyd divide and is do not connected electrically, the camera below is arranged in to the work piece platform, work piece platform horizontal position height is less than the horizontal position height that surrounds directional light source. This patent discloses a wheel hub detecting system can not carry out omnidirectional detection to wheel hub when detecting wheel hub, and detection efficiency is lower, and the probability of missing to examine is high, can not realize automaticly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel hub appearance imperfections detection device.
In order to achieve the above object, the present invention provides a technical solution:
the utility model provides a wheel hub appearance imperfections detection device, including examining test table and examine the support that sets up on the test table, the support includes the stand, the stand has four, four the stand divide into two sets ofly to correspond the setting respectively and is in examine the both sides of test table, and four the height of stand is higher than examine the height of test table, still include image acquisition mechanism, fixture and industry PC.
The image acquisition mechanism comprises first slide rails arranged on the tops of the stand columns on the same side, first slide bars arranged between the first slide rails, a high-speed industrial camera and a linear grating net emission source which are arranged in parallel below the middle of the first slide bars, and a first driving device arranged above the middle of the first slide bars, wherein the first slide bars are driven by the first driving device, and the detection platform is arranged below the high-speed industrial camera and the linear grating net emission source.
The fixture includes examine second slide rail, homonymy that the platform homonymy set up between the adjacent both sides face of stand the second slide bar that sets up between the second slide rail, the second drive arrangement that second slide bar middle part outside set up the telescopic link that second slide bar middle part inboard set up and the holding head that sets up on the telescopic link, the second slide bar and the telescopic link by the drive of second drive arrangement.
The telescopic link with the clamping head fixed connection, the telescopic link is in can realizing flexible and rotatory under second drive arrangement's drive, be equipped with the centre gripping pad on the clamping head.
The clamping pad is a rubber clamping pad.
The detection table is provided with a conveying mechanism, the conveying mechanism comprises a conveying belt arranged on the upper portion of the detection table and a servo motor arranged on the lower portion of the detection table, and the conveying belt is driven by the servo motor.
The high-speed industrial camera, the linear grating net emission source, the first driving device, the second driving device and the servo motor are electrically connected with the industrial PC, and the industrial PC is provided with an alarm.
The utility model has the advantages that:
simple structure can carry out all-round detection to wheel hub, and the inspector is through observing the deformation of grating in the testing process that visualizes to judge wheel hub surface defect's existence, the check-up efficiency is high, and the probability of leaking to examine is low, can realize automaticly.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a flow chart of the present invention.
In the figure: 1. a detection table; 2. a support; 3. a column; 4. an image acquisition mechanism; 5. a clamping mechanism; 6. Industrial PC; 7. a first slide rail; 8. a first slide bar; 9. a high-speed industrial camera; 10. a linear grating network emission source; 11. a first driving device; 12. a second slide rail; 13. a second slide bar; 14. a second driving device; 15. a telescopic rod; 16. a clamping head; 17. a clamping pad; 18. a transport mechanism; 19. a conveyor belt; 20. a servo motor; 21. an alarm; 22. wheel hub to be inspected.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings,
the utility model provides a wheel hub appearance defect detection device, including examining test table and examine the support that sets up on the test table, the support includes four stands, and four stands divide into two sets ofly and correspond the setting respectively in the both sides of examining test table, and the height that highly is higher than examining test table of four stands still includes image acquisition mechanism, fixture and industry PC, and the device's structural schematic is as shown in figure 1, 2.
Examine and be equipped with transport mechanism on the bench, transport mechanism is including examining the conveyer belt that bench upper portion set up and examining the servo motor that bench lower part set up, and the conveyer belt is driven by servo motor, will examine wheel hub and place on the conveyer belt, and opening device, under servo motor's effect, the conveyer belt will examine wheel hub and transport and examine the bench middle part.
The image acquisition mechanism comprises a first slide rail arranged at the top of an upright column on the same side, a first slide bar arranged between the first slide rails, a high-speed industrial camera and a linear grating net emission source which are arranged below the middle part of the first slide bar in parallel, and a first driving device arranged above the middle part of the first slide bar, wherein the first slide bar is driven by the first driving device, the detection platform is arranged below the high-speed industrial camera and the linear grating net emission source, the high-speed industrial camera, the linear grating net emission source, the first driving device and the servo motor are all electrically connected with an industrial PC, the first slide bar is positioned at one end of the first slide rail during standby, when a hub to be detected reaches the middle part of the detection platform, the first slide bar drives the high-speed industrial camera and the linear grating net emission source in the middle part to move to the other end of the first slide rail through the driving of the first driving device, and the industrial PC controls, the method comprises the steps that light stripes are generated on a hub to be detected, a high-speed industrial camera collects the light stripes on the hub to be detected in real time, the collected light stripes are transmitted back to an industrial PC, the industrial PC contains image analysis and processing software, the collected light stripes are generated into images by the software, when a first sliding rod moves to the other end of a first sliding rail, an image collecting mechanism is in standby, and a clamping mechanism acts.
The stand is the rectangle stand, and fixture sets up the second slide bar between the second slide rail that sets up between the adjacent both sides face that the stand was set up to the platform homonymy, the second drive arrangement that sets up in the outside in the middle part of the second slide bar, the telescopic link that the inboard set up in middle part of the second slide bar and the holding head that sets up on the telescopic link including detecting the second slide rail that sets up between the second slide rail of homonymy, second slide bar middle part outside, second slide bar and telescopic link all the second drive arrangement drives, second drive arrangement and industrial PC electric connection, above-mentioned telescopic link and holding head are two, and set up respectively detect the platform both sides, the telescopic link is cylindrical telescopic link, the holding head is semi-circular holding head, telescopic link and holding head fixed connection, the telescopic link can realize stretching out and drawing back and rotatory under second drive arrangement's drive, the holding head is equipped with the rubber centre gripping pad, when first slide bar moved the other end of first slide bar Hub, rubber centre gripping pad can increase the holding head and wait to examine wheel hub's frictional force, and the holding head presss from both sides tightly to wait to drive after examining wheel hub to examine wheel hub and wait to examine wheel hub and overturn, waits to examine wheel hub upset and accomplishes the back, and image acquisition mechanism repeats above-mentioned action.
The industrial PC is provided with an alarm, when the hub to be detected has a defect, the light stripe can deform, when the image acquisition mechanism acquires that the light stripe on the hub to be detected deforms, the first sliding rod stops acting, meanwhile, the alarm on the industrial PC gives an alarm, a detector can observe the light stripe image on the industrial PC, judge whether the defect meets the customer and national standards according to the position and size of the defect, and further determine whether to continue to detect the hub after the judgment is finished.
The working process of the image acquisition mechanism is as follows:
firstly, a linear grating net emission source emits a linear light source;
secondly, scanning the surface of the object by a linear light source to form light stripes;
step three, the light stripes deform when encountering bulges or depressions;
step four, the high-speed industrial camera collects deformed light stripes in real time and generates images;
processing the image by software, and measuring and analyzing the deformation size;
step six, automatically marking the size of the defect by software;
and seventhly, observing the light stripe image by an inspector, and judging whether the defect meets the customer and national standards according to the position and the size of the defect.
The working flow chart of the device is shown in fig. 3.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. The utility model provides a wheel hub appearance defect detection device, including examining test table (1) and examine support (2) that set up on test table (1), support (2) are including stand (3), stand (3) have four, four stand (3) divide into two sets ofly to correspond the setting respectively and are in examine the both sides of test table (1), and four highly being higher than of stand (3) examine the height of test table (1), its characterized in that still includes image acquisition mechanism (4), fixture (5) and industry PC (6).
2. The wheel hub appearance defect detection device of claim 1, wherein the image acquisition mechanism (4) comprises a first slide rail (7) arranged at the top of the upright post (3) on the same side, a first slide bar (8) arranged between the first slide rails (7), a high-speed industrial camera (9) and a linear grating net emission source (10) arranged in parallel below the middle of the first slide bar (8), and a first driving device (11) arranged above the middle of the first slide bar (8), the first slide bar (8) is driven by the first driving device (11), and the detection table (1) is arranged below the high-speed industrial camera (9) and the linear grating net emission source (10).
3. The wheel hub appearance defect detection device of claim 1, wherein the clamping mechanism (5) comprises a second slide rail (12) arranged between two adjacent side surfaces of the upright column (3) arranged on the same side of the detection table (1), a second slide bar (13) arranged between the second slide rails (12) on the same side, a second driving device (14) arranged outside the middle part of the second slide bar (13), a telescopic rod (15) arranged inside the middle part of the second slide bar (13), and a clamping head (16) arranged on the telescopic rod (15), and the second slide bar (13) and the telescopic rod (15) are driven by the second driving device (14).
4. The wheel hub appearance defect detection device of claim 3, wherein the telescopic rod (15) is fixedly connected with the clamping head (16), the telescopic rod (15) can be driven by the second driving device (14) to stretch and rotate, and the clamping head (16) is provided with a clamping pad (17).
5. A hub appearance defect detecting device according to claim 4, wherein said clamping pads (17) are rubber clamping pads.
6. A wheel hub appearance defect detecting device according to claim 1, wherein a conveying mechanism (18) is arranged on the detecting table (1), the conveying mechanism (18) comprises a conveying belt (19) arranged at the upper part of the detecting table (1) and a servo motor (20) arranged at the lower part of the detecting table (1), and the conveying belt (19) is driven by the servo motor (20).
7. The wheel hub appearance defect detection device of claim 1, wherein the high-speed industrial camera (9), the linear grating net emission source (10), the first driving device (11), the second driving device (14) and the servo motor (20) are electrically connected with the industrial PC (6), and the industrial PC (6) is provided with an alarm (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921629604.7U CN211478039U (en) | 2019-09-27 | 2019-09-27 | Wheel hub appearance defect detection device |
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CN201921629604.7U CN211478039U (en) | 2019-09-27 | 2019-09-27 | Wheel hub appearance defect detection device |
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CN211478039U true CN211478039U (en) | 2020-09-11 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114295622A (en) * | 2021-12-20 | 2022-04-08 | 南京信云智能制造科技有限公司 | Alloy wheel hub surface image defect recognition equipment |
CN114755178A (en) * | 2022-03-03 | 2022-07-15 | 燕山大学 | An automatic detection device for wheel hub surface defects |
-
2019
- 2019-09-27 CN CN201921629604.7U patent/CN211478039U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114295622A (en) * | 2021-12-20 | 2022-04-08 | 南京信云智能制造科技有限公司 | Alloy wheel hub surface image defect recognition equipment |
CN114295622B (en) * | 2021-12-20 | 2023-11-14 | 南京信云智能制造科技有限公司 | Alloy wheel hub surface image defect identification equipment |
CN114755178A (en) * | 2022-03-03 | 2022-07-15 | 燕山大学 | An automatic detection device for wheel hub surface defects |
CN114755178B (en) * | 2022-03-03 | 2024-02-02 | 燕山大学 | Automatic detection device for surface defects of hub |
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