CN109100356A - A kind of hub automatic detecting device - Google Patents
A kind of hub automatic detecting device Download PDFInfo
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- CN109100356A CN109100356A CN201811003749.6A CN201811003749A CN109100356A CN 109100356 A CN109100356 A CN 109100356A CN 201811003749 A CN201811003749 A CN 201811003749A CN 109100356 A CN109100356 A CN 109100356A
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- camera
- support arm
- light source
- workbench
- bevel gear
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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
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention provides a kind of hub automatic detecting devices, including supporting table, workbench, image collecting device, image processor, first driving mechanism, trigger device and wheel hub rotating device, workbench is rotatably installed on above supporting table, first driving device is for driving workbench around own axis, wheel hub rotating device includes two roller bearings disposed in parallel and the second driving mechanism, the both ends of roller bearing are supported on the table by support shaft, second driving structure is for driving one of roller bearing to rotate, image collecting device includes the Image Acquisition bracket being installed in supporting table and the first camera being installed on Image Acquisition bracket, first light source, second camera and second light source, the present invention realizes the comprehensive Image Acquisition of wheel hub by first camera and second camera, in conjunction with image processor, realize fast automatic knowledge The defect of not various classification wheel hubs, it is time saving and energy saving, high-efficient and intuitive.
Description
Technical field
The present invention relates to wheel hub detection technique field more particularly to a kind of hub automatic detecting devices.
Background technique
The production and processing of steel wheel hub includes the processing of wheel rim and the processing in spoke face with two complete flow production lines, then
The two is welded and is synthesized.Entire production process realizes automation substantially, but most of appearance detection of finished product is still
Using artificial detection, inspection operation is that worker station carries out by assembly line, and since artificial detection is time-consuming and laborious, and detection accuracy is not
It is high；Wheel hub volume is larger, inconvenient when manually stirring, and operation is laborious, and is difficult to realize quick, the accurate detection of number of drawbacks；
Neglectful collision is also possible to lead to wheel hub appearance damage when stirring.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of hub automatic detecting devices, for detecting steel wheel
The open defect of hub wheel rim and spoke protrusion side and spoke recess side.
The present invention achieves the above technical objects by the following technical means.
A kind of hub automatic detecting device, including supporting table, workbench, image collecting device, image processor, the first drive
Motivation structure, trigger device and wheel hub rotating device；
The workbench is rotatably installed on above supporting table, and the first driving device is for driving workbench around certainly
Body axis rotation；
The wheel hub rotating device includes two roller bearings disposed in parallel and the second driving mechanism, and the both ends of the roller bearing are logical
Cross support shaft support on the table, the roller bearing can be around own axis, the distance between two described roller bearings size position
Between the diameter and radius of wheel hub, guarantee that wheel hub can be placed on two roller bearings, makes the external cylindrical surface and roller bearing line of wheel hub
Contact, and the bottom surface of wheel hub is not contacted with workbench, and second driving structure is for driving one of roller bearing to rotate；
Described image acquisition device includes the Image Acquisition bracket being installed in supporting table and is installed on Image Acquisition branch
First camera, first light source, second camera and second light source on frame, the first camera and first light source are located at two roller bearings
Between surface, for acquiring the image of wheel rim top surface areas, the second camera and second light source are located at spoke surface side
Middle part position on the upper side, the lower edge image of protrusion side and spoke recess side for acquiring spoke；
The first camera and second camera are electrically connected with trigger device and image processor, and the trigger device is used for
Control the opening and closing of first camera, first light source, second light source and second camera, described image processor be used for first camera and
The image of second camera acquisition is handled and identifies the defect of wheel hub.
Preferably, first driving mechanism includes the first stepper motor, first bevel gear, second bevel gear, drive shaft
And rotating shaft, for the motor shaft of first stepper motor by first shaft coupling and driving axis connection, the second bevel gear is same
Axis is installed on the driving shaft, and the first bevel gear second bevel gear engagement, the first bevel gear and workbench are coaxially fixed
It is installed on rotating shaft.
Preferably, first stepper motor, first bevel gear and second bevel gear are respectively positioned on the lower section of supporting table, described
The top of rotating shaft passes through supporting table and connect with workbench, is equipped with phase on the bottom surface of the workbench and the upper surface of supporting table
Corresponding arc-shaped groove guide rail, the arc-shaped groove guide rail is interior to be equipped with ball.
Preferably, the workbench is disc, and the arc-shaped groove is quadrant, and the arc-shaped groove is led
The center of circle of rail is located on the axis of workbench, is uniformly coated with lubricant in the arc-shaped groove guide rail.
Preferably, second driving mechanism includes second stepper motor, third hand tap gear and the 4th bevel gear, and described
The motor shaft of two stepping motor passes through second shaft coupling and the axis connection for being coaxially installed with third hand tap gear, the third hand tap gear
It is engaged with the 4th bevel gear, one of roller bearing is integrally formed with the axis for being coaxially installed with the 4th bevel gear.
Preferably, rubber sleeve, the external cylindrical surface of the wheel hub and the outside cylinder upper thread of rubber sleeve are all provided on two roller bearings
Contact.
Preferably, Image Acquisition bracket includes screw rod and one end is sleeved on screw rod first camera support arm, first are shone
Bright support arm, second camera support arm and the second illumination support arm, the bottom end of the screw rod are fixed in supporting table, the first camera,
First light source, second camera and second light source be respectively arranged in first camera support arm, first illumination support arm, second camera support arm and
The other end of second illumination support arm, the first camera support arm, the first illumination support arm, second camera support arm and the second illumination support arm
Height it is adjustable along screw rod.
Preferably, the first camera, first light source, second camera and second light source are rotatably installed on first respectively
Camera support arm, the first illumination support arm, second camera support arm and second illuminate the other end of support arm.
Beneficial effects of the present invention:
1. wheel hub rotating device of the invention can drive hub around own axis, wheel hub rotating device is installed on
, it can be achieved that wheel hub is rotated around plumb line on the workbench that can be rotated, and realize that wheel hub is complete by first camera and second camera
The Image Acquisition in orientation realizes the defect of the fast automatic various wheel hubs of identification, time saving and energy saving, efficiency in conjunction with image processor
Height, and it is intuitive.
2. first camera in the present invention, first light source, the height of second camera and second light source and the angle relative to wheel hub
Degree is adjustable, for the use of various types of wheel hubs, has versatility.
3. being equipped with ball between workbench and supporting table of the invention, and in the arc-shaped groove guide rail with ball engagement
Lubricant is smeared, to reduce the frictional force between workbench and supporting table.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hub automatic detecting device of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural schematic diagram of Image Acquisition bracket of the present invention.
Fig. 4 is the structural schematic diagram of the second driving structure of the present invention.
Fig. 5 is the structural schematic diagram of the first driving mechanism of the present invention.
Fig. 6 is the structural schematic diagram of wheel hub of the present invention.
In figure: 1- first bevel gear, 2- rotating shaft, 3- second bevel gear, the first stepper motor of 4-, 5- workbench, 6- branch
Support axis, 7- roller bearing, 8- second stepper motor, 9- third hand tap gear, the 4th bevel gear of 10-, 11- first camera support arm, 12- first
Support arm, 13- second camera support arm are illuminated, 14- second illuminates support arm, 15- screw rod, 16- image processor, 17- supporting table, 18-
Supporting leg, 19- ball, 20- drive shaft, 21- rubber sleeve, 22- second shaft coupling, 23- first shaft coupling, 24- trigger device, 25-
Wheel rim, 26- spoke.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, a kind of hub automatic detecting device of the present invention, including supporting table 17, workbench 5, image
Acquisition device, image processor 16, the first driving mechanism and wheel hub rotating device, as shown in fig. 6, wheel hub to be detected includes wheel
Rim 25 and spoke 26, the one side of spoke 26 are protrusion side 26-1, and another side is recess side 26-2.
The table top of supporting table 17 is rectangle, sets that there are four the supporting legs 18 for being used to support table top below table top.Such as Fig. 1 and 5
Shown, the first driving mechanism includes the first stepper motor 4, first bevel gear 1, second bevel gear 3, first shaft coupling 23, driving
The motor shaft of axis 20 and rotating shaft 2, the first stepper motor 4 is connect by first shaft coupling 23 with drive shaft 20, second cone
Gear 3 is coaxially mounted in drive shaft 20, and first bevel gear 1 is coaxially installed on the bottom end of rotating shaft 2, the first bevel gear 1
It is engaged with second bevel gear 3, supporting table 17 is equipped with the through-hole passed through for rotating shaft 2, and the top of rotating shaft 2 passes through supporting table
17, workbench 5 is disc, and workbench 5 is coaxially installed on the top of rotating shaft 2, and the first stepper motor 4 drives second bevel gear
3 rotations, so that first bevel gear 1 rotates, so that rotating shaft 2 is driven to rotate, since workbench 5 is fixedly mounted on rotating shaft 2,
Workbench 5 is around own axis.
As shown in figure 5, in order to reduce the frictional force between workbench 5 and supporting table 17, the bottom surface of workbench 5 and supporting table
Corresponding arc-shaped groove guide rail is equipped on 17 upper surface, arc-shaped groove is quadrant, the circle of grooved rail
The heart is located on the axis of workbench 5, and arc-shaped groove guide rail surface is uniformly coated with lubricant, is equipped in arc-shaped groove guide rail
Ball 19.
As shown in Figure 1 and Figure 4, wheel hub rotating device includes that two parallel roller bearings 7 of a pair disposed in parallel and second drive
Motivation structure, the both ends of the roller bearing 7 are mounted on workbench 5 by support shaft 6, two roller bearings 7 can around own axis,
Be all provided with rubber sleeve 21 on two roller bearings 7, the distance between two described roller bearings 7 size be located at wheel hub diameter and radius it
Between, so that wheel hub can be placed on two roller bearings 7, and the external cylindrical surface of wheel hub and the outside cylinder brought into linear contact of rubber sleeve 21, wheel
The axis of hub is parallel with the axis of roller bearing 7, and the bottom surface of wheel hub is not contacted with workbench 5, to realize that two roller bearings 7 are lifted
Wheel hub, and the length of roller bearing 7 is greater than the width of wheel hub.Second driving mechanism includes second stepper motor 8, triconodont
The motor shaft of wheel 9 and the 4th bevel gear 10, the second stepper motor 8 by second shaft coupling 22 and is coaxially installed with third cone
The axis connection of gear 9, the third hand tap gear 9 are engaged with the 4th bevel gear 10, one of roller bearing 7 be coaxially installed with the 4th
The axis of bevel gear 10 is integrally formed, when second stepper motor 8 starts, by third hand tap gear 9 and the 4th bevel gear 10 by power
Pass to one of roller bearing 7, it driven to rotate around own axes, so as to drive the wheel hub being placed on two roller bearings 7 around
Own axis.
Image collecting device includes the Image Acquisition bracket being installed in supporting table 17, first camera, first light source, second
Camera and second light source, as shown in Figures 2 and 3, Image Acquisition bracket include that screw rod 15 and one end are sleeved on screw rod 15
First camera support arm 11, first illuminates support arm 12, second camera support arm 13 and the second illumination support arm 14, the bottom end of the screw rod 15
It is fixed in supporting table 17, the first camera, first light source, second camera and second light source are rotatably installed on respectively
One camera support arm 11, first illuminates the other end of support arm 12, second camera support arm 13 and the second illumination support arm 14, first phase
Machine and first light source are located at the surface between two roller bearings 7, for acquiring the image of 25 top surface areas of wheel rim, second light
Source and the position of second camera should be arranged in position on the upper side in the middle part of 26 side of spoke, can shoot spoke 26 below to meet
The image of the position while welding of edge.The second camera and second light source are used to acquire the protrusion side 26-1 and recess side of spoke 26
The lower edge image of 26-2.The first camera support arm 11, first illuminates support arm 12, second camera support arm 13 and the second illumination branch
Arm 14 can be along screw rod up and down adjustment, to adjust the height of each support arm corresponding camera and light source.For different Dimension Types
Number wheel hub, can by adjust first camera, first light source, the height and angle of second camera and second light source, meet most
The shooting of good angle and distance.
First camera and second camera are electrically connected with trigger device 4 and image processor 16, and the trigger device 4 is used for
The opening and closing of first camera, first light source, second camera and second light source is controlled, described image processor 16 is used for first camera
It is handled with the image of second camera acquisition and identifies the defect of wheel hub.
The course of work of the invention:
Apply the present invention on the automatic assembly line of industrial steel wheel hub, wheel hub is placed on by two roller bearings by manipulator
On 7, the height and first camera, the angle of first light source of support arm 12 are illuminated by adjusting first camera support arm 11, first,
By first camera, first light source reasonable Arrangement in 25 region of surface wheel rim of wheel hub, second camera support arm 13 and second is adjusted
The height of support arm 14 and the angle of second camera and second light source are illuminated, makes second camera and second light source the one of spoke 26
The intermediate position of side center to top edge, for acquiring the lower edge image of the prominent side 26-1 and recess side 26-2 of spoke, second
The case where position of camera and second light source is for weld seam more curved surfaces is relatively suitble to, and controls camera shooting by trigger device 4, then
Second stepper motor 8 drive roller bearing 7 rotate so that wheel hub around own axes be rotated by 90 ° after stop, first camera and second camera
Continue to shoot, then drive hub is rotated by 90 ° around own axes again, and it is often rotated by 90 ° first camera and second camera shooting is primary,
The shooting of the protrusion side 26-1 of total four completion wheel rims 25 of corotating and spoke 26, after, the first stepper motor 4 drives work
Platform 5 around own axes rotate 180 ° after stop, be then rotated by 90 ° wheel hub around own axes, be often rotated by 90 ° around own axes
The shooting of two cameras is primary, and first camera does not work at this time, is rotated by 90 ° four times around own axes in total, completes the recess of spoke 26
Side 26-2's takes pictures, and then first camera and second camera transfer data to image processor 16 by image pick-up card and realize
Defects detection is classified, the image detecting method in the present invention: realizing defect using the method for transfer learning combination depth
Quickly detection.It is region of interesting extraction first, followed by deep learning convolutional network identification process realizes image point again
Signal is finally fed back to the sorting that the executing agency on automatic assembly line realizes qualified product and rejected product by class.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of hub automatic detecting device, the wheel hub includes wheel rim (25) and spoke (26), which is characterized in that including support
Platform (17), workbench (5), image collecting device, image processor (16), the first driving mechanism, trigger device (24) and wheel hub
Rotating device；
The workbench (5) is rotatably installed on above supporting table (17), and the first driving device is for driving workbench
(5) around own axis；
The wheel hub rotating device includes two roller bearings (7) disposed in parallel and the second driving mechanism, the both ends of the roller bearing (7)
Be supported on workbench (5) by support shaft (6), the roller bearing (7) can around own axis, two roller bearings (7) it
Between between the diameter and radius that size is located at wheel hub, so that the wheel hub is placed on two roller bearings (7), and wheel hub
External cylindrical surface contacted with roller bearing (7) line, second driving structure for drive one of roller bearing (7) rotate；
Described image acquisition device includes the Image Acquisition bracket being installed on supporting table (17) and is installed on Image Acquisition branch
First camera, first light source, second camera and second light source on frame, the first camera and first light source are located at two roller bearings
(7) surface between, for acquiring the image of wheel rim (25) top surface areas, the second camera and second light source are located at spoke
One middle side part of face position on the upper side, for acquiring the image of spoke (26) protrusion side (26-1) and recess side (26-2) lower edge；
The first camera and second camera are electrically connected with trigger device (24) and image processor (16), the trigger device
(24) for controlling the opening and closing of first camera, first light source, second light source and second camera, described image processor (16) is used for
The image that first camera and second camera acquire is handled and identifies the defect of wheel hub.
2. hub automatic detecting device according to claim 1, which is characterized in that first driving mechanism includes first
Stepper motor (4), first bevel gear (1), second bevel gear (3), drive shaft (20) and rotating shaft (2), the first stepping electricity
The motor shaft of machine (4) is connect by first shaft coupling (23) with drive shaft (20), and the second bevel gear (3) is coaxially mounted to drive
On moving axis (20), the first bevel gear (1) is engaged with second bevel gear (3), the first bevel gear (1) and workbench (5)
Coaxially it is fixedly installed on rotating shaft (2).
3. hub automatic detecting device according to claim 2, which is characterized in that first stepper motor (4), first
Bevel gear (1) and second bevel gear (3) are respectively positioned on the lower section of supporting table (17), and the top of the rotating shaft (2) passes through supporting table
(17) it is connect with workbench (5), is equipped with corresponding circle on the bottom surface and the upper surface of supporting table (17) of the workbench (5)
Arcuation grooved rail, the arc-shaped groove guide rail is interior to be equipped with ball (19).
4. hub automatic detecting device according to claim 3, which is characterized in that the workbench (5) is disc, institute
Stating arc-shaped groove is quadrant, and the center of circle of the arc-shaped groove guide rail is located on the axis of workbench (5), the circle
Lubricant is uniformly coated in arcuation grooved rail.
5. hub automatic detecting device according to claim 1, which is characterized in that second driving mechanism includes second
The motor shaft of stepper motor (8), third hand tap gear (9) and the 4th bevel gear (10), the second stepper motor (8) passes through second
Shaft coupling (22) and the axis connection for being coaxially installed with third hand tap gear (9), the third hand tap gear (9) and the 4th bevel gear (10)
Engagement, one of roller bearing (7) are integrally formed with the axis for being coaxially installed with the 4th bevel gear (10).
6. hub automatic detecting device according to claim 1, which is characterized in that be equipped with rubber on two roller bearings (7)
It covers (21), the external cylindrical surface of the wheel hub and the outside cylinder brought into linear contact of rubber sleeve (21).
7. hub automatic detecting device according to claim 1, which is characterized in that Image Acquisition bracket includes screw rod (15)
And one end is sleeved on first camera support arm (11) on screw rod (15), the first illumination support arm (12), second camera support arm (13)
With the second illumination support arm (14), the bottom end of the screw rod (15) is fixed on supporting table (17), the first camera, the first light
Source, second camera and second light source are respectively arranged in first camera support arm (11), the first illumination support arm (12), second camera support arm
(13) and the other end of the second illumination support arm (14), the first camera support arm (11), first illuminate support arm (12), second camera
Support arm (13) and the second illumination support arm (14) can be along screw rod up and down adjustments.
8. hub automatic detecting device according to claim 7, which is characterized in that the first camera, first light source,
Two cameras and second light source are rotatably installed on first camera support arm (11), the first illumination support arm (12), second camera respectively
The other end of support arm (13) and the second illumination support arm (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003749.6A CN109100356A (en) | 2018-08-30 | 2018-08-30 | A kind of hub automatic detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003749.6A CN109100356A (en) | 2018-08-30 | 2018-08-30 | A kind of hub automatic detecting device |
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| CN109100356A true CN109100356A (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003749.6A Pending CN109100356A (en) | 2018-08-30 | 2018-08-30 | A kind of hub automatic detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855570A (en) * | 2020-06-09 | 2020-10-30 | 北京旷视科技有限公司 | Hub detection device and hub detection method |
| 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 |
| CN114559406A (en) * | 2022-03-30 | 2022-05-31 | 常熟星祥益精密制造有限公司 | Defect detection workbench for aviation part production |
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| CN111855570A (en) * | 2020-06-09 | 2020-10-30 | 北京旷视科技有限公司 | Hub detection device and hub detection method |
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| CN114559406A (en) * | 2022-03-30 | 2022-05-31 | 常熟星祥益精密制造有限公司 | Defect detection workbench for aviation part production |
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Application publication date: 20181228 |
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| RJ01 | Rejection of invention patent application after publication |