CN117190965B - Radial surface defect detection device of auto-parts in shaft hole formula - Google Patents
Radial surface defect detection device of auto-parts in shaft hole formula Download PDFInfo
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Abstract
The invention relates to a radial surface defect detection device of an automobile part, which is characterized in that when in detection, air is slowly introduced into a detection disc to enable a plurality of contact lens groups to be in contact with the bottom of the automobile part, then the display surface of an analog module is provided with an edge profile corresponding to the part, the display condition of a signal origin in the edge profile is observed, when the corresponding contact lens group is electrified, the signal origin is changed, when the corresponding signal origin is not different from the signal origin on a standard picture, no obvious defect exists, when the difference exists between the corresponding signal origin and the signal origin, the defect exists, the automobile part with the defect can be removed according to the result, the automobile part with the defect on the end surface is effectively avoided, and the potential safety hazard is further reduced.
Description
Technical Field
The invention relates to a defect detection device, in particular to a radial surface defect detection device of an automobile part, which is applied to the field of defect detection of the automobile part.
Background
For some shaft-bore automotive parts, such as flanges, which are parts of the shaft-to-shaft connection for the connection between the pipe ends; there are also flanges for use on the equipment access ports for connection between two equipment, such as speed reducer flanges.
However, when the flange surface has the defect of local concave or local convex, the flange connection is easy to influence the sealing of the end surface, is unfavorable for use, and easily generates potential safety hazards in the running process of the automobile, so that the flange is required to be subjected to defect detection, and can be shipped from the factory for use after meeting the standard, and the detection of the flange in the prior art is generally concentrated on a hole type, a hole inner wall and the like, for example, the flatness inspection device for the shaft hole sealing contact surface of a gearbox body of China patent CN201922166094.0 omits the defect detection of the flange surface.
It is therefore desirable to provide a defect detection device that can detect surface defects of shaft-type fittings.
Content of the application
Aiming at the prior art, the invention aims to solve the technical problems that the defect detection on the flange end face is lack or ignored in the prior art, and the use is not facilitated.
In order to solve the problems, the invention provides a radial surface defect detection device for an automobile accessory with a shaft hole, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a detection disc, the upper end of the bottom plate is also connected with a hole changing disc through an electric rotating shaft, a plurality of distribution holes distributed in an annular array are cut on the hole changing disc, the ends of the hole changing disc, which are close to each other, are mutually embedded and contacted with the detection disc, the left end and the right end of the bottom plate are fixedly connected with upright posts, the upper ends of the two upright posts are fixedly connected with a top plate, a plurality of jacks are cut on the top plate, accessory positioning columns are respectively inserted into the jacks, the front side and the rear side of the contact part of the detection disc and the hole changing disc are respectively provided with a pushing component, the pushing component is fixedly connected with the bottom plate, the distance between the overlooking center of the limiting hole and the center of the hole changing disc is consistent with the distance between the circle center of the distribution hole and the Kong Panyuan center, and the limiting hole is positioned on one side of the center of the hole changing disc, which is close to the detection disc;
the pushing assembly comprises a longitudinal column and a flat electric push rod connected to the longitudinal column through an electric sliding rail, wherein an L-shaped pressure rod is fixedly connected to the upper end of the extension end of the flat electric push rod, a longitudinal electric push rod is fixedly connected to the lower end of a top plate, and a rolling ball is movably connected to the bottom of the longitudinal electric push rod.
In the radial surface defect detection device of the shaft hole type automobile part, through the matching setting of the detection disc and the simulation module, when the detection is carried out, the end face of the detection disc, which is in contact with the automobile part, presents a signal origin on the display surface of the simulation module, when the corresponding signal origin is different from the signal origin on the standard picture in display, the defect is indicated, the end face detection of the shaft hole type automobile part is completed, the automobile part with the defect on the end face is effectively avoided, and then the potential safety hazard is reduced.
As a further improvement of the device, the inner diameters of the plurality of jacks are gradually increased along the direction from left to right, the inner diameters of the plurality of matched holes are respectively consistent with the plurality of jacks, and the inner diameters of the limiting holes are consistent with the maximum inner diameters of the matched holes.
As a still further improvement of the application, the bottom plate further comprises a simulation module arranged on the computer, the simulation module is connected with the detection disc through signals, and the simulation module is used for simulating the change condition of the contact surface between a plurality of automobile parts and the detection disc.
As a further improvement of the application, the detection disc comprises a shell, a baffle plate, a pneumatic control plate and an air cushion, wherein the baffle plate is in sliding connection with the inner wall of the shell, the pneumatic control plate and the air cushion are respectively arranged on the upper side and the lower side of the baffle plate, a porous hard plate is fixedly inlaid on the upper end face of the shell, the upper end of the pneumatic control plate is connected with a plurality of groups of uniformly distributed contact groups, a plurality of through holes corresponding to the contact groups are cut on the porous hard plate, the upper end of the contact groups extend into the through holes, a display surface which is expanded or contracted in proportion with the porous hard plate is simulated on a simulation module, and a plurality of signal origins which are respectively connected with a plurality of contact groups by signal are programmed on the display surface through c language.
As a further improvement of the application, one end of the air cushion, which is far away from the hole changing disc, is fixedly connected with an air expanding strip, the outer end of the air expanding strip is fixedly connected with an air charging pipe, the air cushion is of an elastic sealing structure, the contact surface of the air expanding strip and the air cushion is not less than 1/3 of the outer section of the shell, a plurality of air holes are formed between the air expanding strip and the air charging pipe, and the air charging pipe is communicated with the air expanding strip.
As a further improvement of the application, the contact group comprises an electric plate fixedly connected to the pneumatic control plate and two hard conducting strips electrically connected to the upper end of the electric plate, wherein the upper ends of the two hard conducting strips are flush with each other.
The radial surface defect detection device of the shaft hole type automobile part comprises the following specific steps when detecting the automobile part:
s1, aligning one mounting hole on an axle hole type automobile accessory with a limiting hole, aligning a hole matching hole corresponding to the inner diameter of the mounting hole on a hole changing disc with the limiting hole, selecting a corresponding accessory positioning column to insert into the mounting hole, and enabling the accessory positioning column to sequentially penetrate through the mounting hole, the hole matching hole and the limiting hole;
s2, controlling the two pushing assemblies and the longitudinal electric push rod to extend, enabling the longitudinal electric push rod, the horizontal electric push rod and the L-shaped push rod to be in contact with the upper surface of the automobile fitting, and forming an edge profile corresponding to the fitting on a display surface after the simulation module obtains a signal of electrifying the contact group;
s3, slowly inflating the air cushion to enable the air cushion to expand and push the air control plate to move upwards, enabling the contact plate groups to be in contact with the lower surface of the automobile part, observing the display surface simulated in the simulation module on the computer screen, and primarily judging the defect type of the lower surface of the automobile part according to the change condition of the signal origin in the outline of the upper edge of the display surface;
when the corresponding signal origin is not different from the signal origin on the standard picture, no obvious defect exists, when the local signal origin is changed first, the defect that the corresponding part has local bulge is indicated, when the partial signal origin is unchanged all the time, the defect that the corresponding part has local concave is indicated,
s4, controlling the other mounting hole on the automobile part to correspond to the limit, repeating the steps to finish the defect detection on the lower surface of the automobile part, reversing the automobile part, and repeating the steps to finish the defect detection on the other surface.
As a further improvement of the present application, a step of rechecking the defect type may be added between step S3 and step S4, specifically: when the display surface is obviously different from the standard picture, the two flat electric push rods are respectively controlled to extend, so that the automobile parts rotate back and forth around the part positioning column in a small range, and when the area which is different from the standard picture in the step S3 is observed to move along with the movement of the automobile parts, the defect type of the automobile parts in the step S3 is proved to be truly present.
In summary, through the cooperation setting of detecting dish and analog module, when detecting, through slowly letting in the air to detecting in the dish, make a plurality of contact groups and auto-parts bottom contact, and then according to the edge profile that the accessory corresponds on analog module's the display surface, and observe the display condition of signal origin in the edge profile, when the contact group circular telegram that corresponds, signal origin changes, when signal origin shows not showing the difference on corresponding signal origin and the standard picture, it does not have obvious defect to state, when there is the difference in the two, it has defect to state, can reject the auto-parts that have defect according to this result, effectively avoid the auto-parts that the terminal surface has defect to put into use, and then reduce the potential safety hazard.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application;
fig. 2 is a perspective view of a first embodiment of the present application in the inspection of a spindle-type automotive part;
FIG. 3 is a top view of a first embodiment of the present application;
FIG. 4 is a perspective view of a thrust assembly according to a first embodiment of the present application;
FIG. 5 is a cross-sectional view of a test disc according to a first embodiment of the present application;
FIG. 6 is a top view of an air mattress according to a first embodiment of the present application;
FIG. 7 is a schematic view of a portion of a gas panel according to a first embodiment of the present application;
FIG. 8 is a diagram showing a standard frame formed on an analog module in comparison with a defect in the first embodiment of the present application;
fig. 9 is a perspective view of a second embodiment of the present application;
fig. 10 is a graph comparing the case where the end face of the automobile part has a defect with the case where the defect is not apparent in the second embodiment of the present application.
The reference numerals in the figures illustrate:
1 bottom plate, 2 detection disc, 21 shell, 22 air cushion, 23 pneumatic control board, 24 porous hard board, 201 air expanding strip, 202 air charging pipe, 3 hole changing disc, 301 hole matching, 41 upright post, 42 top plate, 6 accessory positioning post, 7 pushing component, 71 longitudinal post, 72 flat electric push rod, 73L press rod, 8 longitudinal electric push rod, 91 electric plate, 92 hard conducting strip.
Detailed Description
Two embodiments of the present application are described in detail below with reference to the accompanying drawings.
First embodiment:
fig. 1-3 show a radial surface defect detection device of auto-parts of axle hole formula, including bottom plate 1, bottom plate 1 upper end fixedly connected with detects dish 2, bottom plate 1 upper end still is connected with through electric rotating shaft and changes hole dish 3, it has a plurality of distribution holes 301 that are annular array distribution to change to open on the hole dish 3, it inlays each other to establish the contact to change the tip that hole dish 3 and detect dish 2 are close to each other, bottom plate 1 both upper ends about all fixedly connected with stand 41, the upper end fixedly connected with roof 42 of two stands 41, open on the roof 42 has a plurality of jacks, all insert in a plurality of jacks and be equipped with accessory reference column 6.
The bottom plate 1 is provided with a limiting hole in an cutting way, the distance between the overlooking circle center of the limiting hole and the center point of the hole changing disc 3 is consistent with the distance between the circle center of the matching hole 301 and the circle center of the hole changing disc 3, and the limiting hole is positioned on one side of the circle center of the hole changing disc 3, which is close to the detection disc 2, so that when the hole changing disc 3 is rotated, one matching hole 301 and the limiting hole are coaxial, and when a mounting hole on a flange to be detected is coaxial with the limiting hole, a fitting positioning column 6 with the same size as the corresponding matching hole 301 is inserted at the moment, and single-point positioning of the flange is realized.
In addition, it is worth noting that the apertures of the plurality of matching holes 301 correspond to the mounting holes on the flanges of different types, so that when the end face of the flanges of different sizes is detected, the mounting holes can correspond to one of the matching holes 301 in size, and at the moment, the flanges can be limited by taking the matching locating columns 6 as rotating shafts through the corresponding matching locating columns 6.
The front side and the rear side of the contact part of the detection disc 2 and the hole changing disc 3 are respectively provided with a pushing component 7, the pushing components 7 are fixedly connected with the bottom plate 1, each pushing component 7 comprises a longitudinal column 71 and a flat electric push rod 72 connected to the longitudinal column 71 through an electric sliding rail, the upper end of the extension end of each flat electric push rod 72 is fixedly connected with an L-shaped compression rod 73, the pushing components 7 can move longitudinally and radially through the sliding rail and the flat electric push rod 72, the two components can be simultaneously contacted with the upper surface of a flange to realize local positioning, the lower end of the top plate 42 is fixedly connected with a longitudinal electric push rod 8, the bottom of the longitudinal electric push rod 8 is movably connected with a rolling ball, the longitudinal electric push rod 8 can limit the flange longitudinally, meanwhile, due to the arrangement of balls at the bottom of the longitudinal electric push rod 8 and the flange, the flange is in rolling contact, when the flat electric push rod 72 extends to push the flange, the flange is not easy to influence, and the flange can rotate around the accessory positioning column 6 to a certain extent.
It should be noted that the lower end of the L-shaped compression bar 73 may also be movably connected with a plurality of balls, so that the L-shaped compression bar 73 is also in rolling connection with the flange.
The bottom plate 1 further comprises a simulation module arranged on the computer, the simulation module is connected with the detection disc 2 in a signal mode, and the simulation module is used for simulating the change condition of the contact surface between the flanges and the detection disc 2.
The detecting disc 2 comprises a shell 21, a baffle plate, a pneumatic control plate 23 and an air cushion 22, wherein the baffle plate is slidably connected with the inner wall of the shell 21, the pneumatic control plate 23 and the air cushion 22 are respectively arranged on the upper side and the lower side of the baffle plate, a plurality of groups of evenly distributed contact plate groups are fixedly embedded on the upper end face of the shell 21, a plurality of through holes corresponding to the contact plate groups are cut on the porous hard plate 24, the upper ends of the contact plate groups extend into the through holes, and the upper ends of the contact plate groups do not protrude out of the upper opening parts of the through holes, so that when the flange is placed on the detecting disc 2, the contact plate groups are not contacted with the bottom of the flange when the air cushion 22 is not inflated.
The simulation module is simulated to have a display surface which is expanded or contracted in proportion to the porous hard plate 24, a plurality of signal origins which are respectively connected with a plurality of contact groups are programmed on the display surface through c language, the distribution of the signal origins is consistent with that of the contact groups, when the pneumatic control plate 23 is inflated to move upwards, the contact groups are driven to be contacted with the flange, the microcircuits in the contact groups are conducted, after the microcircuits are electrified, a signal communication channel can be established with the simulation module, and the corresponding signal origins on the simulation module can be electrified through changes of modes such as color change, brightness change and the like, so that the corresponding contact groups are simulated.
As shown in fig. 6, one end of the air cushion 22 far away from the hole changing disc 3 is fixedly connected with an air expanding strip 201, the outer end of the air expanding strip 201 is fixedly connected with an air charging pipe 202, the air cushion 22 is of an elastic sealing structure, the contact surface of the air expanding strip 201 and the air cushion 22 is not smaller than 1/3 of the outer section of the shell 21, a plurality of air holes are formed between the air expanding strip 201 and the air charging pipe, the air charging pipe 202 is communicated with the air expanding strip 201, and the air expanding strip 201 is arranged to enable air in the air cushion 22 to be charged in multiple directions, so that the air expanding is relatively uniform, and the lifting effect on the air control plate 23 is better.
It should be noted that the air cushion 22 and the related air expanding strip 201 and the air charging tube 202 can be replaced by an electric push rod, and the electric push rod is directly adopted to control the lifting.
As shown in fig. 7, the contact group includes an electric plate 91 fixedly connected to the air control plate 23 and two hard conductive strips 92 electrically connected to the upper ends of the electric plate 91, and the upper ends of the two hard conductive strips 92 are flush with each other, so that the contact between the two hard conductive strips and the flange can be effectively ensured to be contacted and conducted simultaneously.
The wireless transmitting circuit is integrated in the electric plate 91, and after the ends of the two hard conductive strips 92 are conducted, the wireless transmitting circuit can be conducted, so that a signal transmission channel is established with the analog module, an energizing signal can be received in the analog module, and the change of the corresponding signal origin after energizing is realized.
The device for detecting the radial surface defects of the shaft hole type flange comprises the following specific steps when detecting the flange:
s1, aligning one of mounting holes on a shaft hole type flange with a limiting hole, aligning a matching hole 301 corresponding to the inner diameter of the mounting hole on a hole changing disc 3 with the limiting hole, selecting a corresponding accessory positioning column 6 to insert into the mounting hole, and enabling the accessory positioning column to sequentially pass through the mounting hole, the matching hole 301 and the limiting hole;
s2, controlling the two pushing assemblies 7 and the longitudinal electric push rod 8 to extend, enabling the longitudinal electric push rod 8, the horizontal electric push rod 72 and the L-shaped pressure rod 73 to be in contact with the upper surface of the flange, and forming an edge profile corresponding to the accessory on the display surface after the simulation module obtains a signal of electrifying the contact group;
s3, slowly inflating the air cushion 22 to enable the air cushion 22 to expand and push the air control plate 23 to move upwards, enabling the plurality of contact groups to be in contact with the lower surface of the flange, observing the display surface simulated in the simulation module on the computer screen, and primarily judging the defect type of the lower surface of the flange according to the change condition of the signal origin in the outline of the upper edge of the display surface;
if a1 in fig. 8 is a standard picture, that is, a picture on a display surface when no obvious abnormality exists, when the corresponding signal origin is displayed with the signal origin on the standard picture and does not show a difference, it is indicated that no obvious defect exists, if a local signal origin changes first in fig. 8, it is indicated that a defect of local protrusion exists in a corresponding part, if a local signal origin changes first in fig. 8, it is indicated that a defect of local recess exists in a corresponding part, if a part of signal origin does not change all the time, in fig. 8, it is indicated that a defect of local recess exists in a corresponding part;
s4, controlling the other mounting hole on the flange to correspond to the limit, repeating the steps to finish the defect detection of the lower surface of the flange, reversing the flange, and repeating the steps to finish the defect detection of the other surface.
A step of rechecking the defect type can be added between the step S3 and the step S4, specifically: when the display surface is obviously different from the standard picture, the two flat electric push rods 72 are respectively controlled to extend, so that the flange rotates back and forth around the accessory positioning column 6 in a small amplitude, and when the region different from the standard picture in the step S3 is observed to move along with the movement of the flange, the defect type of the flange in the step S3 is proved to be truly present.
In summary, through the cooperation setting of testing dish 2 and analog module, when detecting, through slowly letting in the air in the testing dish 2, make a plurality of contact group and flange bottom contact, and then according to the edge profile that the accessory corresponds on analog module's display surface, and observe the display condition of signal origin in the edge profile, when the contact group circular telegram that corresponds, signal origin changes, when signal origin shows not showing the difference on corresponding signal origin and the standard picture, it does not have obvious defect to indicate, when there is the difference in the two, indicate to have the defect, can reject defective flange according to this result, effectively avoid the flange that the terminal surface has the defect to put into use, and then reduce the potential safety hazard.
Second embodiment:
in the present embodiment, the detection disk 2 has only one hard flat plate structure, and the shape thereof is the same as that of the first embodiment, but the related structures of the detection disk 2 in the first embodiment are not provided in the present embodiment, namely, the housing 21, the air cushion 22, the air control panel 23, the porous hard plate 24, the gas diffusion strip 201, and the gas tube 202.
Fig. 9 shows that in this embodiment, when detecting the end face of the shaft hole type flange, a layer of flour layer is uniformly scattered on the surface of the detecting disc 2 through a fine mesh screen, then the corresponding matching hole 301 on the hole changing disc 3 is rotated to the position of the limiting hole, one of the mounting holes of the flange is aligned with the matching hole 301 and placed on the detecting disc 2, the flange is positioned through the accessory positioning column 6, and the flat electric push rod 72, the L-shaped compression rod 73 and the longitudinal electric push rod 8 are controlled to be in contact with the upper surface of the flange, so that the flange is limited in the longitudinal direction and the radial direction; at this time, after the flat electric push rod 72 is alternately controlled to be elongated for 1-3 times, the flange is removed, the state of the flour on the surface of the detecting disc 2 is observed, as a2 in fig. 10, which is the state of the flour layer when the surface of the flange has no obvious defect, the flour layer is relatively uniformly compacted, when the part corresponding to the mounting hole is removed, as a b1 in fig. 10, and when the rest part of flour is in a relatively loose state, the part corresponding to the flange is indicated to have a local concave, as a b2 in fig. 10, and when the flour layer on the surface of the detecting disc 2 forms the obvious local scratch, the part corresponding to the flange is indicated to have a local convex defect.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (6)
1. The utility model provides an auto-parts radial surface defect detection device in shaft hole formula, its characterized in that: comprises a bottom plate (1), wherein the upper end of the bottom plate (1) is fixedly connected with a detection disc (2), the upper end of the bottom plate (1) is also connected with a hole-changing disc (3) through an electric rotating shaft, a plurality of holes (301) distributed in an annular array are cut on the hole-changing disc (3), the ends of the hole-changing disc (3) and the detection disc (2) which are close to each other are mutually embedded and contacted, the left and right upper ends of the bottom plate (1) are fixedly connected with upright posts (41), the upper ends of the two upright posts (41) are fixedly connected with a top plate (42), a plurality of jacks are cut on the top plate (42), fitting positioning columns (6) are inserted in the jacks, pushing assemblies (7) are arranged on the front side and the rear side of the contact position of the detection disc (2) and the hole changing disc (3), the pushing assemblies (7) are fixedly connected with the bottom plate (1), limiting holes are cut on the bottom plate (1), the distance between the overlooking circle center of the limiting holes and the center point of the hole changing disc (3) is consistent with the distance between the circle center of the matching holes (301) and the circle center of the hole changing disc (3), and the limiting holes are positioned on one side, close to the detection disc (2), of the circle center of the hole changing disc (3);
the pushing assembly (7) comprises a longitudinal column (71) and a flat electric push rod (72) connected to the longitudinal column (71) through an electric sliding rail, an L-shaped compression rod (73) is fixedly connected to the upper end of the extension end of the flat electric push rod (72), a longitudinal electric push rod (8) is fixedly connected to the lower end of the top plate (42), and a rolling ball is movably connected to the bottom of the longitudinal electric push rod (8);
the detection disc (2) comprises a shell (21), a baffle plate, a pneumatic control plate (23) and an air cushion (22), wherein the baffle plate is in sliding connection with the inner wall of the shell (21), the pneumatic control plate (23) is respectively arranged on the upper side and the lower side of the baffle plate, a porous hard plate (24) is fixedly inlaid on the upper end face of the shell (21), a plurality of groups of evenly distributed contact sheet groups are connected to the upper end of the pneumatic control plate (23), a plurality of through holes corresponding to the contact sheet groups are cut on the porous hard plate (24), the upper end of the contact sheet groups extend into the through holes, a display surface which is expanded or contracted in proportion with the porous hard plate (24) is simulated on the simulation module, a plurality of signal origins which are respectively connected with a plurality of contact sheet groups through c language programming are arranged on the display surface, one end of the air cushion (22) away from the hole-changing disc (3) is fixedly connected with an air expanding strip (201), the outer end of the air expanding strip (201) is fixedly connected with an air charging tube (202), the air cushion (22) is of an elastic sealing structure, the contact surface of the air expanding strip (201) is not smaller than the contact surface of the shell (21/the air cushion (21), and the air expanding strip is provided with a plurality of air expanding holes (201).
2. The shaft hole type automobile part radial surface defect detection device according to claim 1, wherein: the inner diameters of the plurality of insertion holes gradually increase along the direction from left to right, the inner diameters of the plurality of matching holes (301) are respectively consistent with the plurality of insertion holes, and the inner diameters of the limiting holes are consistent with the maximum inner diameter of the matching holes (301).
3. The shaft hole type automobile part radial surface defect detection device according to claim 1, wherein: the base plate (1) further comprises a simulation module arranged on the computer, the simulation module is in signal connection with the detection disc (2), and the simulation module is used for simulating the change condition of the contact surface between a plurality of automobile parts and the detection disc (2).
4. The shaft hole type automobile part radial surface defect detection device according to claim 1, wherein: the contact group comprises an electric plate (91) fixedly connected to the pneumatic control plate (23) and two hard conducting strips (92) electrically connected to the upper ends of the electric plate (91), and the upper ends of the two hard conducting strips (92) are mutually flush.
5. The shaft hole type automobile part radial surface defect detection device according to claim 4, wherein: in the detection, the specific steps are as follows:
s1, aligning one of mounting holes on the shaft hole type automobile accessory with a limiting hole, aligning the hole matching plate (3) with the corresponding hole matching plate (301) on the inner side of the mounting hole with the limiting hole, selecting a corresponding accessory positioning column (6) to insert into the mounting hole, and enabling the accessory positioning column to sequentially penetrate through the mounting hole, the hole matching plate (301) and the limiting hole;
s2, controlling the two pushing assemblies (7) and the longitudinal electric push rod (8) to extend, enabling the longitudinal electric push rod (8), the horizontal electric push rod (72) and the L-shaped press rod (73) to be in contact with the upper surface of an automobile part, and forming an edge profile corresponding to the part on a display surface after the simulation module obtains a signal of electrifying the contact group;
s3, slowly inflating the air cushion (22) to enable the air cushion to expand and push the pneumatic control plate (23) to move upwards, enabling the plurality of contact groups to be in contact with the lower surface of the automobile part, observing a display surface simulated in a simulation module on a computer screen, and primarily judging the defect type of the lower surface of the automobile part according to the change condition of a signal origin in the outline of the upper edge of the display surface;
s4, controlling the other mounting hole on the automobile part to correspond to the limit, repeating the steps to finish the defect detection on the lower surface of the automobile part, reversing the automobile part, and repeating the steps to finish the defect detection on the other surface.
6. The shaft hole type automobile part radial surface defect detection device according to claim 5, wherein: a step of rechecking the defect type can be added between the step S3 and the step S4, specifically: when the display surface is obviously different from the standard picture, the two flat electric push rods (72) are respectively controlled to extend, so that the automobile parts rotate back and forth around the part positioning column (6) in a small range, and when the area which is different from the standard picture in the step S3 is observed to move along with the movement of the automobile parts, the defect type of the automobile parts in the step S3 is proved to be truly present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311453713.9A CN117190965B (en) | 2023-11-03 | 2023-11-03 | Radial surface defect detection device of auto-parts in shaft hole formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311453713.9A CN117190965B (en) | 2023-11-03 | 2023-11-03 | Radial surface defect detection device of auto-parts in shaft hole formula |
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| CN117190965A CN117190965A (en) | 2023-12-08 |
| CN117190965B true CN117190965B (en) | 2024-01-23 |
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| CN113155024A (en) * | 2021-04-07 | 2021-07-23 | 杭州江奥光电科技有限公司 | Method and device for measuring size and detecting defects of annular workpiece |
| CN217411553U (en) * | 2022-01-17 | 2022-09-13 | 深圳市联君科技股份有限公司 | Small bag appearance detection device based on deep learning |
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2023
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| KR20050010355A (en) * | 2003-07-19 | 2005-01-27 | 주식회사 포스코 | apparatus for milling and detecting defects of surface of a hot strip feeder |
| KR101732820B1 (en) * | 2015-12-08 | 2017-05-08 | (주)제이 앤 엘 테크 | Vision system for inspecting defects on surface of gravure printing roller |
| CN112595244A (en) * | 2020-12-02 | 2021-04-02 | 常州信息职业技术学院 | Pipeline quality detection device and method based on laser and industrial camera |
| CN113155024A (en) * | 2021-04-07 | 2021-07-23 | 杭州江奥光电科技有限公司 | Method and device for measuring size and detecting defects of annular workpiece |
| CN217411553U (en) * | 2022-01-17 | 2022-09-13 | 深圳市联君科技股份有限公司 | Small bag appearance detection device based on deep learning |
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