CN211235583U - Cylindrical product surface defect detection device based on machine vision technology - Google Patents
Cylindrical product surface defect detection device based on machine vision technology Download PDFInfo
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- CN211235583U CN211235583U CN201921595139.XU CN201921595139U CN211235583U CN 211235583 U CN211235583 U CN 211235583U CN 201921595139 U CN201921595139 U CN 201921595139U CN 211235583 U CN211235583 U CN 211235583U
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- surface defect
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Abstract
The utility model discloses a cylinder product surface defect detection device based on machine vision technique, comprises a workbench, the bottom of workstation is even to be equipped with a plurality of landing legs, the middle part of workstation is equipped with observes the hole, the top of workstation is equipped with a plurality of cameras, the camera passes through base fixed connection on the workstation, common fixedly connected with backup pad between all landing legs, the top of backup pad is even to be equipped with a plurality of electric telescopic device, the common fixedly connected with in top of the telescopic link on all electric telescopic device and the lifter plate that looks aperture cooperatees, the top of lifter plate is installed and is looked aperture cooperateed angle adjustment mechanism; utilize the position of the slow adjustment cylinder product of angle adjustment mechanism and electronic telescoping device, then the outside of the fixed camera shooting cylinder product of cooperation, the observation process is that the product is in slow removal, and the camera remains fixed mounting throughout, can effectually guarantee the stability of camera lens, can guarantee the detection quality of cylinder product.
Description
Technical Field
The utility model belongs to the technical field of cylinder product surface defect check out test set technique and specifically relates to a cylinder product surface defect detection device based on machine vision technique.
Background
The machine vision technology is a cross discipline in many fields such as artificial intelligence, neurobiology, psychophysics, computer science, image processing and pattern recognition. Machine vision mainly uses a computer to simulate the visual function of a human, extracts information from an image of an objective object, processes and understands the information, and finally is used for actual detection, measurement and control. The machine vision technology has the biggest characteristics of high speed, large information amount and multiple functions.
At present, when using machine vision technique to carry out quick inspection to the column outer surface defect of multiple diameter, adopt fixed product more, carry out comprehensive observation through removing machine vision, however, this kind of observation mode causes the sight to rock because machine vision's continuous removal easily, and the video of shooing is unfavorable for the staff to observe, leads to the defect that some is tiny can not be found, and the product detection effect is poor, is difficult to satisfy modern production demand.
Therefore, the utility model provides a cylinder product surface defect detection device based on machine vision technique for solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cylinder product surface defect detection device based on machine vision technique to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a cylinder product surface defect detection device based on a machine vision technology comprises a workbench, wherein a plurality of supporting legs are uniformly arranged at the bottom end of the workbench, an observation hole is formed in the middle of the workbench, a plurality of cameras are arranged at the top end of the workbench, all the cameras are arranged around the observation hole in a circular array mode and are fixedly connected onto the workbench through a base, a supporting plate is fixedly connected between all the supporting legs together, a plurality of electric telescopic devices are uniformly arranged at the top end of the supporting plate, lifting plates matched with the observation hole are fixedly connected at the top ends of telescopic rods on all the electric telescopic devices together, an angle adjusting mechanism matched with the observation hole is installed at the top ends of the lifting plates, a protective cover is sleeved at the top end of the workbench and is sleeved outside the cameras, and an observation display screen is fixedly installed at the top end of the protective cover, the observation display screen is respectively connected with all the cameras, the cylindrical product to be detected is placed on the angle adjusting mechanism, then all the cameras are used for shooting the bottom of the outer side of the cylindrical product, the shot video data are directly played through the observation display screen, the observation is convenient for a detector to observe, the telescopic rod is accommodated through the electric telescopic device in the observation process, so that the lifting plate is lowered, the angle adjusting mechanism and the cylindrical product can be lowered, meanwhile, the angle adjusting mechanism drives the cylindrical product to continuously and slowly rotate, so that the camera gradually shoots the outer circular surface of the cylindrical product, the surface of the cylindrical product is subjected to omnibearing detection, and the occurrence of detection dead angles can be effectively prevented; meanwhile, the whole detection process is that the product moves slowly, the camera is always fixedly mounted, the stability of the lens can be effectively guaranteed, the shooting accuracy is guaranteed, and the detection quality of the cylindrical product can be guaranteed.
The rear side end of protection casing inlays and is equipped with the observation window, through the observation window, the observer can directly utilize the surface of naked eye observation cylinder product, and supplementary camera observes to further improve observation quality.
The front of protection casing articulates there is the door of predetermineeing, the expansion end fixed mounting who predetermines the door has the handle, can directly open the protection casing through predetermineeing the door, is convenient for accomplish the last unloading that detects the product, and it is very convenient to use.
In a further embodiment, angle adjustment mechanism includes the slide rail, the slide rail is the ring structure, and slide rail fixed mounting is on the lifter plate, and sliding connection has the detection platform on the slide rail, the bottom fixed mounting of lifter plate has angle motor, it is connected with the pivot to rotate on the angle motor, lifter plate and fixed connection are run through on the top of pivot are detected at the bench, and the pivot is rotated and is connected on the lifter plate, and it is rotatory to drive the pivot through angle motor, utilizes the pivot to drive and detects the bench and rotate on the slide rail to it is rotatory to utilize rotatory detection bench to drive the cylinder product of placing on it, and the camera of being convenient for carries out comprehensive observation to the surface of cylinder product.
In a further embodiment, the top end of the detection table is provided with an illumination groove, the illumination groove is an annular groove, the axis of the illumination groove coincides with the axis of the detection table, the top end of the inner side of the illumination groove is in through connection with an oblique illumination cavity, the cross section of the oblique illumination cavity is of a right-angled triangle structure, a plurality of LED lamps are uniformly and fixedly mounted on the bottom wall of the inner cavity of the illumination groove, a protection plate matched with the oblique illumination cavity is fixedly mounted at an opening in the top end of the illumination groove, the protection plate is made of transparent glass, a storage battery is embedded in the detection table, a charging interface is embedded at one side end of the detection table, the storage battery is respectively connected with the charging interface and all the LED lamps, a cylindrical product to be detected is placed in the middle of the top end of the detection table, then all the LED lamps are turned on, the surface of the cylindrical product to be detected is, the effect of the camera shooting is improved, and the surface quality detection effect of the cylindrical product can be further improved.
The bottom of detecting the platform is equipped with the spout with slide rail matched with, detects the platform and passes through the sliding connection of mutually supporting of spout and slide rail on the slide rail.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model utilizes the angle adjusting mechanism and the electric telescopic device to slowly adjust the position of the cylindrical product, then the fixed camera is matched to shoot the bottom of the outer side of the cylindrical product, and the shot video data is directly played through the observation display screen, so that the detection personnel can conveniently observe, the observation process can carry out all-dimensional detection on the surface of the cylindrical product, and the occurrence of detection dead angles can be effectively prevented; meanwhile, the whole detection process is that the product moves slowly, and the camera is always fixedly installed, so that the stability of the lens can be effectively ensured, the shooting accuracy is ensured, and the detection quality of the cylindrical product can be ensured;
2. the utility model drives the rotating shaft to rotate through the angle motor, and drives the detection platform to rotate on the sliding rail by utilizing the rotating shaft, thereby driving the cylindrical product placed on the detection platform to rotate by utilizing the rotating detection platform, and being convenient for the camera to carry out comprehensive observation on the surface of the cylindrical product;
3. the utility model discloses a waiting to detect the cylinder product and placing at the top middle part of examining test table, then open all LED lamps, utilize the LED lamp to shine and waiting to detect the surface of cylinder product, increase the luminance on cylinder product surface, improve the effect that the camera was shot, can further improve cylinder product surface quality detection effect.
Drawings
FIG. 1 is a schematic structural diagram of a front view of a cylindrical product surface defect detection device based on a machine vision technology;
FIG. 2 is a schematic structural diagram of a front cross-sectional view of a cylindrical product surface defect detection device based on a machine vision technology;
FIG. 3 is a schematic cross-sectional structure diagram of a detection table of a cylindrical product surface defect detection device based on a machine vision technology;
fig. 4 is a schematic perspective structure diagram of a detection table of a cylindrical product surface defect detection device based on a machine vision technology.
In the figure: 1-a workbench, 2-supporting legs, 3-an observation hole, 4-a camera, 5-a base, 6-a supporting plate, 7-an electric telescopic device, 8-a telescopic rod, 9-a lifting plate, 10-an angle adjusting mechanism, 101-an angle motor, 102-a rotating shaft, 103-a sliding rail, 104-a detection table, 1041-an illumination groove, 1042-an oblique illumination cavity, 1043-an LED lamp, 1044-a protection plate, 1045-a sliding groove, 1046-a storage battery, 1047-a charging interface, 11-a protection cover, 12-an observation window, 13-a preset door, 14-a handle and 15-an observation display screen.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a cylindrical product surface defect detection device based on a machine vision technology comprises a workbench 1, wherein a plurality of supporting legs 2 are uniformly arranged at the bottom end of the workbench 1, an observation hole 3 is arranged in the middle of the workbench 1, a plurality of cameras 4 are arranged at the top end of the workbench 1, all the cameras 4 are respectively arranged around the observation hole 3 in a circular array manner, the cameras 4 are fixedly connected to the workbench 1 through a base 5, a supporting plate 6 is commonly and fixedly connected among all the supporting legs 2, a plurality of electric telescopic devices 7 are uniformly arranged at the top end of the supporting plate 6, lifting plates 9 matched with the observation hole 3 are commonly and fixedly connected to the top ends of telescopic rods 8 on all the electric telescopic devices 7, an angle adjusting mechanism 10 matched with the observation hole 3 is installed at the top ends of the lifting plates 9, a protective cover 11 is sleeved at the top end of the workbench 1, the protective cover 11 is sleeved outside the camera 4, the top end of the protective cover 11 is fixedly provided with an observation display screen 15, the observation display screen 15 is respectively connected with all the cameras 4, the cylindrical product to be detected is placed on the angle adjusting mechanism 10, then all the cameras 4 are used for shooting the bottom of the outer side of the cylindrical product, the shot video data are directly played through the observation display screen 15, so that the detection personnel can conveniently observe the cylindrical product, the electric expansion device 7 is used for accommodating the expansion link 8 in the observation process, the lifting plate 9 is lowered, the angle adjusting mechanism 10 and the cylindrical product can be lowered, and simultaneously the angle adjusting mechanism 10 drives the cylindrical product to continuously and slowly rotate, so that the camera 4 gradually shoots the outer circular surface of the cylindrical product, the surface of the cylindrical product is detected in all directions, so that detection dead angles can be effectively prevented; meanwhile, the whole detection process is that the product moves slowly, the camera 4 is always fixedly mounted, the stability of the lens can be effectively guaranteed, the shooting accuracy is guaranteed, and the detection quality of the cylindrical product can be guaranteed.
The rear side end of the protection cover 11 is embedded with an observation window 12, and through the observation window 12, an observer can directly observe the surface of the cylindrical product by naked eyes, and the auxiliary camera 4 is used for observation, so that the observation quality is further improved.
The front of protection casing 11 articulates there is preset door 13, the expansion end fixed mounting who predetermines door 13 has handle 14, can directly open protection casing 11 through presetting door 13, is convenient for accomplish the last unloading that detects the product, and it is very convenient to use.
Example 2
Referring to fig. 3-4, the difference from example 1 is: the top end of the detection table 104 is provided with an illumination slot 1041, the illumination slot 1041 is an annular slot, the axis of the illumination slot 1041 coincides with the axis of the detection table 104, the top end of the inner side of the illumination slot 1041 is connected with an oblique illumination cavity 1042 in a through manner, the cross section of the oblique illumination cavity 1042 is of a right-angled triangle structure, the bottom wall of the inner cavity of the illumination slot 1041 is uniformly and fixedly provided with a plurality of LED lamps 1043, the top opening of the illumination slot 1041 is fixedly provided with a protection plate 1044 matched with the oblique illumination cavity 1042, the protection plate 1044 is made of transparent glass, a storage battery 1046 is embedded in the detection table 104, one side end of the detection table 104 is embedded with a charging interface 1047, the storage battery 1046 is respectively connected with the charging interface 1047 and all the LED lamps 1043, a cylindrical product to be detected is placed in the middle of the top end of the detection table 104, then all the LED lamps 1043 are turned on, the brightness of the surface of the cylindrical product is increased, the shooting effect of the camera 4 is improved, and the surface quality detection effect of the cylindrical product can be further improved.
The bottom end of the detection platform 104 is provided with a chute 1045 matched with the slide rail 103, and the detection platform 104 is connected on the slide rail 103 in a sliding manner by the matching of the chute 1045 and the slide rail 103.
Working principle of examples 1-2: the cylindrical product to be detected is placed on the angle adjusting mechanism 10, then the outer bottom of the cylindrical product is shot by all the cameras 4, the shot video data is directly played through the observation display screen 15, the observation is convenient for detection personnel to observe, the telescopic rod 8 is stored through the electric telescopic device 7 in the observation process, so that the lifting plate 9 is lowered, the angle adjusting mechanism 10 and the cylindrical product can be lowered, meanwhile, the rotating shaft 102 is driven to rotate by the angle motor 101, the rotating shaft 102 is used for driving the detection platform 104 to rotate on the sliding rail 103, so that the cylindrical product placed on the detection platform 104 is driven to rotate by the rotating detection platform 104, the outer circular surface of the cylindrical product is gradually shot by the cameras 4, the surface of the cylindrical product is detected in an all-round mode, and detection dead angles can be effectively prevented; meanwhile, the whole detection process is that the product moves slowly, and the camera 4 is always fixedly installed, so that the stability of the lens can be effectively ensured, the shooting accuracy is ensured, and the detection quality of the cylindrical product can be ensured;
treat simultaneously that the cylinder product is placed in the top middle part that detects platform 104, then open all LED lamps 1043, utilize LED lamp 1043 to shine on the surface of treating the cylinder product, increase the surperficial luminance of cylinder product, improve the effect that camera 4 shot.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a cylinder product surface defect detection device based on machine vision technique, includes workstation (1), its characterized in that, the even a plurality of landing legs (2) that are equipped with in bottom of workstation (1), the middle part of workstation (1) is equipped with observation hole (3), the top of workstation (1) is equipped with a plurality of cameras (4), all cameras (4) are circular array and set up respectively around observation hole (3), and camera (4) pass through base (5) fixed connection on workstation (1), all the common fixed connection has backup pad (6) between landing leg (2), the even a plurality of electric telescopic device (7) that are equipped with in top of backup pad (6), the common fixed connection in top of all telescopic link (8) on electric telescopic device (7) has and observes hole (3) matched with lifter plate (9), the top of lifter plate (9) is installed and is observed hole (3) matched with angle adjustment mechanism (10), the top cover of workstation (1) is equipped with protection casing (11), the outside at camera (4) is established in protection casing (11) cover, and the top fixed mounting of protection casing (11) has observation display screen (15), it is connected with all camera (4) respectively to observe display screen (15).
2. The cylindrical product surface defect detecting device based on machine vision technology as claimed in claim 1, characterized in that the rear side end of the protection cover (11) is embedded with a viewing window (12).
3. The cylindrical product surface defect detection device based on the machine vision technology is characterized in that a preset door (13) is hinged to the front face of the protective cover (11), and a handle (14) is fixedly mounted at the movable end of the preset door (13).
4. The cylindrical product surface defect detection device based on the machine vision technology is characterized in that the angle adjustment mechanism (10) comprises a slide rail (103), the slide rail (103) is of a circular ring structure, the slide rail (103) is fixedly installed on the lifting plate (9), an inspection table (104) is connected onto the slide rail (103) in a sliding manner, an angle motor (101) is fixedly installed at the bottom end of the lifting plate (9), a rotating shaft (102) is connected onto the angle motor (101) in a rotating manner, the top end of the rotating shaft (102) penetrates through the lifting plate (9) and is fixedly connected onto the inspection table (104), and the rotating shaft (102) is connected onto the lifting plate (9) in a rotating manner.
5. The cylindrical product surface defect detection device based on the machine vision technology as claimed in claim 4, wherein an illumination groove (1041) is formed in the top end of the detection table (104), the illumination groove (1041) is an annular groove, an oblique illumination cavity (1042) is connected to the top end of the inner side of the illumination groove (1041) in a penetrating mode, a plurality of LED lamps (1043) are uniformly and fixedly mounted on the bottom wall of the inner cavity of the illumination groove (1041), a protection plate (1044) matched with the oblique illumination cavity (1042) is fixedly mounted at an opening in the top end of the illumination groove (1041), the protection plate (1044) is made of transparent glass, a storage battery (1046) is embedded in the detection table (104), a charging interface (1047) is embedded in one side end of the detection table (104), and the storage battery (1046) is connected with the charging interface (1047) and all the LED lamps (1043) respectively.
6. The cylindrical product surface defect detecting device based on machine vision technology as claimed in claim 5, characterized in that the axis of the illumination slot (1041) is coincident with the axis of the detecting table (104).
7. The device for detecting surface defects of cylindrical products based on machine vision technology as claimed in claim 5, characterized in that the cross section of the oblique illumination cavity (1042) is a right-angled triangle structure.
8. The cylindrical product surface defect detection device based on the machine vision technology as claimed in claim 5, characterized in that the bottom end of the detection platform (104) is provided with a chute (1045) matched with the slide rail (103), and the detection platform (104) is slidably connected on the slide rail (103) through the mutual matching of the chute (1045) and the slide rail (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921595139.XU CN211235583U (en) | 2019-09-24 | 2019-09-24 | Cylindrical product surface defect detection device based on machine vision technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921595139.XU CN211235583U (en) | 2019-09-24 | 2019-09-24 | Cylindrical product surface defect detection device based on machine vision technology |
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| CN211235583U true CN211235583U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921595139.XU Expired - Fee Related CN211235583U (en) | 2019-09-24 | 2019-09-24 | Cylindrical product surface defect detection device based on machine vision technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697707A (en) * | 2020-12-04 | 2021-04-23 | 华擎智能科技(苏州)有限公司 | Multi-angle defect detection device |
| CN113295704A (en) * | 2021-05-21 | 2021-08-24 | 安徽精翔自动化科技有限公司 | Robot polishing vision online detection system |
| CN113418550A (en) * | 2021-08-24 | 2021-09-21 | 江苏长江智能制造研究院有限责任公司 | Visual detection device for industrial part production detection and use method |
-
2019
- 2019-09-24 CN CN201921595139.XU patent/CN211235583U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697707A (en) * | 2020-12-04 | 2021-04-23 | 华擎智能科技(苏州)有限公司 | Multi-angle defect detection device |
| CN113295704A (en) * | 2021-05-21 | 2021-08-24 | 安徽精翔自动化科技有限公司 | Robot polishing vision online detection system |
| CN113295704B (en) * | 2021-05-21 | 2024-02-09 | 内蒙古汇栋科技有限公司 | Robot polishing vision on-line detection system |
| CN113418550A (en) * | 2021-08-24 | 2021-09-21 | 江苏长江智能制造研究院有限责任公司 | Visual detection device for industrial part production detection and use method |
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Granted publication date: 20200811 Termination date: 20210924 |