CN104597055B - The product appearance detecting system of multiplexing parallel-by-bit - Google Patents
The product appearance detecting system of multiplexing parallel-by-bit Download PDFInfo
- Publication number
- CN104597055B CN104597055B CN201510010226.4A CN201510010226A CN104597055B CN 104597055 B CN104597055 B CN 104597055B CN 201510010226 A CN201510010226 A CN 201510010226A CN 104597055 B CN104597055 B CN 104597055B
- Authority
- CN
- China
- Prior art keywords
- product
- detected
- detection
- fixed
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 165
- 238000007689 inspection Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Automatic Assembly (AREA)
Abstract
Extend to support frame the invention discloses a kind of product appearance detecting system of multiplexing parallel-by-bit, including workbench, support frame, a part and be fixed on the rotating device of workbench.First positioner is fixed on rotating device, and first positioner is located in the space of support frame formation when detecting product to be detected.The back side detection means and two side detection means being suspended on support frame, after the control signal of main controller is received, back side detection means and two side detection means carry out IMAQ along setting path to the back side of product to be detected and side respectively.Technical scheme in the application can greatly improve the detection efficiency of detecting system.
Description
Technical Field
The invention relates to the field of detection of electro-optical devices, in particular to a multi-station parallel product appearance detection system.
Background
In the manufacturing process of injection molding products, defects such as stains, scratches, particles, etc. may occur on the surfaces of the products. Electronic products such as mobile phones and digital cameras have extremely high requirements on appearance, and if defects exist on the surface, the requirements are not allowed. At present, the detection work of the appearance surface of domestic electronic products mainly depends on the detection of artificial naked eyes. Due to the fact that the characteristic difference of the defects is slight, and due to the fact that the used materials and the lighting conditions of a workshop are limited, some defects are difficult to distinguish from the background, workers need to repeatedly adjust the observation angle to find the defects, the eyes of the workers are in visual fatigue after long-time contact operation, and false detection and missing detection are easily caused.
The machine vision detection technology has the characteristics of non-contact, high speed, high accuracy, intellectualization and the like, and is widely applied to the industry. With the development of modern image processing technology and machine vision equipment, machine vision detection is timely and widely applied to solve more complex problems. Compared with the traditional detection method, the method can more conveniently collect and analyze the tiny defects and can more accurately and quickly finish the detection.
The mobile phone shell detection system needs to detect the quality of the back surface, the left side surface, the right side surface, the front side surface and the rear side surface of the mobile phone shell respectively. The inventor of the invention finds that due to the limitation of the installation positions of the cameras and the light source, the traditional mobile phone appearance detection system based on machine vision needs five cameras to respectively finish the acquisition of back, upper, lower, left and right side images on three stations. The mobile phone shell to be detected needs to pass through two conveyor belts, and steering is achieved between the conveyor belts through the air cylinder. After the images of the back surface, the front side surface (or the back side surface) and the left side surface (or the right side surface) are acquired, the mobile phone appearance detection system needs to rotate to another detection position and then acquire the images of the back side surface (or the front side surface) and the right side surface (or the left side surface), so that the existing mobile phone appearance detection system based on machine vision has the defect of long detection period, and the detection efficiency is low.
Disclosure of Invention
The invention aims to provide a multi-station parallel product appearance detection system capable of shortening a detection period, and the detection efficiency of the detection system can be greatly improved.
According to an aspect of the present invention, an embodiment of the present invention provides a multi-station parallel product appearance detection system, including:
the worktable and the supporting frame fixed on the worktable surface;
a rotating device, a rotating shaft of which is fixed on the table top of the workbench, and a part of the rotating device extends to the lower part of the space formed by the supporting frame;
the first positioning device is used for fixing a product to be detected, is fixed on the rotating device and is positioned in a space formed by the supporting frame when the product to be detected is detected;
the back detection device is suspended on the support frame, and a detection lens of the back detection device is over against the back of the product to be detected;
the two side surface detection devices are suspended on the support frame and are respectively positioned on the outer sides of any group of opposite two side surfaces of the product to be detected; the detection lenses of the two side surface detection devices are symmetrical about the center of the product to be detected, are opposite to the opposite side surfaces and are away from the opposite side surfaces by a set distance;
the main controller is electrically connected with the back detection device and the two side detection devices; and after receiving the control signal of the main controller, the back detection device and the two side detection devices respectively move along a set route.
Further, the detection system further comprises:
and the second positioning device is fixed on the rotating device and is symmetrical with the first positioning device about the axis of the rotating shaft of the rotating device.
Preferably, the optical axes of the detection lenses of the two side detection devices are on the same horizontal line with the center of the product to be detected.
The back detection device comprises a first camera, a first light source and a first support for supporting the first camera and the first light source, wherein a lens of the first camera is over against the back of the product to be detected, and the distance between the lens of the first camera and the back of the product to be detected is set to be high; the light beam of the first light source is parallel to the optical axis of the first camera lens and is perpendicular to the back of the product to be detected.
Preferably, the side detection device includes a second camera, a second light source, and a second support supporting the second camera and the second light source; the lenses of the two second cameras are symmetrical about the center of the product to be detected and are spaced from the opposite side faces by a set distance;
as another preferred scheme, the side detection device comprises a second camera, a second light source and a second bracket for supporting the second camera and the second light source; the second bracket comprises a vertical part and a curved part; the second cameras and the second light source are fixed on the vertical part, and the lenses of the two second cameras are symmetrical relative to the center of the product to be detected and have a set distance with the opposite side surfaces;
a third camera, a third light source and a rotating motor are arranged on the curve part; and the rotating motor is used for enabling the optical axis of the third camera and the connecting curved surface between the third light source and the side surface and the back surface of the product to be detected to be always vertical.
Preferably, the first positioning device comprises a base and a vertical plate vertically fixed on the base; and the number of the first and second groups,
the clamping device is arranged at the top of the vertical plate and comprises a plurality of sub-clamping devices and a plurality of clamping device connecting plates, and the plurality of sub-clamping devices are connected and disassembled through the clamping device connecting plates to clamp and loosen the product to be detected.
Further, the positioning device further comprises:
the fixture automatic control device comprises a motor, a coupler and a fixture fixing block, wherein one end of the fixture fixing block is connected with the fixture connecting plate, and the other end of the fixture fixing block is connected with the motor through the coupler; through the linkage effect of the coupler, the fixture fixing block drives the fixture connecting plate to be switched between a connecting state and a disassembling state.
Still further, the positioning device further comprises:
and the air suction motor is arranged below the product to be detected, is connected with the main controller and is used for sucking the product to be detected when the product to be detected is clamped by the clamp.
Preferably, the supporting frame comprises a plurality of upright posts with the same height and a fixing plate, and the fixing plate is fixed at the tops of the upright posts.
The back detection device is fixed on the fixing plate through a first module, and the two side detection devices are fixed on the supporting frame through a second module and a third module respectively; wherein,
the first module comprises a fixed frame and a first guide rail; the fixed frame is fixed on the bottom surface of the fixed plate, and the first guide rail is transversely or longitudinally arranged on the fixed frame;
the second module and the third module both comprise a transverse guide rail and a longitudinal screw rod. The transverse guide rail and the longitudinal screw rod of the second module and the transverse guide rail and the longitudinal screw rod of the third module are interwoven to form a Chinese character 'jing', and are positioned at the periphery of the first module;
the first module, the second module and the third module are all fixed on the bottom surface of the fixing plate.
According to the technical scheme, the rotary device is used for realizing station alternate detection and sheet feeding and sheet discharging, so that the detection efficiency is increased in a multiplied mode, meanwhile, the detection area of the product to be detected is divided into three parts, the optimal scanning path planning is carried out on each part, continuous scanning is carried out on the back side detection device and the two side detection devices simultaneously according to the planned path, and the detection period of the single product to be detected is shortened. Therefore, the technical scheme in the application can greatly improve the detection efficiency of the detection system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a multi-station parallel product appearance inspection system according to a preferred embodiment;
FIG. 2 is a schematic diagram illustrating a first positioning device in accordance with a preferred embodiment;
FIG. 3 is a schematic diagram illustrating a first module mounted backside inspection device in accordance with a preferred embodiment;
FIG. 4 is a schematic diagram illustrating the structure of the second module and the third module mounting side detection device according to a preferred embodiment;
fig. 5 illustrates the direction of movement of the two side detection means according to a preferred embodiment.
Detailed Description
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Aiming at the defect that the camera setting is too much or too few in the existing mobile phone appearance detection device, the inventor of the invention plans the scanning path of the area to be detected of the mobile phone, determines the structure of a multi-station parallel product appearance detection system and the using number of cameras according to the number of the planned paths, and continuously scans each camera according to the corresponding path. The corresponding number of cameras is configured based on the optimized path, and the multiple cameras work simultaneously, so that the detection speed can be greatly increased, and the hardware cost is saved.
The structure and the working principle of the multi-station parallel product appearance detection system are explained in detail in the following by combining specific embodiments.
Fig. 1 is a schematic structural diagram of a multi-station parallel product appearance inspection system according to a preferred embodiment. As shown in fig. 1, the multi-station parallel product appearance inspection system includes a workbench 1, a support frame 2, a first positioning device 3, a back side inspection device 4, two side inspection devices 5, a rotating device 9 and a main controller (not shown in the figure).
The supporting frame 2 is fixed on the table-board of the working table 1. Preferably, the supporting frame 2 in this embodiment includes four upright posts 21 and a fixing plate 22, the four upright posts are square, and the fixing plate is fixed on the tops of the four upright posts. In this application, the one side of the fixed plate facing the workbench 1 is defined as the bottom surface of the fixed plate, and the side opposite to the bottom surface is defined as the top surface of the fixed plate. It should be noted that, the number of the columns is 4, which is only exemplary, and is not used to limit the number of the columns.
The rotating shaft of the rotating device 9 is fixed on the table top of the workbench. As a preferred embodiment of the embodiments, a turntable is preferably used as the rotating means in the present embodiment. One part of the rotating disc extends to the lower part of the space formed by the supporting frame, and the rest part of the rotating disc is positioned outside the space formed by the supporting frame.
The first positioning device 3 is used for fixing a product to be detected. The first positioning means 3 are fixed to the edge of the turntable. When a product to be detected is detected, the first positioning device is positioned in a space formed by the support frame. Before a product to be detected is detected, the position of the first positioning device needs to be unchanged, preferably, the center of the first positioning device 3 and the center of the fixing plate in the support frame 2 are on the same vertical line, and after the product to be detected is fixed on the first positioning device 3, the center of the product to be detected and the center of the fixing plate at the top of the support frame 2 are also on the same vertical line.
Along with the rotation of carousel, first positioner moves to the position of waiting to detect below the support frame, and after waiting to detect the product and finishing detecting to waiting on the first positioner, rotate the carousel, move out first positioner outside the space that the support frame formed, the product that will finish detecting is unloaded and is installed next product that waits to detect, rotates first positioner to the detection position of support frame below afterwards and detects next product that waits to detect, and the circulation is in proper order.
In view of the fact that when the first positioning device is located at the detection position below the support frame for detection, the part located outside the space formed by the support frame is in an idle state, in order to further improve the detection efficiency, the detection system in the application is further provided with the second positioning device 10 on the turntable. Preferably, the second positioning means is symmetrical to the first positioning means about the axis of rotation of the rotating means.
It should be noted that the second positioning device provided on the rotating device of the present application may be one or more. When the second positioning device is plural, it may be arranged in a circular array with the first positioning device.
Fig. 2 is a schematic structural diagram illustrating a first positioning device according to a preferred embodiment. As shown in fig. 2, the first positioning device 3 includes a base 30 and a vertical plate 31 vertically fixed on the base. A clamp 32 is arranged on the top of the vertical plate. Preferably, jig 32 includes a plurality of minute cards and a plurality of jig connection plates 321 for connecting minute cards 320. The two sub-cards are connected and disassembled through the clamp connecting plate to clamp and loosen the two sub-cards. The sub-clamps with the set number respectively realize the clamping and the loosening of the product to be detected in two states of the connection and the disassembly of the clamp connecting plate. The first positioning device 3 of the structure realizes connection and disassembly of the fixture connecting plate through manual operation.
Further, in order to enable the first positioning device 3 to realize automatic clamping and loosening of the product to be detected, the first positioning device 3 further comprises a fixture automatic control device. The automatic fixture control device comprises a motor 33, a coupler 34 and a fixture fixing block 35, wherein one end of the fixture fixing block is connected with the fixture connecting plate, and the other end of the fixture fixing block is connected with the motor through the coupler. Through the linkage effect of the coupler, the fixture fixing block drives the fixture connecting plate to be switched between a connecting state and a disassembling state. The motor is electrically connected with the main controller, and the main controller drives the shaft coupling through the motor, so as to control the first positioning device 3 to automatically clamp and loosen a product to be detected.
Furthermore, the first positioning device 3 further comprises a suction motor 36 electrically connected to the master controller. The suction motor is arranged below the product to be detected and used for sucking the product to be detected when the product to be detected is clamped by the clamp, so that the product to be detected can be better attached to the clamp, and the product to be detected is better fixed.
It should be noted that the structure of the first positioning device 3 shown in the present embodiment is only exemplary, and any structure capable of fixing the product to be detected falls within the protection scope of the present invention.
Preferably, the second positioning means has the same structure as the first positioning means.
The back detection device 4 is fixed on the support frame 2 through a first module 6. Preferably, the first module is disposed at the center of the bottom surface of the fixing plate. Fig. 3 is a schematic structural diagram illustrating a first module mounting backside inspection device according to a preferred embodiment. As shown in fig. 3, the first module 6 includes a fixed frame 60 and a first guide rail 61. The fixing frame 60 is fixed to the bottom surface of the fixing plate 22, and the first guide rail 61 is transversely or longitudinally installed on the fixing frame 60. The back detection device 4 is arranged on the first guide rail and electrically connected with the main controller, and the back detection device 4 moves along the first guide rail along a set route under the control of the main controller. In the present embodiment, the set route of the back surface detection device 4 is preferably a linear motion in the lateral direction or the longitudinal direction.
The fixing frame in the embodiment can be directly fixed on the bottom surface of the fixing plate through screws; a through hole can be formed in the center of the fixing plate, and the fixing frame penetrates through the through hole of the fixing plate and is fixed through a fixing rod arranged on the top surface of the fixing plate. In the present application, the mounting manner of the fixing frame fixed on the fixing plate is not specifically limited, and all fixing manners capable of fixing the back detection device 4 on the fixing plate fall within the protection scope of the present invention.
In the present application, the backside detection device 4 includes a first camera 40, a first light source 41, and a first bracket 42 supporting the first camera and the first light source. The first camera is located at the bottom of the first bracket. The lens of the first camera is over against the back of the product to be detected, the distance between the lens and the back of the product to be detected is set to be high, and the first camera can shoot a clear image of the back of the product to be detected within the set height range. The light beam of the first light source is parallel to the optical axis of the first camera lens and is perpendicular to the back of the product to be detected.
The two side detection devices 5 are fixed on the support frame 2 through a second module and a third module respectively. Specifically, the second module and the third module are fixed on the bottom surface of the fixing plate, the second module and the third module are respectively arranged on two sides of the first module, and the second module and the third module are respectively fixed with a side detection device 5.
Fig. 4 is a schematic structural diagram illustrating the second module and the third module being mounted with the side detection device according to a preferred embodiment. As shown in fig. 4, the second module 7 and the third module 8 in this embodiment have the same structure, and each include a transverse guide rail and a longitudinal screw. The transverse guide rail and the longitudinal screw rod of the second module and the transverse guide rail and the longitudinal screw rod of the third module are interwoven to form a Chinese character 'jing' shape and are positioned at the periphery of the first module. The two side detection devices are electrically connected with the main controller, and can move along the transverse guide rail and the longitudinal screw rod of the module on which the set track is positioned under the control of the main controller.
In the present application, each side detection apparatus includes a second camera 50, a second light source 51, and a second holder 52 supporting the second camera and the second light source. The two side surface detection devices arranged on the second support are positioned on the outer sides of the front side surface and the rear side surface or the left side surface and the right side surface of the product to be detected, and the lenses of the second cameras of the two side surface detection devices are symmetrical about the center of the product to be detected and have a set distance with the opposite side surfaces. The optical axis of the second camera and the light beam of the second light source are held perpendicular to the opposite side.
Preferably, the optical axes of the lenses of the second cameras of the two side detection devices are on the same horizontal line with the center of the product to be detected.
Further, when the joining portion between the side surface and the back surface of the product to be detected is a curved surface, each of the side surface detecting devices in the present application further includes a third camera 53 and a third light source 54. The second bracket in this technical scheme includes vertical portion and curved part, and the vertical portion is equivalent to the second bracket in the above-mentioned embodiment, installs second camera and second light source. The lenses of the two second cameras are symmetrical about the center of the product to be detected and are at a set distance from the opposite side faces.
The third camera and the third light source are installed on the curve part. Furthermore, the third camera and the third light source are jointly mounted on a mounting seat arranged on a rotating shaft of a rotating motor. The rotating motor is fixed to the curved portion. The rotating motor drives the third camera and the third light source to synchronously rotate along with the rotating shaft of the third camera, and the optical axis of the third camera and the light beam of the third light source are always perpendicular to the connecting curved surface between the side face and the back face of the product to be detected.
The working principle of the multi-station parallel product appearance inspection system shown in the above embodiment is explained in detail below. Specifically, the method comprises the following steps:
and S101, loading and unloading.
The first positioning device and the second positioning device are provided on the rotating device for example. As shown in fig. 1, the turntable is provided with two stop positions, a first station a and a second station a'. The first station A is positioned below the support frame 2, and the center of the position is on the same vertical line with the center of the top fixing plate of the support frame 2. After the first positioning device 3 stops at the first station a, the center of the product to be detected fixed on the first positioning device 3 and the center of the fixing plate are also on the same vertical line. The second station A' is symmetrical to the first station A about the axis of the rotating shaft. When the first positioning means 3 are parked in the first station a, the second positioning means are parked in the second station a'.
And (3) sheet preparation: and (3) opening the clamp of the first positioning device 3 on the second station A', disconnecting the air suction motor, and taking down the detected product. The first time the sheets are loaded, the sheets are not unloaded.
Loading a slice: fixing the product to be detected on the first positioning device 3, wherein the back of the product to be detected faces upwards, and enabling the center of the product to be detected and the center of the first positioning device to be on the same vertical line. After the product to be detected is placed, the clamp is clamped, and the air suction motor is started to suck air.
In this application, the upper piece of the product to be detected means that the product to be detected is fixed on the positioning device by the fixture, and the lower piece means that the product to be detected is dismounted from the fixture.
And S102, rotating the turntable.
The turntable is rotated 180 degrees, and the first positioning device 3 rotates from the second station A' to the first station A. The second positioning device 10 rotates to the second station a' and carries out the lower and upper sheets of the product to be detected.
S103, determining the position relationship between the back detection device and the back of the product to be detected and the position relationship between the two side detection devices and the opposite side surfaces thereof.
In this step, the position relationship between the back detection device 4 and the back of the product to be detected is comprehensively determined by the depth of field of the first camera, the height of the first positioning device 3 and the thickness of the product to be detected. The distance range between the back detection device 4 and the back of the product to be detected is based on the fact that the first camera can obtain a clear image of the back of the product to be detected.
The distance range between the lens of the second camera of the two-side surface detection device and the side surface of the product to be detected is based on the fact that the second camera can obtain a clear image of the back surface of the product to be detected. The optical axes of the two second camera lenses are on the same horizontal line with the center of the side face towards which the second camera faces. The optical axes of the two second cameras and the center of the product to be detected are on the same horizontal line, and the two second cameras are symmetrical relative to the center of the product to be detected, so that interference generated when the second light sources of the two side surface detection devices are in opposite emission can be effectively avoided.
When the side of the product to be detected comprises the chamfer curved surface, the distance between a third camera in the side detection device and the chamfer curved surface needs to be adjusted, and the motion track of the adjusting device is set to be consistent with the arc track of the chamfer curved surface, so that the third camera can always obtain a clear image of the chamfer curved surface. The second camera is used for scanning the opposite side surfaces in the corresponding tracks and the connecting curved surfaces between the adjacent side surfaces.
And S104, planning the movement paths of the back detection device and the two side detection devices, and enabling the two side detection devices to be symmetrical about the center of the product to be detected in the initial position and the movement process.
In the present application, the back surface detection device 4 and the two side surface detection devices simultaneously detect the detection surfaces that are oriented. The motion trajectory of the back side detection device 4 is a straight line, i.e. the back side detection device 4 can move and scan from one edge of the product to be detected to the other edge in the transverse direction, and can also move and scan from one edge of the product to be detected to the other edge in the longitudinal direction.
The motion track of the two side surface detection devices can have various schemes. Based on the fact that the two side surface detection devices are prevented from colliding in the detection process, the motion trends of the two side surface detection devices are the same. The initial positions of the two side surface detection devices are symmetrical about the center of the first positioning device 3, and the central symmetry of the product to be detected is always kept in the operation process. If one side detection device moves in a clockwise direction, the other side detection device also moves in a clockwise direction.
Fig. 5 illustrates the direction of movement of the two side detection means according to a preferred embodiment. As shown in fig. 5, the two-side surface detection devices 5 are centrosymmetric with respect to the object to be detected, and the centrosymmetry is maintained during the movement, so that the mutual interference of the second cameras in the two-side surface detection devices can be effectively avoided. Meanwhile, the two side surface detection devices are centrosymmetric about the object to be detected, and the centrosymmetry is maintained in the motion process, so that the detection time of the two side surface detection devices can be ensured to be consistent, and if the detection path of one side surface detection device is slightly larger than that of the other side surface detection device, the detection time is the difference of two paths x 2/the moving speed of the side surface detection device. As can be seen, the route plan has the shortest detection time for the two-side surface detection device.
And S105, opening the fixture of the first positioning device at the first station A.
It should be noted that before opening the fixture of the first positioning device at the first station a, it is necessary to confirm whether the second cameras of the two side detection devices are located at the initial setting position, that is, to confirm whether the states of the two side detection devices are in the home position. After the homing is confirmed, the main controller controls the fixture to be opened. The fixture is opened so that the two side detection devices can collect the complete image of the side of the product to be detected.
And S106, simultaneously detecting the back detection device and the two side detection devices.
After the movement tracks of the back detection device 4 and the two side surface detection devices are set, the back detection device 4 and the two side surface detection devices scan and detect the oriented surfaces to be detected at the same time under the control of the main controller.
When the side surface of the product to be detected comprises the chamfer curved surface, the side surface detection device comprising the third camera scans and detects the vertical side surface and the chamfer curved surface of the product to be detected simultaneously.
The back detection device 4 and the two side detection devices perform detection simultaneously, and the detection time of the multi-station parallel product appearance detection system is determined by the detection time T required by the longer device of the back detection device 4 and the side detection devices. Therefore, the appearance detection of the product can be finished within the time period T. Compared with the mode that the back face, the left side face, the right side face, the front side face and the rear side face of the product are detected simultaneously, the mechanical structure is simplified, and the detection efficiency is improved. Compared with the successive detection of five detection surfaces, the detection period is greatly shortened.
S107: and closing the fixture of the first positioning device, and detecting whether the fixture of the second positioning device is closed.
S108: and (4) rotating the turntable by 180 degrees to detect the products to be detected on the second positioning device in S103-S106.
And confirming the closing state of the fixture in the first positioning device and the closing state of the fixture in the second positioning device before rotation, and rotating the turntable after the two fixtures are closed. And after the second station is switched to, a rotation in-place signal is sent to the main control console.
S109: and repeating S101-S108, and detecting the products to be detected on the first positioning device and the second positioning device in turn.
According to the method, the rotary device is used for realizing station alternate detection and sheet feeding and sheet discharging, so that the detection efficiency is increased in a multiplied mode, meanwhile, the detection area of the product to be detected is divided into three parts, the optimal scanning path planning is carried out on each part, continuous scanning is carried out on the back side detection device and the two side detection devices according to the planned path, and the detection period of the single product to be detected is shortened. Therefore, the technical scheme in the application can greatly improve the detection efficiency of the detection system.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (8)
1. A multi-station parallel product appearance detection system is characterized by comprising:
the worktable and the supporting frame fixed on the worktable surface; the supporting frame comprises a plurality of upright posts with the same height and a fixing plate, and the fixing plate is fixed at the tops of the upright posts;
a rotating device, a rotating shaft of which is fixed on the table top of the workbench, and a part of the rotating device extends to the lower part of the space formed by the supporting frame;
the first positioning device is used for fixing a product to be detected, is fixed on the rotating device and is positioned in a space formed by the supporting frame when the product to be detected is detected;
the back detection device is suspended on the support frame, and a detection lens of the back detection device is over against the back of the product to be detected;
the two side surface detection devices are suspended on the support frame and are respectively positioned on the outer sides of any group of opposite two side surfaces of the product to be detected; the detection lenses of the two side surface detection devices are symmetrical about the center of the product to be detected, are opposite to the opposite side surfaces and are away from the opposite side surfaces by a set distance;
the back detection device is fixed on the fixing plate through a first module, and the two side detection devices are fixed on the supporting frame through a second module and a third module respectively; wherein,
the first module comprises a fixed frame and a first guide rail; the fixed frame is fixed on the bottom surface of the fixed plate, and the first guide rail is transversely or longitudinally arranged on the fixed frame;
the second module and the third module both comprise transverse guide rails and longitudinal lead screws, the transverse guide rails and the longitudinal lead screws of the second module and the transverse guide rails and the longitudinal lead screws of the third module are interwoven to form a shape like a Chinese character 'jing', and are positioned on the periphery of the first module;
the first module, the second module and the third module are all fixed on the bottom surface of the fixing plate;
the main controller is electrically connected with the back detection device and the two side detection devices; and after receiving the control signal of the main controller, the back detection device and the two side detection devices respectively move along a set route.
2. The detection system of claim 1, further comprising:
and the second positioning device is fixed on the rotating device and is symmetrical with the first positioning device about the axis of the rotating shaft of the rotating device.
3. The inspection system of claim 2, wherein the optical axes of the inspection lenses of the two side inspection devices are on the same horizontal line with the center of the product to be inspected.
4. The detection system according to claim 3, wherein the back detection device comprises a first camera, a first light source and a first bracket for supporting the first camera and the first light source, the lens of the first camera faces the back of the product to be detected, and the distance between the lens of the first camera and the back of the product to be detected is set to a set height; the light beam of the first light source is parallel to the optical axis of the first camera lens and is perpendicular to the back of the product to be detected.
5. The inspection system of claim 4, wherein the side inspection device includes a second camera, a second light source, and a second support supporting the second camera, the second light source; the lenses of the two second cameras are symmetrical about the center of the product to be detected and are spaced from the opposite side faces by a set distance; or
The side detection device comprises a second camera, a second light source and a second bracket for supporting the second camera and the second light source; the second bracket comprises a vertical part and a curved part; the second cameras and the second light source are fixed on the vertical part, and the lenses of the two second cameras are symmetrical relative to the center of the product to be detected and have a set distance with the opposite side surfaces;
a third camera, a third light source and a rotating motor are arranged on the curve part; and the rotating motor is used for enabling the optical axis of the third camera and the connecting curved surface between the third light source and the side surface and the back surface of the product to be detected to be always vertical.
6. The detection system according to any one of claims 1 to 5, wherein the first positioning device comprises a base and a vertical plate vertically fixed on the base; and the number of the first and second groups,
the clamping device is arranged at the top of the vertical plate and comprises a plurality of sub-clamping devices and a plurality of clamping device connecting plates, and the plurality of sub-clamping devices are connected and disassembled through the clamping device connecting plates to clamp and loosen the product to be detected.
7. The detection system of claim 6, wherein the positioning device further comprises:
the fixture automatic control device comprises a motor, a coupler and a fixture fixing block, wherein one end of the fixture fixing block is connected with the fixture connecting plate, and the other end of the fixture fixing block is connected with the motor through the coupler; through the linkage effect of the coupler, the fixture fixing block drives the fixture connecting plate to be switched between a connecting state and a disassembling state.
8. The detection system of claim 7, wherein the positioning device further comprises:
and the air suction motor is arranged below the product to be detected, is connected with the main controller and is used for sucking the product to be detected when the product to be detected is clamped by the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010226.4A CN104597055B (en) | 2015-01-08 | 2015-01-08 | The product appearance detecting system of multiplexing parallel-by-bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010226.4A CN104597055B (en) | 2015-01-08 | 2015-01-08 | The product appearance detecting system of multiplexing parallel-by-bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104597055A CN104597055A (en) | 2015-05-06 |
| CN104597055B true CN104597055B (en) | 2017-08-15 |
Family
ID=53122976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510010226.4A Active CN104597055B (en) | 2015-01-08 | 2015-01-08 | The product appearance detecting system of multiplexing parallel-by-bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104597055B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931506B (en) * | 2015-06-05 | 2016-07-27 | 天津大学 | A kind of phone housing quality determining method |
| CN105025142A (en) * | 2015-08-21 | 2015-11-04 | 成都博视广达科技有限责任公司 | Mobile phone multi-station parallel test system and implementation method thereof |
| CN107271362A (en) * | 2016-04-07 | 2017-10-20 | 汉达精密电子(昆山)有限公司 | Rotation detection device |
| CN106093054A (en) * | 2016-08-22 | 2016-11-09 | 昆山杰士德精密工业有限公司 | Mobile phone surface scratch detection equipment |
| CN106645163B (en) * | 2016-10-13 | 2019-03-29 | 苏州工业园区道青科技有限公司 | A kind of conduit weld seam batch detecting device |
| CN106645162A (en) * | 2016-10-13 | 2017-05-10 | 苏州工业园区道青科技有限公司 | Efficient duct detection system |
| CN106501268B (en) * | 2016-10-19 | 2019-02-01 | 龙利得包装科技（上海）有限公司 | A kind of packing box printing quality intelligent detection device |
| CN107639038B (en) * | 2017-10-31 | 2024-01-09 | 山东爱通工业机器人科技有限公司 | Automatic detection platform for product flaws |
| CN108388856A (en) * | 2018-02-11 | 2018-08-10 | 天津市吉赫科技有限公司 | The detection device and detection method identified for product casing character and graphic and version |
| CN109001442A (en) * | 2018-06-13 | 2018-12-14 | 蔡雅玲 | The detection method of detection device |
| CN108848373A (en) * | 2018-06-27 | 2018-11-20 | 晓视自动化科技（上海）有限公司 | A kind of detection device of camera module motor solder joint |
| CN109239100B (en) * | 2018-10-24 | 2024-04-02 | 东莞市乐琪光电科技有限公司 | Lithium battery surface detection equipment |
| KR102014050B1 (en) * | 2019-05-03 | 2019-08-23 | 유광룡 | Apparatus and method for inspecting secondary battery |
| CN111113330B (en) * | 2020-01-08 | 2021-08-20 | 歌尔股份有限公司 | Grating folding mechanism |
| CN111579554B (en) * | 2020-06-29 | 2024-04-12 | 常州微亿智造科技有限公司 | Notebook shell outward appearance check out test set |
| CN113125461A (en) * | 2021-04-21 | 2021-07-16 | 博众精工科技股份有限公司 | Detection device and detection method |
| CN113340809A (en) * | 2021-04-23 | 2021-09-03 | 广州万孚倍特生物技术有限公司 | Image acquisition device and method |
| CN115431019A (en) * | 2022-11-08 | 2022-12-06 | 苏州宏瑞达智能科技有限公司 | Automatic installation and inspection machine for photovoltaic module junction box cover |
| CN117074427B (en) * | 2023-08-22 | 2024-05-03 | 梅州鼎泰电路板有限公司 | Quick detection device for printed circuit board circuit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2835986Y (en) * | 2005-08-19 | 2006-11-08 | 中华人民共和国深圳出入境检验检疫局 | Fixing device for automatic deflection experiment testing instrument |
| CN202485642U (en) * | 2012-03-12 | 2012-10-10 | 上海阿里山神木精密机械有限公司 | 360-degree outer-side-surface detection device for miniature components |
| CN102981274A (en) * | 2012-12-06 | 2013-03-20 | 东莞市盟拓光电科技有限公司 | Method for manufacturing mechanism of general machine vision equipment |
| CN103196399A (en) * | 2013-03-01 | 2013-07-10 | 吴江市博众精工科技有限公司 | External dimension measuring machine for product |
| CN104076042A (en) * | 2014-07-18 | 2014-10-01 | 株洲硬质合金集团有限公司 | Automatic detection device for appearance of cylindrical bar |
| CN203881960U (en) * | 2014-06-10 | 2014-10-15 | 福益精密模塑（上海）有限公司 | Image examining and product classification system |
| CN204479482U (en) * | 2015-01-08 | 2015-07-15 | 北京凌云光技术有限责任公司 | The product appearance detection system that multistation is parallel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100848630B1 (en) * | 2002-08-08 | 2008-07-28 | 주식회사 포스코 | Apparatus for automatically supplying and examining the sleeve of thin steel |
-
2015
- 2015-01-08 CN CN201510010226.4A patent/CN104597055B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2835986Y (en) * | 2005-08-19 | 2006-11-08 | 中华人民共和国深圳出入境检验检疫局 | Fixing device for automatic deflection experiment testing instrument |
| CN202485642U (en) * | 2012-03-12 | 2012-10-10 | 上海阿里山神木精密机械有限公司 | 360-degree outer-side-surface detection device for miniature components |
| CN102981274A (en) * | 2012-12-06 | 2013-03-20 | 东莞市盟拓光电科技有限公司 | Method for manufacturing mechanism of general machine vision equipment |
| CN103196399A (en) * | 2013-03-01 | 2013-07-10 | 吴江市博众精工科技有限公司 | External dimension measuring machine for product |
| CN203881960U (en) * | 2014-06-10 | 2014-10-15 | 福益精密模塑（上海）有限公司 | Image examining and product classification system |
| CN104076042A (en) * | 2014-07-18 | 2014-10-01 | 株洲硬质合金集团有限公司 | Automatic detection device for appearance of cylindrical bar |
| CN204479482U (en) * | 2015-01-08 | 2015-07-15 | 北京凌云光技术有限责任公司 | The product appearance detection system that multistation is parallel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104597055A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104597055B (en) | The product appearance detecting system of multiplexing parallel-by-bit | |
| US6359686B1 (en) | Inspection system for sheet material | |
| CN104677912B (en) | Product appearance detecting system and detection method | |
| CN100516846C (en) | Cutting surface testing apparatus for glass substrate | |
| CN109596633B (en) | Light guide plate defect detection equipment and detection method | |
| CN204575547U (en) | Product appearance detection system | |
| CN108759676B (en) | Checkerboard-based transmission case end face large-size form and position tolerance detection device and method | |
| CN212059883U (en) | AOI inspection machine for silk screen printing plate | |
| CN117347390A (en) | Glass cover plate edge detection device | |
| CN204479482U (en) | The product appearance detection system that multistation is parallel | |
| CN108356432A (en) | Optical scanner and laser drill equipment | |
| KR101197709B1 (en) | Apparatus for inspecting substrate | |
| CN209014490U (en) | A kind of metal casting surface defect on-line detecting system | |
| CN217369288U (en) | Defect detection device for polyhedral material | |
| CN215339544U (en) | Detection device | |
| KR101197707B1 (en) | Apparatus for inspecting substrate | |
| CN114414572A (en) | Product appearance detection device | |
| CN214668687U (en) | Multiplex camera detection mechanism | |
| TWM602635U (en) | Semiconductor wafer inspection module and inspection equipment after cutting | |
| KR101197708B1 (en) | Apparatus for inspecting substrate | |
| KR20150017231A (en) | Inspection system for the external appearance of panel having scan structure | |
| CN112255236A (en) | Full-intelligent strip-shaped light source appearance detection equipment | |
| KR20150017222A (en) | Inspection system for the external appearance of panel having emproved transfer structure | |
| CN111458340A (en) | Method and device for detecting appearance flaws of universal single station | |
| CN113804693B (en) | Visual detection device for defects of mobile phone light guide plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100094 Beijing, Haidian District Cui Yuan Road No. 13, building 7, room 7, floor 701 Patentee after: LUSTER LIGHTTECH GROUP CO., LTD. Address before: 100195 Beijing city Haidian District xingshikou road Yiyuan cultural creative industry base in C District No. 2 Patentee before: BEIJING LUSTER LIGHT TECH CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100094 Beijing city Haidian District Cui Hunan loop 13 Hospital No. 7 Building 7 room 701 Patentee after: Lingyunguang Technology Co., Ltd Address before: 100094 Beijing city Haidian District Cui Hunan loop 13 Hospital No. 7 Building 7 room 701 Patentee before: LUSTER LIGHTTECH GROUP Co.,Ltd. |