CN217180947U - Appearance defect detection equipment for annular metal structural part - Google Patents

Abstract

The utility model relates to an apparent defect check out test set of cyclic annular metallic structure spare, especially, the apparent defect check out test set of cyclic annular metallic structure spare lacks the problem of the apparent defect check out test set of the cyclic annular metallic structure spare that can realize automatic high-speed transmission circulation, incessantly detect and use different charging trays to the customer in order to solve on the market, an apparent defect check out test set of cyclic annular metallic structure spare is provided, the feed mechanism who has the installation in proper order, AOI detection mechanism and unloading mechanism, feed mechanism includes the flexible manipulator of material loading that can realize the displacement material loading, realize once snatching a plurality of cyclic annular metallic structure spares in the charging tray, and send into AOI detection mechanism and detect simultaneously, unloading mechanism has the letter sorting sabot station, every letter sorting sabot station all has unloading flexible manipulator, and divides a set sign indicating number material structure, the utility model discloses it is more excellent to have detection efficiency, The detection standards are more consistent, and the characteristics of equipment configuration can be flexibly modified according to the detection requirements of customers.

Description

Appearance defect detection equipment for annular metal structural part

Technical Field

The utility model relates to an appearance defect check out test set of cyclic annular metallic structure spare, especially an appearance defect check out test set of cyclic annular metallic structure spare.

Background

The camera metal rings can generate defects (scratches, edge breakage, heterochromous colors and the like) in the production and processing process, so the appearance of each metal ring needs to be detected after the previous process is finished, and the current detection mainly comprises manual detection or single-machine equipment for detecting one of the defects.

The number of products is about 700 per hour, skilled workers are required to operate the products, multiple workers are required to perform detection in a division manner, dirt cannot be avoided in the transmission process, the detection standard also depends on personal experience, and fatigue is generated when the products are operated in large batches and for a long time, so the detection accuracy is very low.

The single detection equipment needs to be multiple, the occupied space is large, manual transmission is needed, and the configuration is not easy to change when the requirements of the detected customers change.

In summary, an appearance defect detection device for an annular metal structural member, which can realize automatic high-speed transmission and circulation and detection without shutdown and use different trays for customers, is lacking in the market.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the appearance defect detection equipment for the annular metal structural part is provided for solving the problem that appearance defect detection equipment which can realize automatic high-speed transmission and circulation and detection without shutdown and aims at the annular metal structural part with different material trays used by customers is lacking in the market.

The utility model provides a technical scheme that its technical problem adopted is: an appearance defect detection device for annular metal structural members is provided with a feeding mechanism, an AOI detection mechanism and a discharging mechanism which are sequentially installed, wherein the feeding mechanism comprises a first storage bin, a disc-dividing feeding structure, a second storage bin and a feeding flexible manipulator capable of realizing variable-pitch feeding, the first storage bin is installed at the front part of the disc-dividing feeding structure, a material tray in the first storage bin is conveyed to the lower part of the feeding flexible manipulator after disc dividing, the feeding flexible manipulator adjusts the grabbing interval according to the material tray to realize grabbing of a plurality of annular metal structural members in the material tray at one time, the second storage bin is installed at the rear part of the disc-dividing feeding structure and stacks empty material trays, the feeding flexible manipulator grabs a plurality of annular metal structural members at one time and sends the annular metal structural members to the AOI detection mechanism for simultaneous detection, the AOI detection mechanism independently grades each annular metal structural member, and the graded annular metal structural members are placed in the conveying disc and sent to the discharging mechanism through the conveying belt, the unloading mechanism has the letter sorting sabot station the same with the rating number, and every letter sorting sabot station all has unloading flexible mechanical hand and is used for separating the empty charging tray of whole pile and will fill up the charging tray and carry out the branch dish sign indicating number material structure of pile up neatly, divide dish sign indicating number material structure to install in the below of conveyer belt, the top at the conveyer belt is installed to unloading flexible mechanical hand.

Furthermore, the plate dividing and feeding structure comprises at least two plate dividing cylinders, at least two code disc cylinders, a first cylinder, a second cylinder and a feeding conveyer belt driven by a motor, wherein a first gear shaping used for supporting a material plate is installed at the movable end of each plate dividing cylinder, the plate dividing cylinders are horizontally and oppositely installed on two sides of the first storage bin and synchronously extend or retract, the first cylinder is vertically installed below the first storage bin, and the first cylinder and the plate dividing cylinders are matched to put down the single material plate to the feeding conveyer belt, so that plate dividing of the material plate in the first storage bin is realized; a second gear shaping used for supporting the material tray is installed on the movable end of each code disc cylinder, the code disc cylinders are horizontally installed on two sides of the second storage bin in a relative mode and synchronously extend out or retract, the second cylinders are vertically installed below the second storage bin, and the second cylinders are matched with the code disc cylinders to push the material tray above the feeding conveying belt into the second storage bin; the first bin is located at the front part of the feeding conveyer belt, and the second bin is located at the rear part of the feeding conveyer belt.

Furthermore, the split-disc feeding structure also comprises an alignment feeding part, wherein the alignment feeding part is provided with a track, a mounting plate, a support, an ejection cylinder and a telescopic separation blade, the track is mounted below the feeding conveyor belt and is parallel to the moving direction of the feeding conveyor belt, the mounting plate which is driven by a cylinder or a motor to slide along the extending direction of the track is mounted on the track, the support, the ejection cylinder and the telescopic separation blade are mounted on the mounting plate, the telescopic separation blade is mounted at the rear end of the support, the telescopic separation blade is lifted to prevent the material disc after the split disc from moving forwards, and the telescopic separation blade is retracted to move the empty material disc forwards; the ejection cylinder is located in the middle of the support, the ejection cylinder extends out of the blocked material tray and jacks up from the feeding conveyor belt, the outer edge of the jacked material tray abuts against the inner side of the support to be positioned, and the ejection cylinder retracts to enable the material tray to fall back to the feeding conveyor belt and be released.

Furthermore, the flexible feeding manipulator comprises a mechanical arm and at least two flexible grippers, the flexible grippers are mounted on the mechanical arm and driven by a motor or an air cylinder on the mechanical arm to move forwards or backwards, the two flexible grippers are driven by the motor or the air cylinder to move up and down simultaneously, the distance between the two flexible grippers is driven to be adjusted by a distance adjusting motor, and the gripping positions of the two flexible grippers are located on the same plane after adjustment.

Further, flexible tongs are gentle beak, six by single roll adjustment motor drive of quantity, and the interval between two liang gentle beaks is adjusted to synchronous, equidistance, and its structure is: each flexible beak is arranged on an independent mounting frame, a guide wheel is arranged on the front end surface of each mounting frame, the rear end surface of each mounting frame is arranged on a horizontal slide rail in a sliding way through a horizontal slide block, the horizontal slide rail is fixedly arranged on the front end surface of a base, the rear end surface of the base is arranged on a vertical slide rail in a sliding way through a vertical slide block, the vertical slide rail is arranged on a bottom plate, the bottom plate is arranged on a mechanical arm slide rail of a mechanical arm in a sliding way, a distance adjusting motor is arranged on one side of the front end surface of the base, a driving wheel is arranged on an output shaft of the distance adjusting motor, the driving wheel is connected with a driven wheel through a synchronous belt, the driven wheel is arranged at the top end of a screw rod, a connecting block is sleeved on the screw rod, the connecting block is fixedly connected with one side of the guide plate and drives the guide plate to move up or down along with the rotation of the screw rod, the back surface of the other side of the guide plate is arranged on a guide slide rail through a guide slide block, the other side of the front end surface of the base, six waist holes have been seted up on the deflector, the guide pulley activity sets up in the waist hole, and six waist holes are angular fan-shaped distributes, and the interval that the guide pulley lies in waist hole bottom, two adjacent gentle beaks when the deflector goes up to the limit is minimum, and the interval that the guide pulley lies in waist hole top, two adjacent gentle beaks when the deflector goes down to the limit is maximum.

Furthermore, two horizontal sliding blocks are installed on the rear end face of each installation frame, and the horizontal sliding blocks are installed on four horizontal sliding rails respectively.

Further, AOI detection mechanism, including the side image device, be suitable for imaging to the side arc region of the annular metallic structure that needs the formation of image, back image device, be suitable for polishing the back region of annular metallic structure and imaging the back region of annular metallic structure, positive image device, be suitable for polishing the front region of annular metallic structure and imaging the front region of annular metallic structure, and positive dome image device, be suitable for polishing the arc marginal zone of annular metallic structure and imaging the front region of annular metallic structure.

Furthermore, the number of the sorting tray loading stations is four, and the sorting tray loading stations correspond to four rating grades of OK products, NG products, doubt products and damaged products respectively.

Furthermore, the structure of the blanking flexible manipulator is the same as that of the feeding flexible manipulator, the integral structure of the sub-tray stacking structure is the same as that of the sub-tray feeding structure, the blanking flexible manipulator and the sub-tray stacking structure are arranged in an up-and-down parallel mode, and the conveying belt is perpendicular to the blanking flexible manipulator and the sub-tray stacking structure and is arranged in the middle of the blanking flexible manipulator and the sub-tray stacking structure.

Furthermore, the conveying disc is flexible, the conveying discs are arranged on the conveying belt at equal intervals, hole sites are formed in the conveying disc, and the hole sites are sequentially arranged along the advancing direction of the conveying belt.

The utility model has the advantages that the appearance defect detection equipment of the annular metal structural part can realize automatic feeding and discharging of products, high-speed transmission and circulation, non-stop detection, adjustable vision modules, classified collection of product detection and rapid switching of machine types, and the mechanism automatically realizes the actions of material taking, disc separation and code disc stacking; the multi-group mechanical arm cooperation work, a set of material of getting detects, a set of transport unloading realizes the high-speed transmission circulation of product, does not shut down and detects, and the unloading transport is equipped with displacement mechanism, can use to the different charging trays of customer, and 4 groups of feed bins down can carry out categorised collection to the defect of the various different grade types of customer, and equipment board transmission, transport mechanism, visual support have all realized the modularization.

Specifically, artifical one hour output is about 700, and the utility model discloses use automatic unloading mechanism of going up, do not shut down and detect to gyration detection mechanism once detects 6 simultaneously, and output increases substantially, and equipment one hour output can reach about 5200, and the detection standard is unanimous, for artifical the detection, this the utility model discloses a detection efficiency is more excellent.

In the aspect of accuracy: the workman detects and relies on individual experience, and big batch, long-time work can produce fatigue, so the rate of accuracy of detection is very low, the utility model discloses do not have such problem.

The cleanliness problem of manual detection: artifical the measuring needs many people to transmit, divides the worker to detect, can't avoid in the transmission process having dirty, and the utility model discloses because be automated inspection, and arranged FFU and ion wind stick, the inside cleanliness of equipment is high, effectively avoids secondary pollution.

The utility model discloses highly integrated and module is fast, compares and detects the inefficiency with the unit and is higher.

To sum up, the utility model discloses but automated inspection distinguishes the defect, and the feed bin realizes the branch storehouse of different defect products and collects under, has that detection efficiency is more excellent, the detection standard is more unanimous, can modify the characteristics of equipment configuration according to customer's detection demand is nimble.

Drawings

Fig. 1 is a plan view of the whole machine.

Fig. 2 is a front view of the whole machine.

Fig. 3 is a top view of the feeding mechanism.

Fig. 4 is a front view of the feeding mechanism.

Fig. 5 is a left side view of the feeding mechanism.

Fig. 6 is a schematic structural diagram of a feeding flexible manipulator.

Fig. 7 is a schematic diagram of the internal structure of the feeding flexible manipulator after part of components are removed.

Fig. 8 is a plan view of the blanking mechanism.

Fig. 9 is a front view of the blanking mechanism.

Fig. 10 is a right side view of the blanking mechanism.

In the figure, 100 parts of a feeding mechanism, 101 parts of a first bin, 102 parts of a disc separating and feeding structure, 103 parts of a disc separating cylinder, 104 parts of a code disc cylinder, 105 parts of a first cylinder, 106 parts of a second cylinder, 107 parts of a feeding conveyer belt, 108 parts of a first gear shaping, 109 parts of a second gear shaping, 110 parts of a second bin, 111 parts of an alignment feeding part, 112 parts of a rail, 113 parts of a mounting plate, 114 parts of a bracket, 115 parts of an ejection cylinder, 116 parts of a telescopic baffle, 117 parts of a mechanical arm, 118 parts of a flexible gripper, 119 parts of a distance adjusting motor, 120 parts of a mounting frame, 121 parts of a guide wheel, 122 parts of a horizontal sliding block, 123 parts of a horizontal sliding rail, 124 parts of a base, 125 parts of a vertical sliding block, 126 parts of a vertical sliding rail, 127 parts of a bottom plate, 128 parts of a sliding rail, 129 parts of a driving wheel, 130 parts of a mechanical arm, 131 parts of a driven wheel, 132 parts of a screw rod, 133 parts of a connecting block, 134 parts of a guide plate, 135 parts of a guide sliding block, 136 parts of a guide rail, 138. flexible manipulator of material loading.

200.AOI detection mechanism, 201, side imaging device, 202, back imaging device, 203, front imaging device, 204, front dome imaging device, 205, test turret, 206, flexible manipulator.

300. The automatic feeding device comprises a feeding mechanism, a 301 OK product sorting and tray loading station, a 302 NG product sorting and tray loading station, a 303 doubt product sorting and tray loading station, a 304 damaged product sorting and tray loading station, a 305 feeding flexible manipulator and a 306 tray dividing and stacking structure.

400. Material tray, 401, conveyer belt, 402, conveying tray.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The appearance defect detection equipment for the annular metal structural member shown in fig. 1 to 10 mainly comprises three parts, namely a feeding mechanism 100, an AOI detection mechanism 200 and a blanking mechanism 300, wherein the AOI detection mechanism 200 has filed a patent application before the present application with the application names: in the metal ring outline area imaging system, only a simple principle description is made below on the AOI detection mechanism 200, and the specific structure is not described again; three mechanisms of the feeding mechanism 100, the AOI detection mechanism 200 and the blanking mechanism 300 are installed on a rack, a shell is installed on the rack, and an FFU and an ion air rod are also installed in the shell.

The feeding mechanism 100 and the discharging mechanism 300 are of a modular design, wherein the tray-dividing feeding structure 102 in the feeding mechanism 100, the same design is adopted as the disc-dividing and stacking structure 306 in the blanking mechanism 300, the structure and the working process are similar, the difference is that the disc-dividing and feeding structure 102 is to divide the discs 400 (usually 20 discs) which are stacked together in the first storage bin 101 and are filled with the annular metal structural members to be detected one by one, after the feeding flexible manipulator 138 finishes grabbing the annular metal structural members in the discs 400, the empty discs are conveyed to the position of the second storage bin 110, the second storage bin 110 finishes the arrangement and stacking of empty trays, the tray dividing and stacking structure 306 is used for stacking empty trays 400 in the first storage bin 101, the empty trays 400 are separated one by one, and after the annular metal structural members are fully filled in the trays 400, the blanking flexible manipulator 305 is conveyed to the second storage bin 110 for arrangement and stacking. The first silo 101 and the second silo 110 are also identical in structure, and are shown as a frame structure with mounting positions for mounting the disc dividing cylinder 103 and the disc encoding cylinder 104. The feeding flexible manipulator 138 and the discharging flexible manipulator 305 are also identical in structure and are used for simultaneously grabbing a plurality of annular metal structural members, in the figure, 6 annular metal structural members are simultaneously grabbed, and the number of the annular metal structural members is determined according to the tray loading requirements of customers. The modular design has the advantages that the installation is convenient, mistakes are not easy to occur, and the universal maintenance of accessories is convenient.

To explain the feeding mechanism 100 specifically, about 20 discs of annular metal structural members to be detected are placed in the first bin 101 manually or by a mechanical arm, at this time, the movable ends of the disc-separating cylinders 103 on both sides of the first bin 101 are in an extended state, the first gear pins on the two movable ends are abutted against the edge of the material disc 400, the first cylinder 105 is in an ejection state and abutted against the bottom of the material disc 400, the code disc cylinder 104 on the second bin 110 is in a retraction state, the second cylinder 106 is also in a retraction state, and the second bin 110 is empty. Starting the machine, the feeding conveyer belt 107 rotates from the direction of the first bin 101 to the direction of the second bin 110, the disc separating cylinder 103 retracts, the first cylinder 105 descends, after a tray 400 is separated, the disc separating cylinder 103 extends out of the first gear shaping and abuts against the edge of the tray 400, the first cylinder 105 continues to descend, the tray 400 contacts with the feeding conveyer belt 107 and is conveyed forwards to the alignment feeding part 111, the alignment feeding part 111 positions the tray 400 so that the feeding flexible manipulator 138 can accurately grasp the annular metal structural part in the tray, when the tray 400 enters the bracket 114, the telescopic blocking piece 116 extends out to block the tray 400 from advancing, the ejecting cylinder 115 extends out to eject the tray 400, so that the tray 400 is separated from the feeding conveyer belt 107, the upper end face abuts against the inner side of the bracket 114, the ejecting cylinder 115 and the telescopic blocking piece 116 are all installed on the installing plate 113, the installing plate 113 is installed on the track 112 through the sliding assembly in a sliding manner, the side surface of the mounting plate 113 is driven by an air cylinder to move along the movement direction of the feeding conveyer belt 107 or move left or right, the feeding conveyer belt 107 is two conveyer belts which are arranged in parallel, and the first air cylinder 105, the second air cylinder 106 and the ejection air cylinder 115 are all arranged in the middle of the two conveyer belts;

the mounting plate 113 or a flexible feeding manipulator 138 moving left or right or grabbing and conveying an annular metal structural part up or down or front or back into the AOI detection mechanism 200 for optical detection, the flexible feeding manipulator 138 adopts a flexible beak matrix as a flexible gripper 118 for grabbing the annular metal structural part, the flexible gripper 118 finishes the grabbing up and down movement, the flexible beak inflates and supports the air discharge for the pneumatic part for recycling, the mechanical arm 117 finishes the feeding forward and backward movement, the figure shows that the flexible beak matrix consists of six flexible beaks, the distance between two adjacent flexible beaks is adjusted by a distance adjusting motor 119, a driving wheel 129 is mounted on an output shaft of the distance adjusting motor 119, the driving wheel 129 drives a driven wheel 131 to rotate through a synchronous belt 130, the driven wheel 131 drives a screw rod 132 to rotate, a connecting block 133 is sleeved on the screw rod 132, the connecting block 133 is fixed with the side face of a guide plate 134 through bolts, in order to ensure that the guide plate 134 moves up and down smoothly, the back of the other side of the guide plate is slidably mounted on a guide slide rail 136 through a guide slide block 135 to play a role of balance assistance, six waist holes 137 are formed in the guide plate 134, the six waist holes 137 are distributed in a fan shape with an angle and uniformity as shown in fig. 5 and 6, and the waist holes can also be considered as long grooves; when the guide plate 134 moves upwards to the limit, the guide wheel 121 is guided and guided into the bottom end of the waist hole 137, the guide wheel 121 is rotatably installed on the front end face of the installation frame 120, the bottom of the installation frame 120 is provided with the flexible beaks, the guide wheel 121 is guided to move to drive the installation frame 120 to horizontally move along the horizontal slide rails 123, in order to ensure smooth distance adjustment movement of the installation frame 120, the rear end face of each installation frame 120 is provided with two horizontal sliders 122, each horizontal slider 122 is separately installed on any two of the four horizontal slide rails 123, when the six guide wheels 121 are simultaneously guided to reach the bottom end of the waist hole 137, the six installation frames 120 are in a close fit state, the distance between two adjacent flexible beaks is the minimum, otherwise, when the guide plate 134 moves downwards to the limit, the distance between two adjacent flexible beaks is the maximum when the guide wheel 121 is positioned at the top end of the waist hole 137, and the distance is adjusted through one guide plate 134, so that time, labor and space are saved; the pitch adjusting motor 119 and the horizontal sliding rail 123 are installed on the front surface of the base 124, the vertical sliding block 125 is installed on the back surface of the base 124, the vertical sliding block 125 is driven to move up and down along the vertical sliding rail 126 or up and down to realize the feeding action of the soft beak matrix, the vertical sliding rail 126 is installed on the front surface of the bottom plate 127, the back surface of the bottom plate 127 is installed on the mechanical arm sliding rail 128 of the mechanical arm 117 and is driven to realize the feeding action of the soft beak matrix.

After the material tray 400 is emptied by the flexible feeding manipulator 138, the ejecting cylinder 115 lowers the material tray 400 and falls back onto the feeding conveyer belt 107, the telescopic baffle 116 retracts to move the empty material tray 400 to the position of the second bin 110, the first bin 101 continues to divide the material tray and repeats the process, the empty material tray 400 enters the second bin 110 from the second bin 110 to eject the empty material tray 400 from the second cylinder 106, the code disc cylinder 104 extends out of the second insert teeth 109 and abuts against the edge of the material tray 400, the second cylinder 106 retracts to wait until the second empty tray arrives, the second cylinder 106 ejects the code disc cylinder 104 again and retracts into the second cylinder 106 to eject the two empty trays upwards, and the code disc cylinder 104 extends out of the second insert teeth 109 and abuts against the edge of the next empty tray after the material tray ascends to the right position to realize sorting and stacking.

The six annular metal structural members to be tested that material loading flexible manipulator 138 will snatch are placed on AOI detection mechanism's test revolving stage 205, side image device 201 is imaged the side arc region of annular metal structural member, back image device 202 polishes the back region of annular metal structural member and images the back region of annular metal structural member, front image device 203 polishes the front region of annular metal structural member and images the front region of annular metal structural member, and front dome image device 204 polishes the arc marginal area of annular metal structural member and images the front region of annular metal structural member, divide the grade through system comparison, six annular metal structural members that finish the detection are placed in delivery tray 402 after being snatched by flexible manipulator 206.

The conveying discs 402 are flexible and are multiple in number, the conveying discs are arranged on a conveying belt 401 on one side at equal intervals, and the conveying belt 401 and the feeding conveying belt 107 are the same and are provided with two conveying belts arranged in parallel; six hole sites are arranged on the conveying disc 402 and are sequentially arranged along the advancing direction of the conveying belt 402, the conveying belt 401 conveys the graded annular metal structural part into the blanking mechanism 300, the blanking mechanism 300 is sequentially provided with four sorting and disc loading stations which are an OK sorting and disc loading station 301, an NG sorting and disc loading station 302, a doubt sorting and disc loading station 303 and a damaged sorting and disc loading station 304, the distribution can effectively improve the efficiency, wherein the OK product is arranged at the first position with the largest ratio, the conveying stroke is omitted, and the broken product is arranged at the last position with the smallest ratio, the grade is the grade of the broken product when the broken product is conveyed to the sorting and tray filling station of the corresponding grade, the blanking flexible manipulator 305 can automatically grab the annular metal structural components of the corresponding grade for tray loading, and finally the tray 400 with the detected and classified annular metal structural components is manually or mechanically picked up at the corresponding station.

The work flows of the blanking flexible manipulator 305 and the disc stacking structure 306 are the same as those of the feeding flexible manipulator 138 and the disc feeding structure 102, and are not described again here.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (10)

1. The utility model provides an appearance defect check out test set of annular metal structure spare which characterized in that: the automatic feeding device is provided with a feeding mechanism, an AOI detection mechanism and a discharging mechanism which are sequentially installed, wherein the feeding mechanism comprises a first storage bin, a disc-dividing feeding structure, a second storage bin and a feeding flexible mechanical hand capable of realizing variable-pitch feeding, the first storage bin is installed at the front part of the disc-dividing feeding structure, a material disc in the first storage bin is conveyed to the lower part of the feeding flexible mechanical hand after disc dividing, the feeding flexible mechanical hand adjusts the grabbing interval according to the material disc to realize that a plurality of annular metal structural members in the material disc are grabbed at one time, the second storage bin is installed at the rear part of the disc-dividing feeding structure and is stacked on an empty material disc, the feeding flexible mechanical hand grabs a plurality of annular metal structural members at one time and sends the annular metal structural members into the AOI detection mechanism for simultaneous detection, the AOI detection mechanism independently grades each annular metal structural member, the graded annular metal structural members are placed in a conveying disc and sent into the discharging mechanism through a conveying belt, the discharging mechanism is provided with a sorting and disc-loading station with the same grading number, every letter sorting sabot station all has unloading flexible mechanical hand and is used for dividing the dish and carrying out the branch dish yardstick structure of pile up neatly with the empty charging tray of whole pile of piles, divide dish yardstick structure to install in the below of conveyer belt, and unloading flexible mechanical hand installs in the top of conveyer belt.

2. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the plate dividing and feeding structure comprises at least two plate dividing cylinders, at least two code disc cylinders, a first cylinder, a second cylinder and a feeding conveying belt driven by a motor, wherein a first gear shaping used for supporting a material disc is installed on the movable end of each plate dividing cylinder; a second gear shaping used for supporting the material tray is installed on the movable end of each code disc cylinder, the code disc cylinders are horizontally installed on two sides of the second storage bin in a relative mode and synchronously extend out or retract, the second cylinders are vertically installed below the second storage bin, and the second cylinders are matched with the code disc cylinders to push the material tray above the feeding conveying belt into the second storage bin; the first bin is located at the front part of the feeding conveyer belt, and the second bin is located at the rear part of the feeding conveyer belt.

3. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 2, wherein: the tray-dividing feeding structure further comprises an alignment feeding part, wherein the alignment feeding part is provided with a rail, a mounting plate, a support, an ejection cylinder and a telescopic separation blade, the rail is mounted below the feeding conveying belt and is parallel to the moving direction of the feeding conveying belt, the mounting plate which is driven by a cylinder or a motor to slide along the extending direction of the rail is mounted on the rail, the support, the ejection cylinder and the telescopic separation blade are mounted on the mounting plate, the telescopic separation blade is mounted at the rear end of the support, the telescopic separation blade is lifted to stop the tray after tray division from moving forwards, and the telescopic separation blade retracts to return the empty tray to move forwards; the ejection cylinder is located in the middle of the support, the ejection cylinder extends out of the blocked material tray and jacks up from the feeding conveyor belt, the outer edge of the jacked material tray abuts against the inner side of the support to be positioned, and the ejection cylinder retracts to enable the material tray to fall back to the feeding conveyor belt and be released.

4. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the flexible feeding manipulator comprises a mechanical arm and at least two flexible grippers, the flexible grippers are mounted on the mechanical arm and driven by a motor or an air cylinder on the mechanical arm to move forwards or backwards, the two flexible grippers are driven by the motor or the air cylinder to move upwards or downwards simultaneously, the distance between the two flexible grippers is driven to be adjusted by a distance adjusting motor, and the gripping positions of the two flexible grippers after adjustment are located on the same plane.

5. The visual defect inspection apparatus of a ring-shaped metallic structure as set forth in claim 4, wherein: flexible tongs are gentle beak, six by single roll adjustment motor drive of quantity, and the interval between two liang gentle beaks is adjusted to synchronous, equidistance, and its structure is: each flexible beak is arranged on an independent mounting frame, a guide wheel is arranged on the front end surface of each mounting frame, the rear end surface of each mounting frame is arranged on a horizontal slide rail in a sliding way through a horizontal slide block, the horizontal slide rail is fixedly arranged on the front end surface of a base, the rear end surface of the base is arranged on a vertical slide rail in a sliding way through a vertical slide block, the vertical slide rail is arranged on a bottom plate, the bottom plate is arranged on a mechanical arm slide rail of a mechanical arm in a sliding way, a distance adjusting motor is arranged on one side of the front end surface of the base, a driving wheel is arranged on an output shaft of the distance adjusting motor, the driving wheel is connected with a driven wheel through a synchronous belt, the driven wheel is arranged at the top end of a screw rod, a connecting block is sleeved on the screw rod, the connecting block is fixedly connected with one side of the guide plate and drives the guide plate to move up or down along with the rotation of the screw rod, the back surface of the other side of the guide plate is arranged on a guide slide rail through a guide slide block, the other side of the front end surface of the base, six waist holes have been seted up on the deflector, the guide pulley activity sets up in the waist hole, and six waist holes are angular fan-shaped distributes, and the interval that the guide pulley lies in waist hole bottom, two adjacent gentle beaks when the deflector goes up to the limit is minimum, and the interval that the guide pulley lies in waist hole top, two adjacent gentle beaks when the deflector goes down to the limit is maximum.

6. The visual defect inspection apparatus of a ring-shaped metallic structure as set forth in claim 5, wherein: all install two horizontal slider on the rear end face of every mounting bracket, horizontal slider installs respectively on four horizontal slide rails.

7. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the AOI detection mechanism comprises a side imaging device, a back imaging device, a front dome imaging device and a front dome imaging device, wherein the side imaging device is suitable for imaging a side arc area of an annular metal structural member to be imaged, the back imaging device is suitable for polishing a back area of the annular metal structural member and imaging a back area of the annular metal structural member, the front imaging device is suitable for polishing a front area of the annular metal structural member and imaging a front area of the annular metal structural member, and the front dome imaging device is suitable for polishing an arc edge area of the annular metal structural member and imaging a front area of the annular metal structural member.

8. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the number of the sorting tray loading stations is four, and the sorting tray loading stations respectively correspond to four rating grades of OK products, NG products, doubt products and damaged products.

9. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the structure of the blanking flexible manipulator is the same as that of the feeding flexible manipulator, the integral structure of the sub-tray stacking structure is the same as that of the sub-tray feeding structure, the blanking flexible manipulator and the sub-tray stacking structure are arranged in an up-and-down parallel mode, and the conveying belt is perpendicular to the blanking flexible manipulator and the sub-tray stacking structure and is arranged in the middle of the blanking flexible manipulator and the sub-tray stacking structure.

10. The apparatus for detecting cosmetic defects of an annular metallic structure as set forth in claim 1, wherein: the conveying disc is flexible, the conveying discs are arranged on the conveying belt at equal intervals, hole sites are formed in the conveying discs, and the hole sites are sequentially arranged along the advancing direction of the conveying belt.

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