阅读说明：本技术 全自动外观检测机 (Full-automatic appearance detection machine ) 是由 任友兵 易义 许剑波 于 2019-09-11 设计创作，主要内容包括：本发明公开了全自动外观检测机,包括机架、转盘、转盘动力装置、上料机构和下料机构,转盘连接有主齿轮且安装于转盘动力装置,转盘上呈环形陈列有多个透明载板,透明载板下方设有大齿轮,大齿轮通过过渡齿轮与主齿轮啮合,机架分布有上料工位、多个侧壁检测工位、端面检测工位和下料工位,侧壁检测工位设第一检测相机、第一光学镜头、上光源和下光源,第一光学镜头对准产品侧壁,端面检测工位设呈上下同轴分布的第二检测相机、第二光学镜头和同轴光源,上、下料机构分别安装于上、下料工位,当转盘转动一圈,侧壁检测工位上的透明载板带动产品完成360度自转。本发明能快速精准地检测产品的各个角度,提高了工作效率,保障了产品质量。(The invention discloses a full-automatic appearance inspection machine, which comprises a frame, a turntable power device, a feeding mechanism and a discharging mechanism, wherein the turntable is connected with a master gear and is arranged on the turntable power device, a plurality of transparent support plates are annularly arranged on the turntable, a big gear is arranged below the transparent support plates and is meshed with the master gear through a transition gear, the frame is distributed with a feeding station, a plurality of side wall inspection stations, an end face inspection station and a discharging station, the side wall inspection station is provided with a first inspection camera, a first optical lens, an upper light source and a lower light source, the first optical lens is aligned to the side wall of a product, the end face inspection station is provided with a second inspection camera, a second optical lens and a coaxial light source which are coaxially distributed up and down, the feeding mechanism and the discharging mechanism are respectively arranged on, when the turntable rotates for a circle, the transparent support plate on the side wall detection station drives the product to complete 360-degree rotation. The invention can rapidly and accurately detect each angle of the product, improves the working efficiency and ensures the product quality.)

1. Full-automatic appearance inspection machine for carry out defect detection to the lateral wall and the terminal surface of product, its characterized in that, including frame (1), carousel (2), carousel power device (3), feed mechanism (4) and unloading mechanism (5), carousel power device (3) are installed in frame (1) and its top and are equipped with master gear (31), carousel power device (3) are connected in carousel (2), it is equipped with a plurality of transparent support plates (6) to be the annular display on carousel (2), every the below of transparent support plate (6) is connected with hollow structure's gear wheel (32), gear wheel (32) rotatable mounting is in carousel (2) bottom, every gear wheel (32) all are equipped with rather than engaged with transition gear (33), every transition gear (33) all mesh with master gear (31), full-automatic appearance inspection machine evenly distributed has material loading station (11), The side wall detection device comprises a plurality of side wall detection stations (12), an end face detection station (13) and a blanking station (14), wherein the side wall detection station (12) is provided with a first detection camera (71), a first optical lens (72), an upper light source (73) and a lower light source (74), the upper light source (73) and the lower light source (74) are respectively positioned at the upper position and the lower position of a transparent carrier plate (6), the first optical lens (72) is arranged at the front end of the first detection camera (71) and is aligned with the side wall of a product, the end face detection station (13) is provided with a second detection camera (81), a second optical lens (82) and a coaxial light source (83) which are coaxially distributed up and down, the coaxial light source (83) is positioned above the transparent carrier plate (6), a feeding mechanism (4) is arranged at the feeding station (11), a blanking mechanism (5) is arranged at the blanking station (14), and a turntable (2) drives the transparent carrier plate (6) to, each transparent carrier plate (6) is meshed with the large gear (32) through the main gear (31) through the transition gear (33) to rotate for a certain angle, and when the turntable (2) rotates for one circle, the transparent carrier plates (6) on the side wall detection station (12) drive the product to complete 360-degree rotation.

2. The fully automatic appearance inspection machine according to claim 1, wherein a rotary support (61) is arranged in the rotary table (2), an outer ring of the rotary support (61) is fixed, the transparent carrier plate (6) is arranged on the top of an inner ring of the rotary support (61), and the large gear (32) is arranged on the bottom of the inner ring of the rotary support (61).

3. The full-automatic appearance inspection machine according to claim 1 or 2, wherein the turntable (2) is of a hollow structure, an upright column (21) is arranged at the center of the turntable (2), the bottom of the upright column (21) is fixed on the rack (1), a fixed disc (22) is arranged at the top of the upright column (21), the fixed disc (22) is connected with an upper light source (73) through a support (23), and the upper light source (73) and the lower light source (74) both adopt annular light sources.

4. The automatic appearance inspection machine according to claim 3, wherein the turntable power device (3) is a direct drive motor, a through hole is formed in the center of the direct drive motor, the upright post (21) penetrates through the through hole and the bottom of the upright post is fixed to the frame (1), and the main gear (31) is arranged on the top of the direct drive motor.

5. The full-automatic appearance detecting machine according to claim 1 or 3, wherein the feeding mechanism (4) comprises a base (41), a feeding vibration disk (42) and a feeding manipulator (43), the base (41) is fixed on the frame (1), the feeding vibration disk (42) is arranged on the base (41), an outlet of the feeding vibration disk (42) is provided with a linear feeder (44), a bottom of the linear feeder (44) is provided with a linear vibrator (45), a front end of the linear feeder (44) is provided with a wrong-separation device (46), the wrong-separation device (46) comprises a support frame (461), a wrong-separation device (462), a guide rail (463) and a slide block (464), the slide block (464) is matched with the guide rail (463), two ends of the guide rail (463) are fixed on the support frame (461), one end of the support frame (461) is provided with a small air cylinder (465), the other end of the support frame (461) is provided with a buffer (466), an expansion rod of the small cylinder (465) is connected with a sliding block (464), the wrong separator (462) is arranged on the sliding block (464), the wrong separator (462) is provided with a product placing groove (4621) and a baffle (4622), and the product placing groove (4621) or the baffle (4622) is driven to stretch by the small cylinder (465) to move to a discharge hole of the linear feeder (44).

6. The full-automatic appearance detection machine according to claim 5, wherein the blanking mechanism (5) comprises a good box (51), a defective box (52), a blanking rotary cylinder (53) and a blanking manipulator (54), the good box (51) and the defective box (52) are both mounted on the frame (1), the blanking rotary cylinder (53) is arranged between the good box (51) and the defective box (52), and the top of the blanking rotary cylinder (53) is connected with a blanking chute (55).

7. The full-automatic appearance detection machine according to claim 7, wherein the feeding manipulator (43) and the discharging manipulator (54) have the same structure and comprise an upright rod (541), a sliding table cylinder (542), a lifting cylinder (543) and a finger cylinder (544), the side wall of the upright rod (541) is connected with the sliding table cylinder (542) and the bottom of the upright rod is mounted on the rack (1), the finger cylinder (544) is vertically connected with the side wall of the lifting cylinder (543), the lifting cylinder (543) is connected with the sliding table cylinder (542), the finger cylinder (544) of the feeding manipulator (54) and the retracted product placing groove (4621) are aligned front and back, and the finger cylinder (544) of the discharging manipulator (54) and the center of the discharging rotary cylinder (53) are aligned front and back.

8. The full-automatic appearance inspection machine according to claim 8, wherein the side wall inspection station (12) and the end face inspection station (13) are provided with vertical plates (9), the bottom of each vertical plate (9) is mounted on the frame (1) through a first adjusting sliding table (91), the side walls of the vertical plates (9) of the side wall inspection station (12) are provided with second adjusting sliding tables (92), the first inspection camera (71) is connected with the second adjusting sliding tables (92) through a holder assembly (95), the first optical lens (72) is aligned with the side wall of a product, the side walls of the vertical plates of the end face inspection station (13) are provided with third adjusting sliding tables (93), the second inspection camera (81) is connected with the third adjusting sliding tables (93) through an L-shaped bracket (96), the coaxial light source (83) is connected to the vertical plates (9) through a fourth adjusting sliding tables (94), and a second optical lens (82) and a coaxial light source (83) are aligned directly above the product.

9. The full-automatic appearance inspection machine according to claim 1 or 8, wherein five side wall inspection stations (12) are provided, eight transparent carrier plates (6) are provided, the feeding station (11), the five side wall inspection stations (12), the end face inspection station (13) and the blanking station (14) are uniformly distributed in a counterclockwise direction relative to the center of the rotating disc (2), and when the rotating disc (2) rotates 45 degrees, the transparent carrier plates (6) rotate 72 degrees.

10. The full-automatic appearance inspection machine according to claim 1 or 8, wherein the number of the side wall inspection stations (12) is six, the number of the transparent carrier plates (6) is nine, the feeding station (11), the six side wall inspection stations (12), the end face inspection station (13) and the blanking station (14) are uniformly distributed in the counterclockwise direction relative to the center of the rotating disc (2), and when the rotating disc (2) rotates by 40 degrees, the transparent carrier plate (6) rotates by 60 degrees.

11. The full-automatic appearance inspection machine according to claim 1 or 8, wherein nine side wall inspection stations (12) are provided, twelve transparent support plates (6) are provided, the feeding station (11), the nine side wall inspection stations (12), the end face inspection station (13) and the blanking station (14) are uniformly distributed in the counterclockwise direction relative to the center of the rotating disc (2), and when the rotating disc (2) rotates 30 degrees, the transparent support plate (6) rotates 40 degrees.

Technical Field

The invention relates to the technical field of detection equipment, in particular to a full-automatic appearance detection machine.

Background

With the rapid development of industry, the demand and quality of various products are continuously improved, and the appearance requirements of production enterprises on the products are more and more strict. In order to maintain the high-end quality standard of products, many products are detected by a detection procedure of manual visual inspection. However, the manual visual inspection process needs to invest a large amount of human resources, the cost is high, an inspector needs high concentration for a long time, fatigue is easily caused, the phenomenon of false inspection or error leakage occurs, the requirement of industrial production is far lower than that of the manual visual inspection process, and high-end quality standards cannot be realized. At present, some appearance detection equipment is provided, but the design is not completed enough, multi-angle detection cannot be made, the appearance of a product cannot be comprehensively detected, and mistakes and omissions are easily caused.

Disclosure of Invention

In order to solve the problems, the invention provides a full-automatic appearance detection machine which can automatically detect different angles of a product quickly and accurately, improve the working efficiency and realize automatic detection.

According to one aspect of the invention, a full-automatic appearance inspection machine is provided, which comprises a frame, a turntable power device, a feeding mechanism and a discharging mechanism, wherein the turntable power device is arranged on the frame, a master gear is arranged at the top of the turntable, the turntable is connected with the turntable power device, a plurality of transparent support plates are annularly arranged on the turntable, a large gear with a hollow structure is connected below each transparent support plate, the large gear is rotatably arranged at the bottom of the turntable, each large gear is provided with a transition gear meshed with the large gear, each transition gear is meshed with the master gear, the full-automatic appearance inspection machine is uniformly provided with a feeding station, a plurality of side wall inspection stations, an end face inspection station and a discharging station, the side wall inspection stations are provided with a first inspection camera, a first optical lens, an upper light source and a lower light source, the upper light source and the lower light source are respectively positioned at the upper position and the lower position of the transparent support plates, the end face detection station is provided with a second detection camera, a second optical lens and a coaxial light source which are coaxially distributed up and down, the coaxial light source is located above the transparent support plate, the feeding mechanism is installed at the feeding station, the discharging mechanism is installed at the discharging station, the rotary table drives the transparent support plate to move by one station, each transparent support plate rotates by a certain angle through meshing of the main gear and the large gear through the transition gear, and when the rotary table rotates for a circle, the transparent support plate on the side wall detection station drives the product to complete 360-degree rotation. Therefore, a product to be tested is placed on the transparent carrier plate by the feeding mechanism, the main gear is driven to rotate by the turntable power device, the turntable rotates along with the main gear, meanwhile, the main gear is meshed with the transition gear, the transition gear is meshed with the large gear, and the transparent carrier plate rotates along with the large gear; the method comprises the following steps that a product to be detected moves from a feeding station to a first side wall detection station along the anticlockwise direction along with a turntable, meanwhile, each transparent support plate rotates for a certain angle along the clockwise direction, and after the transparent support plates rotate in place, a first detection camera of the first side wall detection station shoots the side wall of the product to be detected to acquire an image; then the product to be detected moves from the first side wall detection station to the second side wall detection station along the anticlockwise direction along with the rotary table, meanwhile, each transparent support plate rotates for a certain angle along the clockwise direction, and after the transparent support plates rotate in place, a first detection camera of the second side wall detection station shoots the side wall of the product to be detected to acquire an image; by analogy, when the product to be detected moves to the last side wall detection station along the counterclockwise direction along with the turntable, each transparent support plate completes one circle of rotation, and one circle of side walls of the product are photographed by the first detection camera to acquire the figure; the product to be detected moves from the last side wall detection station to the end face detection station along with the turntable in the anticlockwise direction, and the second detection camera takes pictures of the end face of the product to acquire images; the detected product moves along with the turntable from the end face detection station to the blanking station along the anticlockwise direction, and the blanking mechanism takes the detected product away from the transparent carrier plate; this full-automatic outward appearance detects machine can follow different angles and detect the outward appearance of product all around, and whether accurate judgement product appearance is up to standard, has improved work efficiency greatly, has also guaranteed high-quality detection.

In some embodiments, a rotary support is arranged in the rotary table, an outer ring of the rotary support is fixed, a transparent carrier plate is arranged on the top of an inner ring of the rotary support, and a large gear is arranged on the bottom of the inner ring of the rotary support. Therefore, when the large gear and the transition gear are in meshing transmission, the transparent carrier plate rotates along with the large gear, and the transmission is very stable.

In some embodiments, the turntable is of a hollow structure, a stand column is arranged in the center of the turntable, the bottom of the stand column is fixed to the frame, a fixed disk is arranged at the top of the stand column, the fixed disk is connected with the upper light source through a support, and the upper light source and the lower light source both adopt annular light sources. Therefore, the upper light source is arranged above the transparent carrier plate through the support, the angle of the upper light source can be finely adjusted, the upper light source and the lower light source can ensure that images can be clearly collected, and the probability of false detection is reduced.

In some embodiments, the turntable power device is a direct drive motor, a through hole is formed in the center of the direct drive motor, the upright post penetrates through the through hole and is fixed to the rack at the bottom, and the main gear is arranged at the top of the direct drive motor. Therefore, the direct drive motor can be directly connected with the load, namely the turntable and the main gear, has low energy consumption, high efficiency, low noise and low failure rate, and is beneficial to high-efficiency production.

In some embodiments, feed mechanism includes the base, material loading vibration dish and material loading manipulator, the base is fixed in the frame, material loading vibration dish is located on the base, the export of material loading vibration dish is equipped with sharp feeder, the bottom of sharp feeder is equipped with straight vibration ware, the front end of sharp feeder is equipped with wrong division device, wrong division device includes the support frame, wrong division ware, guide rail and slider, slider and guide rail cooperation, the support frame is fixed in at the both ends of guide rail, the one end of support frame is equipped with the microcylinder, the other end of support frame is equipped with the buffer, the telescopic link slider of microcylinder, wrong division ware is located on the slider, wrong division ware is equipped with product standing groove and baffle, the flexible drive product standing groove or the baffle of microcylinder remove to the discharge gate of sharp feeder. Therefore, products to be tested are placed in the feeding vibration disc and sequentially enter the linear feeder in a vibration sorting mode, the telescopic rod of the small air cylinder extends out, the product placing groove moves to a discharge port of the linear feeder, and the products to be tested are pushed into the product placing groove; the telescopic link of little cylinder contracts, and the wrong ware that divides is whole to retreat, and the baffle blocks the discharge gate of sharp feeder, and the material loading manipulator snatchs the product to be measured in the product standing groove to the transparent support plate of material loading station. In some embodiments, the unloading mechanism includes non-defective products box, unloading revolving cylinder and unloading manipulator, and non-defective products box and defective products box are all installed in the frame, and the position between non-defective products box and the defective products box is located to unloading revolving cylinder, and the top of unloading revolving cylinder is connected with the unloading chute. From this, during the unloading, the product on the transparent support plate of unloading station is snatched to the unloading chute to the unloading manipulator in, and the yields can drop into the yields box, if the product is not good, unloading revolving cylinder drive unloading chute turns to yields box one side of the yields, and the defective products drops into in the defective products box.

In some embodiments, the feeding manipulator and the discharging manipulator are identical in structure and respectively comprise an upright rod, a sliding table cylinder, a lifting cylinder and a finger cylinder, the side wall of the upright rod is connected with the sliding table cylinder, the bottom of the upright rod is installed on the frame, the finger cylinder is vertically connected to the side wall of the lifting cylinder, the lifting cylinder is connected with the sliding table cylinder, the finger cylinder of the feeding manipulator is aligned with the retracted product placing groove in the front and back direction, and the finger cylinder of the discharging manipulator is aligned with the center of a discharging rotary cylinder in the front and back direction. Therefore, when the material is loaded, the finger cylinder moves to a position above the retracted product placing groove, the lifting cylinder drives the finger cylinder to move downwards, the finger cylinder grabs a product to be tested, the lifting cylinder drives the finger cylinder to move upwards, the product to be tested is separated from the product placing groove, the sliding table cylinder drives the lifting cylinder to move towards the direction of the transparent support plate of the loading station, the product to be tested reaches the position above the transparent support plate, the lifting cylinder drives the finger cylinder to move downwards, the product to be tested is placed on the transparent support plate, and the lifting cylinder drives the finger cylinder to move upwards; when unloading, the finger cylinder removes directly over the product of unloading station, and the cylinder position descends is pointed in the lift cylinder drive, and after the finger cylinder snatched the product, the cylinder position rose is pointed in the lift cylinder drive, and the slip table cylinder drives lift cylinder and removes towards this direction of unloading revolving cylinder, puts in to the unloading chute.

In some embodiments, the lateral wall detection station and the end face detection station are both provided with a vertical plate, the bottom of the vertical plate is installed in the frame through a first adjusting sliding table, the lateral wall of the stand column of the lateral wall detection station is provided with a second adjusting sliding table, the first detection camera is connected with the second adjusting sliding table through a retainer assembly, the first optical lens is aligned with the lateral wall of the product, the lateral wall of the stand column of the end face detection station is provided with a third adjusting sliding table, the second detection camera is connected with the third adjusting sliding table through an L-shaped bracket, the coaxial light source is connected to the vertical plate through a fourth adjusting sliding table, and the second optical lens and the coaxial light source are aligned with the product directly. Therefore, the overall front and rear positions of the vertical plate can be adjusted through the first adjusting sliding table according to different products, the positions of the first detection camera and the first optical lens are adjusted through the second adjusting sliding table, the upper and lower positions of the second detection camera and the second optical lens are adjusted through the third adjusting sliding table, and the upper and lower positions of the coaxial light source are adjusted through the fourth adjusting sliding table.

In some embodiments, there are five side wall detection stations, eight transparent support plates, and the feeding station, the five side wall detection stations, the end face detection station and the discharging station are uniformly distributed in a counterclockwise direction relative to the center of the turntable, and the transparent support plate rotates 72 degrees when the turntable rotates 45 degrees. Therefore, the number of the side wall detection stations determines that the side wall of the product is divided into several times of detection, no matter how many side wall detection stations are arranged, the detection of 360-degree dead angles is finished on the side wall detection station process by ensuring the product, if five side wall detection stations are arranged, when the rotary table rotates 45 degrees, namely 1/8 circles, each transparent carrier plate rotates 72 degrees, namely 1/5 circles, and the appearance of the product is detected by shooting at five angles.

In some embodiments, the number of the side wall detection stations is six, the number of the transparent support plate is nine, the feeding station, the six side wall detection stations, the end face detection station and the discharging station are uniformly distributed in a counterclockwise direction relative to the center of the turntable, and the transparent support plate rotates 60 degrees when the turntable rotates 40 degrees. Therefore, if the number of the side wall detection stations is six, each transparent carrier plate rotates 60 degrees, namely 1/6 circles, when the turntable rotates 40 degrees, namely 1/9 circles, so that the appearance of the product is detected by shooting at six angles.

In some embodiments, nine side wall detection stations are provided, twelve transparent support plates are provided, the feeding station, the nine side wall detection stations, the end face detection station and the discharging station are uniformly distributed in a counterclockwise direction relative to the center of the turntable, and the transparent support plates rotate by 40 degrees when the turntable rotates by 30 degrees. Therefore, if nine side wall detection stations are arranged, every time the turntable rotates for 30 degrees, namely 1/12 circles, each transparent carrier plate rotates for 40 degrees, namely 1/12 circles, and the product is shot at 9 angles to detect the appearance.

Compared with the prior art, the invention has the beneficial effects that: the full-automatic appearance detection machine is scientific and reasonable, has a compact structure, realizes automatic detection, automatically captures a product to be detected onto the rotatable transparent carrier plate, rotates the transparent carrier plate carrying the product by a certain angle while rotating one station by a gear synchronous transmission mode, and drives the product to complete 360-degree rotation by the transparent carrier plate on the side wall detection station when the turntable rotates one circle.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a fully automatic appearance inspection machine according to the present invention;

FIG. 2 is a schematic diagram of the arrangement of stations;

FIG. 3 is a schematic view of the installation among the main gear, the transition gear, the bull gear, the turntable and the transparent carrier;

FIG. 4 is a schematic structural view of a feeding mechanism;

FIG. 5 is a schematic view of the apparatus at the side wall inspection station;

FIG. 6 is a schematic view of the structure of the device at the end face inspection station

Fig. 7 is a schematic structural view of the blanking mechanism.

Detailed Description

The present invention will be further described with reference to the following embodiments.

As shown in fig. 1 and 2, the fully automatic appearance inspection machine according to the embodiment of the present invention includes a frame 1, a turntable 2, a turntable power device 3, a feeding mechanism 4, and a discharging mechanism 5.

As shown in fig. 3, the turntable 2 is a hollow disc, and the turntable power device 3 is a DD motor, i.e., a direct drive motor, which has a through hole in the center. The bottom of the turntable power device 3 is installed on the frame 1, the top of the turntable power device 3 is provided with a main gear 31 through a bolt, and the turntable 2 is installed on the end face of the turntable power device 3 through a bolt. The direct drive motor can be directly connected with the load, namely the turntable 2 and the main gear 31, has low energy consumption, high efficiency, low noise and low failure rate, and is beneficial to high-efficiency production. A plurality of through holes are annularly arranged on the turntable 2, and a transparent carrier plate 6 is arranged in each through hole. In this embodiment, the transparent carrier 6 is made of circular optical glass, and a positioning fixture 62 is installed at the center of the transparent carrier 6. A large gear 32 with a hollow structure is connected below each transparent carrier plate 6, and the large gear 32 is rotatably installed at the bottom of the turntable 2. Specifically, a rotary support 61 is arranged in each through hole of the rotary table 2, an outer ring of the rotary support 61 is connected with two support frames (not shown) through screws, the support frames and the rotary table 2 are fixed through a fixing frame 24 and locked through screws, the transparent carrier plate 6 is connected to the top of an inner ring of the rotary support 61 through screws, and the large gear 32 is connected to the bottom of the inner ring of the rotary support 61 through screws. The pivoting support 61 is also called as a turntable bearing, and when the large gear 32 is engaged with the transition gear 33 for transmission, the transparent carrier plate 6 rotates along with the large gear 32, so that the transmission is very stable. Each gearwheel 32 is provided with a transition gear 33 in mesh with it, each transition gear 33 being in mesh with the main gear 31. The transition gear 33 is located at the bottom of the turntable 2, and a fixing spindle (not shown) of the transition gear 33 is fixedly connected with the turntable 2 through a fixing seat 331, so that the transition gear 33 can be reliably installed and is stable in position in the gear meshing process.

As shown in fig. 2, a feeding station 11, a plurality of side wall detection stations 12, an end face detection station 13 and a discharging station 14 are uniformly distributed on the full-automatic appearance detection machine. The side wall inspection station 12 is used for inspecting the side wall of the product, and in this embodiment, the product is inverted on the transparent carrier 6, so the end face inspection station 13 is used for inspecting the bottom of the product. As shown in fig. 5, the sidewall inspection station 12 is provided with a first inspection camera 71, a first optical lens 72, an upper light source 73 and a lower light source 74, the upper light source 73 and the lower light source 74 are respectively located at the upper and lower positions of the transparent carrier 6, and the first optical lens 72 is connected to the front end of the first inspection camera 71 and aligned with the sidewall of the product. As shown in fig. 6, the end face detection station 13 is provided with a second detection camera 81, a second optical lens 82 and a coaxial light source 83 which are coaxially distributed up and down, the second optical lens 82 is connected to the second detection camera 81, the coaxial light source 83 is located right above the transparent carrier plate 6, and the second detection camera 81, the second optical lens 82 and the coaxial light source 83 are coaxially arranged up and down in the center of the transparent carrier plate 6. Both the first detection camera 71 and the second detection camera 81 employ CCD cameras. The feeding mechanism 4 is installed at a feeding station 11, and the blanking mechanism 5 is installed at a blanking station 14. The turntable 2 drives the transparent carrier plates 6 to move a station, each transparent carrier plate 6 rotates at a certain angle through the meshing of the main gear 31 and the large gear 32 through the transition gear 33, and when the turntable 2 rotates for one circle, the transparent carrier plates 6 on the side wall detection station 12 drive the products to complete 360-degree rotation.

As shown in fig. 5, the center of the turntable 2 is provided with a column 21, the column 21 penetrates through the center of the turntable power device 3, the bottom of the column 21 is fixed to the frame 1, the top of the column 21 is provided with a fixing plate 22 through a screw, and the fixing plate 22 is connected with the upper light source 73 through a bracket 23. The lower light source 74 is mounted on the frame 1 through the supporting rod 741, and the position of the lower light source 74 is below the large gear 32, but the lower light source 74 faces directly below the transparent carrier 6, and the large gear 32 does not affect the light irradiation. The upper light source 73 and the lower light source 74 are both annular light sources. The upper light source 73 is arranged above the transparent carrier plate 6 through the bracket 23, the angle of the upper light source 73 can be finely adjusted, the upper light source 74 and the lower light source 74 can ensure that images can be clearly collected, and the probability of error detection is reduced.

As shown in fig. 4, the feeding mechanism 4 includes a base 41, a feeding vibration tray 42, and a feeding robot 43. The base 41 is fixed to the frame 1 by bolts, the feeding vibration tray 42 is mounted on the base 41, the outlet of the feeding vibration tray 42 is connected to the linear feeder 44, and the linear vibrator 45 is mounted at the bottom of the linear feeder 44. The front end of the linear feeder 44 is provided with a wrong-dispensing device 46, and the wrong-dispensing device 46 includes a support frame 461, a wrong-dispensing device 462, a guide rail 463 and a slider 464. Slider 464 and the cooperation of guide rail 463, the both ends of guide rail 463 are fixed in support frame 461, and little cylinder 465 is installed to the one end of support frame 461, and buffer 466 is installed to the other end of support frame 461, and slider 464 is connected to the telescopic link of little cylinder 465, and wrong minute ware 462 is located on slider 464. The wrong separator 462 is provided with a product placing groove 4621 and a baffle 4622, and the product placing groove 4621 or the baffle 4622 is driven to move to the discharge port of the linear feeder 44 by the expansion and contraction of the small cylinder 465. Products to be tested are placed in the feeding vibration disc 42 and sequentially enter the linear feeder 44 in a vibration sorting mode, the telescopic rod of the small cylinder 465 extends out, the product placing groove 4621 moves to the discharge hole of the linear feeder 44, and the products to be tested are pushed into the product placing groove 4621; the telescopic rod of the small cylinder 465 retracts, the misclassification device 462 integrally retreats, the baffle 4622 blocks the discharge hole of the linear feeder 44, and the feeding manipulator 43 grabs the product to be detected in the product placing groove 4621 onto the transparent carrier plate 6 of the feeding station 11.

As shown in fig. 7, the feeding mechanism 5 includes a good product cassette 51, a defective product cassette 52, a feeding rotary cylinder 53, and a feeding robot 54. The good product box 51 and the defective product box 52 are both mounted on the frame 1, the blanking rotating cylinder 53 is located between the good product box 51 and the defective product box 52, and the top of the blanking rotating cylinder 53 is connected with a blanking chute 55. During blanking, the blanking manipulator 54 grabs the products on the transparent carrier plate 6 of the blanking station 14 into the blanking chute 55, good products can be put into the good product box 51, if the products are not good, the blanking rotary cylinder 53 drives the blanking chute 55 to turn to one side of the bad product box 52, and the bad products are put into the bad product box 52.

As shown in fig. 4 and 7, in the present embodiment, the feeding robot 43 and the blanking robot 54 have the same structure, and each includes an upright 541, a sliding table cylinder 542, a lifting cylinder 543, and a finger cylinder 544. The side wall of the vertical rod 541 is fixedly connected with the sliding table cylinder 542, and the bottom of the vertical rod 541 is installed on the frame 1. The finger cylinder 544 is vertically connected to the side wall of the lifting cylinder 543 through a screw, and the lifting cylinder 543 is connected to the sliding table cylinder 542 through a screw. The finger cylinder 544 of the loading robot 43 is aligned front-to-back with the retracted product placement slot 4621 position. The finger cylinder 544 of the feeding robot 54 is aligned with the center of the feeding rotary cylinder 53 in front and rear directions. During feeding, the finger cylinder 544 moves to a position above the retracted product placement groove 4621, the lifting cylinder 543 drives the finger cylinder 544 to move downwards, the finger cylinder 544 grabs a product to be detected, the lifting cylinder 543 drives the finger cylinder 544 to move upwards, the product to be detected is separated from the product placement groove 4621, the sliding table cylinder 542 drives the lifting cylinder 543 to move towards the transparent carrier plate 6 of the feeding station 11, the product to be detected reaches the position above the transparent carrier plate 6, the lifting cylinder 543 drives the finger cylinder 544 to move downwards, the product to be detected is placed on the transparent carrier plate 6, and the lifting cylinder 543 drives the finger cylinder 544 to move upwards. During blanking, the finger cylinder 544 moves to a position right above a product at the blanking station 14, the lifting cylinder 543 drives the finger cylinder 544 to descend, after the finger cylinder 544 grabs the product, the lifting cylinder 543 drives the finger cylinder 544 to ascend, and the sliding table cylinder 542 drives the lifting cylinder 543 to move towards the blanking rotating cylinder 53, so that the product is thrown into the blanking chute 55.

As shown in fig. 5 and 6, the side wall detection station 12 and the end face detection station 13 are both provided with a vertical plate 9, and the bottom of the vertical plate 9 is installed on the frame 1 through a first adjusting sliding table 91. Specifically, the first adjusting sliding table 91 comprises a base plate 911 and a first moving block 912, the base plate 911 is mounted on the frame 1 through bolts, the first moving block 912 is connected to the bottom of the vertical plate 9, the base plate 911 is provided with a rack 90, a gear (not shown) matched with the rack 90 is correspondingly arranged in the first moving block 912, the base plate 911 and the first moving block 912 are connected and guided in a dovetail manner, the front and rear positions of the first moving block 912 on the base plate 911 can be adjusted through an adjusting knob, and the front and rear positions of the whole vertical plate 9 can be adjusted through the first adjusting sliding table 91.

As shown in fig. 5, the side walls of the vertical plates 9 of the side wall detection station 12 are provided with second adjusting sliding tables 92, the first detection camera 71 is connected to the second adjusting sliding tables 92 through a holder assembly 95, and the first optical lens 72 is aligned with the side wall of the product. Specifically, the second adjusting sliding table 92 comprises a second moving block 921, the vertical plate 9 of the side wall detection station 12 and the second moving block 921 are guided in a dovetail groove manner, a long screw 922 is arranged in the vertical plate 9 of the side wall detection station 12, the second moving block 921 is provided with an internal thread (not shown) matched with the long screw 922, and the second moving block 921 can move up and down along the vertical plate 9 through an adjusting knob; holder subassembly 95 includes fixed plate 951 and adjusting disk 952, and first detection camera 71 is installed in the adjusting disk 952 lateral wall through fixed block 953, and first optical lens 72 is installed in the adjusting disk 952 lateral wall through lock ring 954, and two arc holes 9521 have been seted up to adjusting disk 952, and the adjusting disk 952 lateral wall is installed in the lateral wall of fixed plate 951, and the angle of the contra-rotating product of the first optical lens 72 of accessible arc hole 9521 fine rotation adjustment and first detection camera 71, and fixed plate 951 is connected in second movable block 921. The vertical position and the rotation angle of the first detection camera 71 and the first optical lens 72 can be adjusted by the second adjustment slide table 92 and the holder assembly 95.

As shown in fig. 6, the side wall of the vertical plate 9 of the end face detection station 13 is provided with a third adjusting sliding table 93, the second detection camera 81 is connected to the third adjusting sliding table 93 through an L-shaped bracket 96, the coaxial light source 83 is connected to the vertical plate 9 through a fourth adjusting sliding table 94, and the second optical lens 82 and the coaxial light source 83 are aligned over the product. Specifically, the third adjusting sliding table 93 includes a third moving block 931, the vertical plate 9 of the end surface detection station 13 and the third moving block 931 are guided in a dovetail groove manner, a rack 932 is vertically installed on the vertical plate 9 of the end surface detection station 13, a gear (not shown in the figure) matched with the rack 932 is arranged in the third moving block 931, the second detection camera 81 is connected to the L-shaped bracket 96 through a fixing structure 961, and the L-shaped bracket 96 is connected to the third moving block 931 and the third moving block 931 can drive the second detection camera 81 and the second optical lens 82 to move up and down along the vertical plate 9 through an adjusting knob. The fourth adjusting sliding table 94 includes a fourth moving block 941, the vertical plate 9 and the fourth moving block 941 of the end surface detection station 13 are guided in a dovetail groove manner, a gear (not shown) matched with the rack 932 of the vertical plate 9 is arranged in the fourth moving block 941, the coaxial light source 83 is connected to the fourth moving block 941 through a fixing structure 942, and the fourth moving block 941 can drive the coaxial light source 83 to move up and down through an adjusting knob.

In this embodiment, the number of the side wall detection stations 12 is five, and the end surface detection station 13, the loading station 11, and the unloading station 14 are each one, so that the total number of the transparent carrier plates 6 is eight. The feeding station 11, the five side wall detection stations 12, the end face detection station 13 and the blanking station 14 are uniformly distributed in the anticlockwise direction relative to the center of the rotary table 2, and when the rotary table 2 rotates 45 degrees, the transparent carrier plate 6 rotates 72 degrees. The number of the side wall detection stations 12 determines that the side wall of the product is divided into several times of detection, no matter how many side wall detection stations 12 are arranged, the product is guaranteed to be in the side wall detection station 12 process, detection of 360-degree no dead angle is completed, when five side wall detection stations 12 are arranged, when the rotary disc 2 rotates 45 degrees, namely 1/8 circles, each transparent support plate 6 rotates 72 degrees, namely 1/5 circles, and the product is shot at five angles to detect the appearance.

In practical application, six side wall detection stations 12 can be adopted, and each of the end face detection station 13, the loading station 11 and the unloading station 14 is provided, so that the total number of the transparent carrier plates 6 is nine, the loading station 11, the six side wall detection stations 12, the end face detection station 13 and the unloading station 14 are uniformly distributed in a counterclockwise direction relative to the center of the rotating disc 2, and when the rotating disc 2 rotates by 40 degrees, the transparent carrier plate 6 rotates by 60 degrees. When the side wall detection stations 12 are provided with six, each transparent carrier plate 6 rotates 60 degrees, namely 1/6 circles, when the turntable 2 rotates 40 degrees, namely 1/9 circles, so that the appearance of the product is detected by shooting at six angles.

In practical application, nine side wall detection stations 12 can be adopted, namely the end face detection station 13, the loading station 11 and the unloading station 14 are respectively arranged, so that the total number of the transparent carrier plates 6 is twelve. The feeding station 11, the nine side wall detection stations 12, the end face detection station 13 and the blanking station 14 are uniformly distributed in the anticlockwise direction relative to the center of the rotary table 2, and when the rotary table 2 rotates by 30 degrees, the transparent support plate 6 rotates by 40 degrees. When nine side wall detection stations 12 are arranged, every time the turntable 2 rotates 30 degrees, namely 1/12 circles, each transparent carrier plate 6 rotates 40 degrees, namely 1/12 circles, and the product is shot at 9 angles to detect the appearance.

As shown in fig. 1, a security door 101 and a protection grating 102 are disposed on a rack 1, images collected by a first detection camera 71 and a second detection camera 81 are transmitted to a background for image analysis, a display 103 is mounted on a table of the rack 1 for facilitating observation of detection conditions, an operation table 104 is disposed at the front end of the rack 1, a keyboard drawer 105 is disposed on the operation table 104, and a tri-color lamp 106 is mounted at the top of the rack 1 for reminding operation conditions of the device.

The working process is explained by using a full-automatic appearance detection machine with five side wall detection stations 12 and one end surface detection station 13, one loading station 11 and one unloading station 14. The structure of the feeding manipulator 43 of the feeding mechanism 4 grabs the product to be tested from the product placement groove 4621 onto the positioning jig 62 of the transparent carrier plate 6, the turntable power device 3 drives the main gear 31 to rotate, the turntable 2 rotates along with the main gear 31, meanwhile, the main gear 31 is meshed with the transition gear 33, the transition gear 33 is meshed with the bull gear 32, and the transparent carrier plate 6 rotates along with the bull gear 32; the product to be detected moves from the feeding station 11 to the first side wall detection station 12 along the counterclockwise direction along with the turntable 2, at this time, the turntable 2 rotates 45 degrees, meanwhile, each transparent support plate 6 rotates clockwise, and the self-rotation angle of each transparent support plate 6 is 72 degrees; after the product is rotated in place, the first detection camera 71 of the first side wall detection station 12 takes a picture of the side wall of the product to be detected to acquire an image, and at the moment, the feeding mechanism 4 continues to grab the product to be detected onto the positioning jig 62 of the transparent carrier plate 6 on the feeding station 11; then the product to be detected moves from the first side wall detection station 12 to the second side wall detection station 12 along the counterclockwise direction along with the rotary table 2, at this time, the rotary table 2 rotates 45 degrees, meanwhile, each transparent carrier plate 6 rotates 72 degrees along the clockwise direction, after the rotation is in place, the first detection camera 71 of the second side wall detection station 12 takes pictures of the side wall of the product to be detected to acquire images, and the feeding mechanism 4 still feeds the transparent carrier plate 6; by analogy, when the product to be detected moves to the last side wall detection station 12 along the turntable 2 in the counterclockwise direction, each transparent carrier plate 6 completes one circle of 30-degree rotation, and the side wall of each circle of the product is photographed by the first detection camera 71 to acquire a graph; the product to be detected moves from the last side wall detection station 12 to the end face detection station 13 along the counterclockwise direction along with the rotary table 2, at this time, the rotary table 2 rotates by 45 degrees, meanwhile, each transparent carrier plate 6 rotates by 72 degrees along the clockwise direction, and after the rotation is in place, the second detection camera 81 takes pictures of the end face, namely the bottom face, of the product to acquire images; the products which are detected rotate 45 degrees along the anticlockwise direction along with the rotary disc 2 and move from the end face detection station 13 to the blanking station 14, meanwhile, each transparent support plate 6 rotates 72 degrees along the clockwise direction, the blanking mechanism 5 takes the products which are detected by the feeding mechanical arm 43 structure away from the transparent support plates 6, good products are put into the good product box 51, and defective products are put into the defective products. This full-automatic outward appearance detects machine can follow the outward appearance of different angles to the product all around and detect, and whether accurate judgement product outward appearance is up to standard, has guaranteed high-quality detection, and in case the equipment is opened, each station operates simultaneously, has improved work efficiency greatly.

The full-automatic appearance inspection machine is scientific and reasonable, has a compact structure, realizes automatic inspection, automatically picks a product to be inspected onto the rotatable transparent carrier plate 6, rotates the transparent carrier plate 6 carrying the product to a certain angle while rotating the turntable 2 to a station in a gear synchronous transmission mode, and drives the product to complete 360-degree rotation by the transparent carrier plate 6 on the side wall inspection station 12 when the turntable 2 rotates for one circle.

The foregoing describes only some embodiments of the present invention and modifications and variations thereof will be apparent to those skilled in the art without departing from the spirit and scope of the invention.