Appearance inspection equipment

Abstract

The present invention discloses an appearance inspection device, including a machine platform, a back inspection mechanism, a front inspection mechanism, a side inspection mechanism, a material receiving mechanism, a two-axis material picking and transferring mechanism, a conveying mechanism, and a material receiving robot; the back inspection mechanism, the front inspection mechanism, the side inspection mechanism, the conveying mechanism, and the two-axis material picking and transferring mechanism are all installed on the machine platform, the material receiving mechanism is installed on one side of the machine platform and is adjacent to the side inspection mechanism, and the material receiving robot is installed on the material receiving mechanism. Because the conveying mechanism and the two-axis material picking and transferring mechanism of the present invention respectively send the LED module to be inspected into the back inspection mechanism, the front inspection mechanism, and the side inspection mechanism for inspection, after the inspection is completed, the material receiving robot sends the LED module into the material receiving mechanism for storage. The present invention directly replaces manual work, has the advantages of stable production process and high inspection efficiency, and solves the problem of quality abnormalities caused by human factors.

Description

Technical Field

[0001] The invention relates to the field of electronic production, and in particular to appearance detection equipment. Background Art

[0002] The produced LED modules may have problems such as floating screws, sinking screws, missing screws, glue sticking to lamp tubes, collisions, capacitors falling off, label numbers, and biased power sockets and horn sockets. Appearance inspection is required before entering the assembly process. At present, the appearance inspection of LED modules is mostly done by manual inspection, which has high labor costs, especially for new operators, which are prone to omissions and unstable production processes. Summary of the invention

[0003] The object of the present invention is to provide an appearance inspection device with stable production process and high inspection accuracy.

[0004] To achieve the above-mentioned purpose, the technical solution of the present invention is: an appearance inspection equipment includes a machine platform, a back inspection mechanism, a front inspection mechanism, a side inspection mechanism, a material receiving mechanism, a two-axis material picking and transferring mechanism, a conveying mechanism, and a material receiving robot; the back inspection mechanism, the front inspection mechanism, and the side inspection mechanism are all installed on the machine platform, the material receiving mechanism is installed on one side of the machine platform and is adjacent to the side inspection mechanism, the conveying mechanism is installed on the machine platform and runs between the back inspection mechanism and the front inspection mechanism, the two-axis material picking and transferring mechanism is installed on the machine platform and runs between the front inspection mechanism and the side inspection mechanism, the material receiving robot is installed on the material receiving mechanism, and the material receiving robot moves back and forth between the side inspection mechanism and the material receiving mechanism.

[0005] The back detection mechanism includes a back frame, a Y-axis linear module, a Y-axis guide rail, an X-axis movable frame, an X-axis linear module, a back lifting module, a swing frame, a swing motor, a reciprocating swing mechanism, a swing block, and a swing camera; the back frame is straddled on the machine platform, the Y-axis linear module and the Y-axis guide rail are both installed on the top of the back frame and are arranged opposite to each other, one end of the X-axis movable frame is connected to the slider of the Y-axis linear module, the other end of the X-axis movable frame is slidably connected to the Y-axis guide rail, the back lifting module is fixed on the slider of the X-axis linear module, the swing frame is installed on the slider of the back lifting module, the swing motor is installed on the swing frame, the output shaft of the swing motor is connected to the swing block through the reciprocating swing mechanism, driving the swing block to swing back and forth, and the swing camera is installed on the swing block.

[0006] The two-axis material picking and transferring mechanism includes a front translation module, a translation guide rail, a translation frame, and a front lifting module; the front translation module and the translation guide rail are both installed on the top of the machine and arranged opposite to each other, one side of the top of the translation frame is slidably connected to the translation guide rail, and the other side of the top of the translation frame is connected to the slider of the front translation module, and the front lifting module is installed on the translation frame.

[0007] The front detection mechanism includes a flip motor, a flip frame, a flip clamp, a front camera, and a flip motor frame; the flip motor frame is fixed on a two-axis material picking and transferring mechanism; the flip motor is installed at the lower part of the flip motor frame, the output shaft of the flip motor is connected to the inner end of the flip frame, and the flip clamp is installed on the flip frame; the front camera is installed on the top of the machine with the lens facing downward.

[0008] The front detection mechanism also includes a flip jaw adjustment mechanism, which is installed on the flip frame; the flip jaw adjustment mechanism includes an adjustment frame and two fixing screws, the adjustment frame is provided with a long slot, and the two fixing screws are respectively passed through the long slot of the adjustment frame and fixedly connected with the two flip jaws, and the distance between the two flip jaws can be adjusted by adjusting the spacing between the two fixing screws.

[0009] The side detection mechanism includes a side frame, a rotating motor, a rotating table, and two groups of side detection components; the lower end of the side frame is fixed on the machine table, the rotating motor is fixed to the bottom of the side frame cantilever, the output shaft of the rotating motor passes through the side frame cantilever upward and is connected to the bottom of the rotating table, and the rotating table is rotatably installed on the top surface of the side frame cantilever; the two groups of side detection components are both installed on the machine table and are perpendicular to each other.

[0010] The rotating platform in the side detection mechanism includes a base, a transverse clamping mechanism and a longitudinal clamping mechanism; the transverse clamping mechanism and the longitudinal clamping mechanism are both installed on the base and are installed perpendicular to each other;

[0011] The transverse clamping mechanism comprises a transverse motor, a transverse pulley group, a transverse guide rail, two transverse clamping blocks, and two groups of transverse clamping rods; the transverse guide rail is mounted on a pedestal, the transverse motor is mounted on the pedestal and the output shaft of the transverse motor is connected to the transverse pulley group, the two transverse clamping blocks are slidably connected to the transverse guide rail and are arranged opposite to each other, the two transverse clamping blocks are respectively clamped on the belts of the transverse pulley group, the rotating transverse pulley group can drive the two transverse clamping blocks to approach or separate from each other, and the two groups of transverse clamping rods are respectively mounted on the two transverse clamping blocks;

[0012] The longitudinal clamping mechanism includes a longitudinal motor, a longitudinal pulley group, a longitudinal guide rail, two longitudinal clamping blocks, and two groups of longitudinal clamping rods; the longitudinal guide rail is installed on a pedestal, the longitudinal motor is installed on the pedestal and the output shaft of the longitudinal motor is connected to the longitudinal pulley group, the two longitudinal clamping blocks are slidably connected to the longitudinal guide rail and arranged opposite to each other, the two longitudinal clamping blocks are respectively clamped on the belt of the longitudinal pulley group, the rotating longitudinal pulley group can drive the two longitudinal clamping blocks to approach or separate from each other, and the two groups of longitudinal clamping rods are respectively installed on the two longitudinal clamping blocks.

[0013] The side inspection component includes a side inspection module, a camera frame, a side inspection camera, and a lighting component; the side inspection module is installed on the machine platform, the lower end of the camera frame is fixed on the slider of the side inspection module, and the side inspection camera and the lighting component are both installed on the upper part of the camera frame.

[0014] The conveying mechanism includes a top conveying mechanism, a lifting mechanism, and a bottom conveying mechanism; the top conveying mechanism is installed on the table top of the machine, the discharge end of the top conveying mechanism is connected with the feed end of the lifting mechanism, and the discharge end of the lifting mechanism is connected with the feed end of the bottom conveying mechanism.

[0015] The top conveying mechanism has the same structure as the bottom conveying mechanism, which includes a feeding rack, a feeding motor, a motor driving shaft, two feeding belts, two groups of feeding pulley groups, a limiting cylinder, and a limiting plate. The feeding rack is installed on the machine platform, and the feeding motor is installed on the feeding rack. The output shaft of the feeding motor is connected to one end of the motor driving shaft, and the motor driving shaft is rotatably installed on the feeding rack and the motor driving shaft is connected to the two groups of feeding pulley groups. The two feeding belts are respectively wound around the two groups of feeding pulley groups and the two feeding belts are arranged in parallel; the cylinder body of the limiting cylinder is fixed to the feeding end or the discharging end of the feeding rack, the piston rod end of the limiting cylinder is connected to the inner end of the limiting plate, and the outer end of the limiting plate extends to the feeding end or the discharging end of the feeding rack.

[0016] The lifting mechanism includes a lifting frame, a lifting motor, a lifting pulley group, a lifting screw, a lifting screw nut, a lifting platform, a lifting guide rail, and a lifting conveying mechanism; the lifting frame is installed on the machine platform, the lifting motor is installed on the lifting frame and the output shaft of the lifting motor is connected to the upper end of the lifting screw through the lifting pulley group, the lifting screw is rotatably installed vertically on the machine platform and is screwed with the lifting screw nut, the lifting screw nut is fixedly installed on one side of the lifting platform, the lifting platform is slidably connected to the lifting guide rail, and the lifting guide rail is vertically installed on the machine platform; the lifting conveying mechanism is installed on the lifting platform.

[0017] The receiving mechanism comprises a receiving frame, a feeding mechanism, a discharging mechanism, and two sets of table positioning mechanisms; the feeding mechanism and the discharging mechanism are both mounted on the receiving frame and the feeding mechanism and the discharging mechanism are arranged side by side, and the two sets of table positioning mechanisms are both mounted on the receiving frame and are respectively arranged at the feeding end of the feeding mechanism and the discharging end of the discharging mechanism;

[0018] The feeding mechanism has the same structure as the discharging mechanism; the feeding mechanism includes a receiving roller frame, a receiving conveying mechanism, and a receiving lifting mechanism; the receiving roller frame is installed at the bottom of one side of the receiving frame, the receiving lifting mechanism is installed on the other side of the receiving frame, the receiving conveying mechanism is installed on the receiving frame and connected with the receiving roller frame, and the receiving lifting mechanism is connected with the receiving conveying mechanism when it drops to the lowest position.

[0019] The table positioning mechanism is composed of multiple positioning cylinders, multiple positioning plates and two limit plates. The cylinder bodies of the multiple positioning cylinders are respectively installed on the material receiving frame and are arranged vertically. The multiple positioning cylinders arranged perpendicular to each other are located on both sides of the material frame outlet of the material receiving frame. Positioning plates are installed on the rod ends of the piston rods of the positioning cylinders. The two limit plates are fixed on the material receiving frame. The two limit plates are arranged perpendicular to each other and are located on the other two sides of the material frame outlet of the material receiving frame to limit the long side and wide side of the material frame.

[0020] The receiving roller frame includes a roller motor, a roller pulley group, a power roller, and multiple rollers; the roller motor is installed on the receiving frame, the output shaft of the roller motor is connected to one end of the power roller through the roller pulley group, the power roller is rotatably installed on the receiving frame and the discharge end of the power roller is connected to the receiving conveying mechanism, the feed end of the power roller is connected to the multiple rollers, and the multiple rollers are rotatably installed on the receiving frame.

[0021] The material receiving and conveying mechanism comprises a material receiving motor, a material receiving sprocket set, and a material receiving and conveying belt; the material receiving motor is installed on the material receiving frame, and the output shaft of the material receiving motor is connected to the material receiving and conveying belt through the material receiving sprocket set to drive the material receiving and conveying belt to run.

[0022] The material receiving lifting mechanism includes a material receiving lifting module, a material receiving lifting platform, and a material receiving guide rail; the material receiving lifting module is longitudinally installed on the material receiving frame, the material receiving lifting platform is vertically installed on the slider of the material receiving lifting module and the inner end of the material receiving lifting platform is slidably connected to the material receiving guide rail, the material receiving lifting platform is located in the middle of the material receiving conveying mechanism, and the material receiving guide rail is vertically installed on the material receiving frame.

[0023] The material receiving robot includes a robot and a clamping mechanism; the clamping mechanism is installed at the free end of the robot; the clamping mechanism includes a clamping seat, a clamping lifting cylinder, a suction cup frame, a suction cup, a clamping claw cylinder, and two clamps; the clamping seat is installed at the free end of the robot, the cylinder body of the clamping lifting cylinder is fixed on the clamping seat, the rod end of the piston rod of the clamping lifting cylinder is connected to the suction cup frame, the suction cup is fixedly installed on the suction cup frame, the cylinder body of the clamping claw cylinder is fixed on the clamping seat, and the two clamps are respectively connected to the two piston rod ends of the clamping claw cylinder.

[0024] After adopting the above scheme, since the present invention includes a machine, a back detection mechanism, a front detection mechanism, a side detection mechanism, a material collection mechanism, a two-axis material picking and transferring mechanism, a transmission mechanism, and a material collection manipulator, the transmission mechanism sends the LED module to be detected placed in the material frame to the back detection station, and the back detection mechanism detects the back of the LED module; after the back detection is completed, the transmission mechanism sends the LED module to the front detection station, and the flip motor in the front detection mechanism drives the flip clamp to clamp the LED module and flip the LED module 180° before performing a front detection; after the front detection is completed, the two-axis material collection and transferring mechanism sends the LED module to be detected to the side detection mechanism for side detection; after the side detection is completed, the material collection manipulator sends the LED module to the material collection mechanism for storage. The present invention directly replaces manual work, has the advantages of stable production process and high detection efficiency, and solves the problem of quality abnormalities caused by human factors.

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is an axonometric view of the present invention;

[0027] Figure 2 is a top axonometric view of the back detection mechanism of the present invention;

[0028] Figure 3 It is a bottom-up axonometric view of the back detection mechanism of the present invention;

[0029] Figure 4 is a top axonometric view of the front detection mechanism of the present invention;

[0030] Figure 5 It is a front axonometric view of the flip jaw adjustment mechanism of the present invention;

[0031] Figure 6 It is a top axonometric view of the flip jaw adjustment mechanism of the present invention;

[0032] Figure 7 is a front axonometric view of the side detection mechanism of the present invention;

[0033] Figure 8 is a top axonometric view of the side detection mechanism of the present invention;

[0034] Fig. 9 It is a top axonometric view of the rotating table in the side detection mechanism of the present invention;

[0035] Fig.10 It is a front axonometric view of the rotating table in the side detection mechanism of the present invention;

[0036] Fig.11 It is a bottom-up axonometric diagram of the lifting mechanism in the conveying mechanism of the present invention;

[0037] Fig.12 It is a top axonometric view of the lifting mechanism in the conveying mechanism of the present invention;

[0038] Fig.13 It is a top axonometric view of the top conveying mechanism in the conveying mechanism of the present invention;

[0039] Fig.14 It is a top axonometric view of the material receiving mechanism of the present invention;

[0040] Fig.15 It is a top axonometric view of the feeding mechanism in the material receiving mechanism of the present invention;

[0041] Fig.16 It is a top axonometric view of the table positioning mechanism in the material receiving mechanism of the present invention;

[0042] Fig.17 It is an axonometric diagram of the material receiving and lifting mechanism in the material receiving mechanism of the present invention;

[0043] Fig.18 It is a top axonometric view of the material receiving manipulator of the present invention;

[0044] Fig.19 It is an axonometric view of the clamping mechanism in the material receiving robot of the present invention. DETAILED DESCRIPTION

[0045] like Figure 1 As shown, the present invention is an appearance inspection device, including a machine platform 1, a back inspection mechanism 2, a front inspection mechanism 3, a side inspection mechanism 4, a material receiving mechanism 5, a two-axis material picking and transferring mechanism 6, a conveying mechanism 7, and a material receiving robot 8.

[0046] The back detection mechanism 2, the front detection mechanism 3, and the side detection mechanism 4 are all installed on the machine 1. The material receiving mechanism 5 is installed on one side of the machine 1 and is adjacent to the side detection mechanism 4. The conveying mechanism 7 is installed on the machine 1 and runs between the back detection mechanism 2 and the front detection mechanism 3. The two-axis material picking and transferring mechanism 6 is installed on the machine 1 and runs between the front detection mechanism 3 and the side detection mechanism 4. The material receiving robot 8 is installed on the material receiving mechanism 5, and the material receiving robot 8 moves back and forth between the side detection mechanism 4 and the material receiving mechanism 5.

[0047] like Figure 2 , Figure 3As shown, the back detection mechanism 2 includes a back frame 21, a Y-axis linear module 22, a Y-axis guide rail 23, an X-axis moving frame 24, an X-axis linear module 25, a back lifting module 26, a swing frame 27, a swing motor 28, a reciprocating swing mechanism 29, a swing block 210, and a swing camera (3D camera) 211; the back frame 21 is connected across the machine platform 1, the Y-axis linear module 22 and the Y-axis guide rail 23 are both installed on the top of the back frame 21 and are arranged opposite to each other, and one side of the X-axis moving frame 24 is provided with a plurality of swivel blocks 210, and the swivel block 211 is provided with a plurality of swivel blocks 211. The back end is connected to the slider of the Y-axis linear module 22, the other end of the X-axis moving frame 24 is slidably connected to the Y-axis guide rail 23, the back lifting module 26 is fixed on the slider of the X-axis linear module 25, the swing frame 27 is installed on the slider of the back lifting module 26, the swing motor 28 is installed on the swing frame 27, and the output shaft of the swing motor 28 is connected to the swing block 210 through the reciprocating swing mechanism 29 to drive the swing block 210 to swing back and forth. The swing camera 211 is installed on the swing block 210 with the lens facing downward.

[0048] The two-axis material picking and transferring mechanism 6 includes a front translation module 61, a translation guide rail 62, a translation frame 63, and a front lifting module 64; the front translation module 61 and the translation guide rail 62 are both installed on the top of the machine 1 and are arranged opposite to each other, one side of the top of the translation frame 63 is slidably connected to the translation guide rail 62, and the other side of the top of the translation frame 63 is connected to the slider of the front translation module 61, and the front lifting module 64 is installed on the translation frame 63.

[0049] like Figure 4-Figure 6 As shown, the front detection mechanism 3 includes a flip motor 31, a flip frame 32, two flip claws 33, a front camera (not shown in the figure), a flip claw adjustment mechanism 34, and a flip motor frame 35; the flip motor frame 35 is fixed on the slider of the front lifting module 64; the flip motor 31 is installed at the lower part of the flip motor frame 35, the output shaft of the flip motor 31 is connected to the inner end of the flip frame 32, and the two flip claws 33 are installed on the flip frame 32; the front camera is installed on the top of the machine 1 and the lens faces downward. The flip claw adjustment mechanism 34 is installed on the flip frame 32;

[0050] The flip clamp adjustment mechanism 34 includes an adjustment frame 341 and two fixing screws 342. The adjustment frame 341 is provided with a long slot 3411. The two fixing screws 342 pass through the long slot 3411 of the adjustment frame 341 and are fixedly connected to the two flip clamps 33. By adjusting the spacing between the two fixing screws 342, the distance between the two flip clamps 33 can be adjusted to adapt to LED modules of different sizes.

[0051] like Figure 7-10As shown, the side detection mechanism 4 includes a side frame 41, a rotating motor 42, a rotating table 43, and two groups of side detection components 44; the lower end of the side frame 41 is fixed on the machine platform 1, the rotating motor 42 is fixed to the bottom of the cantilever of the side frame 41, the output shaft of the rotating motor 42 passes through the cantilever of the side frame 41 upward and is connected to the bottom of the rotating table 43, and the rotating table 43 is rotatably installed on the top surface of the cantilever of the side frame 41; the two groups of side detection components 44 are both installed on the machine platform 1 and are perpendicular to each other.

[0052] The side inspection component 44 includes a side inspection module 441, a camera frame 442, a side inspection camera 443, and an illumination component 444; the side inspection module 441 is installed on the machine platform 1, the lower end of the camera frame 442 is fixed on the slider of the side inspection module 441, and the side inspection camera 443 and the illumination component 444 are both installed on the upper part of the camera frame 442.

[0053] The rotating platform 43 includes a base 431 , a transverse clamping mechanism 432 , and a longitudinal clamping mechanism 433 ; the transverse clamping mechanism 432 and the longitudinal clamping mechanism 433 are both installed on the base 431 and are installed perpendicular to each other.

[0054] The transverse clamping mechanism 432 includes a transverse motor 4321, a transverse pulley group 4322, a transverse guide rail 4323, two transverse clamping blocks 4324, and two groups of transverse clamping rods 4325; the transverse guide rail 4323 is installed on the base 431, the transverse motor 4321 is installed on the base 431 and the output shaft of the transverse motor 4321 is connected to the transverse pulley group 4322, the two transverse clamping blocks 4324 are slidably connected to the transverse guide rail 4323 and are arranged opposite to each other, the two transverse clamping blocks 4324 are respectively clamped on the belts of the transverse pulley group 4322, the rotating transverse pulley group 432 can drive the two transverse clamping blocks 4324 to approach or separate from each other, and the two groups of transverse clamping rods 4325 are respectively installed on the two transverse clamping blocks 4324.

[0055] The longitudinal clamping mechanism 433 includes a longitudinal motor (not shown in the figure), a longitudinal pulley group 4332, a longitudinal guide rail 4333, two longitudinal clamping blocks 4334, and two groups of longitudinal clamping rods 4335; the longitudinal guide rail 4333 is installed on the base 431, the longitudinal motor is installed on the base 431 and the output shaft of the longitudinal motor is connected to the longitudinal pulley group 4332, the two longitudinal clamping blocks 4334 are slidably connected to the longitudinal guide rail 4333 and are arranged opposite to each other, the two longitudinal clamping blocks 4334 are respectively clamped on the belts of the longitudinal pulley group 4332, the rotating longitudinal pulley group 4332 can drive the two longitudinal clamping blocks 4334 to approach or separate from each other, and the two groups of longitudinal clamping rods 4335 are respectively installed on the two longitudinal clamping blocks 4334.

[0056] like Figure 11-13As shown, the conveying mechanism 7 includes a top conveying mechanism 71, a lifting mechanism 72, and a bottom conveying mechanism 73; the top conveying mechanism 71 is installed on the table top of the machine 1, the discharge end of the top conveying mechanism 71 is connected to the feed end of the lifting mechanism 72, and the discharge end of the lifting mechanism 72 is connected to the feed end of the bottom conveying mechanism 73.

[0057] The top conveying mechanism 71 and the bottom conveying mechanism 73 have the same structure.

[0058] The top conveying mechanism 71 includes a feeding frame 711, a feeding motor 712, a motor drive shaft 713, two feeding belts 714, two sets of feeding pulleys 715, a limit cylinder 716, and a limit plate 717; the feeding frame 711 is installed on the machine 1, the feeding motor 712 is installed on the feeding frame 711, the output shaft of the feeding motor 712 is connected to one end of the motor drive shaft 713, and the motor drive shaft 713 is rotatably installed on the feeding frame 711 and the motor drive shaft 713 is connected to two sets of feeding pulley groups 715, the two feeding belts 714 are respectively wrapped around the two sets of feeding pulley groups 715 and the two feeding belts 714 are arranged in parallel; the cylinder body of the limiting cylinder 716 is fixed to the feeding end or the discharging end of the feeding rack 711, the piston rod end of the limiting cylinder 716 is connected to the inner end of the limiting plate 717, and the outer end of the limiting plate 717 extends to the feeding end or the discharging end of the feeding rack 711.

[0059] The lifting mechanism 72 includes a lifting frame 721, a lifting motor 722, a lifting pulley group 723, a lifting screw 724, a lifting screw nut 725, a lifting platform 726, a lifting guide rail 727, and a lifting conveying mechanism 728; the lifting frame 721 is installed on the machine platform 1, the lifting motor 722 is installed on the lifting frame 721, and the output shaft of the lifting motor 722 is connected to the upper end of the lifting screw 724 through the lifting pulley group 723, the lifting screw 724 is rotatably installed vertically on the machine platform 1 and is screwed with the lifting screw nut 725, the lifting screw nut 725 is fixedly installed on one side of the lifting platform 726, the lifting platform 726 is slidably connected to the lifting guide rail 727, and the lifting guide rail 727 is vertically installed on the machine platform 1; the lifting conveying mechanism 728 is installed on the lifting platform 726, and the structure of the lifting conveying mechanism 728 is basically the same as the top conveying mechanism 71.

[0060] like Figure 14-17 As shown, the material receiving mechanism 5 includes a material receiving frame 51, a feeding mechanism 52, a discharging mechanism 53, and two sets of table positioning mechanisms 54; the feeding mechanism 52 and the discharging mechanism 53 are both installed on the material receiving frame 51 and the feeding mechanism 52 and the discharging mechanism 53 are arranged side by side, and the two sets of table positioning mechanisms 54 are both installed on the material receiving frame 51 and are respectively arranged at the feeding end of the feeding mechanism 52 and the discharging end of the discharging mechanism 53.

[0061] The feeding mechanism 52 has the same structure as the discharging mechanism 53; the feeding mechanism 52 includes a receiving roller frame 521, a receiving conveying mechanism 522, and a receiving lifting mechanism 523; the receiving roller frame 521 is installed at the bottom of one side of the receiving frame 51, and the receiving lifting mechanism 523 is installed on the other side of the receiving frame 51, and the receiving conveying mechanism 522 is installed on the receiving frame 51 and connected with the receiving roller frame 521. When the receiving lifting mechanism 523 drops to the lowest position, it is connected with the receiving conveying mechanism 522, and the material can be sent to the receiving roller frame 521 through the receiving conveying mechanism 522.

[0062] The table positioning mechanism 54 is composed of multiple positioning cylinders 541, multiple positioning plates 542, and two limit plates 543; the cylinder bodies of the multiple positioning cylinders 541 are respectively installed on the receiving frame 51 and are vertically arranged, and the multiple positioning cylinders 541 arranged perpendicularly to each other are located on both sides of the outlet of the material frame 20 of the receiving frame 51, and the positioning plates 542 are installed on the rod ends of the piston rods of the positioning cylinders 541. The two limit plates 543 are fixed on the receiving frame 51, and the two limit plates 543 are arranged perpendicularly to each other and are located on the other two sides of the outlet of the material frame 20 of the receiving frame 51 to limit the long side and wide side of the material frame 20.

[0063] The receiving roller frame 521 includes a roller motor 5211, a roller pulley set 5212, a power roller 5213, and multiple rollers (not shown in the figure); the roller motor is installed on the receiving frame, the output shaft of the roller motor 5211 is connected to one end of the power roller 5213 through the roller pulley set 5212, the power roller 5213 is rotatably installed on the receiving frame 51 and the discharge end of the power roller 5213 is connected to the receiving conveying mechanism 522, the feed end of the power roller 5213 is connected to the multiple rollers, and the multiple rollers are rotatably installed on the receiving frame 51.

[0064] The material receiving and conveying mechanism 522 includes a material receiving motor 5221, a material receiving sprocket set 5222, and a material receiving and conveying belt 5223; the material receiving motor 5221 is installed on the material receiving frame 51, and the output shaft of the material receiving motor 5221 is connected to the material receiving and conveying belt 5223 through the material receiving sprocket set 5222 to drive the material receiving and conveying belt 5223 to operate.

[0065] The material receiving lifting mechanism 523 includes a material receiving lifting module 5231, a material receiving lifting platform 5232, and a material receiving guide rail 5233; the material receiving lifting module 5231 is longitudinally installed on the material receiving frame 51, the material receiving lifting platform 5232 is vertically installed on the slider of the material receiving lifting module 5231 and the inner end of the material receiving lifting platform 5232 is slidably connected to the material receiving guide rail 5233, the material receiving lifting platform 5232 is located in the middle of the material receiving conveying mechanism 522, and the material receiving guide rail 5233 is vertically installed on the material receiving frame 51.

[0066] like Fig.18 , Fig.19 As shown, the material receiving robot 8 includes a robot 81 and a clamping mechanism 82 ; the clamping mechanism 82 is installed at the free end of the robot 81 .

[0067] The clamping mechanism 82 includes a clamping seat 821, a clamping lifting cylinder 822, a suction cup frame 823, a suction cup 824, a clamping claw cylinder 825, and two clamping claws 826; the clamping seat 821 is installed at the free end of the manipulator 81, the cylinder body of the clamping lifting cylinder 822 is fixed on the clamping seat 821, the piston rod end of the clamping lifting cylinder 822 is connected to the suction cup frame 823, the suction cup 824 is fixedly installed on the suction cup frame 823, the cylinder body of the clamping claw cylinder 825 is fixed on the clamping seat 821, and the two clamping claws 826 are respectively connected to the two piston rod ends of the clamping claw cylinder 825.

[0068] Working principle of the present invention:

[0069] like Figure 1 Combination Fig.13 As shown, the top conveying mechanism 71 of the conveying mechanism 7 sends the LED module 10 to be inspected placed in the material frame 20 to the back inspection station, and the 3D camera 211 on the back inspection mechanism 2 inspects the back of the LED module 10; after the back inspection is completed, the top conveying mechanism 71 of the conveying mechanism 7 sends the LED module 10 to the front inspection station, and the flip claw 37 in the front inspection mechanism 3 clamps the LED module 10 to separate the LED module 10 from the material frame 20, and the flip motor 35 drives the flip frame 36 to drive the LED module 10 to flip 180°, and the front camera located on the top of the machine 1 inspects the front of the LED module 10; front inspection After completion, the two-axis material picking and transferring mechanism 6 drives the flip motor frame 35 in the front detection mechanism 3 to send the LED module 10 to be detected into the side detection mechanism 4 for side detection; the LED module 10 is placed on the rotating table 43 of the side detection mechanism 4, and the transverse clamping mechanism 432 and the longitudinal clamping mechanism 433 on the rotating table 43 clamp the LED module 10, and the side inspection module 44 cooperates with the rotating table 43 to detect the four sides of the LED module 10. After the side detection is completed, the material receiving robot 8 sends the LED module 10 into the material receiving frame in the material receiving mechanism 5 for storage, and the empty material frame 20 is recovered by the lifting mechanism 72 of the conveying mechanism 7 and the bottom conveying mechanism 73.

[0070] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the specification should still fall within the scope covered by the patent of the present invention.

Claims

1. An appearance inspection device, characterized in that: It includes a machine platform, a back detection mechanism, a front detection mechanism, a side detection mechanism, a material receiving mechanism, a two-axis material picking and transferring mechanism, a transmission mechanism, and a material receiving manipulator; the back detection mechanism, the front detection mechanism, and the side detection mechanism are all installed on the machine platform, the material receiving mechanism is installed on one side of the machine platform and is adjacent to the side detection mechanism, the transmission mechanism is installed on the machine platform and runs between the back detection mechanism and the front detection mechanism, the two-axis material picking and transferring mechanism is installed on the machine platform and runs between the front detection mechanism and the side detection mechanism, the material receiving manipulator is installed on the material receiving mechanism, and the material receiving manipulator moves back and forth between the side detection mechanism and the material receiving mechanism; The back detection mechanism includes a back frame, a Y-axis linear module, a Y-axis guide rail, an X-axis moving frame, an X-axis linear module, a back lifting module, a swing frame, a swing motor, a reciprocating swing mechanism, a swing block, and a swing camera; the back frame is straddled on the machine platform, the Y-axis linear module and the Y-axis guide rail are both installed on the top of the back frame and are arranged opposite to each other, one end of the X-axis moving frame is connected to the slider of the Y-axis linear module, the other end of the X-axis moving frame is slidably connected to the Y-axis guide rail, the back lifting module is fixed on the slider of the X-axis linear module, the swing frame is installed on the slider of the back lifting module, the swing motor is installed on the swing frame, the output shaft of the swing motor is connected to the swing block through the reciprocating swing mechanism, driving the swing block to swing back and forth, and the swing camera is installed on the swing block; The two-axis material picking and transferring mechanism includes a front translation module, a translation guide rail, a translation frame, and a front lifting module; The front translation module and the translation guide rail are both installed on the top of the machine and are arranged opposite to each other. One side of the top of the translation frame is slidably connected to the translation guide rail, and the other side of the top of the translation frame is connected to the slider of the front translation module. The front lifting module is installed on the translation frame. The front detection mechanism includes a flip motor, a flip frame, a flip clamp, a front camera, and a flip motor frame; the flip motor frame is fixed on the two-axis material picking and transferring mechanism; the flip motor is installed at the lower part of the flip motor frame, the output shaft of the flip motor is connected to the inner end of the flip frame, and the flip clamp is installed on the flip frame; the front camera is installed on the top of the machine with the lens facing downward; the front detection mechanism also includes a flip clamp adjustment mechanism, which is installed on the flip frame; the flip clamp adjustment mechanism includes an adjustment frame and two fixing screws, the adjustment frame is provided with a long slot, the two fixing screws respectively pass through the long slot of the adjustment frame and are fixedly connected to the two flip clamps, and the distance between the two flip clamps can be adjusted by adjusting the spacing between the two fixing screws; The side detection mechanism comprises a side frame, a rotating motor, a rotating table, and two sets of side detection components; the lower end of the side frame is fixed on the machine table, the rotating motor is fixed on the bottom of the cantilever of the side frame, the output shaft of the rotating motor passes through the cantilever of the side frame upward and is connected to the bottom of the rotating table, and the rotating table is rotatably installed on the top surface of the cantilever of the side frame; the two sets of side detection components are both installed on the machine table and are perpendicular to each other; the rotating table in the side detection mechanism comprises a base, a transverse clamping mechanism and a longitudinal clamping mechanism; the transverse clamping mechanism and the longitudinal clamping mechanism are both installed on the base and are perpendicular to each other; The transverse clamping mechanism comprises a transverse motor, a transverse pulley group, a transverse guide rail, two transverse clamping blocks, and two groups of transverse clamping rods; the transverse guide rail is mounted on a pedestal, the transverse motor is mounted on the pedestal and the output shaft of the transverse motor is connected to the transverse pulley group, the two transverse clamping blocks are slidably connected to the transverse guide rail and are arranged opposite to each other, the two transverse clamping blocks are respectively clamped on the belts of the transverse pulley group, the rotating transverse pulley group can drive the two transverse clamping blocks to approach or separate from each other, and the two groups of transverse clamping rods are respectively mounted on the two transverse clamping blocks; The longitudinal clamping mechanism includes a longitudinal motor, a longitudinal pulley group, a longitudinal guide rail, two longitudinal clamping blocks, and two groups of longitudinal clamping rods; the longitudinal guide rail is installed on the base, the longitudinal motor is installed on the base and the output shaft of the longitudinal motor is connected to the longitudinal pulley group, the two longitudinal clamping blocks are slidably connected on the longitudinal guide rail and arranged opposite to each other, the two longitudinal clamping blocks are respectively clamped on the belt of the longitudinal pulley group, the rotating longitudinal pulley group can drive the two longitudinal clamping blocks to approach or separate from each other, and the two groups of longitudinal clamping rods are respectively installed on the two longitudinal clamping blocks; the side inspection assembly includes a side inspection module, a camera frame, a side inspection camera, and a lighting component; the side inspection module is installed on the machine platform, the lower end of the camera frame is fixed on the slider of the side inspection module, and the side inspection camera and the lighting component are both installed on the upper part of the camera frame.

2. The appearance inspection device according to claim 1, characterized in that: The transmission mechanism comprises a top conveying mechanism, a lifting mechanism, and a bottom conveying mechanism; the top conveying mechanism is installed on the table top of the machine, the discharging end of the top conveying mechanism is connected with the feeding end of the lifting mechanism, and the discharging end of the lifting mechanism is connected with the feeding end of the bottom conveying mechanism; the top conveying mechanism has the same structure as the bottom conveying mechanism, and the top conveying mechanism comprises a feeding rack, a feeding motor, a motor driving shaft, two feeding belts, two sets of feeding pulley groups, a limiting cylinder, and a limiting plate. The feeding rack is installed on the machine platform, the feeding motor is installed on the feeding rack, the output shaft of the feeding motor is connected to one end of the motor driving shaft, the motor driving shaft is rotatably installed on the feeding rack and the motor driving shaft is connected to the two sets of feeding pulley groups, the two feeding belts are respectively wound around the two sets of feeding pulley groups and the two feeding belts are parallel to the feeding rack. The lifting mechanism comprises a lifting frame, a lifting motor, a lifting pulley group, a lifting screw, a lifting screw nut, a lifting platform, a lifting guide rail, and a lifting and conveying mechanism; the lifting frame is installed on the machine platform, the lifting motor is installed on the lifting frame and the output shaft of the lifting motor is connected to the upper end of the lifting screw through the lifting pulley group, the lifting screw is rotatably installed vertically on the machine platform and is screwed with the lifting screw nut, the lifting screw nut is fixedly installed on one side of the lifting platform, the lifting platform is slidably connected to the lifting guide rail, and the lifting guide rail is vertically installed on the machine platform; the lifting and conveying mechanism is installed on the lifting platform.

3. The appearance inspection device according to claim 1, characterized in that: The receiving mechanism comprises a receiving frame, a feeding mechanism, a discharging mechanism, and two sets of table positioning mechanisms; the feeding mechanism and the discharging mechanism are both mounted on the receiving frame and the feeding mechanism and the discharging mechanism are arranged side by side, and the two sets of table positioning mechanisms are both mounted on the receiving frame and are respectively arranged at the feeding end of the feeding mechanism and the discharging end of the discharging mechanism; The feeding mechanism has the same structure as the discharging mechanism; the feeding mechanism includes a receiving roller frame, a receiving conveying mechanism, and a receiving lifting mechanism; the receiving roller frame is installed at the bottom of one side of the receiving frame, the receiving lifting mechanism is installed on the other side of the receiving frame, the receiving conveying mechanism is installed on the receiving frame and connected with the receiving roller frame, and the receiving lifting mechanism is connected with the receiving conveying mechanism when it drops to the lowest position; the table positioning mechanism is composed of multiple positioning cylinders, multiple positioning plates and two limit plates, the cylinder bodies of the multiple positioning cylinders are respectively installed on the receiving frame and vertically arranged, and the multiple positioning cylinders arranged vertically to each other are located on both sides of the outlet of the material frame of the receiving frame, and the positioning cylinders are arranged vertically. A positioning plate is installed on the rod end of the piston rod of the cylinder, and the two limit plates are fixed on the receiving frame. The two limit plates are arranged perpendicular to each other and are located on the other two sides of the material frame outlet of the receiving frame to limit the long side and wide side of the material frame; the receiving roller frame includes a roller motor, a roller pulley set, a power roller, and multiple rollers; the roller motor is installed on the receiving frame, and the output shaft of the roller motor is connected to one end of the power roller through the roller pulley set. The power roller is rotatably installed on the receiving frame and the discharge end of the power roller is connected to the receiving conveying mechanism. The feed end of the power roller is connected to multiple rollers, and the multiple rollers are rotatably installed on the receiving frame.

4. The appearance inspection device according to claim 3, characterized in that: The material receiving and conveying mechanism comprises a material receiving motor, a material receiving sprocket set, and a material receiving and conveying belt; the material receiving motor is installed on the material receiving frame, and the output shaft of the material receiving motor is connected to the material receiving and conveying belt through the material receiving sprocket set to drive the material receiving and conveying belt to run.

5. The appearance inspection device according to claim 3, characterized in that: The material receiving lifting mechanism includes a material receiving lifting module, a material receiving lifting platform, and a material receiving guide rail; the material receiving lifting module is longitudinally installed on the material receiving frame, the material receiving lifting platform is vertically installed on the slider of the material receiving lifting module and the inner end of the material receiving lifting platform is slidably connected to the material receiving guide rail, the material receiving lifting platform is located in the middle of the material receiving conveying mechanism, and the material receiving guide rail is vertically installed on the material receiving frame.

6. The appearance inspection device according to claim 1, characterized in that: The material receiving robot includes a robot and a clamping mechanism; the clamping mechanism is installed at the free end of the robot; the clamping mechanism includes a clamping seat, a clamping lifting cylinder, a suction cup frame, a suction cup, a clamping claw cylinder, and two clamps; the clamping seat is installed at the free end of the robot, the cylinder body of the clamping lifting cylinder is fixed on the clamping seat, the rod end of the piston rod of the clamping lifting cylinder is connected to the suction cup frame, the suction cup is fixedly installed on the suction cup frame, the cylinder body of the clamping claw cylinder is fixed on the clamping seat, and the two clamps are respectively connected to the two piston rod ends of the clamping claw cylinder.

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