Defect detection equipment for conductive foam

Abstract

The invention relates to the technical field of defect detection of conductive foam, and discloses defect detection equipment for conductive foam, which comprises a machine body, a workbench is fixedly mounted on the upper side of the machine body, an annular piece is arranged on the upper side of the workbench, the annular piece comprises two groups of circular pipes; a plurality of groups of detection mechanisms are fixedly mounted on the circular pipe, a height adjusting mechanism is fixedly connected to the inner side of the circular pipe, a negative pressure conveying mechanism is further arranged on the inner side of the circular pipe, and the negative pressure conveying mechanism is fixedly connected with the height adjusting mechanism; the detection mechanism comprises a gear ring piece, a driving piece, a detection assembly and a polishing assembly. The purpose that the CCD camera and the light source can freely move circularly is achieved, the shooting angle of the conductive foam can be freely adjusted according to different requirements, and the effect that the conductive foam can be freely adjusted to be subjected to multi-detection-face and multi-angle shooting is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of conductive foam defect detection, and in particular to a conductive foam defect detection device. Background Art

[0002] Visual defect inspection of conductive foam mainly detects surface flaws, dimensional deviation, glue deficiency, bubbles and other visually observable defects of conductive foam.

[0003] The current market mainly uses CCD visual inspection equipment for conductive foam visual defect detection. CCD industrial cameras are used to take pictures with the assistance of light sources to obtain images, which are then transmitted to the image processing unit for preprocessing, feature extraction, analysis, and then defect identification.

[0004] However, the CCD visual inspection equipment used for conductive foam on the market usually adopts a fixed setting of multiple sets of cameras and light sources to identify defects on different surfaces of the conductive foam. In this way, as the required inspection surface increases, additional cameras and light sources need to be added, and the settings of the inspection surface and the inspection surface angle cannot be adjusted quickly and freely. At the same time, the inspection angle is single, resulting in "blind spots" and "weak areas" in visual inspection. The light source in a fixed position cannot dynamically adjust the optimal lighting angle (such as bright field, dark field, coaxial light, low-angle light) for different defect types or different surface characteristics (such as high reflection, complex texture areas), which leads to low inspection efficiency and poor inspection effect. Summary of the Invention

[0005] The object of the present invention is to provide a defect detection device for conductive foam to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a defect detection device for conductive foam, comprising a body, a workbench fixedly installed on the upper side of the body, an annular member provided on the upper side of the workbench, the annular member comprising a circular tube, and the circular tube is provided in two groups.

[0007] A plurality of detection mechanisms are fixedly mounted on the circular tube, a height adjustment mechanism is fixedly connected to the inner side of the circular tube, and a negative pressure transmission mechanism is also provided on the inner side of the circular tube, and the negative pressure transmission mechanism is fixedly connected to the height adjustment mechanism.

[0008] The detection mechanism includes a gear ring, a driving member, a detection assembly, and a polishing assembly. Multiple groups of gear rings are fixedly installed on the circular tube. The outer side of the gear ring is engaged with a driving member. The driving member is fixedly connected to the detection assembly near the inner side of the circular tube. The detection assembly is fixedly connected to the polishing assembly near the inner side of the circular tube.

[0009] The two groups of negative pressure transmission mechanisms and height adjustment mechanisms are arranged in an inverted symmetrical manner. Through the cooperation of the driving component, detection component, and lighting component, the conductive foam can be subjected to freely adjustable multi-angle visual defect detection.

[0010] Furthermore, the annular member also includes a pipe connecting nut, a pipe connecting nut, a slider 1, a slider 2, and a locking screw. A pipe connecting nut is sleeved on the outer side of one end of the circular tube of one group, and a pipe connecting nut is fixedly connected to one end of the circular tube of another group. The pipe connecting nut and the pipe connecting nut are threadedly connected. Sliders 1 and 2 are fixedly connected to the lower side of the circular tube. The workbench is provided with sliding grooves corresponding to sliders 1 and 2. A locking screw is threadedly connected to slider 1, and the locking screw is used to lock slider 1.

[0011] The two sets of ring parts are slid and installed in the slide groove on the workbench through the slider 1 and the slider 2, and then the pipe connecting nuts on the two circular tubes are connected with the pipe connecting nuts. By rotating the pipe connecting nuts, the pipe connecting nuts are screwed into the pipe connecting nuts, thereby achieving the purpose of quickly connecting the two sets of ring parts into one.

[0012] The staff twists the locking screws on the two sets of sliders. Through the threaded connection, the locking screws are continuously screwed downward until the sliders are locked, thereby achieving the purpose of locking the two sets of ring parts on the workbench.

[0013] Furthermore, the height adjustment mechanism includes a base, an adjustment rod, a motor five, a cross bar, and a threaded rod two. The base is fixedly connected to the inner side of the circular tube, and two groups of adjustment rods are slidably connected to the inner side of the base. The two groups of adjustment rods are fixedly connected through a cross bar. The base is fixedly connected to the motor five, and the output end of the motor five is fixedly connected to the threaded rod two, and the threaded rod two is threadedly connected to the cross bar.

[0014] Start the two sets of motors 5, and the motors 5 drive the threaded rod 2 to rotate. When the threaded rod 2 rotates, it drives the cross bar and the adjustment rod to slide in the base slide, thereby driving the two sets of negative pressure conveyor belts to move closer to or away from each other. The distance between the two sets of negative pressure conveyor belts at the intersection corresponds to the thickness of the conductive foam.

[0015] Furthermore, the negative pressure transmission mechanism includes a transmission component and a negative pressure component. The transmission component is fixedly connected between the two groups of adjustment rods, and the negative pressure component is fixedly installed on the transmission component.

[0016] The transmission assembly includes a fourth motor, a second pulley, a second belt, a transmission body, a negative pressure conveyor belt, and a rotating roller. The transmission body is fixedly connected between the two groups of adjusting rods. One side of the transmission body is fixedly connected to the fourth motor through a bracket. Both ends of the transmission body are rotatably connected to the rotating roller. The output end of the fourth motor and one end of the rotating roller are fixedly connected to the second pulley. The two groups of the second pulleys are driven by the second belt. The outer side of the rotating roller is connected to the negative pressure conveyor belt, and the negative pressure conveyor belt is provided with evenly distributed through holes.

[0017] Furthermore, the negative pressure component includes an air chamber, an air box, a connecting pipe, and an exhaust fan. The inner side of the conveying body is fixedly connected to the air chamber. The air chamber is in the shape of a rectangular box, and the interior is divided into two sections by a partition. The upper and lower sides of the air chamber are provided with evenly distributed circular holes corresponding to the negative pressure conveyor belt. One end of the two sections is connected to the air box through a short tube. The outside of the air box is connected to a connecting pipe. The other end of the connecting pipe is connected to the exhaust fan, and the exhaust fan is used to exhaust air from the connecting pipe.

[0018] The conductive foam to be visually inspected is connected to a set of negative pressure conveying mechanisms through an external feeding mechanism, and the conductive foam is placed on the negative pressure conveyor belt. Motor four is started, and motor four drives the rotating roller to rotate through pulley two and belt two, thereby driving the negative pressure conveyor belt to rotate synchronously, thereby transporting the conductive foam. At the same time, the exhaust fan is started to exhaust air in the connecting pipe. Since the connecting pipe is connected to the air chamber through the air box and the short pipe, and the air chamber is divided into two sections by a partition, corresponding to the upper and lower sides of the negative pressure conveyor belt, the circular hole opened on the air chamber corresponds to the through hole on the negative pressure conveyor belt, so that when the exhaust fan is exhausting air, the air chamber generates negative pressure suction on the upper and lower sides of the negative pressure conveyor belt through the circular hole, thereby firmly sucking the transported conductive foam to prevent it from moving or falling and affecting the inspection effect.

[0019] Furthermore, the gear ring component includes an outer gear ring and a connecting plate, the circular tube is composed of multiple sections of pipes, and the outer gear ring and the connecting plate are fixedly installed between adjacent pipes, and the outer gear ring and the connecting plate are fixedly connected.

[0020] Furthermore, the driving component includes a motor 1, a fixed plate, a gear, and a roller. The outer side of the outer gear ring is meshed with a gear, and the inner side of the outer gear ring is provided with an annular groove. The roller rolls in the annular groove. One end of the roller is rotatably connected to the fixed plate. The side of the fixed plate away from the center of the outer gear ring is fixedly connected to the motor 1 through a bracket, and the output end of the motor 1 is fixedly connected to the gear.

[0021] Furthermore, the detection component includes motor 2, threaded rod 1, a mounting plate, a sliding plate, and a CCD camera. The mounting plate is fixedly connected to the fixed plate, and the side of the mounting plate close to motor 1 is fixedly connected to motor 2 through a bracket. The output end of motor 2 is fixedly connected to threaded rod 1, and the sliding plate is slidably connected to the mounting plate through a guide rail. The CCD camera is fixedly connected to the sliding plate, and the sliding plate is threadedly connected to threaded rod 1.

[0022] For conductive foams of different sizes and shapes, by starting motor 2, motor 2 drives threaded rod 1 to rotate. Since threaded rod 1 is threadedly connected to the sliding plate, it drives the sliding plate and the CCD camera to slide on the mounting plate, thereby driving the CCD camera close to or away from the conductive foam to achieve the closest shooting distance.

[0023] Furthermore, the lighting assembly includes a connecting plate, a light source, a support plate, a motor three, a pulley one, a belt one, a gear one, and a gear two. The mounting plate is fixedly connected to a connecting plate on one side near the center of the outer gear ring, and two groups of light sources are rotatably connected to the inner side of the connecting plate. One side of the connecting plate is fixedly connected to a support plate, and the support plate is fixedly connected to a motor three. One side of the connecting plate is rotatably connected to a rotating shaft, and the outer side of the rotating shaft and the output end of the motor three are both fixedly connected to pulley one. The two groups of pulleys one are connected by a belt one transmission, and the end of the rotating shaft away from the pulley one is fixedly connected to gear one, and the outer side of the gear one is meshed with gear two, the pulley one on the output end of the motor three is fixedly connected to one group of the light sources, and the gear two is fixedly connected to the other group of the light sources.

[0024] At the same time, according to the size of the detection surface of the photographed conductive foam, motor three is started, and motor three drives gear one to rotate through pulley one and belt one. Then gear one engages to drive gear two to rotate, and then synchronously drives the two groups of light sources to rotate inward or outward, and then according to the size of the detection surface of the conductive foam, the lighting range is adaptively controlled to improve the lighting effect.

[0025] When the conductive foam passes through the first group of detection mechanisms, since one group of detection mechanisms is equipped with two groups of driving parts, detection components, and lighting components, by starting motor one, motor one drives the gear to rotate, so that the gear engages with the tooth groove on the outside of the outer gear ring while rotating. Under the auxiliary guiding action of the roller, the driving part, detection component, and lighting component are driven to make a circular motion along the outer gear ring, so that the CCD camera and light source are driven to the position corresponding to the side of the conductive foam. A group of CCD cameras and light sources take the side image of the conductive foam, and then the defects on the side of the conductive foam and the thickness of the conductive foam can be identified.

[0026] Compared with the prior art, the present invention provides a conductive foam defect detection device with the following beneficial effects: 1. The defect detection equipment for conductive foam realizes the purpose of quickly assembling two sets of detection mechanisms into one through the cooperation between the workbench, the ring part and the gear ring part. The various components thereon can be quickly disassembled and replaced, which is convenient for later maintenance.

[0027] 2. The defect detection equipment for conductive foam realizes the purpose of free circular motion of CCD camera and light source through the cooperation between the ring part, detection mechanism, negative pressure transmission mechanism and height adjustment mechanism, so that the shooting angle of the conductive foam can be freely adjusted according to different needs, achieving the effect of freely adjustable multi-detection surface and multi-angle shooting of the conductive foam, improving the detection efficiency and detection quality. At the same time, it automatically adjusts the spacing between the two sets of negative pressure conveyor belts according to the thickness of the conductive foam, so as to achieve the purpose of seamless connection and adsorption, and detection without dead angles. In addition, the lighting range can be adaptively controlled according to the size of the detection surface of the conductive foam to improve the lighting effect, solving the problems of low detection efficiency and poor detection effect of existing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 Schematic diagram of the three-dimensional structure of the workbench of the present invention; Figure 3 This is a schematic diagram of the three-dimensional structure of the two groups of annular members combined in the present invention; Figure 4 This is a schematic diagram of the cutaway three-dimensional structure of two groups of annular members of the present invention; Figure 5 This is a schematic diagram of the exploded three-dimensional structure of two groups of ring members of the present invention; Figure 6 Schematic diagram of the three-dimensional structure of the negative pressure transmission mechanism of the present invention; Figure 7 This is a schematic diagram of the exploded three-dimensional structure of the negative pressure transmission mechanism of the present invention; Figure 8 For the present invention Figure 7 A magnified schematic diagram of point A in the middle; Figure 9 Schematic diagram of the three-dimensional structure of the detection mechanism of the present invention; Figure 10 A schematic diagram of the three-dimensional structure of the detection mechanism of the present invention from another angle; Figure 11 Schematic diagram of the three-dimensional structure of the driving component and the detection assembly of the present invention; Figure 12 This is a schematic diagram of the three-dimensional structure of the driving member and the detection assembly of the present invention from another angle; Figure 13 For the present invention Figure 12Enlarged schematic diagram of point B in the middle.

[0029] In the figure: 1. Machine body; 2. Workbench; 3. Ring member; 31. Round tube; 32. Pipe joint nut; 33. Pipe joint nut; 34. Slider 1; 35. Slider 2; 36. Locking screw; 4. Detection mechanism; 41. Gear ring member; 411. Outer gear ring; 412. Connecting plate; 42. Driving member; 421. Motor 1; 422. Fixing plate; 423. Gear; 424. Roller; 43. Detection assembly; 431. Motor 2; 432. Threaded rod 1; 433. Mounting plate; 434. Sliding plate; 435. CCD camera; 44. Lighting assembly; 441. Connecting plate; 442 , light source; 443, support plate; 444, motor three; 445, pulley one; 446, belt one; 447, gear one; 448, gear two; 5, negative pressure transmission mechanism; 51, transmission component; 511, motor four; 512, pulley two; 513, belt two; 514, transmission body; 515, negative pressure conveyor belt; 516, rotating roller; 52, negative pressure component; 521, air chamber; 522, air box; 523, connecting pipe; 524, exhaust fan; 6, height adjustment mechanism; 61, base; 62, adjustment rod; 63, motor five; 64, cross bar; 65, threaded rod two. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] For examples, see Figures 1-13 A defect detection device for conductive foam includes a body 1, a workbench 2 is fixedly installed on the upper side of the body 1, an annular member 3 is provided on the upper side of the workbench 2, the annular member 3 includes a circular tube 31, and the circular tube 31 is provided in two groups.

[0032] Multiple detection mechanisms 4 are fixedly installed on the circular tube 31 , a height adjustment mechanism 6 is fixedly connected to the inner side of the circular tube 31 , and a negative pressure transmission mechanism 5 is also provided on the inner side of the circular tube 31 , and the negative pressure transmission mechanism 5 and the height adjustment mechanism 6 are fixedly connected.

[0033] The detection mechanism 4 includes a gear ring part 41, a driving part 42, a detection component 43, and a polishing component 44. Multiple groups of gear ring parts 41 are fixedly installed on the circular tube 31. The outer side of the gear ring part 41 is engaged with the driving part 42. The driving part 42 is fixedly connected to the detection component 43 near the inner side of the circular tube 31. The detection component 43 is fixedly connected to the polishing component 44 near the inner side of the circular tube 31.

[0034] The two sets of negative pressure transmission mechanisms 5 and height adjustment mechanisms 6 are arranged in an inverted symmetrical manner. Through the cooperation of the driving component 42, the detection component 43, and the lighting component 44, the conductive foam can be subjected to freely adjustable multi-angle visual defect detection.

[0035] Furthermore, the annular member 3 also includes a pipe connecting nut 32, a pipe connecting nut 33, a slider 1 34, a slider 2 35, and a locking screw 36. A pipe connecting nut 32 is sleeved on the outer side of one end of a group of circular tubes 31, and a pipe connecting nut 33 is fixedly connected to one end of the other group of circular tubes 31. The pipe connecting nut 32 and the pipe connecting nut 33 are threadedly connected. The lower side of the circular tube 31 is fixedly connected with a slider 1 34 and a slider 2 35. The workbench 2 is provided with a sliding groove corresponding to the slider 1 34 and the slider 2 35. The slider 1 34 is threadedly connected with a locking screw 36, and the locking screw 36 is used to lock the slider 1 34.

[0036] The two sets of ring parts 3 are slidably installed in the slide groove on the workbench 2 through the slider 1 34 and the slider 2 35, and then the pipe connecting nuts 32 on the two circular tubes 31 are connected with the pipe connecting nuts 33. By rotating the pipe connecting nuts 32, the pipe connecting nuts 32 are screwed into the pipe connecting nuts 33, thereby achieving the purpose of quickly connecting the two sets of ring parts 3 into one.

[0037] The staff twists the locking screws 36 on the two sets of sliders 34. Through the threaded connection, the locking screws 36 are continuously screwed downward until the sliders 34 are locked, thereby achieving the purpose of locking the two sets of ring parts 3 on the workbench 2.

[0038] Furthermore, the height adjustment mechanism 6 includes a base 61, an adjusting rod 62, a motor five 63, a cross bar 64, and a threaded rod two 65. The base 61 is fixedly connected to the inner side of the circular tube 31, and two groups of adjusting rods 62 are slidably connected to the inner side of the base 61. The two groups of adjusting rods 62 are fixedly connected by a cross bar 64. The motor five 63 is fixedly connected to the base 61, and the output end of the motor five 63 is fixedly connected to the threaded rod two 65. The threaded rod two 65 is threadedly connected to the cross bar 64.

[0039] Start the two sets of motors 5 63, and the motors 5 63 drive the threaded rod 2 65 to rotate. When the threaded rod 2 65 rotates, it drives the cross bar 64 and the adjustment rod 62 to slide in the slide groove of the base 61, thereby driving the two sets of negative pressure conveyor belts 515 to move closer to or away from each other. The distance between the two sets of negative pressure conveyor belts 515 at the intersection corresponds to the thickness of the conductive foam.

[0040] Furthermore, the negative pressure transmission mechanism 5 includes a transmission component 51 and a negative pressure component 52 . The transmission component 51 is fixedly connected between the two groups of adjustment rods 62 , and the negative pressure component 52 is fixedly mounted on the transmission component 51 .

[0041] The transmission component 51 includes a motor four 511, a pulley two 512, a belt two 513, a transmission body 514, a negative pressure conveyor belt 515, and a rotating roller 516. The transmission body 514 is fixedly connected between the two groups of adjusting rods 62. One side of the transmission body 514 is fixedly connected to the motor four 511 through a bracket. Both ends of the transmission body 514 are rotatably connected to the rotating roller 516. The output end of the motor four 511 and one end of the rotating roller 516 are fixedly connected to the pulley two 512. The two groups of pulleys two 512 are driven by the belt two 513. The outer side of the rotating roller 516 is connected to the negative pressure conveyor belt 515, and the negative pressure conveyor belt 515 is provided with evenly distributed through holes.

[0042] Furthermore, the negative pressure component 52 includes an air chamber 521, an air box 522, a connecting pipe 523, and an exhaust fan 524. The air chamber 521 is fixedly connected to the inner side of the conveying body 514. The air chamber 521 is in the shape of a rectangular box, and the interior is divided into two sections by a partition. The upper and lower sides of the air chamber 521 are provided with evenly distributed circular holes corresponding to the negative pressure conveyor belt 515. One end of the two sections is connected to the air box 522 through a short tube, and the outside of the air box 522 is connected to the connecting pipe 523. The other end of the connecting pipe 523 is connected to the exhaust fan 524, and the exhaust fan 524 is used to exhaust the connecting pipe 523.

[0043] The conductive foam to be visually inspected is connected to a negative pressure conveying mechanism 5 through an external feeding mechanism, and the conductive foam is placed on the negative pressure conveyor belt 515. The motor 4 511 is started, and the motor 4 511 drives the rotating roller 516 to rotate through the pulley 2 512 and the belt 2 513, thereby driving the negative pressure conveyor belt 515 to rotate synchronously, thereby transporting the conductive foam. At the same time, the exhaust fan 524 is started, and the exhaust fan 524 exhausts air in the connecting pipe 523. Since the connecting pipe 5 23 is connected to the air chamber 521 through the air box 522 and the short tube, and the air chamber 521 is divided into two sections by a partition corresponding to the upper and lower surfaces of the negative pressure conveyor belt 515. The circular hole opened on the air chamber 521 corresponds to the through hole on the negative pressure conveyor belt 515, so that when the exhaust fan 524 is exhausting air, the air chamber 521 generates negative pressure suction on the upper and lower surfaces of the negative pressure conveyor belt 515 through the circular hole, thereby firmly sucking the transported conductive foam to prevent it from moving or falling and affecting the detection effect.

[0044] Furthermore, the gear ring member 41 includes an outer gear ring 411 and a connecting plate 412. The circular tube 31 is composed of multiple sections of pipes. The outer gear ring 411 and the connecting plate 412 are fixedly installed between adjacent pipes. The outer gear ring 411 and the connecting plate 412 are fixedly connected.

[0045] Furthermore, the driving member 42 includes a motor 421, a fixed plate 422, a gear 423, and a roller 424. The outer side of the outer gear ring 411 is meshed with the gear 423, and the inner side of the outer gear ring 411 is provided with an annular groove. The roller 424 rolls in the annular groove. One end of the roller 424 is rotatably connected to the fixed plate 422. The side of the fixed plate 422 away from the center of the outer gear ring 411 is fixedly connected to the motor 421 through a bracket. The output end of the motor 421 is fixedly connected to the gear 423.

[0046] Furthermore, the detection component 43 includes a motor 2 431, a threaded rod 1 432, a mounting plate 433, a sliding plate 434, and a CCD camera 435. The mounting plate 433 is fixedly connected to the fixed plate 422. The side of the mounting plate 433 close to the motor 1 421 is fixedly connected to the motor 2 431 through a bracket. The output end of the motor 2 431 is fixedly connected to the threaded rod 1 432. The sliding plate 434 is slidably connected to the mounting plate 433 through a guide rail. The CCD camera 435 is fixedly connected to the sliding plate 434. The sliding plate 434 is threadedly connected to the threaded rod 1 432.

[0047] For conductive foams of different sizes and shapes, by starting motor 2 431, motor 2 431 drives threaded rod 1 432 to rotate. Since threaded rod 1 432 is threadedly connected to sliding plate 434, sliding plate 434 and CCD camera 435 are driven to slide on mounting plate 433, thereby driving CCD camera 435 close to or away from the conductive foam to achieve the closest shooting distance.

[0048] Furthermore, the lighting assembly 44 includes a connecting plate 441, a light source 442, a support plate 443, a motor 3 444, a pulley 1 445, a belt 1 446, a gear 1 447, and a gear 2 448. The mounting plate 433 is fixedly connected to the connecting plate 441 on one side near the center of the outer gear ring 411. The inner side of the connecting plate 441 is rotatably connected to two groups of light sources 442. One side of the connecting plate 441 is fixedly connected to the support plate 443. The motor 3 444 is fixedly connected to the support plate 443. The connecting plate 441 is fixedly connected to the motor 3 444. One side of the rotating shaft is rotatably connected to the rotating shaft, and the outer side of the rotating shaft and the output end of the motor three 444 are fixedly connected to the pulley one 445, and the two sets of pulleys 445 are connected by a belt one 446. The end of the rotating shaft away from the pulley one 445 is fixedly connected to the gear one 447, and the outer side of the gear one 447 is meshed with the gear two 448. The pulley one 445 on the output end of the motor three 444 is fixedly connected to one group of light sources 442, and the gear two 448 is fixedly connected to the other group of light sources 442.

[0049] At the same time, according to the size of the detection surface of the photographed conductive foam, motor three 444 is started, and motor three 444 drives gear one 447 to rotate through pulley one 445 and belt one 446. Then gear one 447 engages to drive gear two 448 to rotate, and then synchronously drives the two groups of light sources 442 to rotate inward or outward, and then according to the size of the detection surface of the conductive foam, the lighting range is adaptively controlled to improve the lighting effect.

[0050] When the conductive foam passes through the first group of detection mechanisms 4, since one group of detection mechanisms 4 is equipped with two groups of driving parts 42, detection components 43, and lighting components 44, by starting motor 1 421, motor 1 421 drives gear 423 to rotate, so that gear 423 engages with the tooth groove on the outside of the outer gear ring 411 while rotating. Under the auxiliary guiding action of the roller 424, the driving part 42, detection component 43, and lighting component 44 are driven to make a circular motion along the outer gear ring 411, so that the CCD camera 435 and the light source 442 are driven to the position corresponding to the side of the conductive foam. A group of CCD cameras 435 and light sources 442 take a side image of the conductive foam, and then the defects on the side of the conductive foam and the thickness of the conductive foam can be identified.

[0051] The specific usage and function of this embodiment.

[0052] When in use, first place the device in a dark environment, slide the two sets of ring parts 3 into the slide groove on the workbench 2 through the slider 1 34 and the slider 2 35, then make the pipe connecting nuts 32 on the two circular tubes 31 connect with the pipe connecting nuts 33, and by rotating the pipe connecting nuts 32, the pipe connecting nuts 32 are screwed into the pipe connecting nuts 33, thereby achieving the purpose of quickly connecting the two sets of ring parts 3 into one.

[0053] At this time, the staff twists the locking screws 36 on the two sets of sliders 34. Through the threaded connection, the locking screws 36 are continuously screwed downward until the sliders 34 are locked, thereby achieving the purpose of locking the two sets of ring parts 3 on the workbench 2.

[0054] The conductive foam to be visually inspected is connected to a negative pressure conveying mechanism 5 through an external feeding mechanism, and the conductive foam is placed on the negative pressure conveyor belt 515. The motor 4 511 is started, and the motor 4 511 drives the rotating roller 516 to rotate through the pulley 2 512 and the belt 2 513, thereby driving the negative pressure conveyor belt 515 to rotate synchronously, thereby transporting the conductive foam. At the same time, the exhaust fan 524 is started, and the exhaust fan 524 exhausts air in the connecting pipe 523. Since the connecting pipe 5 23 is connected to the air chamber 521 through the air box 522 and the short tube, and the air chamber 521 is divided into two sections by a partition corresponding to the upper and lower surfaces of the negative pressure conveyor belt 515. The circular hole opened on the air chamber 521 corresponds to the through hole on the negative pressure conveyor belt 515, so that when the exhaust fan 524 is exhausting air, the air chamber 521 generates negative pressure suction on the upper and lower surfaces of the negative pressure conveyor belt 515 through the circular hole, thereby firmly sucking the transported conductive foam to prevent it from moving or falling and affecting the detection effect.

[0055] When the conductive foam passes through the first group of detection mechanisms 4, since one group of detection mechanisms 4 is equipped with two groups of driving parts 42, detection components 43, and lighting components 44, by starting motor 1 421, motor 1 421 drives gear 423 to rotate, so that gear 423 engages with the tooth groove on the outside of the outer gear ring 411 while rotating. Under the auxiliary guiding action of the roller 424, the driving part 42, detection component 43, and lighting component 44 are driven to make a circular motion along the outer gear ring 411, so that the CCD camera 435 and the light source 442 are driven to the position corresponding to the side of the conductive foam. A group of CCD cameras 435 and light sources 442 take a side image of the conductive foam, and then the defects on the side of the conductive foam and the thickness of the conductive foam can be identified.

[0056] The thickness of the conductive foam is transmitted to an external control system, so that the external system starts two sets of motors 5 63 according to the thickness. The motors 5 63 drive the threaded rod 2 65 to rotate. When the threaded rod 2 65 rotates, it drives the cross bar 64 and the adjustment rod 62 to slide in the slide groove of the base 61, thereby driving the two sets of negative pressure conveyor belts 515 to move closer to or away from each other. The distance between the two sets of negative pressure conveyor belts 515 at the intersection corresponds to the thickness of the conductive foam.

[0057] For conductive foams of different sizes and shapes, by starting motor 2 431, motor 2 431 drives threaded rod 1 432 to rotate. Since threaded rod 1 432 is threadedly connected to sliding plate 434, sliding plate 434 and CCD camera 435 are driven to slide on mounting plate 433, thereby driving CCD camera 435 close to or away from the conductive foam to achieve the closest shooting distance.

[0058] At the same time, according to the size of the detection surface of the photographed conductive foam, motor three 444 is started, and motor three 444 drives gear one 447 to rotate through pulley one 445 and belt one 446. Then gear one 447 engages to drive gear two 448 to rotate, and then synchronously drives the two groups of light sources 442 to rotate inward or outward, and then according to the size of the detection surface of the conductive foam, the lighting range is adaptively controlled to improve the lighting effect.

[0059] By using multiple groups of CCD cameras 435 and light sources 442 that can automatically rotate in a circle, the conductive foam can be freely adjusted to multiple detection surfaces and multiple detection angles to meet different detection requirements.

[0060] At the same time, when the conductive foam is transported to the area where it intersects with another set of negative pressure conveyor belts 515, the suction force of the negative pressure conveyor belt 515 on the upper side is controlled to increase, thereby adsorbing the conductive foam, and then the conductive foam is tested again, so that there is no blind spot in the detection.

[0061] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A defect detection device for conductive foam, comprising a body (1), a workbench (2) fixedly mounted on the upper side of the body (1), characterized in that: An annular member (3) is provided on the upper side of the workbench (2), wherein the annular member (3) comprises a circular tube (31), and the circular tube (31) is provided in two groups; A plurality of detection mechanisms (4) are fixedly mounted on the circular tube (31), a height adjustment mechanism (6) is fixedly connected to the inner side of the circular tube (31), and a negative pressure transmission mechanism (5) is also provided on the inner side of the circular tube (31), and the negative pressure transmission mechanism (5) and the height adjustment mechanism (6) are fixedly connected; The detection mechanism (4) includes a gear ring member (41), a driving member (42), a detection assembly (43), and a lighting assembly (44); a plurality of gear ring members (41) are fixedly mounted on the circular tube (31); the outer side of the gear ring member (41) is meshed with a driving member (42); the driving member (42) is fixedly connected to the inner side of the circular tube (31) with a detection assembly (43); the detection assembly (43) includes a second motor (431), a first threaded rod (432), a mounting plate (433), a sliding plate (434), and a CCD camera (435); the detection assembly (43) is fixedly connected to the inner side of the circular tube (31) with a lighting assembly (44); The two groups of negative pressure transmission mechanisms (5) and height adjustment mechanisms (6) are arranged in an inverted symmetrical manner, and through the cooperation of the driving member (42), the detection component (43), and the lighting component (44), the conductive foam is subjected to a freely adjustable multi-angle visual defect detection.

2. The conductive foam defect detection device according to claim 1, characterized in that: The annular member (3) further comprises a pipe connection nut (32), a pipe connection nut (33), a slider 1 (34), a slider 2 (35), and a locking screw (36). One end of one group of the circular tubes (31) is sleeved with a pipe connection nut (32), and one end of the other group of the circular tubes (31) is fixedly connected with a pipe connection nut (33). The pipe connection nut (32) and the pipe connection nut (33) are threadedly connected. The lower side of the circular tube (31) is fixedly connected with a slider 1 (34) and a slider 2 (35). The workbench (2) is provided with a sliding groove corresponding to the slider 1 (34) and the slider 2 (35). The slider 1 (34) is threadedly connected with a locking screw (36). The locking screw (36) is used to lock the slider 1 (34).

3. The conductive foam defect detection device according to claim 2, characterized in that: The height adjustment mechanism (6) comprises a base (61), an adjustment rod (62), a motor five (63), a cross bar (64), and a threaded rod two (65). The inner side of the circular tube (31) is fixedly connected to the base (61). Two groups of adjustment rods (62) are slidably connected to the inner side of the base (61). The two groups of adjustment rods (62) are fixedly connected via the cross bar (64). The base (61) is fixedly connected to the motor five (63). The output end of the motor five (63) is fixedly connected to the threaded rod two (65). The threaded rod two (65) is threadedly connected to the cross bar (64).

4. The conductive foam defect detection device according to claim 3, characterized in that: The negative pressure transmission mechanism (5) comprises a transmission component (51) and a negative pressure component (52); the transmission component (51) is fixedly connected between the two sets of adjustment rods (62); and the negative pressure component (52) is fixedly mounted on the transmission component (51); The transmission assembly (51) includes a fourth motor (511), a second pulley (512), a second belt (513), a transmission body (514), a negative pressure conveyor belt (515), and a rotating roller (516). The transmission body (514) is fixedly connected between the two groups of the adjusting rods (62). One side of the transmission body (514) is fixedly connected to the fourth motor (511) through a bracket. Both ends of the transmission body (514) are rotatably connected to the rotating roller (516). The output end of the fourth motor (511) and one end of the rotating roller (516) are fixedly connected to the second pulley (512). The two groups of the second pulleys (512) are driven by the second belt (513). The outer side of the rotating roller (516) is connected to the negative pressure conveyor belt (515). The negative pressure conveyor belt (515) is provided with evenly distributed through holes.

5. The conductive foam defect detection device according to claim 4, characterized in that: The negative pressure assembly (52) includes an air chamber (521), an air box (522), a connecting pipe (523), and an exhaust fan (524). The air chamber (521) is fixedly connected to the inner side of the conveying body (514). The air chamber (521) is in the shape of a rectangular box, and the interior is divided into two sections by a partition. The upper and lower sides of the air chamber (521) are provided with evenly distributed circular holes corresponding to the negative pressure conveyor belt (515). One end of the two sections is connected to the air box (522) through a short pipe. The outer side of the air box (522) is connected to the connecting pipe (523). The other end of the connecting pipe (523) is connected to the exhaust fan (524). The exhaust fan (524) is used to exhaust air from the connecting pipe (523).

6. The conductive foam defect detection device according to claim 1, characterized in that: The gear ring member (41) comprises an outer gear ring (411) and a connecting plate (412); the circular tube (31) is composed of multiple sections of pipes; outer gear rings (411) and connecting plates (412) are fixedly installed between adjacent pipes; the outer gear ring (411) and the connecting plate (412) are fixedly connected.

7. The conductive foam defect detection device according to claim 6, characterized in that: The driving member (42) includes a motor (421), a fixed plate (422), a gear (423), and a roller (424). The outer side of the outer gear ring (411) is meshed with the gear (423). The inner side of the outer gear ring (411) is provided with an annular groove. The roller (424) rolls in the annular groove. One end of the roller (424) is rotatably connected to the fixed plate (422). The side of the fixed plate (422) away from the center of the outer gear ring (411) is fixedly connected to the motor (421) through a bracket. The output end of the motor (421) is fixedly connected to the gear (423).

8. The conductive foam defect detection device according to claim 7, characterized in that: The fixing plate (422) is fixedly connected to a mounting plate (433), a side of the mounting plate (433) close to the motor 1 (421) is fixedly connected to the motor 2 (431) via a bracket, an output end of the motor 2 (431) is fixedly connected to the threaded rod 1 (432), a sliding plate (434) is slidably connected to the mounting plate (433) via a guide rail, a CCD camera (435) is fixedly connected to the sliding plate (434), and the sliding plate (434) is threadedly connected to the threaded rod 1 (432).

9. The conductive foam defect detection device according to claim 8, characterized in that: The lighting assembly (44) includes a connecting plate (441), a light source (442), a support plate (443), a motor three (444), a pulley one (445), a belt one (446), a gear one (447), and a gear two (448). The mounting plate (433) is fixedly connected to the connecting plate (441) on one side near the center of the outer gear ring (411). The inner side of the connecting plate (441) is rotatably connected to two groups of light sources (442). One side of the connecting plate (441) is fixedly connected to the support plate (443). The support plate (443) is fixedly connected to the motor three (444). The connecting plate (44 1) is rotatably connected to a rotating shaft on one side, and the outer side of the rotating shaft and the output end of the motor three (444) are fixedly connected to a pulley one (445), and the two groups of pulleys one (445) are connected by a belt one (446). The end of the rotating shaft away from the pulley one (445) is fixedly connected to a gear one (447), and the outer side of the gear one (447) is meshed with a gear two (448). The pulley one (445) on the output end of the motor three (444) is fixedly connected to one group of the light sources (442), and the gear two (448) is fixedly connected to the other group of the light sources (442).

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