CN210294107U - Circuit board defect detection device - Google Patents

Circuit board defect detection device Download PDF

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Publication number
CN210294107U
CN210294107U CN201920402837.7U CN201920402837U CN210294107U CN 210294107 U CN210294107 U CN 210294107U CN 201920402837 U CN201920402837 U CN 201920402837U CN 210294107 U CN210294107 U CN 210294107U
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China
Prior art keywords
circuit board
driving
camera
vacuum chuck
conveying belt
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Active
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CN201920402837.7U
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Chinese (zh)
Inventor
纪其乐
原进良
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Optima Optics Technology Shenzhen Co ltd
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Optima Optics Technology Shenzhen Co ltd
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Priority to CN201920402837.7U priority Critical patent/CN210294107U/en
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Abstract

The utility model provides a circuit board defect detecting device, which comprises a frame, camera mechanism, control mechanism, conveying platform and adsorption apparatus construct, camera mechanism includes camera and first actuating mechanism, conveying platform includes conveyer belt and second actuating mechanism, the conveyer belt sets up the bottom side of camera, first actuating mechanism can order about the camera and remove along mutually perpendicular's both directions on the plane that is on a parallel with the conveyer belt, second actuating mechanism can drive the conveyer belt and order about the discharge side removal of waiting to examine the feeding side of circuit board from the frame, adsorption apparatus constructs including vacuum chuck, vacuum chuck sets up in the surrounding cavity of conveyer belt, and the bleeder vent of accessible conveyer belt and external air intercommunication. The utility model discloses a two processes before the conveyer belt links up, back will wait to examine the circuit board and adsorb in shooting the region through vacuum chuck to solved circuit board defect detection device effectively and needed artifical or manipulator to transport the circuit board and produce the problem that the vibration influences the image definition easily.

Description

Circuit board defect detection device
Technical Field
The utility model belongs to the technical field of circuit board check out test set, more specifically say, relate to a circuit board defect detecting device.
Background
Due to the manufacturing process, during the production of circuit boards, it is inevitable to have, for example: the defects such as short circuit, convex copper, open circuit and the like can be repaired through equipment such as a laser cutter, a repair welding machine and the like, so that the defect points on the circuit board need to be accurately found out in the production process.
Circuit board defect detection device in market generally is the mode of snatching the transport through manual work or manipulator, will wait to examine the circuit board and place on circuit board defect detection device's workstation, mechanism of making a video recording through predetermineeing program control circuit board defect detection device scans the shooting to the surface of circuit board after that, nevertheless can produce mechanical vibration at the in-process that the mechanism of making a video recording removed, lead to placing the circuit board on the workstation and take place slight rocking, because the defect of circuit board often all is very tiny, slight rocking will influence the definition of taking the image, lead to the unable true and false of distinguishing the defect of technical staff, the precision and the efficiency that detect have been influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board defect detecting device, including but not limited to solve circuit board defect detecting device and need artifical or the manipulator transport the circuit board and produce the technical problem that the vibration influences the image definition easily.
In order to solve the technical problem, the embodiment of the utility model provides a circuit board defect detecting device, including the frame, set up in the mechanism of making a video recording at frame top, and set up in control mechanism in the frame, the mechanism of making a video recording includes camera and a drive mechanism, the camera with a drive mechanism respectively with the control mechanism electricity is connected, and circuit board defect detecting device still includes:
the conveying platform is arranged at the top of the rack and comprises a conveying belt and a second driving mechanism, the conveying belt is arranged at the bottom side of the camera and extends from the feeding side of the rack to the discharging side of the rack, the second driving mechanism is electrically connected with the control mechanism, the first driving mechanism can drive the camera to move on a plane parallel to the conveying belt along two mutually vertical directions, the second driving mechanism can drive the conveying belt to drive the circuit board to be detected to move from the feeding side to the discharging side, and a plurality of air holes are formed in the conveying belt; and
the adsorption mechanism, set up in the top of frame, adsorption mechanism includes the vacuum chuck that accessible trachea and outside evacuating device are connected, vacuum chuck set up in the surrounding cavity of conveyer belt, and the accessible bleeder vent communicates with external air.
Further, the adsorption mechanism further includes:
and the fourth driving component is electrically connected with the control mechanism and can drive the vacuum chuck to swing up and down or lift.
Optionally, a connecting shaft is disposed on an edge of the vacuum chuck, and the fourth driving assembly includes:
one end of the second bracket is fixedly connected with the rack, and the other end of the second bracket is hinged with the connecting shaft; and
and the fourth driving part is electrically connected with the control mechanism and can drive the vacuum chuck to swing up and down around the connecting shaft.
Optionally, the fourth drive assembly comprises:
the guide post is arranged beside the conveying belt; and
and the fourth driving part is electrically connected with the control mechanism and can drive the vacuum chuck to ascend or descend along the guide post.
Further, the control mechanism includes:
the control host is internally provided with an artificial intelligence processing system; and
and the display is electrically connected with the control host.
Further, the first drive mechanism includes:
the first guide rail is erected on the top side of the conveying belt;
the second guide rail is arranged beside the conveying belt and is vertical to the first guide rail;
the first driving assembly is electrically connected with the control host and can drive the camera to reciprocate along the first guide rail; and
and the second driving assembly is electrically connected with the control host and can drive the first guide rail to reciprocate along the second guide rail.
Further, the circuit board defect detecting apparatus further includes:
and the repairing assembly is arranged beside the camera, is electrically connected with the control host and can reciprocate along the first guide rail under the driving of the first driving assembly.
Optionally, the repair assembly comprises at least one of a laser cutter, a high speed rotating doctor blade, and a repair welder.
Further, the second driving mechanism includes:
the two roll shafts are respectively arranged on two opposite sides of the vacuum chuck and penetrate through the surrounding cavity of the conveying belt to tighten the conveying belt; and
and the third driving assembly is electrically connected with the control host and can drive the roll shaft to rotate.
Further, the circuit board defect detecting apparatus further includes:
and the position sensor is arranged beside the conveying belt and is electrically connected with the control host.
The utility model provides a circuit board defect detecting device's beneficial effect lies in: adopted adsorption apparatus to construct and the cooperation of conveying platform, before linking up through the conveyer belt, two back processes, need not to realize waiting to examine the transporting of circuit board with the help of manual work or manipulator, first actuating mechanism and second actuating mechanism mutual independence, can avoid producing vibration interference each other effectively, and will examine through vacuum chuck and examine the circuit board and adsorb in shooting the region, can prevent effectively that it rocks to examine the circuit board at the shooting in-process production, thereby it needs manual work or manipulator to transport the circuit board and produce the technical problem that the image definition is influenced in the vibration easily to have solved circuit board defect detection device effectively, the stability and the reliability that the circuit board transported have been promoted, the precision and the efficiency that circuit board defect detected have been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic perspective view of a circuit board defect detection apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a circuit board defect detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic partial cross-sectional view of a conveying platform in the circuit board defect detecting apparatus according to an embodiment of the present invention;
fig. 4 is a schematic partial cross-sectional view of a conveying platform in a circuit board defect detecting apparatus according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the device comprises a circuit board defect detection device, a frame 10, an adsorption mechanism 50, a repair assembly 60, a position sensor 70, a camera 21, a first driving mechanism 22, a control host 31, a display 32, a conveying belt 41, a second driving mechanism 42, a vacuum chuck 51, a fourth driving assembly 52, a first guide rail 221, a second guide rail 222, a first driving assembly 223, a second driving assembly 224, an air hole 410, a roller shaft 421, a third driving assembly 422, an air suction port 510, a lug 511, a guide column 521, a first synchronous belt 2231, a first driving part 2232, a second synchronous wheel 2241, a second synchronous belt 2242, a second driving part 2243, a third synchronous wheel 4221, a third synchronous wheel 4222, a third synchronous belt 4223 and a third driving part.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1 to fig. 3, a circuit board defect detecting apparatus according to the present invention will now be described. The circuit board defect detection device 1 comprises a frame 10, a camera shooting mechanism, a control mechanism, a conveying platform and an adsorption mechanism 50, wherein the control mechanism is arranged on the frame 10 and used for controlling the camera shooting mechanism and the conveying platform to operate according to a preset program, the camera shooting mechanism is arranged at the top of the frame 10 and used for scanning and shooting a circuit board to be detected so as to acquire image information of the surface of the circuit board to be detected, the camera shooting mechanism comprises a camera 21 and a first driving mechanism 22, the camera 21 and the first driving mechanism 22 are respectively and electrically connected with the control mechanism, the conveying platform is arranged at the top of the frame 10 and used for being linked with a front process and a rear process so as to convey the circuit board to be detected, the conveying platform comprises a conveying belt 41 and a second driving mechanism 42, the conveying belt 41 is arranged at the bottom side of the camera 21, and the conveying belt 41 extends to the discharge side of, the second driving mechanism 42 is electrically connected to the control mechanism, the first driving mechanism 22 can drive the camera 21 to move along two directions perpendicular to each other on a plane parallel to the conveying belt 41, the second driving mechanism 42 can drive the conveying belt 41 to drive the circuit board to be inspected to move from the feeding side of the rack 10 to the discharging side of the rack 10, and a plurality of air holes 410 are opened on the conveying belt 41, the adsorption mechanism 50 is arranged on the top of the rack 10 and is used for fixing the circuit board to be inspected on the conveying belt 41, and the adsorption mechanism comprises a vacuum chuck 51, the vacuum chuck 51 can be connected with an external vacuum device through an air pipe, where the external vacuum device refers to a vacuum device arranged outside the circuit board defect detection device 1, and is respectively connected with the vacuum chuck 51 and the control mechanism only through the air pipe and an electromagnetic valve, and the vacuum chuck 51 is arranged in the surrounding cavity of the conveying belt 41, the air holes 410 can be communicated with the outside air, that is, the air suction port 510 of the vacuum chuck 51 is in contact with the inner surface of the top of the conveyer belt 41, the air is drawn out through the air holes 410 on the conveyer belt 41, and then a negative pressure area is formed on the top surface of the conveyer belt 41, so that the circuit board to be detected is adsorbed on the top surface of the conveyer belt 41.
It is understood that the conveying belt 41 is a belt, a rubber belt, a fabric belt, or the like, which has certain elasticity and can play a role of buffering and damping vibration, and slight vibration caused by the first driving mechanism 22 and the second driving mechanism 42 can be absorbed by the conveying belt 41; the control mechanism can be a programmable logic controller or a computer commonly used in the field and is used for controlling the camera mechanism, the conveying platform, the external vacuum-pumping device and the like to operate according to a preset program; the vacuum chuck 51 may be provided with an air suction hole on the side wall or the bottom wall, and the vacuum chuck 51 is connected with the air pipe through the air suction hole.
When the device is used, the circuit board defect detection device 1 is assembled on an automatic circuit board repair production line, the two opposite ends of the conveying belt 41 are connected with the conveying belts of the front and the back processes, the circuit board to be detected is firstly conveyed to the top surface of the conveying belt 41 from the feeding side of the rack 10, then the control mechanism controls the second driving mechanism 42 to drive the conveying belt 41 to convey the circuit board to be detected into a shooting area (namely the top side of the vacuum chuck 51), then the control mechanism closes the second driving mechanism 42 and starts the external vacuumizing device, at the moment, the vacuum chuck 51 transmits suction force through the air holes 410 on the conveying belt 41 to fix the circuit board to be detected in the shooting area, then the control mechanism controls the first driving mechanism 22 to drive the camera 21 to move along the X direction and the Y direction which are mutually vertical, the surface of the circuit board to be detected is scanned and shot line by line, and then the camera, the control mechanism compares and analyzes the image information through system software loaded in the control mechanism, finally confirms the defect point on the circuit board to be detected and records the position coordinate of the defect point; the control mechanism then turns off the first driving mechanism 22 and the external vacuum device, and then controls the second driving mechanism 42 to drive the conveyor belt 41 to feed the detected circuit board from the discharge side of the rack 10 into the subsequent process.
The utility model provides a circuit board defect detection device 1, adsorption mechanism 50 and conveying platform cooperation have been adopted, before linking up through conveyer belt 41, two back processes, need not to realize waiting to examine the transportation of examining the circuit board with the help of manual work or manipulator, first actuating mechanism 22 and second actuating mechanism 42 mutual independence, can avoid producing the vibration interference each other effectively, and will wait to examine the circuit board through vacuum chuck 51 and adsorb in shooting the region, can prevent effectively that it rocks to examine the circuit board and produce in the shooting process, thereby it needs manual work or manipulator to transport the circuit board and produce the technical problem that the image definition is influenced in the vibration easily to have solved circuit board defect detection device effectively, the stability and the reliability that the circuit board transported have been promoted, circuit board defect detection's precision and efficiency have been improved.
Further, referring to fig. 2 to 4, as a specific embodiment of the circuit board defect detecting device provided by the present invention, the adsorbing mechanism 50 further includes a fourth driving component 52, and the fourth driving component 52 is electrically connected to the control mechanism, and can drive the vacuum chuck 51 to swing up and down or lift. Specifically, when the circuit board to be inspected is transported to the top side of the vacuum chuck 51, the control mechanism can control the fourth driving assembly 52 to drive the vacuum chuck 51 to swing upward or ascend integrally and make the suction port 510 of the vacuum chuck 51 abut against the inner surface of the top of the conveyer belt 41, so as to ensure that when the external vacuum-pumping device is started, the vacuum chuck 51 transmits suction force through the air holes 410 on the conveyer belt 41 to fix the circuit board to be inspected on the top surface of the conveyer belt 41, after the circuit board is detected for defects, the control mechanism can control the fourth driving assembly 52 to drive the vacuum chuck 51 to swing downward or descend as a whole, so that the suction port 510 is separated from the inner surface of the conveying belt 41, and a certain gap is kept between the vacuum suction cup 51 and the conveyer belt 41, which is beneficial to reducing the running resistance of the conveyer belt 41 and avoiding the abrasion caused by the contact between the vacuum suction cup 51 and the conveyer belt 41.
Optionally, please refer to fig. 2, as a specific embodiment of the circuit board defect detecting apparatus provided in the present invention, a connecting shaft (not labeled) is disposed on an edge of the vacuum chuck 51, the fourth driving component 52 includes a second bracket and a fourth driving component (not shown), wherein one end of the second bracket is fastened to the frame 10, the other end of the second bracket is hinged to the connecting shaft, and the fourth driving component is electrically connected to the control mechanism, so that the vacuum chuck 51 can swing up and down around the connecting shaft. Specifically, the vacuum chuck 51 includes a first edge, a second edge, a third edge and a fourth edge connected in sequence, a first end of the second edge is opposite to a first end of the fourth edge, a second end of the second edge is opposite to a second end of the fourth edge, two opposite ends of the first edge are adjacent to the first end of the second edge and the first end of the fourth edge respectively, two opposite ends of the third edge are adjacent to the second end of the second edge and the second end of the fourth edge respectively, a connecting shaft is convexly disposed on the first end of the second edge and the first end of the fourth edge respectively, the fourth driving assembly 52 includes two second brackets, the two connecting shafts are hinged to the two second brackets respectively through two bearings, the fourth driving member is preferably a telescopic cylinder, the fourth driving member is disposed at a bottom side of the vacuum chuck 51 and close to one side of the third edge, the piston rod of fourth drive piece and vacuum chuck 51's bottom or third edge fastening connection, when this piston rod stretches out, can push up vacuum chuck 51 and wind connecting axle luffing motion, when this piston rod contracts, can pull vacuum chuck 51 and wind connecting axle luffing motion downwards, so fourth drive subassembly 52 can order about vacuum chuck 51 luffing motion, is favorable to improving the stability of vacuum chuck 51 operation. Of course, according to specific situations and requirements, in other embodiments of the present invention, the fourth driving member may also be a screw rod lifter or a hydraulic cylinder, etc., which is not limited herein.
Optionally, referring to fig. 4, as a specific embodiment of the circuit board defect detecting apparatus provided by the present invention, the fourth driving assembly 52 includes a guiding post 521 and a fourth driving member (not shown), wherein the guiding post 521 is disposed at the side of the conveying belt 41, and the fourth driving member is electrically connected to the control mechanism, so as to drive the vacuum chuck 51 to ascend or descend along the guiding post 521. Specifically, the fourth driving member is preferably a telescopic cylinder, and the fourth driving member is disposed beside the conveyor belt 41, the vacuum chuck 51 is slidably connected to the guiding column 521 through a lug 511 protruding out of the surrounding cavity of the conveyor belt 41, the lug 511 is protruded on the edge of the vacuum chuck 51 and is tightly connected to the piston rod of the fourth driving member, so that the guiding column 521 can play a role in guiding the vacuum chuck 51 to move and preventing the vacuum chuck 51 from shaking during the process that the fourth driving member drives the vacuum chuck 51 to move up and down, which is beneficial to improving the running stability of the vacuum chuck 51.
Further, referring to fig. 1, as a specific implementation manner of the circuit board defect detecting device provided by the present invention, the control mechanism includes a control host 31 and a display 32, wherein the control host 31 is loaded with an artificial intelligence processing system, and the display 32 is electrically connected to the control host 31. At present, automatic optical inspection equipment (AOI) on the market generally automatically scans a circuit board to be inspected through a camera, acquires a surface image of the circuit board to be inspected, compares the image with qualified parameters in an equipment database, inspects defects on the circuit board to be inspected, but cannot distinguish false defects caused by copper surface oxidation, dust, copper wire corner design, actual etching errors and the like, can only display the defects through a display for technical staff to recheck, manually filters the false defects one by one, and further confirms real defects such as short circuit, convex copper, lack of welding and the like; the circuit board defect detection device 1 provided by the utility model adopts an Artificial Intelligence (AI) processing system with a deep learning function, can filter false defects caused by copper surface oxidation, dust and the like in real time according to image data acquired by the camera 21 in real time, retains true defects, does not need manual reinspection, reduces the cost of workers, and greatly improves the precision and efficiency of circuit board defect detection; the display 32 is provided with a touch screen, so that detection images and results can be displayed, technicians can control the control host 31 in real time, and the use experience effect of users is effectively improved.
Further, please refer to fig. 1 and fig. 2, as a specific embodiment of the circuit board defect detecting apparatus provided in the present invention, the first driving mechanism 22 includes a first guide rail 221, a second guide rail 222, a first driving assembly 223 and a second driving assembly 224, wherein the first guide rail 221 is installed on the top side of the conveying belt 41, the second guide rail 222 is installed on the side of the conveying belt 41, the second guide rail 222 is perpendicular to the first guide rail 221, the first driving assembly 223 is electrically connected to the control host 31, and can drive the camera 21 to reciprocate along the first guide rail 221, the second driving assembly 224 is electrically connected to the control host 31, and can drive the first guide rail 221 to reciprocate along the second guide rail 222. Specifically, the first driving assembly 223 may include a first synchronizing wheel, a first synchronizing belt 2231 and a first driving member 2232, the first driving member 2232 is preferably a servo motor, and the first driving member is disposed at one end of the first guide rail 221, the first driving member 2232 may be in transmission connection with the camera head 21 through two first synchronizing wheels and one first synchronizing belt 2231, the camera head 21 may be in sliding connection with the first guide rail 221 through a first slider, where the first slider is fixedly connected with the first synchronizing belt 2231, the second driving assembly 224 may include a second synchronizing wheel 2241, a second synchronizing belt 2242 and a second driving member 2243, the second driving member 2243 is preferably a servo motor, and the second driving member is disposed at one end of the second guide rail 222, the second driving member 2243 may be in transmission connection with the first guide rail 221 through two second synchronizing wheels 2241 and one second synchronizing belt 2242, the first guide rail 221 is in transmission connection with the conveying belt 221 disposed in parallel with the conveying belt 41 through two first brackets disposed at opposite ends thereof Two second guide rails 222 are connected in a sliding manner, a first driving member is arranged on one of the first brackets, and the first bracket is fixedly connected with a second synchronous belt 2242, so that the camera 21 can reciprocate along the extending direction of the first guide rail 221 and the extending direction of the second guide rail 222 which are perpendicular to each other, and the surface of the circuit board to be detected is scanned and shot line by line to complete defect detection. Of course, according to specific situations and requirements, in other embodiments of the present invention, the first driving assembly 223 and the second driving assembly 224 may respectively include a stepping motor, a lead screw, and the like, which is not limited herein.
Further, please refer to fig. 1, as a specific implementation manner of the circuit board defect detecting apparatus provided by the present invention, the circuit board defect detecting apparatus 1 further includes a repairing assembly 60, the repairing assembly 60 is disposed at the side of the camera 21, and the repairing assembly 60 is electrically connected to the host computer 31, and can reciprocate along the first guide rail 221 under the driving of the first driving assembly 223. Specifically, the repairing assembly 60 can be slidably connected to the first guiding rail 221 through the first sliding block or the third sliding block, and when the repairing assembly 60 is slidably connected to the first guiding rail 221 through the third sliding block, the third sliding block is tightly connected to the first synchronous belt 2231. Under the drive of first drive assembly 223 like this, repair subassembly 60 can follow first guide rail 221 reciprocating motion with camera 21 synchronous to the defect point that artificial intelligence processing system judged is restoreed, and simultaneously, the technical staff can see the image that camera 21 transmitted through display 32, knows the prosthetic process in real time, is favorable to in time adjusting device parameter, has ensured the prosthetic qualification rate of circuit board. Of course, according to specific situations and requirements, in other embodiments of the present invention, the repair assembly 60 and the camera 21 may be integrated into a single device, which is not limited herein.
Optionally, as a specific implementation manner of the circuit board defect detecting device provided by the present invention, the repairing assembly 60 may include at least one of a laser cutting machine, a high-speed rotating scraper, and a repair welding machine, so as to repair different defect types.
Optionally, as the utility model provides a circuit board defect detecting device's a specific implementation way, repair subassembly 60 still includes electron microscope (not mark), and electron microscope can further enlarge the image of waiting to repair the defect point on the circuit board, is favorable to the technical staff to see the image of defect point more clearly, and then more accurately and in time adjustment device parameter, has ensured the prosthetic qualification rate of circuit board.
Further, please refer to fig. 1 to fig. 3, as a specific embodiment of the circuit board defect detecting apparatus provided by the present invention, the second driving mechanism 42 includes two rollers 421 and a third driving component 422, wherein the two rollers 421 are respectively disposed at two opposite sides of the vacuum chuck 51, and the two rollers 421 are disposed in the surrounding cavity of the conveying belt 41 for tightening the conveying belt 41, and the third driving component is electrically connected to the control host 21, so as to drive the rollers 421 to rotate. Specifically, the opposite ends of the roller shafts 421 are rotatably connected to the frame 10 through a shaft bracket, the third driving assembly 422 includes a third synchronizing wheel 4221, a third synchronizing belt 4222 and a third driving member 4223, the third driving member 4223 is preferably a stepping motor, the third driving member 4223 is disposed on the frame 10, one third synchronizing wheel 4221 is respectively and fixedly connected to one end of each of the two roller shafts 421, and the third driving member 4223 is in transmission connection with the two third synchronizing wheels 4221 through the third synchronizing belt 4222, so that the third driving assembly 422 drives the conveyer belt 41 to drive the circuit board to be inspected to move from the feeding side of the frame 10 to the discharging side of the frame 10 through the two roller shafts 421. Of course, in other embodiments of the present invention, the third driving member 4223 may be a rotary cylinder or a hydraulic motor, etc., which are not limited herein.
Further, referring to fig. 1, as a specific embodiment of the circuit board defect detecting device provided by the present invention, the circuit board defect detecting device 1 further includes a position sensor 70, the position sensor 70 is disposed beside the conveying belt 41, and the position sensor 70 is electrically connected to the control host 31. Specifically, the position sensor 70 is disposed on the first support of the first guide rail 221, and the sensing surface of the position sensor faces the top surface of the conveying belt 41, so that the position sensor 70 can detect whether the circuit board to be detected reaches the shooting area, and can detect the relative position of the first guide rail 221 and the circuit board to be detected, thereby feeding back the position information of the circuit board to be detected and the first guide rail 221 to the host controller 31 in the detection process, so that the host controller 31 can accurately control the operation of the camera 21, the first driving member 2232, the second driving member 2243, the third driving member 4223, the fourth driving member and the external vacuum extractor, and further, the whole detection process is automated.
The above are merely examples of the present invention and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. Circuit board defect detection device, including the frame, set up in the mechanism of making a video recording at frame top, and set up in control mechanism in the frame, the mechanism of making a video recording includes camera and first actuating mechanism, the camera with first actuating mechanism respectively with the control mechanism electricity is connected, its characterized in that, circuit board defect detection device still includes:
the conveying platform is arranged at the top of the rack and comprises a conveying belt and a second driving mechanism, the conveying belt is arranged at the bottom side of the camera and extends from the feeding side of the rack to the discharging side of the rack, the second driving mechanism is electrically connected with the control mechanism, the first driving mechanism can drive the camera to move on a plane parallel to the conveying belt along two mutually vertical directions, the second driving mechanism can drive the conveying belt to drive the circuit board to be detected to move from the feeding side to the discharging side, and a plurality of air holes are formed in the conveying belt; and
the adsorption mechanism, set up in the top of frame, adsorption mechanism includes the vacuum chuck that accessible trachea and outside evacuating device are connected, vacuum chuck set up in the surrounding cavity of conveyer belt, and the accessible bleeder vent communicates with external air.
2. The circuit board defect detecting apparatus of claim 1, wherein the suction mechanism further comprises:
and the fourth driving component is electrically connected with the control mechanism and can drive the vacuum chuck to swing up and down or lift.
3. The apparatus of claim 2, wherein a connection shaft is protruded from an edge of the vacuum chuck, and the fourth driving assembly comprises:
one end of the second bracket is fixedly connected with the rack, and the other end of the second bracket is hinged with the connecting shaft; and
and the fourth driving part is electrically connected with the control mechanism and can drive the vacuum chuck to swing up and down around the connecting shaft.
4. The circuit board defect detecting apparatus of claim 2, wherein the fourth driving assembly comprises:
the guide post is arranged beside the conveying belt; and
and the fourth driving part is electrically connected with the control mechanism and can drive the vacuum chuck to ascend or descend along the guide post.
5. The circuit board defect detecting apparatus of any one of claims 1 to 4, wherein the control mechanism comprises:
the control host is internally provided with an artificial intelligence processing system; and
and the display is electrically connected with the control host.
6. The circuit board defect detecting apparatus of claim 5, wherein the first driving mechanism comprises:
the first guide rail is erected on the top side of the conveying belt;
the second guide rail is arranged beside the conveying belt and is vertical to the first guide rail;
the first driving assembly is electrically connected with the control host and can drive the camera to reciprocate along the first guide rail; and
and the second driving assembly is electrically connected with the control host and can drive the first guide rail to reciprocate along the second guide rail.
7. The circuit board defect detecting apparatus of claim 6, further comprising:
and the repairing assembly is arranged beside the camera, is electrically connected with the control host and can reciprocate along the first guide rail under the driving of the first driving assembly.
8. The circuit board defect detecting apparatus of claim 7, wherein the repair assembly comprises at least one of a laser cutter, a high speed rotary doctor blade, and a repair welder.
9. The circuit board defect detecting apparatus of claim 5, wherein the second driving mechanism comprises:
the two roll shafts are respectively arranged on two opposite sides of the vacuum chuck and penetrate through the surrounding cavity of the conveying belt to tighten the conveying belt; and
and the third driving assembly is electrically connected with the control host and can drive the roll shaft to rotate.
10. The circuit board defect detecting apparatus of claim 5, further comprising:
and the position sensor is arranged beside the conveying belt and is electrically connected with the control host.
CN201920402837.7U 2019-03-27 2019-03-27 Circuit board defect detection device Active CN210294107U (en)

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CN113203751A (en) * 2020-12-16 2021-08-03 格创东智(深圳)科技有限公司 Detection machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112248534A (en) * 2020-10-26 2021-01-22 武汉靡尚包装有限公司 Full-automatic accurate positioning and cementing system and cementing method for inner box and outer packaging paper
CN113203751A (en) * 2020-12-16 2021-08-03 格创东智(深圳)科技有限公司 Detection machine

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