CN216747455U - Mainboard defect visual inspection device - Google Patents
Mainboard defect visual inspection device Download PDFInfo
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- CN216747455U CN216747455U CN202123114805.3U CN202123114805U CN216747455U CN 216747455 U CN216747455 U CN 216747455U CN 202123114805 U CN202123114805 U CN 202123114805U CN 216747455 U CN216747455 U CN 216747455U
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Abstract
In order to solve the not good problem of electronic chip quality in reducing the product, the utility model provides a mainboard defect visual detection device, include: the image acquisition device, the image processing device, the rejecting device, the controller and the alarm device are used for placing an electronic chip to be detected on a conveyor belt, conveying the electronic chip to be detected to the image acquisition device for photographing image acquisition, reading an image of the electronic chip to be detected in an image acquisition sheet by the image processor, comparing the image of the electronic chip to be detected with an image model of a standard electronic chip to be detected to judge whether the electronic chip is qualified or not, if the electronic chip is unqualified, marking the image of the electronic chip of the unqualified electronic chip to be detected with red color by the image processor and displaying the image on a display, controlling the alarm device to alarm by the controller, controlling the rejecting device by the controller to reject the unqualified electronic chip, well detecting the defects of the passing electronic chip, and being simple in structure and high in automation degree.
Description
Technical Field
The utility model relates to a visual test technical field, it is more specific, involve a mainboard defect visual detection device.
Background
Tin beads or tin dross is easily generated in the automatic welding process of the electronic chip, and the main reasons for the occurrence of the tin dross or the tin dross may be as follows: the solder is completely evaporated before the heat source is removed, so that the solder has extremely poor fluidity, adheres to the soldering iron head, forms a tip, a column or a short soldering condition along with the extraction of the soldering iron, or causes the solder liquid to splash from the soldering iron head by accident, and adheres to a board or a component after being cooled; the soldering iron head is not placed on a part to be soldered for preheating, the soldering tin wire is firstly melted and then placed on a position to be soldered, and the soldering tin is splashed due to large temperature difference, so that tin beads are formed; the existence of tin beads or tin slag has great potential harm to the safety of products; different industry standards have different requirements on tin balls, so that correction measures must be taken to avoid the phenomenon, how to reduce the problem of poor quality of electronic chips in products and improve the quality of electronic chip production and shipment, so that the reliability of more customers is obtained, and the method becomes a main target of circuit board manufacturing and competition.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the not good problem of electronic chip quality in reducing the product, the utility model provides a mainboard defect visual detection device, include: the device comprises an image acquisition device, an image processing device, an eliminating device, a controller and an alarm, wherein the image acquisition device comprises a light source, a camera and an image acquisition sheet, and a lens of the camera faces towards an electronic chip to be detected passing through; the image processing device comprises an image processor and a display, the controller is electrically connected with the image processor, and the alarm is electrically connected with the controller; the electronic chip to be detected is placed on the conveyor belt and conveyed to the image acquisition device for image acquisition by photographing, the image processor reads an image of the electronic chip to be detected in the image acquisition sheet and compares the image of the electronic chip to be detected with an image model of a standard electronic chip to be detected to judge whether the electronic chip is qualified or not, if the electronic chip is unqualified, the image processor marks the image of the electronic chip of the unqualified electronic chip to be detected with red color and displays the image on the display, the controller controls the alarm to give an alarm, and the controller controls the rejection device to reject the unqualified electronic chip.
A visual inspection device for defects in a motherboard, comprising: organism 1, conveyer belt 2, mounting bracket 3, image acquisition device 4, image processing device 5, removing devices 6, controller 8 and alarm 9, its characterized in that: the machine body 1 is provided with a conveyor belt 2, mounting frames 3 are arranged on two sides of the conveyor belt 2, the image acquisition device 4, the image processing device 5, the removing device 6, the controller 8 and the alarm 9 are located on the mounting frames 3, the mounting frames 3 are of a hollow structure, the image acquisition device 4 comprises a light source 41, a camera 42 and an image acquisition sheet 47, the light source 41 is fixed inside the mounting frames 3 through a light source fixing frame 43, the camera 42 is arranged on the upper portion of the light source 41 and fixed on the light source fixing frame 43 through one end of the camera fixing frame 45, the other end of the camera fixing frame 45 is fixed on the mounting frames 3, and a lens of the camera 42 faces towards an electronic chip to be detected passing through; the image acquisition sheet 47 is positioned above the camera 42; the image processing device 5 comprises an image processor 51 and a display 52, the controller 8 is electrically connected with the image processor 51, the display 52 and the rejecting device 6, and the alarm 9 is electrically connected with the controller 8; the removing device 6 is located at the rear part of the image collecting device 4 and is fixedly connected to the mounting frame 3, a plurality of first waist-shaped holes 44 are formed in the light source fixing frame 43 at the joint of the light source fixing frame 43 and the camera fixing frame 45, and fine adjustment of the position of the light source 41 is carried out through the loosening of screws and the matching of the first waist-shaped holes 44.
As an optimal technical scheme of the utility model, camera mount 45 of the junction of camera mount 45 and mounting bracket 3 is equipped with a plurality of second waist type holes 46, carries out the fine setting of position to camera 42 through the not hard up of screw and the cooperation in second waist type hole 46.
As a preferred technical solution of the present invention, the number of the light sources 41 and the number of the cameras 42 are matched, and one light source 41 corresponds to one camera 42.
As a preferred technical scheme of the utility model, removing devices 6 includes first cylinder 61, second cylinder 62, first separation blade 63, second separation blade 64 and third separation blade 65, first separation blade 63 is connected to first cylinder 61, second separation blade 64 is connected to second cylinder 62, first separation blade 63 and second separation blade 64 are parallel to each other and are located the outside of the electronic chip that awaits measuring respectively, the third separation blade is located the middle part of the back tip of mounting bracket 3 and with mounting bracket 3 fixed connection, first separation blade 63 and second separation blade 64 push away unqualified electronic chip to the centre of conveyer belt 2 under the cooperation through first cylinder 61 and second cylinder 62, the third separation blade blocks unqualified chip for unqualified chip can not be along with conveyer belt 2 motion, artifical unqualified chip rejection afterwards.
Further, the distance between the first blocking piece 63 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the distance between the second blocking piece 64 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the distance between the third blocking piece 65 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the convex shape of the third blocking piece 65 is formed, the distance between the non-protruding part and the upper end of the conveyor belt 2 is larger than the height of the electronic chip to be detected, it is guaranteed that the qualified electronic chip can pass through from the non-protruding part, the protruding part is located in the middle of the upper end of the conveyor belt 2, the width of the protruding part is larger than the width of the electronic chip, and the unqualified electronic chip blocked by the first blocking piece 63 and the second blocking piece 64 is blocked.
As a preferred technical scheme of the utility model, the both sides of mounting bracket 3 still are equipped with sensor 7, detect the electronic chip that awaits measuring through sensor 7 and have reachd the 4 lower parts of image acquisition device, and sensor 7 is connected with 8 electricity of controller, starts image acquisition device 4 through controller 8 and shoots the collection image.
As an optimized technical solution of the present invention, the image processor 51 has an image detection module, an image management module and a display module, the image detection module is used for reading the electronic chip image in the image acquisition sheet 47, the standard electronic chip image is stored in the image management module, and the display module is connected to the display 52.
As an optimized technical solution of the present invention, the controller 8 is a PLC programmable controller.
As an optimized technical solution of the present invention, the light source 41 is an LED bar light source.
The utility model has the advantages that: the utility model provides a mainboard defect visual inspection device, it can utilize two cameras 42 to carry out the shooting to conveyer belt 2 through the electronic chip, and store the electronic chip image after the shooting in image acquisition piece 47, image processor 51 compares this electronic chip image with standard electronic chip image model, in order to judge whether qualified electronic chip, if the electronic chip is unqualified, image processor 51 marks the electronic chip image of unqualified electronic chip red back and shows on display 52, and control alarm 9 through controller 8 and report to the police, controller 8 still controls rejection device 6 realizes the rejection to unqualified electronic chip, mainboard defect visual inspection device can detect the defect of electronic chip betterly, and when detecting unqualified electronic chip, can realize the rejection to unqualified electronic chip, and remind operating personnel to handle in time through alarm 9, therefore, the problem of complaints caused by delivery of unqualified electronic chips can be effectively avoided, the structure is simple, and the automation degree is high.
Drawings
Fig. 1 is the structure schematic diagram of the main board defect visual inspection device of the present invention.
Fig. 2 is the structure schematic diagram of the main board defect visual inspection device of the present invention.
Fig. 3 is the utility model discloses a mainboard defect visual inspection device's image acquisition device schematic structure.
Fig. 4 is the utility model discloses a mainboard defect visual inspection device's image acquisition device schematic structure.
Fig. 5 is the utility model discloses a mainboard defect visual inspection device's removing devices schematic structure.
Description of the main elements
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| Conveyor belt | 2 |
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4 |
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41 |
| Camera with a camera module | 42 |
| Light |
43 |
| First waist-shaped hole | 44 |
| Camera fixing frame | 45 |
| Second waist- |
46 |
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47 |
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5 |
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51 |
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52 |
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6 |
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61 |
| The |
62 |
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63 |
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64 |
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65 |
| Sensor with a sensor element | 7 |
| Controller | 8 |
| Alarm device | 9 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
As shown in fig. 1, it is a schematic structural diagram of the main board defect vision inspection apparatus of the present invention; as shown in fig. 2, it is a schematic structural diagram of the main board defect vision inspection apparatus of the present invention; as shown in fig. 3, it is a schematic structural diagram of an image acquisition device of the main board defect vision inspection device of the present invention; as shown in fig. 4, it is a schematic structural diagram of an image acquisition device of the main board defect vision inspection device of the present invention; as shown in fig. 5, it is the structure diagram of the removing device of the main board defect vision inspection device of the present invention.
A visual inspection device for defects in a motherboard, comprising: organism 1, conveyer belt 2, mounting bracket 3, image acquisition device 4, image processing device 5, removing devices 6, controller 8 and alarm 9, its characterized in that: the machine body 1 is provided with a conveyor belt 2, mounting frames 3 are arranged on two sides of the conveyor belt 2, the image acquisition device 4, the image processing device 5, the removing device 6, the controller 8 and the alarm 9 are located on the mounting frames 3, the mounting frames 3 are of a hollow structure, the image acquisition device 4 comprises a light source 41, a camera 42 and an image acquisition sheet 47, the light source 41 is fixed inside the mounting frames 3 through a light source fixing frame 43, the camera 42 is arranged on the upper portion of the light source 41 and fixed on the light source fixing frame 43 through one end of the camera fixing frame 45, the other end of the camera fixing frame 45 is fixed on the mounting frames 3, and a lens of the camera 42 faces towards an electronic chip to be detected passing through; the image acquisition sheet 47 is positioned above the camera 42; the image processing device 5 comprises an image processor 51 and a display 52, the controller 8 is electrically connected with the image processor 51, the display 52 and the rejecting device 6, and the alarm 9 is electrically connected with the controller 8; the rejecting device 6 is located the image acquisition device 4 rear portion and fixed connection on the mounting bracket 3, the light source mount 43 of the junction of light source mount 43 and camera mount 45 is equipped with a plurality of first waist type holes 44, carries out the fine setting of position to light source 41 through the not hard up of screw and the cooperation in first waist type hole 44.
As an optimal technical scheme of the utility model, camera mount 45 of the junction of camera mount 45 and mounting bracket 3 is equipped with a plurality of second waist type holes 46, carries out the fine setting of position to camera 42 through the not hard up of screw and the cooperation in second waist type hole 46.
As a preferred technical solution of the present invention, the number of the light sources 41 and the number of the cameras 42 are matched, and one light source 41 corresponds to one camera 42.
As a preferred technical scheme of the utility model, removing devices 6 includes first cylinder 61, second cylinder 62, first separation blade 63, second separation blade 64 and third separation blade 65, first separation blade 63 is connected to first cylinder 61, second separation blade 64 is connected to second cylinder 62, first separation blade 63 and second separation blade 64 are parallel to each other and are located the outside of the electronic chip that awaits measuring respectively, the third separation blade is located the middle part of the back tip of mounting bracket 3 and with mounting bracket 3 fixed connection, first separation blade 63 and second separation blade 64 push away unqualified electronic chip to the centre of conveyer belt 2 under the cooperation through first cylinder 61 and second cylinder 62, the third separation blade blocks unqualified chip for unqualified chip can not be along with conveyer belt 2 motion, artifical unqualified chip rejection afterwards.
Further, the distance between the first blocking piece 63 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the distance between the second blocking piece 64 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the distance between the third blocking piece 65 and the upper end of the conveyor belt 2 is smaller than the height of the electronic chip to be detected, the convex shape of the third blocking piece 65 is formed, the distance between the non-protruding part and the upper end of the conveyor belt 2 is larger than the height of the electronic chip to be detected, it is guaranteed that the qualified electronic chip can pass through from the non-protruding part, the protruding part is located in the middle of the upper end of the conveyor belt 2, the width of the protruding part is larger than the width of the electronic chip, and the unqualified electronic chip blocked by the first blocking piece 63 and the second blocking piece 64 is blocked.
As a preferred technical scheme of the utility model, the both sides of mounting bracket 3 still are equipped with sensor 7, detect the electronic chip that awaits measuring through sensor 7 and have reachd the 4 lower parts of image acquisition device, and sensor 7 is connected with 8 electricity of controller, starts image acquisition device 4 through controller 8 and shoots the collection image.
As an optimized technical solution of the present invention, the image processor 51 has an image detection module, an image management module and a display module, the image detection module is used for reading the electronic chip image in the image acquisition sheet 47, the standard electronic chip image is stored in the image management module, and the display module is connected to the display 52.
As an optimized technical solution of the present invention, the controller 8 is a PLC programmable controller.
As a preferred technical solution of the present invention, the light source 41 is an LED strip light source.
The utility model has the advantages that: the utility model provides a mainboard defect visual inspection device, it can utilize two cameras 42 to carry out the shooting to conveyer belt 2 through the electronic chip, and store the electronic chip image after the shooting in image acquisition piece 47, image processor 51 compares this electronic chip image with standard electronic chip image model, in order to judge whether qualified electronic chip, if the electronic chip is unqualified, image processor 51 marks the electronic chip image of unqualified electronic chip red back and shows on display 52, and control alarm 9 through controller 8 and report to the police, controller 8 still controls rejection device 6 realizes the rejection to unqualified electronic chip, mainboard defect visual inspection device can detect the defect of electronic chip betterly, and when detecting unqualified electronic chip, can realize the rejection to unqualified electronic chip, and remind operating personnel to handle in time through alarm 9, therefore, the problem of complaints caused by delivery of unqualified electronic chips can be effectively avoided, the structure is simple, and the automation degree is high.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A visual inspection device for defects in a motherboard, comprising: organism (1), conveyer belt (2), mounting bracket (3), image acquisition device (4), image processing device (5), removing devices (6), controller (8) and alarm (9), its characterized in that: a conveyor belt (2) is arranged on the machine body (1), mounting racks (3) are arranged on two sides of the conveyor belt (2), the image acquisition device (4), the image processing device (5), the rejecting device (6), the controller (8) and the alarm (9) are positioned on the mounting rack (3), the mounting rack (3) is of a hollow structure, the image acquisition device (4) comprises a light source (41), a camera (42) and an image acquisition sheet (47), the light source (41) is fixed inside the mounting rack (3) through a light source fixing rack (43), the camera (42) is arranged at the upper part of the light source (41) and is fixed on the light source fixing frame (43) through one end of the camera fixing frame (45), the other end of the camera fixing frame (45) is fixed on the mounting frame (3), and a lens of the camera (42) faces to the passing electronic chip to be tested; the image acquisition sheet (47) is positioned at the upper part of the camera (42); the image processing device (5) comprises an image processor (51) and a display (52), the controller (8) is electrically connected with the image processor (51), the display (52) and the rejecting device (6), and the alarm (9) is electrically connected with the controller (8); the rejecting device (6) is located image acquisition device (4) rear portion and fixed connection on mounting bracket (3), light source mount (43) of light source mount (43) and the junction of camera mount (45) are equipped with a plurality of first waist type holes (44), carry out the fine setting of position to light source (41) through the not hard up of screw and the cooperation in first waist type hole (44).
2. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the camera fixing frame (45) at the joint of the camera fixing frame (45) and the mounting frame (3) is provided with a plurality of second waist-shaped holes (46), and the camera (42) is subjected to fine adjustment of the position through the loosening of screws and the matching of the second waist-shaped holes (46).
3. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the number of light sources (41) is matched to the number of cameras (42), one light source (41) corresponding to each camera (42).
4. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the rejecting device (6) comprises a first cylinder (61), a second cylinder (62), a first baffle sheet (63), a second baffle sheet (64) and a third baffle sheet (65), the first cylinder (61) is connected with a first blocking sheet (63), the second cylinder (62) is connected with a second blocking sheet (64), the first blocking sheet (63) and the second blocking sheet (64) are parallel to each other and are respectively positioned at the outer sides of electronic chips to be tested, the third blocking sheet is positioned at the middle part of the rear end part of the mounting rack (3) and is fixedly connected with the mounting rack (3), the first blocking sheet (63) and the second blocking sheet (64) push unqualified electronic chips to the middle of the conveyor belt (2) under the matching action of the first cylinder (61) and the second cylinder (62), and the third blocking sheet blocks the unqualified chips, so that unqualified chips cannot move along with the conveyor belt (2), and then unqualified chips are manually removed.
5. A visual inspection apparatus for defects in a motherboard as recited in claim 4, wherein: the distance between the first separation blade (63) and the upper end of the conveyor belt (2) is smaller than the height of an electronic chip to be tested, the distance between the second separation blade (64) and the upper end of the conveyor belt (2) is smaller than the height of the electronic chip to be tested, the distance between the third separation blade (65) and the upper end of the conveyor belt (2) is smaller than the height of the electronic chip to be tested, the convex shape of the third separation blade (65) is formed, the distance between the non-protruding part and the upper end of the conveyor belt (2) is larger than the height of the electronic chip to be tested, it is guaranteed that the qualified electronic chip can pass through the non-protruding part, the protruding part is located in the middle of the upper end of the conveyor belt (2), the width of the protruding part is larger than the width of the electronic chip, and the unqualified electronic chip blocked by the first separation blade (63) and the second separation blade (64) is avoided.
6. A visual inspection apparatus for defects in a main board as set forth in claim 1, wherein: the two sides of the mounting rack (3) are also provided with sensors (7), the electronic chip to be detected is detected through the sensors (7) and reaches the lower part of the image acquisition device (4), the sensors (7) are electrically connected with the controller (8), and the image acquisition device (4) is started through the controller (8) to shoot and acquire images.
7. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the image processor (51) is provided with an image detection module, an image management module and a display module, the image detection module is used for reading the electronic chip image in the image acquisition sheet (47), the standard electronic chip image is stored in the image management module, and the display module is connected with the display (52).
8. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the controller (8) is a PLC programmable controller.
9. A visual inspection apparatus for defects in a motherboard as recited in claim 1, wherein: the light source (41) is an LED strip light source.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120298656 | 2021-02-02 | ||
| CN2021202986561 | 2021-02-02 |
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| CN216747455U true CN216747455U (en) | 2022-06-14 |
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| CN202123114805.3U Active CN216747455U (en) | 2021-02-02 | 2021-12-13 | Mainboard defect visual inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636701A (en) * | 2022-05-18 | 2022-06-17 | 保融盛维(沈阳)科技有限公司 | Digital electronic module visual detection system |
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2021
- 2021-12-13 CN CN202123114805.3U patent/CN216747455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636701A (en) * | 2022-05-18 | 2022-06-17 | 保融盛维(沈阳)科技有限公司 | Digital electronic module visual detection system |
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