CN112577973A - Flexible circuit board detection device - Google Patents
Flexible circuit board detection device Download PDFInfo
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- CN112577973A CN112577973A CN202011485848.XA CN202011485848A CN112577973A CN 112577973 A CN112577973 A CN 112577973A CN 202011485848 A CN202011485848 A CN 202011485848A CN 112577973 A CN112577973 A CN 112577973A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 24
- 238000007689 inspection Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000006748 scratching Methods 0.000 abstract description 4
- 230000002393 scratching effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
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- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention belongs to the technical field of electronic detection, and particularly relates to a flexible circuit board detection device. The flexible circuit board detection device comprises a rack, a camera assembly, a code scanning assembly, an adjusting assembly and a carrier plate installation assembly, wherein the camera assembly is used for shooting a flexible circuit board to be detected; the camera assembly, the code scanning assembly and the support plate mounting assembly are all mounted on the rack. According to the flexible circuit board detection device, the tool flexible board can be automatically adjusted to the position in contact with the flexible circuit board to be detected, the risk of scratching the surface of the flexible circuit board to be detected due to manual conduction detection of the flexible circuit board to be detected is reduced, and the rejection rate of the flexible circuit board to be detected is reduced.
Description
Technical Field
The invention belongs to the technical field of electronic detection, and particularly relates to a flexible circuit board detection device.
Background
With the continuous development of science and technology, electronic products such as smart phones, smart watches, tablet computers and the like become important components in daily life of people. The existing intelligent equipment needs to have smaller volume and weight while requiring high performance, has higher requirements on the integration of products, and the flexible circuit board is widely applied to the connection of lines due to excellent flexibility, can save redundant flat cables, reduces the volume and the weight of the products, and can be assembled in a limited space. Therefore, the demand of the flexible circuit board is increased, the demand is higher and higher, and the test of the flexible circuit board is indispensable; the inspection of flexible circuit boards can be tested both in terms of appearance and performance.
In the prior art, the appearance test of the flexible circuit board is usually performed by adopting a manual visual inspection method, which is not only low in efficiency and high in energy consumption, but also low in detection precision, and the detection result is easily influenced by the subjective activity of detection personnel. In the prior art, the performance detection of the flexible circuit board is usually performed by a detection person in a needle inserting mode at a line interface of the flexible circuit board, and the manual needle inserting mode for conducting the line is easy to scratch the surface of the flexible circuit board, and the detection efficiency is low.
Disclosure of Invention
The invention solves the technical problems of low efficiency, high cost, easy scratching of the surface of the flexible circuit board and the like of the conventional manual detection of the flexible circuit board, and provides the flexible circuit board detection device.
In view of the above problems, an embodiment of the present invention provides a flexible printed circuit board inspection apparatus, which includes a frame, a camera assembly, a code scanning assembly, an adjusting assembly for mounting a tool flexible board having tool pins, and a carrier board mounting assembly for mounting a flexible printed circuit board to be inspected having test pins; the camera assembly, the code scanning assembly and the carrier plate mounting assembly are all mounted on the rack;
controlling the code scanning assembly to scan a code attached to the flexible circuit board to be tested so as to obtain the model information of the flexible circuit board to be tested;
acquiring a preset position image and a preset appearance image which are associated with the model information;
controlling the camera assembly to shoot a first image of the flexible circuit board to be detected; the first image comprises position information of the flexible circuit board to be tested and first appearance information before testing;
controlling the adjusting assembly to adjust the position of the tool soft board according to the position information and the preset position image until a tool pin of the tool soft board is in butt joint with a test pin of the flexible circuit board to be tested to be electrified so as to obtain performance qualified information of the flexible circuit board to be tested;
controlling the adjusting assembly to drive the tool flexible board to return to the original position, and enabling the camera assembly to shoot a second image of the flexible circuit board to be tested, wherein the first image comprises second appearance information of the flexible circuit board to be tested after the flexible circuit board is tested;
determining appearance qualified information of the flexible circuit board to be tested according to the first appearance information, the second appearance information and the preset appearance image;
and acquiring the detection result of the flexible circuit board to be detected according to the performance information and the appearance qualified information.
Optionally, the adjusting assembly includes a first driving member for driving the tool soft board to move along the X axis, a second driving member for driving the tool soft board to move along the Y axis, a third driving member for driving the tool soft board to move along the Z axis, and a fourth driving member for driving the tool soft board to rotate around the Z axis;
the fourth driving piece is installed at the output end of the first driving piece, the second driving piece is installed at the output end of the fourth driving piece, the third driving piece is installed at the output end of the fourth driving piece, and the tool soft board is installed at the output end of the third driving piece.
Optionally, the adjusting assembly further comprises a connecting arm, and the tool soft board is mounted at the output end of the third driving member through the connecting arm.
Optionally, the adjustment assembly further comprises a fine adjustment rotating member for adjusting the connecting arm to rotate around the Z-axis, and the connecting arm is connected to the third driving member through the fine adjustment rotating member.
Optionally, the camera assembly is used for shooting an upper camera on the upper surface of the flexible circuit board to be tested and a lower camera on the lower surface of the flexible circuit board to be tested.
Optionally, the flexible circuit board detection device is mounted on a pin die assembly on the rack, and the pin die assembly is connected to the flexible circuit board to be detected.
Optionally, the rack includes a mounting plate, a mounting bracket, and a drop-preventing plate for preventing the flexible circuit board to be tested from dropping; the adjusting assembly, sweep the yard subassembly and the installing support is all installed on the mounting panel, the anti-falling board is installed on the installing support, still be equipped with the installation face that is used for installing the flexible circuit board that awaits measuring on the installing support.
Optionally, the rack further comprises an adsorption positioning member disposed on the mounting surface; the flexible circuit board to be tested is arranged on the mounting surface through the adsorption positioning piece.
Optionally, the rack further comprises a connecting plate mounted on the mounting plate, and the connecting plate is provided with a mounting groove arranged along the Z-axis direction; the code scanning assembly comprises a scanning body and a connecting block arranged on the scanning body; the scanning body is connected in the mounting groove through the connecting block.
Optionally, the flexible circuit board to be tested includes a first pin, a second pin, a third pin and a fourth pin that are arranged at intervals; the adjusting components comprise a first adjusting component for mounting on a first tool soft board, a second adjusting component for mounting a second tool soft board, a third adjusting component for mounting a third tool soft board, and a fourth adjusting component for mounting a fourth tool soft board; the first tool soft board is arranged opposite to the first pin, the second tool soft board is arranged opposite to the second pin, the third tool soft board is arranged opposite to the third pin, and the fourth tool soft board is arranged opposite to the fourth pin.
In the invention, the camera assembly shoots a first image of the flexible circuit board to be tested before the tool flexible board is not butted with the flexible circuit board to be tested; whether the surface of the flexible circuit board to be tested is scratched or not before testing can be judged through the appearance information on the first image; and controlling the adjusting assembly to adjust the spatial position of the tool soft board through the position information on the first image until the adjusting assembly adjusts the tool pin of the tool soft board to be in butt joint with the pin to be tested of the flexible circuit board to be tested to be conductive, and judging the internal performance of the flexible circuit board to be tested through the conductivity and the communication capacity between the flexible circuit board to be tested and the tool soft board. After the internal performance test of the flexible circuit board to be tested is finished, the adjusting assembly returns to the initial position, the camera assembly shoots a second image of the flexible circuit board to be tested, and whether the flexible circuit board to be tested is scratched or not in the testing process can be judged according to the second image. According to the flexible circuit board detection device, whether the internal performance and the surface of the flexible circuit board to be detected are scratched or not can be automatically detected, the detection efficiency and the qualification rate of the flexible circuit board to be detected are improved, and the detection cost is reduced; and the flexible circuit board detection device has high stability, and only the flexible circuit board needs to be replaced during maintenance, so that the flexible circuit board detection device is convenient to maintain. In addition, the adjusting component can automatically adjust the tool flexible board to the position contacted with the flexible circuit board to be detected, thereby reducing the risk of scratching the surface of the flexible circuit board to be detected caused by manually conducting and detecting the flexible circuit board to be detected and reducing the rejection rate of the flexible circuit board to be detected.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a flexible circuit board detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first adjusting assembly and a second adjusting assembly of the flexible circuit board detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third adjusting assembly of the flexible circuit board inspection apparatus according to an embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of a chassis of a flexible printed circuit board inspection apparatus according to an embodiment of the present invention;
fig. 5 is a schematic partial structural diagram of a camera assembly of a flexible circuit board detection apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pin mold assembly of the flexible circuit board inspection apparatus according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a frame; 11. mounting a plate; 12. a connecting plate; 121. mounting grooves; 2. a camera assembly; 21. an upper camera; 3. a code scanning component; 31. scanning the body; 32. connecting blocks; 4. an adjustment assembly; 41. a first driving member; 42. a second driving member; 43. a third driving member; 44. a fourth drive; 45. a connecting arm; 46. fine-tuning the rotating member; 47. a first adjustment assembly; 48. a second adjustment assembly; 49. a third adjustment assembly; 410. a fourth adjustment assembly; 5. a carrier plate mounting assembly; 51. mounting a bracket; 52. a drop-proof plate; 6. a needle die assembly; 7. a flexible circuit board to be tested; 71. a first pin; 72. a second pin; 73. a third pin; 74. a fourth pin; 8. a tool soft board; 81. a first tool soft board; 82. a second tool soft board; 83. a third tool soft board; 84. and a fourth tool soft board.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. 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 is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The invention provides a flexible circuit board detection device, which comprises a rack 1, a camera component 2, a code scanning component 3, an adjusting component 4 for installing a tool soft board 8 with tool pins (golden finger-shaped pins), and a carrier board installing component 5 for installing a flexible circuit board 7 to be detected with test pins (golden finger-shaped pins); the camera assembly 2, the code scanning assembly 3 and the carrier plate mounting assembly 5 are all mounted (mounted in a screw connection mode or the like) on the rack 1; it can be understood that the adjusting component 4 can drive the tool flexible printed circuit 8 to move along the X-axis, the Y-axis, and the Z-axis in the space, and rotate around the Z-axis, so that the adjusting component 4 drives the tool flexible printed circuit 8 and the flexible printed circuit 7 to be tested to abut against each other (i.e. to conduct with each other).
The flexible circuit board detection device comprises the following working steps:
s1, controlling the code scanning component 3 to scan the code attached to the flexible circuit board 7 to be tested so as to obtain the model information of the flexible circuit board 7 to be tested; it is understood that the model information includes information of specification, lot, shape, internal structure, and the like of the flexible circuit board 7 to be tested.
S2, acquiring a preset position image and a preset appearance image which are associated with the model information; it can be understood that the preset position image is the position information of the flexible circuit board 7 to be tested when the tool pin of the tool soft board 8 is correctly butted with the pin to be tested of the flexible circuit board 7 to be tested, and the preset appearance information is the appearance information when no scratch or scratch is in an acceptable range on the surface of the flexible circuit board 7 to be tested.
S3, controlling the camera assembly 2 to shoot a first image of the flexible circuit board 7 to be tested; the first image comprises position information of the flexible circuit board 7 to be tested and first appearance information before testing; it is understood that the first image is an image taken after the flexible circuit board 7 to be tested is mounted on the carrier board mounting assembly 5, that is, an image of the flexible circuit board 7 to be tested when the adjusting assembly 4 is not moved. Further, the position information is the position information of the flexible circuit board 7 to be tested mounted on the carrier board mounting assembly 5, i.e. the relative position information between the flexible circuit board and the tool soft board.
S4, controlling the adjusting component 4 to adjust the position of the soft tool board 8 according to the position information and the preset position image until the tool pin of the soft tool board 8 is in butt joint with the test pin of the flexible circuit board 7 to be tested, so as to obtain the performance qualified information of the flexible circuit board to be tested; understandably, because the flexible circuit board 7 to be tested is installed on the carrier board installation component 5, a certain error does not exist, the position information of the tool soft board 8 is adjusted through the adjusting component 4 through the position information of the first image, so that the tool pin of the tool soft board 8 can be correctly butted with the pin to be tested of the flexible circuit board 7 to be tested. Further, when the pin to be tested and the tool pin are conducted with each other, whether the performance such as the conductivity and the communication information inside the flexible circuit board 7 to be tested is qualified or not can be judged according to the conductivity, the communication and the like between the flexible circuit board 7 to be tested and the tool flexible board 8.
S5, controlling the adjusting component 4 to drive the tool flexible circuit board 7 to return to the original position, and enabling the camera component to shoot a second image of the flexible circuit board 7 to be tested, wherein the first image comprises second appearance information of the flexible circuit board 7 to be tested after testing; it can be understood that the second appearance information is the appearance information of the flexible circuit board 7 to be tested after being docked with the tool flexible board.
S6, determining qualified appearance information of the flexible circuit board to be tested according to the first appearance information, the second appearance information and the preset appearance image; the first appearance information can judge whether the surface of the flexible circuit board 7 to be tested before the test is scratched, and the second appearance information can judge whether the surface of the flexible circuit board 7 to be tested after the test is scratched; and only when the first appearance information and the second appearance information are qualified, the appearance of the flexible circuit board 7 to be tested can be determined to be qualified.
And S7, obtaining the detection result of the flexible circuit board to be detected according to the performance information and the appearance qualified information. It can be understood that the flexible circuit board 7 to be tested can be judged to be a qualified product only after the appearance and the performance of the flexible circuit board 7 to be tested are qualified.
In the invention, the camera assembly 2 shoots a first image of the flexible circuit board 7 to be tested before the tool flexible board 8 is not butted with the flexible circuit board 7 to be tested; whether the surface of the flexible circuit board 7 to be tested is scratched or not before testing can be judged through the appearance information on the first image; the adjustment component 4 is controlled to adjust the spatial position of the tool soft board 8 through the position information on the first image until the adjustment component 4 adjusts the tool pin of the tool soft board 8 to be in mutual butt joint with the pin to be tested of the flexible circuit board 7 to be tested, and the internal performance of the flexible circuit board 7 to be tested can be judged through the conductivity and the communication capacity between the flexible circuit board 7 to be tested and the tool soft board 8. After the performance test of the interior of the flexible circuit board 7 to be tested is finished, the adjusting component 4 returns to the initial position, the camera component 2 shoots a second image of the flexible circuit board 7 to be tested, and whether the flexible circuit board 7 to be tested is scratched or not in the test process can be judged according to the second image. According to the flexible circuit board detection device, whether the internal performance and the surface of the flexible circuit board 7 to be detected are scratched or not can be automatically detected, the detection efficiency and the qualification rate of the flexible circuit board 7 to be detected are improved, and the detection cost is reduced; and this flexible circuit board detection device's stability is high, only needs change instrument soft board 8 during the maintenance, and its easy maintenance. In addition, the adjusting component 4 can automatically adjust the tool flexible board 8 to the position contacted with the flexible circuit board 7 to be detected, so that the risk of scratching the surface of the flexible circuit board 7 to be detected caused by manual conduction and detection of the flexible circuit board 7 to be detected is reduced, and the rejection rate of the flexible circuit board 7 to be detected is reduced.
In one embodiment, as shown in fig. 2 and 3, the adjusting assembly 4 includes a first driving member 41 for moving the soft tool board 8 along the X axis, a second driving member 42 for moving the soft tool board 8 along the Y axis, a third driving member 43 for moving the soft tool board 8 along the Z axis, and a fourth driving member 44 for rotating the soft tool board 8 around the Z axis; it is understood that the first driving member 41, the second driving member 42 and the fourth driving member 44 include, but are not limited to, a linear motor, a lead screw-nut mechanism, a pneumatic cylinder, a hydraulic cylinder, etc.; preferably, the first driver 41, the second driver 42, and the fourth driver 44 are all linear motors, which are easy to control and have high positioning accuracy. Further, the third driving member 43 includes, but is not limited to, a rotating motor and the like.
The fourth driving member 44 is mounted (e.g., screwed) to the output end of the first driving member 41, the second driving member 42 is mounted (e.g., screwed) to the output end of the fourth driving member 44, the third driving member 43 is mounted (e.g., screwed) to the output end of the fourth driving member 44, and the flexible tool plate 8 is mounted (e.g., screwed) to the output end of the third driving member 43. It can be understood that, firstly, the first driving element 41, the second driving element 42 and the fourth driving element 44 move the flexible board 8 to the position right below the flexible circuit board 7 to be tested, and then the third driving element 43 drives the flexible board 8 to move upward until the tool pins of the flexible board 8 are in butt joint with and conducted with the test pins of the flexible circuit board 7 to be tested, so as to complete the test of the internal performance of the flexible circuit board 7 to be tested. In this aspect, this flexible circuit board detection device's simple structure, control is convenient, low in manufacturing cost.
Further, the connection relationship among the first driving element 41, the second driving element 42, the third driving element 43, and the fourth driving element 44 is not limited to the above connection relationship, and it is only necessary that the movement among the first driving element 41, the second driving element 42, the third driving element 43, and the fourth driving element 44 can realize the movement of the tool soft board 8 along the X axis, the Y axis, and the Z axis and the rotation around the Z axis.
In one embodiment, as shown in fig. 2, the adjusting assembly 4 further comprises a connecting arm 45, and the tool soft board 8 is mounted at the output end of the third driving member 43 through the connecting arm 45. It can be understood that the shape of the connecting arm 45 can be designed according to actual requirements, and the arrangement of the connecting arm 45 ensures the compactness and stability of the flexible circuit board detection device.
In one embodiment, as shown in fig. 2, the adjusting assembly 4 further comprises a fine adjustment rotating member 46 for adjusting the rotation of the connecting arm 45 around the Z-axis, and the connecting arm 45 is connected to the third driving member 43 through the fine adjustment rotating member 46. As can be understood, the fine tuning rotating member 46 can precisely adjust the tool pin of the tool flexible printed circuit board 8 to abut against the pin to be tested of the flexible printed circuit board 7 to be tested, so that the continuity between the flexible printed circuit board 7 to be tested and the tool flexible printed circuit board 8 is further ensured, and the situation that the surface of the flexible printed circuit board 7 to be tested is scratched due to the overlarge rotation range of the adjusting member 4 is avoided.
In one embodiment, as shown in fig. 2, the camera assembly 2 is used for an upper camera 21 for photographing the upper surface of the flexible circuit board to be tested, and a lower camera (not shown) for photographing the lower surface of the flexible circuit board to be tested. It can be understood that the upper camera 21 focuses on the upper surface of the pin to be tested of the flexible circuit board 7 to be tested, and the lower camera focuses on the lower surface of the pin to be tested of the flexible circuit board 7 to be tested, so that the upper camera 21 and the lower camera can accurately detect whether the surface of the flexible circuit board 7 to be tested is scratched, and the yield of the flexible circuit board 7 to be tested is further improved.
In one embodiment, as shown in fig. 1 and 6, the flexible circuit board detection device is mounted on a pin die assembly 6 on the rack 1, and the pin die assembly 6 is connected to the flexible circuit board 7 to be detected. It can be understood that the connector of the flexible circuit board 7 to be tested is connected with the pin module 6, and the pin module 6 can transfer the flexible circuit board 7 to be tested to a corresponding test board for testing, thereby realizing the test of the internal performance of the flexible circuit board 7 to be tested.
In one embodiment, as shown in fig. 1, the rack 1 includes a mounting plate 11; the carrier board mounting assembly 5 comprises a mounting bracket 51 and a falling-off prevention board 52 for preventing the flexible circuit board 7 to be tested from falling off; adjusting part 4 sweep yard subassembly 3 and installing support 12 all installs on the mounting panel 11, prevent that the board 52 that falls installs on the installing support 51, still be equipped with the installation face that is used for installing the flexible circuit board 7 that awaits measuring on the installing support 51. It can be understood that the shape of the mounting bracket 51 can be set according to actual requirements, and the code scanning assembly 3 passes through the mounting plate 11 and faces the flexible circuit board 7 to be tested on the mounting bracket 51; the drop-preventing plate 52 can prevent the flexible circuit board 7 to be tested from dropping from the mounting bracket 51, thereby further improving the quality of the flexible circuit board 7 to be tested.
In an embodiment, the rack 1 further includes an absorption positioning member (not shown) disposed on the mounting surface; the flexible circuit board to be tested is arranged on the mounting surface through the adsorption positioning piece. It can be understood that the adsorption positioning element may be a magnet, and the magnet may be used to adsorb the flexible circuit board 7 to be tested, so as to fix the flexible circuit board 7 to be tested on the mounting surface. In the invention, the flexible circuit board 7 to be tested is convenient to be installed on the flexible circuit board detection device.
In an embodiment, as shown in fig. 1, the rack 1 further includes a connecting plate 12 mounted on the mounting plate 11, and the connecting plate 12 is provided with a mounting groove 121 arranged along the Z-axis direction; the code scanning assembly comprises a scanning body 31 and a connecting block 32 arranged on the scanning body 31; the scanning body 31 is connected in the mounting groove 121 through the connecting block. It can be understood that the mounting groove 121 is a long groove, and is in through adjusting the connecting block 32 position in the mounting groove 121, thereby adjusting the relative position of the scanning body 31 and the flexible circuit board 7 to be tested, and further can ensure that the code scanning component 3 accurately scans and identifies the flexible circuit board 7 to be tested.
In an embodiment, as shown in fig. 1, fig. 2 and fig. 4, the flexible circuit board 7 to be tested includes a first pin 71, a second pin 72, a third pin 73 and a fourth pin 74 that are arranged at intervals; the adjusting assembly 4 comprises a first adjusting assembly 47 for mounting on the first soft tool board 81, a second adjusting assembly 48 for mounting on the second soft tool board 82, a third adjusting assembly 49 for mounting on the third soft tool board 83, and a fourth adjusting assembly 410 for mounting on the fourth soft tool board 84; the first soft tool board 81 is disposed opposite to the first pin 71, the second soft tool board 82 is disposed opposite to the second pin 72, the third soft tool board 83 is disposed opposite to the third pin 73, and the fourth soft tool board 84 is disposed opposite to the fourth pin 74. It will be appreciated that the first, second, third and fourth adjustment assemblies 47, 48, 49 and 410 are each structured to include the first drive member 41 as described above. A second driver 42, a third driver 43, a fourth driver 44, and the like; the flexible circuit board detection device can simultaneously detect four pins of the flexible circuit board 7 to be detected, and further improves the test efficiency of the flexible circuit board detection device.
Further, as shown in fig. 6, the camera assembly 2 includes a first camera, a second camera, a third camera, a fourth camera, a fifth camera, a sixth camera, a seventh camera and an eighth camera, which are all mounted on the rack 1; the first camera and the second camera are respectively used for shooting the upper surface and the lower surface of the first pin 71, the third camera and the fourth camera are respectively used for shooting the upper surface and the lower surface of the second pin 72, the fifth camera and the sixth camera are respectively used for shooting the upper surface and the lower surface of the third pin 73, and the seventh camera and the eighth camera are respectively used for shooting the upper surface and the lower surface of the fourth pin 74. It can be understood that the camera assembly 2 includes eight cameras, and the eight cameras respectively shoot the front and back of the four pins to be measured.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flexible circuit board detection device is characterized by comprising a rack, a camera assembly, a code scanning assembly, an adjusting assembly and a carrier plate mounting assembly, wherein the adjusting assembly is used for mounting a tool flexible board with tool pins, and the carrier plate mounting assembly is used for mounting a flexible circuit board to be tested with test pins; the camera assembly, the code scanning assembly and the carrier plate mounting assembly are all mounted on the rack;
controlling the code scanning assembly to scan a code attached to the flexible circuit board to be tested so as to obtain the model information of the flexible circuit board to be tested;
acquiring a preset position image and a preset appearance image which are associated with the model information;
controlling the camera assembly to shoot a first image of the flexible circuit board to be detected; the first image comprises position information of the flexible circuit board to be tested and first appearance information before testing;
controlling the adjusting assembly to adjust the position of the tool soft board according to the position information and the preset position image until a tool pin of the tool soft board is in butt joint with a test pin of the flexible circuit board to be tested to be electrified so as to obtain performance qualified information of the flexible circuit board to be tested;
controlling the adjusting assembly to drive the tool flexible board to return to the original position, and enabling the camera assembly to shoot a second image of the flexible circuit board to be tested, wherein the first image comprises second appearance information of the flexible circuit board to be tested after the flexible circuit board is tested;
determining appearance qualified information of the flexible circuit board to be tested according to the first appearance information, the second appearance information and the preset appearance image;
and acquiring the detection result of the flexible circuit board to be detected according to the performance information and the appearance qualified information.
2. The flexible circuit board detection device according to claim 1, wherein the adjustment assembly comprises a first driving member for driving the tool flexible board to move along the X-axis, a second driving member for driving the tool flexible board to move along the Y-axis, a third driving member for driving the tool flexible board to move along the Z-axis, and a fourth driving member for driving the tool flexible board to rotate around the Z-axis;
the fourth driving piece is installed at the output end of the first driving piece, the second driving piece is installed at the output end of the fourth driving piece, the third driving piece is installed at the output end of the fourth driving piece, and the tool soft board is installed at the output end of the third driving piece.
3. The apparatus of claim 2, wherein the adjustment assembly further comprises a connecting arm, and the tool flexible board is mounted at the output end of the third driving member through the connecting arm.
4. The apparatus as claimed in claim 3, wherein the adjustment assembly further comprises a fine adjustment rotating member for adjusting the rotation of the connecting arm around the Z axis, and the connecting arm is connected to the third driving member via the fine adjustment rotating member.
5. The flexible circuit board detection device according to claim 1, wherein the camera assembly is used for shooting an upper camera on the upper surface of the flexible circuit board to be detected and shooting a lower camera on the lower surface of the flexible circuit board to be detected.
6. The flexible circuit board detection device according to claim 1, wherein the flexible circuit board detection device is mounted on a pin die assembly on the frame, and the pin die assembly is connected with the flexible circuit board to be detected.
7. The flexible circuit board inspection device of claim 1, wherein the chassis includes a mounting plate; the carrier plate mounting assembly comprises a mounting bracket and a falling-preventing plate for preventing the flexible circuit board to be tested from falling; the adjusting assembly, sweep the yard subassembly and the installing support is all installed on the mounting panel, the anti-falling board is installed on the installing support, still be equipped with the installation face that is used for installing the flexible circuit board that awaits measuring on the installing support.
8. The flexible circuit board detection device according to claim 7, wherein the frame further comprises an adsorption positioning member disposed on the mounting surface; the flexible circuit board to be tested is arranged on the mounting surface through the adsorption positioning piece.
9. The flexible circuit board detection device according to claim 7, wherein the frame further comprises a connection plate mounted on the mounting plate, and the connection plate is provided with mounting grooves arranged along the Z-axis direction; the code scanning assembly comprises a scanning body and a connecting block arranged on the scanning body; the scanning body is connected in the mounting groove through the connecting block.
10. The flexible circuit board detection device according to claim 1, wherein the flexible circuit board to be detected comprises a first pin, a second pin, a third pin and a fourth pin which are arranged at intervals; the adjusting components comprise a first adjusting component for mounting on a first tool soft board, a second adjusting component for mounting a second tool soft board, a third adjusting component for mounting a third tool soft board, and a fourth adjusting component for mounting a fourth tool soft board; the first tool soft board is arranged opposite to the first pin, the second tool soft board is arranged opposite to the second pin, the third tool soft board is arranged opposite to the third pin, and the fourth tool soft board is arranged opposite to the fourth pin.
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| CN202011485848.XA CN112577973A (en) | 2020-12-16 | 2020-12-16 | Flexible circuit board detection device |
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| CN202011485848.XA CN112577973A (en) | 2020-12-16 | 2020-12-16 | Flexible circuit board detection device |
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Application publication date: 20210330 |