CN213210362U - High-precision flexible circuit board detection production device - Google Patents
High-precision flexible circuit board detection production device Download PDFInfo
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- CN213210362U CN213210362U CN202021861899.3U CN202021861899U CN213210362U CN 213210362 U CN213210362 U CN 213210362U CN 202021861899 U CN202021861899 U CN 202021861899U CN 213210362 U CN213210362 U CN 213210362U
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- 238000001514 detection method Methods 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision flexible circuit board detection production device, which comprises a bottom plate, two cylinders and a support column which are arranged on the bottom plate, a detection platform which is fixedly arranged at the output ends of the two cylinders, and a detection head which is arranged above the detection platform, wherein the detection platform is provided with a support overturning part which can stably clamp and overturn the flexible circuit board and is convenient for the detection head to detect, the high-precision flexible circuit board detection production device ensures that when the flexible circuit board is detected and produced, two clamping frames and two clamping plates realize the adjustable and stable clamping of the flexible circuit board, and simultaneously, the detection head can perform the action of mobile detection under the adjustment of an adjusting part, and when one side of the flexible circuit board is detected, the action of overturning detection of the flexible circuit board can be realized only by one rotating motor, thereby effectively preventing different phenomena from occurring when the two motors overturn, meanwhile, the detection production efficiency of the flexible circuit board is improved, and the production cost is saved.
Description
Technical Field
The utility model relates to a flexible line way board technical field specifically is a flexible line way board of high accuracy detects apparatus for producing.
Background
The flexible circuit board is a printed circuit made of flexible insulating base materials, has the advantages that a plurality of rigid printed circuit boards do not have, can be freely bent, wound and folded, can be randomly arranged according to the space layout requirement, and can be randomly moved and stretched in a three-dimensional space, so that the integration of component assembly and wire connection is realized. The FPC can be used for greatly reducing the volume of electronic products, and is suitable for the development of the electronic products in the directions of high density, miniaturization and high reliability.
According to the prior patent application No.: CN201821797385.9, discloses: a detection device for producing flexible circuit board accessories can detect the flexible circuit board accessories in multiple surfaces, and reduces the use limitation; and the position of the detection head can be adjusted, so that the practicability is improved. However, in this patent application, although when the flexible line way board accessory is detecting, adopt two drive motors to realize overturning the flexible line way board, but can't guarantee that two drive motors carry out synchronous rotation, lead to the flexible line way board easily and when detecting, the upset appears asynchronous easily, lead to the phenomenon that the circuit board damaged, distance between two sets of punch holder boards is comparatively fixed simultaneously, can't carry out adjustable centre gripping according to the circuit board of difference, the position of detecting the head simultaneously is comparatively fixed, thereby influence the detection production efficiency of flexible line way board. Therefore, a high-precision flexible circuit board detection production device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can realize stabilizing the centre gripping to the flexible line way board of different shapes size, realize stabilizing the flexible line way board detection apparatus for producing of the high accuracy that turns to the flexible line way board simultaneously to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision flexible circuit board detection production device comprises a bottom plate, two cylinders and a support column which are arranged on the bottom plate, a detection table fixedly arranged at the output ends of the two cylinders, and a detection head arranged above the detection table, wherein the support column is rotatably connected with a support plate, the detection head is connected with the support plate, and a support overturning part which is used for stably clamping and overturning the flexible circuit board and is convenient for the detection head to detect is arranged on the detection table;
and the bottom plate is provided with an adjusting piece for adjusting the detection position of the detection head.
Preferably, the supporting and overturning part comprises a sliding chute arranged on the detection table, a moving part is arranged at the sliding chute, the output end of the moving part is connected with a moving sleeve, and the moving sleeve is connected to the detection table in a sliding manner;
the top end of the moving sleeve is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a connecting plate, a fixed block is fixedly connected onto the connecting plate, a rotating shaft penetrates through the fixed block and is rotatably connected with the fixed block through a bearing, one end of the rotating shaft is provided with a rotating piece for driving the rotating shaft, and the other end of the rotating shaft is fixedly connected with a positioning shell;
the positioning shell is internally provided with a synchronous positioning piece, the output end of the synchronous positioning piece is connected with two clamping frames, the clamping frames are provided with clamping pieces for clamping the flexible circuit board, and the flexible circuit board is supported and overturned through the supporting and overturning pieces.
Preferably, the moving member comprises a driving motor fixedly connected to the outer side of the detection table, the output end of the driving motor penetrates through the detection table and is positioned in the chute and is fixedly connected with a driving screw rod, and the output end of the driving motor is rotatably connected with the detection table;
the driving screw rod is rotatably connected with the sliding groove, the moving sleeve is rotatably sleeved outside the driving screw rod, and the moving member is arranged, so that the position of the moving sleeve relative to the sliding groove can be adjusted.
Preferably, the rotating part includes the rotating electrical machines of fixed connection on the connecting plate, rotating electrical machines output end fixedly connected with drive gear, and the meshing of drive gear outside is connected with the rotary gear, the rotary gear is fixed to be cup jointed in the axis of rotation outside, through the rotating part that is equipped with to the realization carries out the effect of upset to the flexible line way board.
Preferably, synchronous setting element includes the rotation motor of fixed connection in the location shell outside, and rotates one side fixedly connected with two-way threaded rod that the motor output passed the location shell, two-way threaded rod rotates with the location shell inner wall to be connected, it rotates with the location shell to rotate the motor output and is connected, two-way threaded rod outside threaded connection has two stop collars, two the stop collar slides and runs through the location shell and with press from both sides tight frame fixed connection.
Preferably, the clamping piece includes the miniature push rod of fixed connection at the tight frame top of clamp, and miniature push rod output passes tight frame top fixedly connected with clamp plate, miniature push rod output and the tight frame sliding connection of clamp through the clamping piece that is equipped with to the realization carries out the tight effect of stable clamp to the flexible line way board.
Preferably, the regulating part is including setting up the recess that just is located the support column bottom on the bottom plate, the inside rotation of recess is connected with the rotation lead screw, rotate the lead screw outside and rotate and cup jointed and support the cover, and support the cover and slide and run through the recess, support column fixed connection is on the support sleeve, bottom plate outside fixedly connected with servo motor, and the servo motor output pass the bottom be located the recess inside and with the one end fixed connection who rotates the lead screw, through the regulating part that is equipped with to the realization is to the position of detecting the head and is adjusted the effect.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when using, through the support upset piece that is equipped with on examining test table, thereby make the flexible line way board when detecting production, two press from both sides tight frame and two clamp plate realization and carry out adjustable stable centre gripping to the flexible line way board, detect the head simultaneously under the regulation of regulating part, can carry out the effect that removes the detection, simultaneously detect the completion back when the one side of flexible line way board, only need through a rotating electrical machines, can realize the effect that the upset of flexible line way board detected, the effectual phenomenon that appears when two motors overturn that prevents appears in the time, improve the detection production efficiency of flexible line way board simultaneously, save manufacturing cost simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic view of the positioning shell structure of the present invention;
fig. 4 is a schematic structural view of the rotating member of the present invention.
In the figure: 1-a bottom plate; 2-a cylinder; 3-a support column; 4-detecting the platform; 5-a detection head; 6-a support plate; 7-supporting the turnover part; 8-an adjusting part; 9-a chute; 10-a moving member; 11-moving the sleeve; 12-an electric push rod; 13-fixing block; 14-a rotating shaft; 15-a rotating member; 16-a positioning shell; 17-a synchronous positioning element; 18-a clamping frame; 19-a clamping member; 20-a drive motor; 21-driving a screw rod; 22-a rotating electrical machine; 23-a drive gear; 24-a rotating gear; 25-a rotating motor; 26-a bidirectional threaded rod; 27-a stop collar; 28-a micro push rod; 29-a clamping plate; 30-a groove; 31-rotating the screw rod; 32-a support sleeve; 33-a servo motor; 34-connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-precision flexible circuit board detection production device comprises a bottom plate 1, two cylinders 2 and a support column 3 which are arranged on the bottom plate 1, a detection table 4 fixedly installed at the output ends of the two cylinders 2, and a detection head 5 arranged above the detection table 4, wherein a support plate 6 is connected to the support column 3 in a rotating manner, the detection head 5 is connected with the support plate 6, and a support overturning part 7 which stably clamps and overturns the flexible circuit board and facilitates the detection of the detection head 5 is arranged on the detection table 4;
the supporting and overturning part 7 comprises a sliding chute 9 arranged on the detection table 4, a moving part 10 is arranged at the sliding chute 9, the output end of the moving part 10 is connected with a moving sleeve 11, and the moving sleeve 11 is connected on the detecting table 4 in a sliding way, the moving member 10 comprises a driving motor 20 fixedly connected on the outer side of the detecting table 4, and the output end of the driving motor 20 passes through the detection platform 4 and is positioned in the chute 9 and is fixedly connected with a driving screw rod 21, the output end of the driving motor 20 is rotatably connected with the detection platform 4, the driving screw 21 is further rotated in the chute 9 by the rotation of the driving motor 20, so that the movable sleeve 11 is driven by the driving force, and because the movable sleeve 11 is limited by the sliding chute 9, further moving along the detection table 4, wherein the driving screw 21 is rotatably connected with the chute 9, and the moving sleeve 11 is rotatably sleeved outside the driving screw 21;
the top end of the moving sleeve 11 is fixedly connected with an electric push rod 12, the output end of the electric push rod 12 is fixedly connected with a connecting plate 34, the electric push rod 12 can adjust the height between the connecting plate 34 and the detection table 4, so as to prevent the positioning shell 16 from contacting the detection table 4 when turning over, a fixed block 13 is fixedly connected on the connecting plate 34, a rotating shaft 14 penetrates through the fixed block 13, the rotating shaft 14 is rotatably connected with the fixed block 13 through a bearing, one end of the rotating shaft 14 is provided with a rotating part 15 for driving the rotating shaft, the rotating part 15 comprises a rotating motor 22 fixedly connected on the connecting plate 34, the output end of the rotating motor 22 is fixedly connected with a driving gear 23, the outer side of the driving gear 23 is engaged and connected with a rotating gear 24, the rotating gear 24 is fixedly sleeved on the outer side of the rotating shaft 14, and, the rotating motor 22 operates, so that the driving gear 23 drives the rotating gear 24 to synchronously rotate, the positioning shell 16 is synchronously driven to rotate, and the effect of overturning the positioning shell 16 is further realized;
the inside synchronous positioning piece 17 that is equipped with of locating shell 16, and synchronous positioning piece 17 output is connected with two and presss from both sides tight frame 18, synchronous positioning piece 17 includes the rotation motor 25 of fixed connection in the locating shell 16 outside, and locating shell 16 is one side and has the open-ended casing to be convenient for two stop collars 27 remove, and rotates one side fixedly connected with two-way threaded rod 26 that motor 25 output passed locating shell 16, two-way threaded rod 26 rotates with locating shell 16 inner wall and is connected, it rotates with locating shell 16 to rotate motor 25 output, two stop collars 27 of two-way threaded rod 26 outside threaded connection, two stop collars 27 slide and run through locating shell 16 and press from both sides tight frame 18 fixed connection, through rotating motor 25 and move, thereby make two-way threaded rod 26 rotate, and provide the drive power of two stop collars 27 opposite directions, and because stop collars 27 are under the limiting displacement of locating shell 16, and then move on the positioning shell 16 along the opposite or opposite directions, so that the flexible circuit board can move and adjust according to the lengths of different flexible circuit boards;
the clamping frame 18 is in an inverted U shape, the whole width of the clamping frame 18 is narrow, the clamping plate 29 is matched with the clamping frame 18, protective pads for protecting the flexible circuit board are arranged on the clamping plate 29 and the clamping frame 18, and the length of the clamping plate 29 and the clamping frame 18 is larger than the longest width of the flexible circuit board to be detected at equal distance, further realizing the effect of stably clamping the flexible circuit board, the clamping frame 18 is provided with a clamping piece 19 for clamping the flexible circuit board, the clamping piece 19 comprises a micro push rod 28 fixedly connected to the top end of the clamping frame 18, and the output end of the micro push rod 28 penetrates the top end of the clamping frame 18 and is fixedly connected with a clamping plate 29, the output end of the micro push rod 28 is connected with the clamping frame 18 in a sliding way, and the output end of the micro push rod 28 is connected with the clamping frame 18 through two micro push rods 28, thereby, the clamping plate 29 moves along the clamping frame 18, and further, the effect of stably clamping the flexible circuit board is realized.
The bottom plate 1 is provided with an adjusting piece 8 for adjusting the detection position of the detection head 5, the adjusting piece 8 comprises a groove 30 which is arranged on the bottom plate 1 and is positioned at the bottom end of the support column 3, a rotary screw rod 31 is rotatably connected inside the groove 30, a support sleeve 32 is rotatably sleeved outside the rotary screw rod 31, a supporting sleeve 32 penetrates through the groove 30 in a sliding manner, the supporting column 3 is fixedly connected to the supporting sleeve 32, a servo motor 33 is fixedly connected to the outer side of the bottom plate 1, and the output end of the servo motor 33 passes through the bottom end and is positioned in the groove 30 and is fixedly connected with one end of the rotating screw rod 31, and runs through the servo motor 33, thereby enabling the rotating screw rod 31 to rotate in the groove 30 and providing the driving force for the supporting sleeve 32, and because the supporting sleeve 32 is limited by the groove 30, and then drive support column 3 and carry out synchronous motion, realize carrying out the effect that removes the detection to detecting head 5.
The working principle is as follows: when detecting the flexible line board, through rotating motor 25 operation, and then adjust two distances of pressing from both sides between the frame 18, place the flexible line board on two press from both sides tight frame 18, and through two miniature push rods 28 operations, and then make two clamp plates 29 carry out the tight effect of clamp to the both ends of flexible line board respectively, and detect through detecting head 5, detect simultaneously head 5 and can also pass through under servo motor 33's the drive, move the effect that detects along the flexible line board, and through driving motor 20 operation, and then make the flexible line board remove the cooperation and detect the effect that head 5 carries out abundant detection, and detect when the flexible line board and accomplish the back, through rotating motor 22 operation, can realize that the flexible line board carries out the effect of stabilizing the upset.
In this application, the preferred Y80M1-2 model of driving motor 20, the preferred Y80M2-2 model of rotating electrical machines 22, the preferred U2 model of miniature push rod 28, the preferred ANT-52 model of electric putter, the preferred RJ090-E03520 model of servo motor 33, the circuit operation is current conventional circuit, the circuit and the control that relate to in the utility model are prior art, do not carry out too much repetition here.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a flexible line way board of high accuracy detects apparatus for producing, includes bottom plate (1), sets up two cylinders (2) and support column (3) on bottom plate (1), fixed mounting examine test table (4) and set up examining test head (5) examining test table (4) top at two cylinder (2) outputs, it is connected with backup pad (6) to rotate on support column (3), and detects that head (5) are connected its characterized in that with backup pad (6): the detection table (4) is provided with a supporting turnover part (7) which stably clamps and turns over the flexible circuit board and is convenient for the detection head (5) to detect;
and the bottom plate (1) is provided with an adjusting piece (8) for adjusting the detection position of the detection head (5).
2. The high-precision flexible circuit board detection production device according to claim 1, characterized in that: the supporting and overturning part (7) comprises a sliding chute (9) arranged on the detection table (4), a moving part (10) is arranged at the sliding chute (9), the output end of the moving part (10) is connected with a moving sleeve (11), and the moving sleeve (11) is connected to the detection table (4) in a sliding manner;
an electric push rod (12) is fixedly connected to the top end of the movable sleeve (11), a connecting plate (34) is fixedly connected to the output end of the electric push rod (12), a fixed block (13) is fixedly connected to the connecting plate (34), a rotating shaft (14) penetrates through the fixed block (13), the rotating shaft (14) is rotatably connected with the fixed block (13) through a bearing, a rotating piece (15) for driving the rotating shaft (14) is arranged at one end of the rotating shaft (14), and a positioning shell (16) is fixedly connected to the other end of the rotating shaft (14);
the positioning shell (16) is internally provided with a synchronous positioning part (17), the output end of the synchronous positioning part (17) is connected with two clamping frames (18), and the clamping frames (18) are provided with clamping parts (19) for clamping the flexible circuit board.
3. The high-precision flexible circuit board detection production device according to claim 2, characterized in that: the moving part (10) comprises a driving motor (20) fixedly connected to the outer side of the detection table (4), the output end of the driving motor (20) penetrates through the detection table (4) to be located in the sliding groove (9) and is fixedly connected with a driving screw rod (21), and the output end of the driving motor (20) is rotatably connected with the detection table (4);
the driving screw rod (21) is rotatably connected with the sliding groove (9), and the moving sleeve (11) is rotatably sleeved on the outer side of the driving screw rod (21).
4. The high-precision flexible circuit board detection production device according to claim 2, characterized in that: the rotating part (15) comprises a rotating motor (22) fixedly connected to a connecting plate (34), the output end of the rotating motor (22) is fixedly connected with a driving gear (23), the outer side of the driving gear (23) is meshed with a rotating gear (24), and the rotating gear (24) is fixedly sleeved on the outer side of a rotating shaft (14).
5. The high-precision flexible circuit board detection production device according to claim 2, characterized in that: synchronous positioning element (17) include rotation motor (25) of fixed connection in location shell (16) outside, and rotate one side fixedly connected with two-way threaded rod (26) that motor (25) output passed location shell (16), two-way threaded rod (26) are connected with location shell (16) inner wall rotation, it is connected with location shell (16) rotation to rotate motor (25) output, two-way threaded rod (26) outside threaded connection has two stop collar (27), two stop collar (27) slide run through location shell (16) and with press from both sides tight frame (18) fixed connection.
6. The high-precision flexible circuit board detection production device according to claim 2, characterized in that: the clamping part (19) comprises a micro push rod (28) fixedly connected to the top end of the clamping frame (18), the output end of the micro push rod (28) penetrates through the top end of the clamping frame (18) and is fixedly connected with a clamping plate (29), and the output end of the micro push rod (28) is connected with the clamping frame (18) in a sliding mode.
7. The high-precision flexible circuit board detection production device according to claim 1, characterized in that: adjusting part (8) is including setting up recess (30) on bottom plate (1) and being located support column (3) bottom, recess (30) internal rotation is connected with rotation lead screw (31), it has cup jointed support cover (32) to rotate lead screw (31) outside rotation, and supports cover (32) and slide and run through recess (30), support column (3) fixed connection is on supporting cover (32), bottom plate (1) outside fixedly connected with servo motor (33), and servo motor (33) output pass the bottom be located recess (30) inside and with the one end fixed connection who rotates lead screw (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021861899.3U CN213210362U (en) | 2020-08-31 | 2020-08-31 | High-precision flexible circuit board detection production device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021861899.3U CN213210362U (en) | 2020-08-31 | 2020-08-31 | High-precision flexible circuit board detection production device |
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| Publication Number | Publication Date |
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| CN213210362U true CN213210362U (en) | 2021-05-14 |
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| CN202021861899.3U Expired - Fee Related CN213210362U (en) | 2020-08-31 | 2020-08-31 | High-precision flexible circuit board detection production device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766749A (en) * | 2021-09-24 | 2021-12-07 | 福莱盈电子股份有限公司 | Flexible line way board production fixing device |
| CN113823579A (en) * | 2021-11-19 | 2021-12-21 | 杭州中欣晶圆半导体股份有限公司 | Silicon chip surface gap detection device |
| CN114779055A (en) * | 2022-06-20 | 2022-07-22 | 西安交通大学城市学院 | Automatic check out test set of electrical control board |
| CN115015740A (en) * | 2022-06-28 | 2022-09-06 | 东莞市黄江大顺电子有限公司 | Auxiliary positioning device for circuit board testing machine |
| CN115655917A (en) * | 2022-10-12 | 2023-01-31 | 常州博安和达电器有限公司 | Flexible circuit board quality detection device |
| CN116123981A (en) * | 2023-04-17 | 2023-05-16 | 常州固堡电子有限公司 | Soft circuit board blind hole detection device and detection method |
| CN116183632A (en) * | 2023-04-24 | 2023-05-30 | 常州市武进三维电子有限公司 | Soft circuit board blind hole detection device for new energy automobile |
| CN116559635A (en) * | 2023-07-11 | 2023-08-08 | 深圳市常丰激光刀模有限公司 | Universal test die and method for printed circuit board |
-
2020
- 2020-08-31 CN CN202021861899.3U patent/CN213210362U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766749A (en) * | 2021-09-24 | 2021-12-07 | 福莱盈电子股份有限公司 | Flexible line way board production fixing device |
| CN113823579A (en) * | 2021-11-19 | 2021-12-21 | 杭州中欣晶圆半导体股份有限公司 | Silicon chip surface gap detection device |
| CN113823579B (en) * | 2021-11-19 | 2023-11-17 | 杭州中欣晶圆半导体股份有限公司 | Silicon wafer surface notch detection device |
| CN114779055A (en) * | 2022-06-20 | 2022-07-22 | 西安交通大学城市学院 | Automatic check out test set of electrical control board |
| CN115015740A (en) * | 2022-06-28 | 2022-09-06 | 东莞市黄江大顺电子有限公司 | Auxiliary positioning device for circuit board testing machine |
| CN115655917A (en) * | 2022-10-12 | 2023-01-31 | 常州博安和达电器有限公司 | Flexible circuit board quality detection device |
| CN116123981A (en) * | 2023-04-17 | 2023-05-16 | 常州固堡电子有限公司 | Soft circuit board blind hole detection device and detection method |
| CN116183632A (en) * | 2023-04-24 | 2023-05-30 | 常州市武进三维电子有限公司 | Soft circuit board blind hole detection device for new energy automobile |
| CN116559635A (en) * | 2023-07-11 | 2023-08-08 | 深圳市常丰激光刀模有限公司 | Universal test die and method for printed circuit board |
| CN116559635B (en) * | 2023-07-11 | 2023-09-12 | 深圳市常丰激光刀模有限公司 | Universal test die and method for printed circuit board |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |