CN219016499U - Testing device for printed circuit board - Google Patents
Testing device for printed circuit board Download PDFInfo
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- CN219016499U CN219016499U CN202222300024.1U CN202222300024U CN219016499U CN 219016499 U CN219016499 U CN 219016499U CN 202222300024 U CN202222300024 U CN 202222300024U CN 219016499 U CN219016499 U CN 219016499U
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- circuit board
- printed circuit
- fixedly connected
- workbench
- supporting box
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Abstract
The utility model discloses a testing device for a printed circuit board, which belongs to the technical field of circuit board production equipment and comprises a supporting box and a workbench for supporting the printed circuit board, wherein a connecting block fixedly connected with the workbench is connected in a sliding manner in the supporting box, two circuit board fixing plates for fixing the printed circuit board are movably connected to the surface of the workbench, a fixing box is fixedly connected to the surface of the supporting box, a driving motor is installed in the fixing box, a movable screw is fixedly connected to the output end of the driving motor, a movable rod is connected to the outer wall of the movable screw through threads, a mounting plate is fixedly connected to the surface of the movable rod, an electric telescopic rod is installed on the surface of the mounting plate, and a cleaning plate is installed at the bottom of a driving rod of the electric telescopic rod. The testing device of the printed circuit board can enable components which are not firmly welded or are in false welding to be in off-welding, and has good effect of detecting the false welding of the printed circuit board and high detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of circuit board production equipment, and particularly relates to a testing device for a printed circuit board.
Background
Printed circuit boards are an essential component in electronic devices where electrical and mechanical dual connectivity is achieved. Testing is extremely important in printed circuit board production, and if the product has problems, serious consequences can be caused in future use, problems can be found as soon as possible, and a lot of unnecessary losses can be avoided.
A cold joint is a common type of line fault that causes electronic equipment to fail, in an unstable state that is not open when time is passed. The false soldering is caused by poor soldering quality, abnormal working of the circuit caused by improper production process in the production process, unstable phenomenon of good and bad appearance, increased noise and no regularity, and great hidden trouble is brought to debugging, use and maintenance of the circuit.
The conventional circuit board test generally uses a visual inspection method or a one-by-one shaking detection method to judge whether the welding spots are in cold joint or not, so that the detection is inaccurate, the test effect is poor, and the detection efficiency is low.
Disclosure of Invention
The present utility model is directed to a testing device for a printed circuit board, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a testing arrangement of printed circuit board, includes the supporting box and is used for carrying out the workstation that supports to printed circuit board, sliding connection has the connecting block with workstation fixed connection in the supporting box, the surface swing joint of workstation has two circuit board fixed plates that are used for carrying out fixed to printed circuit board, the fixed box of fixed surface fixedly connected with of supporting box, install driving motor in the fixed box, driving motor's output fixedly connected with removal screw rod, the outer wall threaded connection of removal screw rod has the movable rod, the fixed surface of movable rod is connected with the mounting panel, the surface mounting of mounting panel has electric telescopic handle, and the bottom mounting of electric telescopic handle's actuating lever has the cleaning plate.
In a further embodiment, a rotating motor is mounted on the bottom wall of the inner cavity of the supporting box, and a fixed disc is fixedly connected to the top of an output shaft of the rotating motor.
In a further embodiment, the surface of the fixed disc is fixedly connected with a locating pin, the outer part of the locating pin is rotationally connected with a push-pull rod, and one end of the push-pull rod, which is far away from the locating pin, is rotationally connected with a mounting seat fixedly connected with the connecting block.
In a further embodiment, the workbench is rotationally connected with an adjusting shaft, two groups of thread grooves with opposite directions are symmetrically formed in the outer wall of the adjusting shaft, and moving blocks fixedly connected with the circuit board fixing plate are connected with the outer threads of the two groups of thread grooves in the outer wall of the adjusting shaft.
In a further embodiment, one end of the adjusting shaft extends out of the workbench, and the end face of the adjusting shaft, which is located outside the workbench, is fixedly connected with a turntable.
In a further embodiment, the bottom of the mounting plate is fixedly connected with a support column, a rotating groove is formed in the bottom of the support column, and a ball is rotationally connected to the rotating groove at the bottom of the support column.
The utility model has the technical effects and advantages that:
according to the testing device for the printed circuit board, the printed circuit board is fixed on the surface of the workbench, the rotating motor drives the fixed disc and the locating pin to rotate, the locating pin pulls the connecting block and the workbench to move back and forth on the surface of the supporting box through the push-pull rod, so that the workbench generates high-frequency vibration, the high-frequency vibration generated by the workbench is transmitted to the printed circuit board, when the virtual welding and false welding components exist on the printed circuit board, the high-frequency vibration can damage welding points of the virtual welding and false welding components on the printed circuit board, so that welding is unstable or the virtual welding and false welding of the printed circuit board are avoided in the vibration process of the components; the driving mechanism drives the movable screw to rotate, the movable screw drives the mounting plate and the cleaning plate to move through the movable rod, the cleaning plate brushes and sweeps the printed circuit board, and the components which are not firmly welded or are in false welding are slightly brushed to be off-welded in cooperation with the vibration action, so that the false welding effect of detecting the false welding of the printed circuit board is further improved; through carousel rotation governing axle, the governing axle moves through movable block drive circuit board fixed plate, according to the size of printed circuit board, adjusts the distance between two circuit board fixed plates to can fix the printed circuit board of different specifications, this printed circuit board's testing arrangement can make the welding infirm or the components and parts of false welding unweld, detects the printed circuit board false welding effectual, detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the junction of the support box and the table of the present utility model;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 1 in accordance with the present utility model;
fig. 4 is a cross-sectional view of the connection of the travel bar, mounting plate and support post of the present utility model.
In the figure: 1. a supporting box; 11. a protection plate; 2. a rotating electric machine; 21. a fixed plate; 22. a positioning pin; 23. a push-pull rod; 24. a mounting base; 25. a connecting block; 3. a work table; 31. an adjusting shaft; 32. a turntable; 33. a moving block; 34. a circuit board fixing plate; 4. a fixed box; 41. a driving motor; 42. moving the screw; 43. a moving rod; 44. a mounting plate; 45. an electric telescopic rod; 46. a cleaning plate; 47. a support column; 48. and (3) rolling balls.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
In order to preliminarily detect the false soldering of the printed circuit board, as shown in fig. 1 and 2, a rotating motor 2 is arranged on the bottom wall of the inner cavity of a supporting box 1 through bolts, a fixed disc 21 is fixedly welded at the top of an output shaft of the rotating motor 2, a positioning pin 22 is fixedly welded on the surface of the fixed disc 21, the positioning pin 22 is close to the edge position of the fixed disc 21, a push-pull rod 23 is rotatably connected with the outer part of the positioning pin 22 through a welded bearing, one end of the push-pull rod 23 far away from the positioning pin 22 is rotatably connected with a mounting seat 24, one side of the mounting seat 24 is fixedly connected with a connecting block 25 through bolts, a moving groove for the connecting block 25 to move is formed on the surface of the supporting box 1, a workbench 3 for supporting the printed circuit board is fixedly welded at the top of the connecting block 25, the through groove is formed in the outer wall of one side of the supporting box 1, the protection plate 11 is fixedly connected in the through groove of the supporting box 1 through bolts, the detachable protection plate 11 is convenient to maintain equipment in the supporting box 1, the rotating motor 2 drives the fixed disc 21 and the positioning pin 22 to rotate through fixing the printed circuit board on the surface of the workbench 3, the positioning pin 22 pulls the connecting block 25 and the workbench 3 to move back and forth on the surface of the supporting box 1 through the push-pull rod 23, the workbench 3 generates high-frequency vibration, the high-frequency vibration generated by the workbench 3 is transmitted to the printed circuit board, and when the virtual welding and the virtual welding components exist on the printed circuit board, the high-frequency vibration can generate a destructive effect on the welding spots of the virtual welding and the virtual welding components on the printed circuit board, so that welding is unstable or the virtual welding is off in the middle of the vibration process of the components.
In order to be able to effectively fix the printed circuit board of different sizes, as shown in fig. 1 and 2, the bearing through the welding rotates in the workstation 3 is connected with the regulating spindle 31, two sets of thread grooves with opposite trend are symmetrically provided on the outer wall of the regulating spindle 31, and two sets of thread grooves of the outer wall of the regulating spindle 31 are all in threaded connection with the movable block 33, the through groove for the movable block 33 to move is provided on the surface of the workstation 3, and the surface of the movable block 33 is fixedly connected with the circuit board fixing plate 34 through the bolts, the rubber protection pads are adhered to the opposite surfaces of the two circuit board fixing plates 34, damage to the printed circuit board can be avoided when the printed circuit board is clamped and fixed, one end of the regulating spindle 31 extends to the outside of the workstation 3, the end face of the regulating spindle 31, which is located outside the workstation 3, is fixedly welded with the turntable 32, threaded holes are provided on the turntable 32, the threaded holes of the turntable 32 are in threaded connection with the positioning bolts, the positioning bolts are screwed down, the position of the turntable 32 can be fixed, the position of the turntable 32 is avoided, the printed circuit board is loose due to rotation caused, the fact that the printed circuit board is rotated, the two circuit boards are driven by the rotating the turntable 32, and the two circuit board fixing plates are not fixed by the size of the movable board through the turntable 31, and the two circuit board fixing plates 34 can be adjusted according to the size of the circuit board fixing plate 34.
In order to further improve the effect of detecting the false soldering of the printed circuit board, as shown in fig. 1, fig. 3 and fig. 4, the surface of the supporting box 1 is fixedly connected with the fixed box 4 through bolts, the driving motor 41 is installed in the fixed box 4, the output end of the driving motor 41 is fixedly connected with the movable screw rod 42 through a shaft coupling, the outer wall of the movable screw rod 42 is in threaded connection with the movable rod 43, the surface of the fixed box 4 is provided with a guide groove for the movable rod 43 to move, the surface of the movable rod 43 is fixedly connected with the mounting plate 44 through bolts, the surface of the mounting plate 44 is provided with the electric telescopic rod 45 through bolts, the bottom of the driving rod of the electric telescopic rod 45 is provided with the cleaning plate 46 through bolts, the size of the cleaning plate 46 can be selected according to the size of the printed circuit board, the bottom of the cleaning plate 46 is provided with the brush, the soft hardness degree of the brush can be selected according to the actual use requirement, the bottom of the supporting plate 47 can support the mounting plate 44, the stability of the mounting plate 44 in the moving process is ensured, the bottom of the supporting column 47 is provided with the rotating groove, and the rotating groove is in the rotating groove at the bottom of the supporting column 47, the rotating groove 48 is in the bottom of the supporting column, the supporting rod 1 is provided with the ball bearing groove 48, the ball joint 48 for the cleaning device is driven by the supporting the surface of the supporting box 1 to move the cleaning plate, the cleaning plate 46 is driven by the cleaning plate and the cleaning plate 46 or the cleaning plate is driven by the cleaning plate, the cleaning plate 46, the surface of the cleaning plate is driven by the cleaning plate and the cleaning plate 46, the cleaning device is driven by the cleaning device and the surface of the cleaning device and the cleaning device is driven by the cleaning device and the cleaning device and the surface of the cleaning plate 46.
Working principle:
when the testing device for the printed circuit board is used, the printed circuit board is placed on the surface of the workbench 3, at the moment, two circuit board fixing plates 34 are positioned on two sides of the printed circuit board, the adjusting shaft 31 is rotated through the turntable 32, the adjusting shaft 31 drives the circuit board fixing plates 34 to move in opposite directions through the moving block 33, the two circuit board fixing plates 34 are respectively attached to two sides of the printed circuit board, the position of the printed circuit board is fixed, positioning bolts on the turntable 32 are screwed, and the position of the turntable 32 is fixed;
starting a rotating motor 2, wherein the rotating motor 2 drives a fixed disc 21 and a positioning pin 22 to rotate, and the positioning pin 22 pulls a connecting block 25 and a workbench 3 to move back and forth on the surface of a supporting box 1 through a push-pull rod 23, so that the workbench 3 generates high-frequency vibration and transmits the high-frequency vibration generated by the workbench 3 to a printed circuit board;
the electric telescopic rod 45 is started to drive the cleaning plate 46 to descend, so that a brush at the bottom of the cleaning plate 46 is in contact with the printed circuit board, the driving motor 41 is started again, the driving mechanism drives the movable screw 42 to rotate positively and negatively, the movable screw 42 drives the mounting plate 44 and the cleaning plate 46 to move back and forth on the surface of the printed circuit board through the movable rod 43, the printed circuit board is brushed through the brush at the bottom of the cleaning plate 46, and the components which are not firmly welded or are subjected to false welding are slightly brushed to be subjected to desoldering in cooperation with the vibration effect, so that the false welding effect of the detected printed circuit board is further improved.
Finally, it should be noted that: the foregoing is merely preferred and is not intended to limit the utility model.
Claims (6)
1. The utility model provides a testing arrangement of printed circuit board, includes supporting box (1) and is used for carrying out workstation (3) that support printed circuit board, its characterized in that: the utility model discloses a cleaning device for a printed circuit board, including supporting box (1), connecting block (25) of sliding connection with workstation (3), the surface swing joint of workstation (3) has two circuit board fixed plates (34) that are used for carrying out fixedly to the printed circuit board, the fixed box (4) of fixed fixedly connected with of surface of supporting box (1), install driving motor (41) in fixed box (4), the output fixedly connected with of driving motor (41) removes screw rod (42), the outer wall threaded connection of removing screw rod (42) has movable rod (43), the surface fixedly connected with mounting panel (44) of movable rod (43), the surface mounting of mounting panel (44) has electric telescopic handle (45), and cleaning plate (46) are installed to the bottom of the actuating lever of electric telescopic handle (45).
2. A test apparatus for a printed circuit board as defined in claim 1, wherein: the bottom wall of the inner cavity of the supporting box (1) is provided with a rotating motor (2), and the top of an output shaft of the rotating motor (2) is fixedly connected with a fixed disc (21).
3. A testing device for printed circuit boards according to claim 2, wherein: the surface of the fixed disc (21) is fixedly connected with a locating pin (22), the outside of the locating pin (22) is rotationally connected with a push-pull rod (23), and one end of the push-pull rod (23) away from the locating pin (22) is rotationally connected with a mounting seat (24) fixedly connected with a connecting block (25).
4. A test apparatus for a printed circuit board as defined in claim 1, wherein: the workbench (3) is rotationally connected with an adjusting shaft (31), two groups of thread grooves with opposite directions are symmetrically formed in the outer wall of the adjusting shaft (31), and moving blocks (33) fixedly connected with a circuit board fixing plate (34) are connected with the outer threads of the two groups of thread grooves in the outer wall of the adjusting shaft (31).
5. The device for testing a printed circuit board as defined in claim 4, wherein: one end of the adjusting shaft (31) extends out of the workbench (3), and the end face of the adjusting shaft (31) positioned outside the workbench (3) is fixedly connected with a rotary table (32).
6. A test apparatus for a printed circuit board as defined in claim 1, wherein: the bottom of mounting panel (44) fixedly connected with support column (47), the rotation groove has been seted up to the bottom of support column (47), and the rotation groove rotation of support column (47) bottom is connected with ball (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300024.1U CN219016499U (en) | 2022-08-31 | 2022-08-31 | Testing device for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300024.1U CN219016499U (en) | 2022-08-31 | 2022-08-31 | Testing device for printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219016499U true CN219016499U (en) | 2023-05-12 |
Family
ID=86243168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222300024.1U Active CN219016499U (en) | 2022-08-31 | 2022-08-31 | Testing device for printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219016499U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116456606A (en) * | 2023-06-15 | 2023-07-18 | 江油星联电子科技有限公司 | Fixing device for printed circuit board production |
| CN116953482A (en) * | 2023-07-31 | 2023-10-27 | 深圳市福佳电器有限公司 | Power supply circuit board test equipment |
| CN117388161A (en) * | 2023-12-06 | 2024-01-12 | 深圳市格瑞斯自动化有限公司 | High-density circuit board detection device |
| CN116953482B8 (en) * | 2023-07-31 | 2024-06-04 | 惠州市福佳电器科技有限公司 | Power supply circuit board test equipment |
-
2022
- 2022-08-31 CN CN202222300024.1U patent/CN219016499U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116456606A (en) * | 2023-06-15 | 2023-07-18 | 江油星联电子科技有限公司 | Fixing device for printed circuit board production |
| CN116953482A (en) * | 2023-07-31 | 2023-10-27 | 深圳市福佳电器有限公司 | Power supply circuit board test equipment |
| CN116953482B (en) * | 2023-07-31 | 2024-05-17 | 恵州市福佳电器科技有限公司 | Power supply circuit board test equipment |
| CN116953482B8 (en) * | 2023-07-31 | 2024-06-04 | 惠州市福佳电器科技有限公司 | Power supply circuit board test equipment |
| CN117388161A (en) * | 2023-12-06 | 2024-01-12 | 深圳市格瑞斯自动化有限公司 | High-density circuit board detection device |
| CN117388161B (en) * | 2023-12-06 | 2024-03-01 | 深圳市格瑞斯自动化有限公司 | High-density circuit board detection device |
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