CN216595400U - Circuit board testing device - Google Patents
Circuit board testing device Download PDFInfo
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- CN216595400U CN216595400U CN202122812148.3U CN202122812148U CN216595400U CN 216595400 U CN216595400 U CN 216595400U CN 202122812148 U CN202122812148 U CN 202122812148U CN 216595400 U CN216595400 U CN 216595400U
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- circuit board
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- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000001514 detection method Methods 0.000 claims abstract description 73
- 239000000523 sample Substances 0.000 claims abstract description 33
- 230000003028 elevating effect Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model provides a circuit board testing device, which comprises a base, a lower detection plate, a lifting platform and an upper detection plate, wherein the lower detection plate is elastically connected to the top surface of the base, the lifting platform is connected to the base and used for driving the upper detection plate to linearly move in the vertical direction, the base is connected with a plurality of test probes, the lower detection plate is provided with abdicating through holes corresponding to the test probes, the test probes extend upwards from the abdicating through holes when the lower detection plate is pressed to a detection position state by the upper detection plate, four corners of the lower detection plate are respectively provided with a positioning mechanism, the positioning mechanism comprises a positioning pin and a limiting block, the positioning pin is quickly connected with the connecting holes of the circuit board for positioning and limits the horizontal movement of the circuit board by the limiting block, when the upper detection plate is pressed and fixes the circuit board, the circuit board is reliably limited without displacement, and the test probes extend out of the abdicating through holes as the lower detection plate moves downwards, the probe is contacted with a point to be tested of the circuit board, so that the butting precision of the test probe and the circuit board is improved, and the test quality is improved.
Description
Technical Field
The utility model belongs to the technical field of test tools, and particularly relates to a circuit board test device.
Background
The circuit board test is one of the important production links of the circuit board, and determines the quality reliability of the circuit board production. The limit connection of the circuit board in the current circuit board test is unreliable, and the accuracy of the butt joint position when the test probe is used for testing can be ensured by often manually adjusting the position of the circuit board on the test bench for multiple times; the accuracy of the interface between the test probe and the circuit board often determines the quality and accuracy of the circuit board test.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a circuit board testing device which is mainly used for solving the problems that the circuit board testing is inconvenient and unreliable in positioning, the testing probe is not accurately butted with the circuit board and the like in the prior art.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a circuit board testing device which comprises a base, a lower detection plate, a lifting table and an upper detection plate, wherein the lower detection plate is elastically connected to the top surface of the base, the lifting table is connected to the base and used for driving the upper detection plate to linearly move in the vertical direction, the base is connected with a plurality of testing probes, the lower detection plate is provided with abdicating through holes corresponding to the testing probes, the testing probes extend upwards from the abdicating through holes when the lower detection plate is pressed to a detection position by the upper detection plate, four corners of the lower detection plate are respectively provided with a positioning mechanism, each positioning mechanism comprises a positioning pin and a limiting block, the positioning pins are inserted into connecting holes of the circuit board, and the limiting blocks are in limiting connection with the circuit board.
Furthermore, the positioning mechanism at each corner comprises two limiting blocks, and the limiting blocks are in limiting connection with the side wall surfaces of the circuit board.
Further, the lower detection plate is connected with the base through a spring limiting part, the spring limiting part comprises a spring part and a limiting rod, the spring part is sleeved on the limiting rod, the lower detection plate is provided with a limiting through hole, the limiting rod is connected with the base and is in limiting connection with the limiting through hole, one end of the spring part is connected with the base, and the other end of the spring part is connected with the lower detection plate.
Furthermore, the upper detection plate is connected with a plurality of support columns, the support columns are arranged below the upper detection plate, and the support columns are used for abutting against a circuit board fixed on the lower detection plate when the upper detection plate moves downwards.
Furthermore, a containing bin is arranged in the base, and an opening communicated with the containing bin is formed in the base.
Further, the elevating platform includes link, pull rod, slide rail seat and slide bar, the link is fixed in the base, the slide rail seat is fixed in the link, pull rod one end with the slide rail seat is articulated, the other end with the top of slide bar is articulated, the slide rail seat is equipped with the spacing lantern ring, slide bar sliding connection in the spacing lantern ring, and the direction of sliding are the vertical direction, the bottom of slide bar with go up the pick-up plate and connect.
Further, the pull rod is an L-shaped pull rod.
Further, the detection device further comprises a limiting assembly, wherein the limiting assembly comprises a limiting sleeve and a limiting connecting rod, the top end of the limiting connecting rod is fixed to the connecting frame, the limiting sleeve is fixed to the upper detection plate, and the limiting connecting rod is connected to the limiting sleeve in a sliding mode.
The circuit board testing device further comprises a control module and an indication module, wherein the control module is respectively connected with the testing probe and the indication module, the control module is used for judging the testing result of the circuit board, and the indication module is used for making corresponding light indication according to the testing result.
Compared with the prior art, the utility model has the beneficial effects that:
the four corners of the lower detection plate are respectively provided with a positioning pin and a limiting block, the positioning pins are quickly connected with the connecting holes of the circuit board for positioning, the limiting blocks limit the horizontal movement of the circuit board, when the upper detection plate presses and fixes the circuit board, the circuit board is reliably limited without displacement, and along with the downward movement of the lower detection plate, the test probes extend out of the abdicating through holes and contact with points to be tested of the circuit board, so that the butting precision of the test probes and the circuit board is improved, and the test quality is improved.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic diagram of an overall structure of a circuit board testing apparatus according to the present invention.
FIG. 2 is a schematic view of the structure of the lower detection plate fixed to the base in the present invention.
Fig. 3 is a front view of the structure of fig. 2.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
Referring to fig. 1 to 3, in the present embodiment, there is disclosed a circuit board testing apparatus including a base 10, a lower detection plate 20, a lifting table 30 and an upper detection plate 40, the lower detection plate 20 being elastically connected to a top surface of the base 10, the lower detection plate 20 being movable in a vertical direction with respect to the base 10 by an external force, and the lower detection plate 20 being naturally located at a height away from the top surface of the base 10 by the elastic force; the lifting platform 30 is connected to the base 10 and used for driving the upper detection plate 40 to do linear movement in the vertical direction, and the lifting platform 30 can be driven to lift by manpower or by electric power or magnetic force; the base 10 is connected with a plurality of test probes, the free end of test probe up, lower pick-up plate 20 is equipped with the through-hole 21 of stepping down that corresponds with test probe, test probe upwards stretches out from the through-hole 21 of stepping down when lower pick-up plate 20 is being pushed down to detecting the position state by last pick-up plate 40, the four corners department of lower pick-up plate 20 is equipped with positioning mechanism 12 respectively, positioning mechanism 12 includes locating pin 13 and stopper 14, locating pin 13 inserts the connecting hole of locating the circuit board, stopper 14 and circuit board are spacing to be connected.
It should be noted that the lower detection plate 20 has two states, one is a natural state, and the other is a detection position state, in the natural state, the circuit board is firstly placed above the lower detection plate 20, and is clamped into the positioning pin 13 by using the connecting holes at the four corners of the circuit board, after the circuit board is clamped in place, the limiting block 14 limits the horizontal displacement of the circuit board, and then the lifting table 30 is controlled to press the upper detection plate 40 downwards and push the lower detection plate 20 to move downwards to the detection position state, at this time, the test probes extend out of the abdicating through holes 21 of the lower detection plate 20 and contact with points to be detected of the circuit board, so that the butting precision of the test probes and the circuit board is improved, and the test quality is improved.
As an embodiment, the lower detection plate 20 is a square-like plate structure, and includes four corners, the positioning mechanism 12 at each corner includes two limiting blocks 14, and the limiting blocks 14 are in limiting connection with the side wall surfaces of the circuit board, so as to prevent the circuit board from horizontal displacement and also prevent the circuit board from tilting.
In this embodiment, the lower detection plate 20 is connected to the base 10 through the spring limiting member 15, the spring limiting member 15 includes a spring element and a limiting rod, the spring element is sleeved on the limiting rod, the lower detection plate 20 is provided with a limiting through hole 22, the limiting rod is connected to the base 10 and is in limiting connection with the limiting through hole 22, one end of the spring element is connected to the base 10, and the other end of the spring element is connected to the lower detection plate 20, and in a natural state, the spring element supports the lower detection plate 20, so that the test probes are under or in the abdicating through holes 21 of the lower detection plate 20, and in short, the top ends of the test probes do not exceed the top surface of the lower detection plate 20; when the lower detection plate 20 is pressed, the lower detection plate 20 compresses the spring part, the distance between the lower detection plate 20 and the top surface of the base 10 is shortened along with the compression of the spring part, the test probes extend out of the abdicating through holes 21, and the limiting rod limits the displacement direction of the lower detection plate 20 in the up-and-down movement; after the test is finished, the lifting platform 30 controls the upper detection plate 40 to move upwards, and the lower detection plate 20 is driven by the spring part to recover the natural state, so that the lower detection plate 20 has an automatic recovery function, and the test probes can be protected from being damaged by other articles in the natural state.
In one embodiment, the upper detecting plate 40 is connected to a plurality of supporting columns 41, the supporting columns 41 are disposed below the upper detecting plate 40, and when the upper detecting plate 40 moves downward, the supporting columns 41 abut against the circuit board fixed to the lower detecting plate 20, and since the circuit board is provided with various elements having different heights, if the upper detecting plate 40 abuts against the circuit board, there is a possibility that the force is not uniformly applied, and therefore, the supporting columns 41 are all abutted against the main board of the circuit board by the supporting columns 41 whose positions are set, and the same force-applying surface is used, thereby improving the stability.
Additionally, a containing bin 16 is arranged in the base 10, the base 10 is provided with an opening 17 communicated with the containing bin 16, and the opening 17 arranged on the wall surface can extend into the containing bin 16 for operations such as fixing, maintaining, replacing and the like.
In the present embodiment, the lifting platform 30 includes a connecting frame 31, a pull rod 32, a slide rail seat 33 and a slide bar 34, the connecting frame 31 is fixed to the base 10, the slide rail seat 33 is fixed to the connecting frame 31, more specifically, the connecting frame 31 includes two vertical plates and a transverse plate, the two vertical plates are vertically fixed on the base 10, the transverse plate is connected between the two vertical plates, and the slide rail seat 33 is fixed at the vertical surface of the transverse plate;
one end of the pull rod 32 is hinged with the slide rail seat 33, the other end of the pull rod is hinged with the top end of the slide rod 34, the slide rail seat 33 is provided with a limiting lantern ring 35, the slide rod 34 is connected with the limiting lantern ring 35 in a sliding mode, the sliding direction is vertical, and the bottom end of the slide rod 34 is connected with the upper detection plate 40; more specifically, the tie rod 32 is an L-shaped tie rod 32. When the hand-held pull rod 32 is lifted upwards, the sliding rod 34 is limited by the limiting lantern ring 35 and can only move upwards vertically, so that the upper detection plate 40 is driven to move upwards; when the hand-held pull rod 32 is pressed downwards, the slide rod 34 is limited by the limiting collar 35 and can only move downwards vertically, so that the upper detection plate 40 is driven to move downwards.
As an embodiment, the lifting platform further comprises a limiting component 36, the limiting component 36 comprises a limiting sleeve 37 and a limiting connecting rod 38, the limiting sleeve 37 and the limiting connecting rod 38 are configured in a whole set, one set may be provided, or a plurality of sets may be provided, the top end of the limiting connecting rod 38 is fixed to the connecting frame 31, the limiting sleeve 37 is fixed to the upper detection plate 40, the limiting connecting rod 38 is slidably connected to the limiting sleeve 37, the limiting sliding direction of the limiting sleeve 37 and the limiting sliding direction of the limiting connecting rod 38 are vertical and consistent with the moving direction of the upper detection plate 40, and a cylinder structure may be provided between the limiting sleeve 37 and the limiting connecting rod 38, and has a damping function, so as to optimize the transmission of the lifting platform 30.
In this embodiment, still include control module and indicating module, control module is connected with test probe, indicating module respectively, and test probe is connected with the circuit board, and control module tests the circuit board to judge the test result of circuit board, indicating module is used for making corresponding light according to the test result and instructs, if the test is qualified, indicating module shows green, if the test is unqualified, indicating module shows red, make things convenient for the operator to confirm the test result of current circuit board directly perceivedly through indicating module's demonstration colour.
In summary, compared with the prior art, the above-mentioned embodiments provide a circuit board testing apparatus, the positioning pins 13 and the limiting blocks 14 are respectively disposed at four corners of the lower detection plate 20, the positioning pins 13 are quickly connected to the connecting holes of the circuit board for positioning, and the limiting blocks 14 limit the horizontal movement of the circuit board, when the upper detection plate 40 presses down and fixes the circuit board, the circuit board is reliably limited without displacement, and along with the downward movement of the lower detection plate 20, the test probes extend out of the abdicating through holes 21 and contact with the points to be tested of the circuit board, so as to improve the butting precision of the test probes and the circuit board, and improve the testing quality.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a circuit board testing arrangement, its characterized in that, includes base, lower pick-up plate, elevating platform and last pick-up plate, lower pick-up plate elastic connection in the base top surface, the elevating platform connect in the base, and be used for the drive go up the pick-up plate and make the rectilinear movement of vertical direction, the pedestal connection has a plurality of test probes, down the pick-up plate be equipped with the through-hole of stepping down that test probe corresponds, work as the pick-up plate is receiving down go up the pick-up plate and push down to when detecting the position state test probe follows upwards stretch out in the through-hole of stepping down, the four corners department of lower pick-up plate is equipped with positioning mechanism respectively, positioning mechanism includes locating pin and stopper, the locating pin is inserted and is located the connecting hole of circuit board, the stopper with circuit board limit connection.
2. The device for testing the circuit board according to claim 1, wherein the positioning mechanism at each corner comprises two limiting blocks, and the limiting blocks are in limiting connection with the side wall surfaces of the circuit board.
3. The device for testing the circuit board as claimed in claim 2, wherein the lower detection board is connected with the base through a spring limiting member, the spring limiting member comprises a spring element and a limiting rod, the spring element is sleeved on the limiting rod, the lower detection board is provided with a limiting through hole, the limiting rod is connected with the base and is in limiting connection with the limiting through hole, one end of the spring element is connected with the base, and the other end of the spring element is connected with the lower detection board.
4. A circuit board testing device according to claim 3, wherein a plurality of support posts are attached to said upper test board, said support posts being disposed below said upper test board, said support posts being adapted to abut against a circuit board fixed to said lower test board when said upper test board is moved downward.
5. The device for testing the circuit board according to claim 4, wherein the base is provided with a containing bin therein, and the base is provided with an opening communicated with the containing bin.
6. The circuit board testing device according to any one of claims 1 to 5, wherein the lifting platform comprises a connecting frame, a pull rod, a slide rail seat and a slide rod, the connecting frame is fixed on the base, the slide rail seat is fixed on the connecting frame, one end of the pull rod is hinged to the slide rail seat, the other end of the pull rod is hinged to the top end of the slide rod, the slide rail seat is provided with a limiting sleeve ring, the slide rod is slidably connected to the limiting sleeve ring, the sliding direction is vertical, and the bottom end of the slide rod is connected with the upper detection plate.
7. The apparatus as claimed in claim 6, wherein the tie bar is an L-shaped tie bar.
8. The circuit board testing device according to claim 7, further comprising a limiting assembly, wherein the limiting assembly comprises a limiting sleeve and a limiting connecting rod, the top end of the limiting connecting rod is fixed to the connecting frame, the limiting sleeve is fixed to the upper detection plate, and the limiting connecting rod is slidably connected to the limiting sleeve.
9. The circuit board testing device according to claim 8, further comprising a control module and an indication module, wherein the control module is respectively connected with the testing probe and the indication module, the control module is used for judging a testing result of the circuit board, and the indication module is used for making a corresponding light indication according to the testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812148.3U CN216595400U (en) | 2021-11-16 | 2021-11-16 | Circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812148.3U CN216595400U (en) | 2021-11-16 | 2021-11-16 | Circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216595400U true CN216595400U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122812148.3U Active CN216595400U (en) | 2021-11-16 | 2021-11-16 | Circuit board testing device |
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| Country | Link |
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| CN (1) | CN216595400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673046A (en) * | 2024-01-31 | 2024-03-08 | 深圳市航瑞芯科技有限公司 | An integrated circuit package and detection device |
| CN117741409A (en) * | 2023-12-28 | 2024-03-22 | 苏州威尔菲特实业发展有限公司 | PCBA board testing arrangement with positioning mechanism with adjustable |
-
2021
- 2021-11-16 CN CN202122812148.3U patent/CN216595400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117741409A (en) * | 2023-12-28 | 2024-03-22 | 苏州威尔菲特实业发展有限公司 | PCBA board testing arrangement with positioning mechanism with adjustable |
| CN117673046A (en) * | 2024-01-31 | 2024-03-08 | 深圳市航瑞芯科技有限公司 | An integrated circuit package and detection device |
| CN117673046B (en) * | 2024-01-31 | 2024-05-14 | 深圳市航瑞芯科技有限公司 | Integrated circuit package detection device |
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