CN211603457U - PCBA's testing arrangement - Google Patents
PCBA's testing arrangement Download PDFInfo
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- CN211603457U CN211603457U CN202021821747.0U CN202021821747U CN211603457U CN 211603457 U CN211603457 U CN 211603457U CN 202021821747 U CN202021821747 U CN 202021821747U CN 211603457 U CN211603457 U CN 211603457U
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Abstract
The utility model provides a PCBA's testing arrangement, including pull rod, probe, slider round pin, splint, slider spring, spring holder, lifter plate, support guide post, lifting spring, locating plate, base. The locating plate passes through bolt and base and support guide rail post fastening connection, and supporting spring overlaps on support guide rail post, and the lifter plate overlaps on support guide rail post, installs spring holder and slider round pin on the lifter plate, and the slider spring housing is between spring holder and slider round pin, and the probe passes through and installs on the lifter plate with the screw after the splint is fixed, and the pull rod is even as an organic whole with two slider round pins, constitutes complete PCBA testing arrangement. The utility model discloses can convenient and fast's test PCBA, the simple and direct smoothness of operation to PCBA changes the convenience, is convenient for carry out the test work in batches.
Description
Technical Field
The utility model belongs to the technical field of PCBA's testing arrangement, especially, relate to batch PCBA testing arrangement.
Background
Present PCBA's testing arrangement has single structure, and it is inconvenient to change test PCBA in the testing process, and the probe is fixed through gluing more, if the later stage damages to change inconvenient scheduling problem, seriously influences efficiency of software testing and later maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel PCBA test structure scheme to it is inconvenient to change test PCBA in the solution testing process, changes inconvenient scheduling problem after the probe damages.
In order to realize the purpose of the utility model, the utility model discloses technical scheme as follows:
a PCBA testing device comprises a positioning module, a lifting module, a probe module and a locking module;
the positioning module comprises a base 12 at the bottom and a positioning plate 11 above the base 12; four corners of the positioning plate 11 are provided with 4 mounting holes, and the positioning plate 11 is positioned by the mounting holes and is clamped and fixed with the base 12;
the lifting module comprises 4 vertically arranged supporting guide rail columns 8 and 4 supporting springs 10 above a positioning plate 11 and a lifting plate 7 above the positioning plate 11; the 4 supporting guide rail columns 8 are connected with the 4 mounting holes of the positioning plate 11 in a sliding fit manner, the 4 supporting springs 10 are respectively sleeved on the 4 supporting guide rail columns 8 and compressed between the positioning plate 11 and the lifting plate 7, and the lifting plate 7 is provided with 4 positioning holes and sleeved on the supporting guide rail columns 8 through the positioning holes; each supporting guide rail column 8 is provided with a test positioning hole 13 and a height limiting positioning hole 14, and the height limiting positioning hole 14 is positioned above the test positioning hole 13;
the probe module comprises a clamping plate 4 and a probe 2 on the clamping plate 4, the probe 2 is clamped by the clamping plate 4 and is positioned through a hole position on the clamping plate 4, the clamping plate 4 is fixedly arranged on a lifting plate 7, and the position of the probe 2 corresponds to the position of a probe point of the PCBA;
the locking module comprises a spring seat 6, a slider spring 5, a slider pin 3 and a pull rod 1; the spring seat 6 and the slider pin 3 are fixed on the lifting plate 7, the slider spring 5 is sleeved on the spring seat 6, the slider pin 3 is sleeved on the slider spring 5, the slider spring 5 is compressed between the spring seat 6 and the slider pin 3, the pull rod 1 is fixedly connected above the slider pin 3 and is vertical to the slider pin 3, the slider pin 3 is arranged right opposite to the support guide rail column 8, a pin 31 of the slider pin 3 is matched with a test positioning hole 13 and a height limiting positioning hole 14 of the support guide rail column 8 in size, when the testing device is in a testing mode, the position of the pin 31 corresponds to the test positioning hole 13, and the pin 31 is inserted into the test positioning hole 13 under the action of the slider spring 5; when the testing device is in the open-close mode, the position of the slide block pin 3 corresponds to the height-limiting positioning hole 14, and the pin 31 is inserted into the height-limiting positioning hole under the action of the slide block spring 5.
Preferably, the probes 2 include 5 gold-plated tip probes and 10 gold-plated quincuncial tip probes.
As the preferred mode, the middle part of locating plate 11 is equipped with the PCBA constant head tank, improves test positioning accuracy and reliability.
Preferably, the base 12 has mounting holes through which it is mounted on a test table. Can be conveniently applied to each production test scene.
Preferably, the positioning plate 11 is fixed to the base 12 by screws.
Preferably, the clamp plate 4 is mounted to the lifting plate 7 by screws.
Preferably, the spring seat 6 is attached to the lifter plate 7 by a screw.
Preferably, the slider pin 3 is attached to the lifter plate 7 by a screw.
The utility model discloses a theory of operation does: in the preparation stage, the pull rod is pulled forwards horizontally, the pull rod drives the slider pin to move, the slider spring is compressed, the pin of the slider pin is separated from the test positioning hole, and the lifting module can be pushed to rise under the driving of elastic potential energy of the supporting spring; when the testing device is in an opening and closing mode, the lifting module can be continuously lifted by continuously pulling the pull rod upwards, the pull rod is stopped to be pulled when the lifting module is lifted to the set height limiting positioning hole, the elastic potential energy of the slider spring is released to push the slider pin to move, the pin of the slider pin is inserted into the height limiting positioning hole, and the lifting module is stopped; when the test mode is adopted, after the PCBA is placed, the pull rod is pulled forwards horizontally, the pull rod drives the slider pin to move, the slider spring is compressed, the pin of the slider pin is separated from the height-limiting positioning hole, the pull rod is pressed downwards to drive the lifting module to move downwards, when the lifting module moves to the set test positioning hole, the pull rod is stopped being pressed downwards, the elastic potential energy of the slider spring is released, the slider pin is pushed to move, the pin of the slider pin is inserted into the test positioning hole, the lifting module stops, and the test probe is in contact with the detection point; after the test is finished, the pull rod is horizontally pulled again, the pull rod drives the slider pin to move, the slider spring is compressed, the lifting module pushes the lifting module to rise under the driving of the elastic potential energy of the supporting spring, and the test device is in an opening and closing mode, so that the PCBA can be replaced; when the probe is damaged, the probe can be replaced only by unscrewing the mounting screw of the probe module and loosening the clamping plate.
As can be seen from the above description, the present invention has the following advantages: (1) in the testing process, the lifting module can be automatically bounced by pulling the pull rod, and after the PCBA is placed in the test device, the lifting module can be automatically locked only by pressing down to a testing position; after the test is finished, the pull rod is pulled, and the lifting module is bounced, so that the PCBA can be replaced, and the PCBA is convenient to replace and simple to operate; (2) when the probe is damaged, the probe can be replaced only by unscrewing the mounting screw of the probe module and loosening the clamping plate, and the probe is simple and convenient to replace. The utility model provides a novel PCBA test structure scheme to it is inconvenient to have solved to change test PCBA in the testing process, changes inconvenient scheduling problem after the probe damages.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is an assembly schematic of the present invention.
The device comprises a base, a pull rod, a probe, a slide block pin, a clamping plate, a slide block spring, a spring seat, a lifting plate, a supporting guide rail column, a PCBA (printed circuit board assembly), a supporting spring, a positioning plate, a base, a testing positioning hole and a height limiting positioning hole, wherein the pull rod is 1, the probe is 2, the slide block pin is 3, the pin is 31, the clamping plate is 4, the slide block spring is 5, the spring seat is.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
As shown in fig. 2, a testing device of a PCBA includes a positioning module, a lifting module, a probe module and a locking module;
the positioning module comprises a base 12 at the bottom and a positioning plate 11 above the base 12; four corners of the positioning plate 11 are provided with 4 mounting holes, and the positioning plate 11 is positioned by the mounting holes and is clamped and fixed with the base 12; the positioning plate 11 is fixed with the base 12 through screws. The lifting module comprises 4 vertically arranged supporting guide rail columns 8 and 4 supporting springs 10 above a positioning plate 11 and a lifting plate 7 above the positioning plate 11; the 4 supporting guide rail columns 8 are connected with the 4 mounting holes of the positioning plate 11 in a sliding fit manner, the 4 supporting springs 10 are respectively sleeved on the 4 supporting guide rail columns 8 and compressed between the positioning plate 11 and the lifting plate 7, and the lifting plate 7 is provided with 4 positioning holes and sleeved on the supporting guide rail columns 8 through the positioning holes; each supporting guide rail column 8 is provided with a test positioning hole 13 and a height limiting positioning hole 14, and the height limiting positioning hole 14 is positioned above the test positioning hole 13;
the probe module comprises a clamping plate 4 and a probe 2 on the clamping plate 4, the probe 2 is clamped by the clamping plate 4 and is positioned through a hole position on the clamping plate 4, the clamping plate 4 is fixedly arranged on a lifting plate 7, and the position of the probe 2 corresponds to the position of a probe point of the PCBA; the probes 2 comprise 5 gold-plated pointed probes and 10 gold-plated plum blossom-shaped probes.
The locking module comprises two spring seats 6, a slider spring 5, a slider pin 3 and a pull rod 1; the spring seat 6 and the slider pins 3 are fixed on the lifting plate 7, the slider springs 5 are sleeved on the spring seat 6, the slider pins 3 are sleeved on the slider springs 5, the slider springs 5 are compressed between the spring seat 6 and the slider pins 3, the pull rod 1 is fixedly connected above the two slider pins 3 and is vertical to the slider pins 3, the slider pins 3 are arranged right opposite to the support guide rail column 8, the pins 31 of the slider pins 3 are matched with the test positioning holes 13 and the height limiting positioning holes 14 of the support guide rail column 8 in size, when the testing device is in a testing mode, the pins 31 correspond to the test positioning holes 13, and the pins 31 are inserted into the test positioning holes 13 under the action of the slider springs 5; when the testing device is in the open-close mode, the position of the slide block pin 3 corresponds to the height-limiting positioning hole 14, and the pin 31 is inserted into the height-limiting positioning hole under the action of the slide block spring 5.
The middle part of the positioning plate 11 is provided with a PCBA positioning groove, so that the accuracy and the reliability of testing positioning are improved.
The base 12 is provided with a mounting hole and is mounted on the test table through the mounting hole. Can be conveniently applied to each production test scene.
The clamping plate 4 is mounted on the lifting plate 7 by screws.
The spring seat 6 is mounted on the lifting plate 7 by screws.
The slider pin 3 is mounted on the lifting plate 7 by screws.
The utility model discloses a theory of operation does: as shown in fig. 1, in the preparation stage, the pull rod is pulled horizontally forward, the pull rod drives the slider pin to move, the slider spring is compressed, the pin of the slider pin is separated from the test positioning hole, and the lifting module can be pushed to rise under the driving of elastic potential energy of the supporting spring; when the testing device is in an opening and closing mode, the lifting module can be continuously lifted by continuously pulling the pull rod upwards, the pull rod is stopped to be pulled when the lifting module is lifted to the set height limiting positioning hole, the elastic potential energy of the slider spring is released to push the slider pin to move, the pin of the slider pin is inserted into the height limiting positioning hole, and the lifting module is stopped; when the test mode is adopted, after the PCBA is placed, the pull rod is pulled forwards horizontally, the pull rod drives the slider pin to move, the slider spring is compressed, the pin of the slider pin is separated from the height-limiting positioning hole, the pull rod is pressed downwards to drive the lifting module to move downwards, when the lifting module moves to the set test positioning hole, the pull rod is stopped being pressed downwards, the elastic potential energy of the slider spring is released, the slider pin is pushed to move, the pin of the slider pin is inserted into the test positioning hole, the lifting module stops, and the test probe is in contact with the detection point; after the test is finished, the pull rod is horizontally pulled again, the pull rod drives the slider pin to move, the slider spring is compressed, the lifting module pushes the lifting module to rise under the driving of the elastic potential energy of the supporting spring, and the test device is in an opening and closing mode, so that the PCBA can be replaced; when the probe is damaged, the probe can be replaced only by unscrewing the mounting screw of the probe module and loosening the clamping plate.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A PCBA's testing arrangement which characterized in that: the device comprises a positioning module, a lifting module, a probe module and a locking module;
the positioning module comprises a base (12) at the bottom and a positioning plate (11) above the base (12); four corners of the positioning plate (11) are provided with 4 mounting holes, and the positioning plate (11) is positioned through the mounting holes and is clamped and fixed with the base (12);
the lifting module comprises 4 vertically arranged supporting guide rail columns (8) above the positioning plate (11), 4 supporting springs (10) and a lifting plate (7) above the positioning plate (11); the 4 supporting guide rail columns (8) are connected with the 4 mounting holes of the positioning plate (11) in a sliding fit manner, the 4 supporting springs (10) are respectively sleeved on the 4 supporting guide rail columns (8) and compressed between the positioning plate (11) and the lifting plate (7), and the lifting plate (7) is provided with 4 positioning holes and sleeved on the supporting guide rail columns (8) through the positioning holes; each supporting guide rail column (8) is provided with a test positioning hole (13) and a height limiting positioning hole (14), and the height limiting positioning hole (14) is positioned above the test positioning hole (13);
the probe module comprises a clamping plate (4) and probes (2) on the clamping plate (4), the probes (2) are clamped by the clamping plate (4) and are positioned through hole positions on the clamping plate (4), the clamping plate (4) is fixedly arranged on the lifting plate (7), and the positions of the probes (2) correspond to the positions of the probes of the PCBA;
the locking module comprises a spring seat (6), a slider spring (5), a slider pin (3) and a pull rod (1); the testing device is characterized in that the spring seat (6) and the sliding block pin (3) are fixed on the lifting plate (7), the sliding block spring (5) is sleeved on the spring seat (6), the sliding block pin (3) is sleeved on the sliding block spring (5), the sliding block spring (5) is compressed between the spring seat (6) and the sliding block pin (3), the pull rod (1) is fixedly connected above the sliding block pin (3) and is perpendicular to the sliding block pin (3), the sliding block pin (3) is arranged right opposite to the supporting guide rail column (8), a pin (31) of the sliding block pin (3) is matched with a testing positioning hole (13) and a height limiting positioning hole (14) of the supporting guide rail column (8) in size, when the testing device is in a testing mode, the position of the pin (31) corresponds to the testing positioning hole (13), and the pin (31) is inserted into the testing positioning hole (13) under the action; when the testing device is in an opening and closing mode, the position of the sliding block pin (3) corresponds to the height limiting positioning hole (14), and the pin (31) is inserted into the height limiting positioning hole under the action of the sliding block spring (5).
2. A test fixture for a PCBA according to claim 1, wherein: the probes (2) comprise 5 gold-plated pointed probes and 10 gold-plated plum blossom-shaped probes.
3. A test fixture for a PCBA according to claim 1, wherein: the middle part of the positioning plate (11) is provided with a PCBA positioning groove.
4. A test fixture for a PCBA according to claim 1, wherein: the base (12) is provided with a mounting hole and is arranged on the test table board through the mounting hole.
5. A test fixture for a PCBA according to claim 1, wherein: the positioning plate (11) is fixed with the base (12) through screws.
6. A test fixture for a PCBA according to claim 1, wherein: the clamping plate (4) is arranged on the lifting plate (7) through screws.
7. A test fixture for a PCBA according to claim 1, wherein: the spring seat (6) is installed on the lifting plate (7) through a screw.
8. A test fixture for a PCBA according to claim 1, wherein: the slide block pin (3) is arranged on the lifting plate (7) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821747.0U CN211603457U (en) | 2020-08-27 | 2020-08-27 | PCBA's testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821747.0U CN211603457U (en) | 2020-08-27 | 2020-08-27 | PCBA's testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603457U true CN211603457U (en) | 2020-09-29 |
Family
ID=72585122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821747.0U Active CN211603457U (en) | 2020-08-27 | 2020-08-27 | PCBA's testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603457U (en) |
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2020
- 2020-08-27 CN CN202021821747.0U patent/CN211603457U/en active Active
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