CN216870727U - High-precision circuit board testing device - Google Patents
High-precision circuit board testing device Download PDFInfo
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- CN216870727U CN216870727U CN202121352531.9U CN202121352531U CN216870727U CN 216870727 U CN216870727 U CN 216870727U CN 202121352531 U CN202121352531 U CN 202121352531U CN 216870727 U CN216870727 U CN 216870727U
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Abstract
The utility model relates to the technical field of circuit board testing, in particular to a high-precision circuit board testing device which comprises a rack, an upper testing module and a lower testing module, wherein the lower testing module comprises a carrier plate module and a probe module, the upper testing module comprises a Z-axis sliding seat connected to the rack in a sliding manner along the Z-axis direction, a Z-axis power mechanism used for driving the Z-axis sliding seat to slide and a press rod module used for downwards jacking a circuit board, the press rod module comprises a press seat and a plurality of press rods arranged on the press seat, the Z-axis sliding seat is provided with a height adjusting module used for adjusting the height position of the press seat, the press seat is arranged on the Z-axis sliding seat through the height adjusting module, the Z-axis power mechanism is arranged on the rack, and the output end of the Z-axis power mechanism is in driving connection with the Z-axis sliding seat; the utility model can accurately fine-tune the pressing distance of the pressing rod, can prevent the pressing rod from being over-pressed and under-pressed, and can better realize the circuit board test.
Description
The technical field is as follows:
the utility model relates to the technical field of circuit board testing, in particular to a high-precision circuit board testing device.
Background art:
the circuit board is an important electronic component, is a support body of the electronic component, and is a carrier for electrical connection of the electronic component.
Before the circuit board is used, the circuit board needs to be subjected to corresponding incoming material testing to ensure the normal development of subsequent products, and when the circuit board is tested, the circuit board needs to be placed on a carrier plate module to be detected, and most of current circuit board testing devices can automatically test the circuit board.
Because when each pressure stick is excessive pressure, when each pressure stick pushes down the distance too much promptly, each pressure stick causes the damage to the circuit board easily, when each pressure stick is undervoltage, when each pressure stick pushes down, each pressure stick pushes down the distance too little promptly, each examination point of awaiting measuring on the examination circuit board and each probe easy contact failure of probe module, thereby influence the test result, so circuit board testing arrangement's each pressure stick distance of pushing down is especially important, but present circuit board testing arrangement mostly only pushes down through cylinder direct drive pressure stick, can't carry out accurate fine setting to the distance that the pressure stick pushed down.
The utility model has the following contents:
the utility model aims to provide a high-precision circuit board testing device aiming at the defects in the prior art, which can accurately fine-tune the pressing distance of a pressing rod, prevent the pressing rod from being over-pressed and under-pressed and better realize the circuit board testing.
In order to achieve the purpose, the utility model adopts the technical scheme that: a high-precision circuit board testing device comprises a frame, an upper testing module for pressing down a circuit board, a lower testing module for installing a card and leading out a circuit board testing signal, the lower test module comprises a carrier plate module for loading a circuit board to be tested and a probe module for connecting and leading out a test signal, go up the test module and include along Z axle slide in Z axle direction sliding connection in the frame, be used for driving the gliding Z axle power mechanism of Z axle slide, a pressure stick module for roof pressure circuit board downwards, press the stick module including pressing the seat, set up a plurality of pressure sticks on pressing the seat, be equipped with the altitude mixture control module that is used for adjusting pressure seat high position on the Z axle slide, press the seat to set up on the Z axle slide through the altitude mixture control module, Z axle power mechanism sets up in the frame, Z axle power mechanism's output drive connection Z axle slide.
The further improvement of the scheme is that the height adjusting module comprises a first height adjusting sliding seat connected to the Z-axis sliding seat in a sliding mode along the Z-axis direction, a height adjusting power mechanism used for driving the first height adjusting sliding seat to slide, and a pressing seat is arranged on the first height adjusting sliding seat.
The further improvement to above-mentioned scheme does, heighten power unit including set up the accent high base on the Z axle slide, heighten the slide along X axle direction sliding connection second on heightening the base, be used for driving the gliding regulation pole of second accent high slide, the one end of adjusting the pole is connected with the second and heightens the slide, the other end of adjusting the pole with heighten base threaded connection and threaded connection have lock nut, the bottom shaping of second accent high slide has the inclined plane of left side height right side low or left side end height right side, the top shaping of first accent high slide has the chute corresponding with second accent high slide bottom inclined plane, the second is heightened the slide and is supported first accent high slide downwards.
The scheme is further improved in that the adjusting rod is sleeved with an adjusting knob.
The further improvement of the scheme is that the heightening base is provided with two heightening stop blocks which are respectively used for abutting against two sides of the first heightening sliding seat.
The further improvement of the scheme is that the heightening stop block is provided with scale marks.
The further improvement of the scheme is that a protective layer is arranged at the bottom of the pressing rod.
The further improvement of the scheme is that the protective layer is made of rubber or silica gel.
The utility model has the beneficial effects that: the utility model provides a high-precision circuit board testing device, which comprises a frame, an upper testing module used for pressing a circuit board downwards, a lower testing module used for installing a card and leading out a circuit board testing signal, the lower test module comprises a carrier plate module for loading a circuit board to be tested and a probe module for connecting and leading out a test signal, the upper test module comprises a Z-axis sliding seat connected to the rack in a sliding manner along the Z-axis direction, a Z-axis power mechanism used for driving the Z-axis sliding seat to slide, and a press rod module used for pressing the circuit board downwards, wherein the press rod module comprises a press seat and a plurality of press rods arranged on the press seat, a height adjusting module used for adjusting the height position of the press seat is arranged on the Z-axis sliding seat, the press seat is arranged on the Z-axis sliding seat through the height adjusting module, the Z-axis power mechanism is arranged on the rack, and the output end of the Z-axis power mechanism is connected with the Z-axis sliding seat in a driving manner;
compared with a press rod module fixedly arranged on a Z-axis sliding seat, the press seat is arranged on the Z-axis sliding seat through the height adjusting module, the distance between the press seat and the Z-axis sliding seat can be finely adjusted, so that the height position of the press seat can be finely adjusted accurately through the height adjusting module, the height position of each press rod can be finely adjusted accurately, the distance for pressing the press rods downwards can be finely adjusted accurately, the press rods can be prevented from being over-pressed, the press rods can be prevented from being under-pressed, and the circuit board test can be better realized.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the height adjustment module according to the present invention.
Description of reference numerals: the test device comprises a rack 1, an upper test module 2, a Z-axis slide seat 21, a Z-axis power mechanism 22, a rod pressing module 23, a pressing seat 231, a pressing rod 232, a protective layer 2321, a height adjusting module 24, a first height adjusting slide seat 241, a height adjusting power mechanism 242, a height adjusting base 2421, a second height adjusting slide seat 2422, an adjusting rod 2423, a locking nut 2424, an inclined plane 2425, an inclined groove 2426, an adjusting knob 2427, a height adjusting stop 2428, a scale mark 2429, a lower test module 3, a carrier plate module 31 and a probe module 32.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings, as shown in fig. 1-2, the present invention includes a rack 1, an upper test module 2 for pressing a circuit board downward, and a lower test module 3 for mounting a card and guiding out a test signal of the circuit board, the lower test module 3 includes a carrier module 31 for mounting a circuit board to be tested and a probe module 32 for connecting and guiding out the test signal, the upper test module 2 includes a Z-axis slide 21 slidably connected to the rack 1 along a Z-axis direction, a Z-axis power mechanism 22 for driving the Z-axis slide 21 to slide, and a press bar module 23 for pressing the circuit board downward, the press bar module 23 includes a press base 231 and a plurality of press bars 232 disposed on the press base 231, a height adjusting module 24 for adjusting a height position of the press base 231 is disposed on the Z-axis slide 21, the press base 231 is disposed on the Z-axis slide 21 through the height adjusting module 24, the Z-axis power mechanism 22 is arranged on the rack 1, and the output end of the Z-axis power mechanism 22 is in driving connection with the Z-axis sliding seat 21; compared with the press rod module 23 fixedly arranged on the Z-axis sliding seat 21, the press seat 231 provided by the utility model is arranged on the Z-axis sliding seat 21 through the height adjusting module 24, and the distance between the press seat 231 and the Z-axis sliding seat 21 can be finely adjusted, so that the height position of the press seat 231 can be finely adjusted through the height adjusting module 24, namely, the height position of each press rod 232 can be finely adjusted accurately, the distance for pressing the press rods 232 can be finely adjusted accurately, the press rods 232 can be prevented from being over-pressed, the press rods 232 can be prevented from being under-pressed, and the circuit board test can be better realized.
The height adjusting module 24 includes a first height-adjusting slide seat 241 slidably connected to the Z-axis slide seat 21 along the Z-axis direction, a height-adjusting power mechanism 242 for driving the first height-adjusting slide seat 241 to slide, and the pressing seat 231 is disposed on the first height-adjusting slide seat 241.
The height-adjusting power mechanism 242 includes a height-adjusting base 2421 disposed on the Z-axis sliding base 21, a second height-adjusting sliding base 2422 slidably connected to the height-adjusting base 2421 along the X-axis direction, and an adjusting rod 2423 for driving the second height-adjusting sliding base 2422 to slide, wherein one end of the adjusting rod 2423 is connected to the second height-adjusting sliding base 2422, the other end of the adjusting rod 2423 is connected to the height-adjusting base 2421 through a screw thread and is connected to a lock nut 2424 through a screw thread, a left-high right-low or left-bottom-right-high inclined surface 2425 is formed at the bottom of the second height-adjusting sliding base 2422, a chute 2426 corresponding to the bottom inclined surface 2425 of the second height-adjusting sliding base 2422 is formed at the top of the first height-adjusting sliding base 241, and the second height-adjusting sliding base 2422 is pressed against the first height-adjusting sliding base 241 downwards.
An adjusting knob 2427 is sleeved on the adjusting rod 2423, and the adjusting knob 2427 can more conveniently rotate the adjusting rod 2423, so that the second height-adjusting slide 2422 can be more conveniently driven to slide, namely, the height position of the pressing seat 231 can be adjusted.
Two height-adjusting stoppers 2428 are arranged on the height-adjusting base 2421, and the two height-adjusting stoppers 2428 are respectively used for abutting against two sides of the first height-adjusting slide seat 241.
The height-adjusting stop 2428 is provided with a scale mark 2429, and the last adjusting position can be intuitively known through the scale mark 2429, so that comparison and adjustment are facilitated.
The bottom of the pressure rod 232 is provided with a protective layer 2321, the protective layer 2321 is made of rubber or silica gel, the protective layer 2321 can prevent the pressure rod 232 from scratching and crushing the surface of the circuit board to be tested, and the quality of the circuit board can be ensured.
The working principle is as follows:
the Z-axis power mechanism 22 drives the Z-axis slide carriage 21 to move downwards and drives the pressing rod 232 to move downwards to the surface of a workpiece to be tested, the adjusting rod 2423 is rotated forwards or reversely to drive the second height-adjusting slide carriage 2422 to slide left and right, and the first height-adjusting slide carriage 241 is correspondingly driven to lift along with the left and right sliding of the second height-adjusting slide carriage 2422, namely, each pressing rod 232 on the pressing seat 231 is driven to lift, the pressing rod 232 is adjusted to a required height position according to specific use conditions, and the adjustment setting of the pressing height of the pressing rod 232 is completed; placing a circuit board to be tested on the carrier plate module 31, driving the Z-axis slide carriage 21 to move downwards through the Z-axis power mechanism 22 and driving the pressing rod 232 to press the circuit board to be tested downwards, wherein each point to be tested on the circuit board to be tested is respectively contacted with each probe on the probe module 32 to test the circuit board;
the utility model can finely adjust the distance between the pressing seat 231 and the Z-axis sliding seat 21, thereby accurately finely adjusting the height position of the pressing seat 231 through the height adjusting module 24, namely, accurately finely adjusting the height position of each pressing rod 232, and accurately finely adjusting the distance of the pressing rod 232 pressed downwards, thereby not only preventing the pressing rods 232 from being over-pressed, but also preventing the pressing rods 232 from being under-pressed, and better realizing the circuit board test.
It is understood that the above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, features and principles described in the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a high accuracy circuit board testing arrangement, includes frame (1), is used for test module (2) on pushing down the circuit board, is used for dress card and derives circuit board test signal's lower test module (3), test module (3) down are including being used for dress card to await measuring support plate module (31) of circuit board, probe module (32) that are used for connecting and deriving test signal, its characterized in that: go up test module (2) including following Z axle slide (21) on Z axle direction sliding connection frame (1), be used for driving gliding Z axle power mechanism (22) of Z axle slide (21), be used for the pressure stick module (23) of roof pressure circuit board downwards, pressure stick module (23) are including pressing seat (231), set up a plurality of pressure sticks (232) on pressing seat (231), be equipped with height adjustment module (24) that are used for adjusting pressure seat (231) high position on Z axle slide (21), press seat (231) to set up on Z axle slide (21) through height adjustment module (24), Z axle power mechanism (22) set up on frame (1), Z axle slide (21) are connected in the output drive of Z axle power mechanism (22).
2. A high precision circuit board testing device according to claim 1, characterized in that: the height adjusting module (24) comprises a first height adjusting sliding seat (241) connected to the Z-axis sliding seat (21) in a sliding mode along the Z-axis direction, a height adjusting power mechanism (242) used for driving the first height adjusting sliding seat (241) to slide, and a pressing seat (231) is arranged on the first height adjusting sliding seat (241).
3. A high precision circuit board testing device according to claim 2, characterized in that: the height-adjusting power mechanism (242) comprises a height-adjusting base (2421) arranged on the Z-axis sliding base (21), a second height-adjusting sliding base (2422) connected to the height-adjusting base (2421) in a sliding mode along the X-axis direction, and an adjusting rod (2423) used for driving the second height-adjusting sliding base (2422) to slide, one end of the adjusting rod (2423) is connected with the second height-adjusting sliding base (2422), the other end of the adjusting rod (2423) is connected with the height-adjusting base (2421) in a threaded mode and is connected with a locking nut (2424) in a threaded mode, an inclined plane (2425) which is high in the left-high right direction or high in the left-bottom right direction is formed at the bottom of the second height-adjusting sliding base (2422), an inclined groove (2426) corresponding to the inclined plane (2425) at the bottom of the second height-adjusting sliding base (2422) is formed at the top of the first height-adjusting sliding base (241), and the second height-adjusting sliding base (2422) supports the first height-adjusting sliding base (241) downwards.
4. A high precision circuit board testing device according to claim 3, characterized in that: an adjusting knob (2427) is sleeved on the adjusting rod (2423).
5. A high precision circuit board testing device according to claim 3, characterized in that: two heightening check blocks (2428) are arranged on the heightening base (2421), and the two heightening check blocks (2428) are respectively used for abutting against two sides of the first heightening slide seat (241).
6. A high accuracy circuit board testing device according to claim 5, characterized in that: and the heightening stop block (2428) is provided with a scale mark (2429).
7. A high accuracy circuit board testing apparatus according to any one of claims 1 to 6, wherein: and a protective layer (2321) is arranged at the bottom of the pressure rod (232).
8. A high accuracy circuit board testing apparatus according to claim 7, wherein: the protective layer (2321) is made of rubber or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121352531.9U CN216870727U (en) | 2021-06-17 | 2021-06-17 | High-precision circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121352531.9U CN216870727U (en) | 2021-06-17 | 2021-06-17 | High-precision circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870727U true CN216870727U (en) | 2022-07-01 |
Family
ID=82120328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121352531.9U Active CN216870727U (en) | 2021-06-17 | 2021-06-17 | High-precision circuit board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870727U (en) |
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2021
- 2021-06-17 CN CN202121352531.9U patent/CN216870727U/en active Active
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