CN219915849U - PCB circuit board test fixture - Google Patents
PCB circuit board test fixture Download PDFInfo
- Publication number
- CN219915849U CN219915849U CN202321509055.6U CN202321509055U CN219915849U CN 219915849 U CN219915849 U CN 219915849U CN 202321509055 U CN202321509055 U CN 202321509055U CN 219915849 U CN219915849 U CN 219915849U
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- clamping
- circuit board
- pcb circuit
- seat
- pcb
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 239000000523 sample Substances 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 18
- 238000001125 extrusion Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model relates to a PCB test fixture, which comprises a supporting table, wherein a placing seat is arranged on the supporting table, an elastic supporting structure is arranged on the placing seat, the top of the elastic supporting structure is provided with a placing table, two sides of the top of the supporting table are provided with fixing seats, electric push rods are arranged on the two fixing seats, the output ends of the electric push rods are provided with clamping seats, the inner sides of the two clamping seats are provided with elastic clamping structures, the inner sides of the elastic clamping structures are provided with clamping plates, the two clamping plates can slide up and down and are provided with clamping pieces, the supporting table is provided with a positioning plate in a matched manner, and a test probe group is arranged above the placing table in a matched manner.
Description
Technical Field
The utility model relates to the technical field of circuit board detection, in particular to a PCB circuit board test fixture.
Background
PCB (Printed Circuit Board) the Chinese name printed circuit board, also called printed circuit board, is an important electronic component, is a support for electronic components, and is a carrier for electrically interconnecting electronic components. It is called a "printed" circuit board because it is made using electronic printing.
After the production of the PCB is finished, the performance of the PCB needs to be detected before packaging and transportation, so that the quality of the manufactured PCB is ensured;
when the detection of the PCB is realized, the PCB is usually placed on a supporting platform, and then the lifting test probe group is controlled to carry the test probe downwards, so that the test probe is contacted with the position of a soldering leg to be detected on the PCB, and the connection of a detection circuit is realized;
when the butt joint of the test probe group and the PCB circuit board is realized, the PCB circuit board is easy to be rigidly extruded by the test probe group, and the probe structure on the test probe group and the welding leg to be detected on the PCB circuit board are fragile, if the butt joint force is too large, the welding leg and the like at the detection position of the test probe and the PCB circuit board are easy to be damaged when the rigid extrusion is generated, so that the PCB circuit board is damaged in the detection process;
in addition, current PCB circuit board is in the testing process, need press from both sides tightly fixedly to both sides, but current PCB circuit board test fixture is when realizing the clamp of PCB circuit board and is fixed, mostly realizes through the platelike structure of non-deformable, and the condition like this appears the clamp easily and presss from both sides the rigidity of PCB circuit board side tightly to lead to the deformation of PCB circuit board, lead to the damage of PCB circuit board in the testing process.
Disclosure of Invention
The utility model aims to provide a PCB testing fixture, which solves the problem that the PCB testing fixture in the prior art is easy to cause rigid contact between a PCB and a testing probe set and between the PCB and clamping plates at two sides when testing the PCB.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a PCB circuit board test fixture, includes the brace table, be provided with on the brace table and place the seat, place and be provided with elastic support structure on the seat, elastic support structure's top is provided with places the platform, the top both sides of brace table are provided with the fixing base, two all be provided with electric putter on the fixing base, just electric putter's output all is provided with the clamping seat, two the inboard of clamping seat all is provided with elastic clamping structure, elastic clamping structure's inboard all is provided with the clamping plate, two all can slide from top to bottom on the clamping plate and be provided with the clamping piece, the cooperation is placed the platform on the brace table and is provided with the locating plate, the top cooperation of placing the platform is provided with test probe group.
As a further scheme of the utility model: the elastic support structure comprises a support spring arranged between the placing table and the placing seat, a first limiting telescopic rod is arranged between the placing table and the placing seat in a matched mode, and elastic installation of the placing table on the placing seat can be achieved through the cooperation of the support spring and the first limiting telescopic rod, so that elastic support of a PCB (printed circuit board) during detection is achieved, and rigid butt joint of the PCB during butt joint of a test probe set is avoided.
As still further aspects of the utility model: the elastic clamping structure comprises a clamping spring arranged between the clamping seat and the clamping plate, a second limiting telescopic rod is matched between the clamping seat and the clamping plate, the clamping plate can clamp the PCB circuit board through the clamping spring and the second limiting telescopic rod, and the elastic clamping is performed at fixed time, so that rigid extrusion in the detection process is avoided.
As still further aspects of the utility model: the back of clamping piece is provided with the slider, the spout has been seted up to the cooperation on the clamping plate, the spout slides and is located the slider, just spout internal connection slider is provided with reset spring, can make the clamping piece reciprocate for the clamping plate through the cooperation of spout, slider and reset spring.
As still further aspects of the utility model: the two outer sides of the clamping seat are provided with limiting columns, the fixing seat is provided with limiting grooves in a matched mode, and stability of the clamping seat in moving relative to the fixing seat can be improved through the matching of the limiting columns and the limiting grooves.
As still further aspects of the utility model: place bench and be provided with and place the board, the bottom of placing the board is provided with the reference column, the location mounting groove has been seted up to the cooperation of placing bench, can realize placing the board and place the demountable installation of bench through the cooperation of reference column and location mounting groove to can change the board of placing that is used for supporting according to the difference of PCB circuit board, improve use flexibility and convenience
As still further aspects of the utility model: the surface of the clamping piece is longitudinally provided with anti-skidding patterns, so that the anti-skidding effect of the surface of the clamping piece is enhanced.
Compared with the prior art, the utility model has the advantages that:
1. the utility model comprises a supporting table, wherein a placing seat is arranged on the supporting table, an elastic supporting structure is arranged on the placing seat, a placing table is arranged at the top of the elastic supporting structure and is used for placing a PCB to be detected, the elastic supporting structure comprises a supporting spring and a first limiting telescopic rod, the supporting spring and the first limiting telescopic rod are positioned between the placing table and the placing seat and are matched with each other, and when the PCB is detected through a test probe set, the test probe set can carry a test probe to descend, so that the test probe is contacted with detection positions such as welding pins of the PCB;
in the process of butt joint of the test probe set and the PCB circuit board, the PCB circuit board can be extruded to be pressed down by the placing table in the process, so that the supporting spring is extruded to be contracted to generate deformation, and therefore, when the pressure of the test probe set is applied to the PCB circuit board in detection, the test probe set has a certain elastic movement interval, so that rigid extrusion of the test probe set to the PCB circuit board is avoided, damage to positions such as probes on the test probe set and welding pins on the PCB circuit board in the detection process of the PCB circuit board is avoided, and meanwhile, under the reaction force of the elasticity of the supporting spring, the tight fit between the PCB circuit board and the test probe set can be kept, and the stability and the accuracy of the test of the PCB circuit board are ensured.
2. According to the PCB detection device, the fixing seat, the electric push rod and the clamping seat which are matched with each other are arranged on two sides of the supporting table, and the clamping plate is arranged on the inner side of the clamping seat in a matched manner through the clamping spring and the second limiting telescopic rod, so that when the clamping and fixing in the PCB detection process are realized, the clamping seat can be driven to move through the electric push rod, the clamping plate is driven to move through the clamping seat, and when the clamping plate clamps and fastens the PCB, the clamping spring is extruded to deform, and rigid extrusion of the clamping plate to the PCB is avoided while the clamping plate clamps and fixes the PCB, so that the safety protection of the PCB in detection is improved;
3. meanwhile, the clamping piece is arranged on the clamping plate through the matching of the sliding groove, the sliding block and the reset spring, and the clamping piece on the clamping plate is contacted with the PCB to be detected when the PCB is detected, so that the clamping piece can be carried to move downwards relative to the clamping plate when the PCB is pressed and the test probe set is pressed downwards, the clamping plate can be clamped and fixed on two sides of the PCB and can move upwards and downwards relative to the clamping plate, and friction between the PCB and the clamping plate when the PCB is pressed and moved downwards is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a PCB testing fixture according to the present utility model;
FIG. 2 is an exploded view showing the connection structure among the placement base, the placement table and the placement plate according to the present utility model;
FIG. 3 is a schematic view showing the connection structure among the fixing base, the clamping plate and the clamping piece;
FIG. 4 is a schematic diagram showing a connection structure among a fixing base, a clamping plate and a clamping piece;
fig. 5 is a schematic cross-sectional view showing a connection structure between a clamping plate and a clamping member in the present utility model.
In the figure: 1. a support table; 2. a placement seat; 3. a placement table; 4. a fixing seat; 5. an electric push rod; 6. a clamping seat; 7. a clamping plate; 8. a clamping member; 9. a positioning plate; 10. a test probe set; 11. a support spring; 12. the first limiting telescopic rod; 13. a clamping spring; 14. the second limiting telescopic rod; 15. a slide block; 16. a chute; 17. a return spring; 18. a limit column; 19. a limit groove; 20. placing a plate; 21. positioning columns; 22. positioning the mounting groove; 23. anti-skid lines.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 5, in an embodiment of the present utility model:
the utility model provides a PCB circuit board test fixture, including supporting bench 1, be provided with on the supporting bench 1 and place seat 2, be provided with elastic support structure on placing seat 2, elastic support structure's top is provided with places the platform 3, supporting bench 1's top both sides are provided with fixing base 4, all be provided with electric putter 5 on two fixing bases 4, and electric putter 5's output all is provided with clamping seat 6, two clamping seat 6's inboard all is provided with elastic clamping structure, elastic clamping structure's inboard all is provided with clamping plate 7, all can slide from top to bottom on two clamping plate 7 and be provided with clamping piece 8, supporting bench 1 is last to cooperate and to place the platform 3 and be provided with locating plate 9, place the top cooperation of platform 3 and be provided with test probe group 10.
In the embodiment of the utility model, the following steps are included: the elastic supporting structure comprises a supporting spring 11 arranged between the placing table 3 and the placing seat 2, and a first limiting telescopic rod 12 is matched between the placing table 3 and the placing seat 2;
the setting through supporting spring 11 can realize placing the elastic support of platform 3 on placing seat 2, like this, when placing the PCB circuit board that will wait to detect on placing platform 3 and examine, test probe group 10 can push down the PCB circuit board, thereby the PCB circuit board can push down placing platform 3, thereby extrude supporting spring 11, make supporting spring 11 shrink produce deformation, like this, can receive when the pressure of test probe group 10 when the PCB circuit board detects, have certain removal interval, thereby the rigidity extrusion of test probe group 10 to the PCB circuit board has been avoided, simultaneously under the reaction force of the elasticity of supporting spring 11, can keep the closely laminating between PCB circuit board and the test probe group 10, thereby the stability and the accuracy of PCB circuit board test have been guaranteed.
In the embodiment of the utility model, the following steps are included: the elastic clamping structure comprises a clamping spring 13 arranged between a clamping seat 6 and a clamping plate 7, a second limiting telescopic rod 14 is matched between the clamping seat 6 and the clamping plate 7, the clamping seat 6 can drive the clamping plate 7 to move when the clamping seat 6 is driven to move towards a PCB circuit board to be tested through the electric push rod 5, the clamping seat 6 on the clamping plate 7 can be attached to the PCB circuit board and clamp the PCB circuit board, in the process, when the clamping plate 7 carries a clamping piece 8 to clamp the PCB circuit board, the clamping plate 7 can receive a reverse acting force, and meanwhile, the clamping plate 7 can receive the pushing force of the electric push rod 5, so that the clamping plate 7 extrudes the clamping spring 13, the clamping spring 13 is contracted to deform, the clamping piece 8 can be prevented from rigidly extruding the PCB circuit board while the clamping piece 8 is kept to clamp the PCB circuit board, and meanwhile, the clamping stable effect of the clamping piece 8 on the PCB circuit board can be kept under the elastic action of the clamping spring 13, and the protection of the PCB circuit board during detection is improved, and the PCB circuit board is prevented from being damaged in the detection process.
In the embodiment of the utility model, the following steps are included: the back of the clamping piece 8 is provided with a sliding block 15, the clamping plate 7 is provided with a sliding groove 16 in a matching way, the sliding groove 16 is slidably positioned in the sliding block 15, and a return spring 17 is arranged in the sliding groove 16 and connected with the sliding block 15;
when the test probe set 10 compresses tightly the PCB circuit board, can give a decurrent effort to the PCB circuit board, at this moment, the PCB circuit board can extrude and place the platform 3 and move downwards, and the side of PCB circuit board can be relative to clamp 8 down simultaneously, and can drive clamp 8 and follow the PCB circuit board together and move downwards through the cooperation of spout 16 and slider 15, the friction between side and the clamp 8 has just so avoided the PCB circuit board at the test in-process of moving down, wear when PCB circuit board test has been reduced, simultaneously, reset spring 17's setting can be after the PCB circuit board detects and accomplish, when losing the pressure of test probe set 10, provide driving force for the reset of clamp 8, so that the detection clamp of the PCB circuit board of next round.
In the embodiment of the utility model, the following steps are included: the outside of two clamping seat 6 all is provided with spacing post 18, and spacing groove 19 has been seted up to the cooperation on the fixing base 4, and when electric putter 5 drive clamping seat 6 moved, clamping seat 6 can drive the removal of spacing post 18 in spacing groove 19, can improve the removal stability of clamping seat 6 for fixing base 4 through the cooperation of spacing post 18 and spacing groove 19 to the removal stability of clamping plate 7 and clamping piece 8 that has improved to be located on the clamping seat 6 improves the clamping stability to the PCB circuit board.
In the embodiment of the utility model, the following steps are included: the placing table 3 is provided with the placing plate 20, the bottom end of the placing plate 20 is provided with the positioning column 21, the placing table 3 is provided with the positioning mounting groove 22 in a matched mode, the placing plate 20 is detachably mounted on the placing table 3 through the matching of the positioning column 21 and the positioning mounting groove 22, and the PCB to be detected is placed on the placing plate 20 during detection, so that when the detection is required for the PCB with different specifications, the placing plate 20 can be flexibly replaced, and the convenience and the flexibility of the detection of the PCB are improved;
the cooperation of the positioning column 21 and the positioning mounting groove 22 can ensure the stable mounting of the placing plate 20 on the placing table 3, and simultaneously facilitate the disassembly of the placing plate 20 on the placing table 3
In the embodiment of the utility model, the following steps are included: the surface of the clamping piece 8 is longitudinally provided with the anti-skid patterns 23, and the PCB circuit board can be prevented from horizontally and transversely moving relative to the clamping piece 8 in the detection process through the arrangement of the anti-skid patterns 23, so that the clamping stability of the PCB circuit board in the detection process is improved.
Example 2
Referring to fig. 1 to 5, the utility model relates to a PCB circuit board testing fixture, comprising a supporting table 1, wherein a placing seat 2 is arranged on the supporting table 1, an elastic supporting structure is arranged on the placing seat 2, a placing table 3 is arranged at the top of the elastic supporting structure, the placing table 3 is used for placing a PCB circuit board to be tested, wherein the elastic supporting structure comprises a supporting spring 11 and a first limit telescopic rod 12 which are positioned between the placing table 3 and the placing seat 2 and are matched with each other, and when the PCB circuit board is tested by the testing probe set 10, the testing probe set 10 can carry a testing probe to descend so that the testing probe contacts with testing positions such as soldering feet of the PCB circuit board;
in the process of butt joint of the test probe set 10 and the PCB circuit board, the PCB circuit board can be extruded, the placing table 3 is pressed downwards in the process, and the supporting spring 11 is extruded, so that the supporting spring 11 is contracted to generate deformation, and therefore, when the PCB circuit board is tested under the pressure of the test probe set 10, a certain elastic movement interval is provided, rigid extrusion of the test probe set 10 to the PCB circuit board is avoided, damage to the positions of probes, welding feet and the like on the PCB circuit board, on the test probe set 10 in the process of testing the PCB circuit board is avoided, meanwhile, the tight fit between the PCB circuit board and the test probe set 10 can be kept under the reaction force of the elasticity of the supporting spring 11, and the stability and the accuracy of the test of the PCB circuit board are ensured.
Example 3
Referring to fig. 1 to 5, on the basis of embodiment 2, the utility model is provided with a fixing seat 4, an electric push rod 5 and a clamping seat 6 which are matched with each other on both sides of a supporting table 1, and is provided with a clamping plate 7 on the inner side of the clamping seat 6 through a clamping spring 13 and a second limit telescopic rod 14 in a matched manner, so that when the clamping and fixing of a PCB board in the detection process are realized, the clamping seat 6 can be driven by the electric push rod 5 to move, the clamping plate 7 is driven by the clamping seat 6 to move, and when the clamping plate 7 clamps and fixes the PCB board, the clamping spring 13 is extruded by reverse extrusion force, so that the clamping spring 13 is deformed, and the rigid extrusion of the clamping plate 7 to the PCB board can be avoided while the clamping and fixing of the clamping plate 7 to the PCB board are ensured, and the safety protection of the PCB board in the detection process is improved;
meanwhile, the clamping piece 8 is arranged on the clamping plate 7 through the matching of the sliding groove 16, the sliding block 15 and the reset spring 17, and the clamping piece 8 on the clamping plate 7 is contacted with the PCB to be detected when the PCB is detected, so that the clamping piece 8 can be carried to move downwards relative to the clamping plate 7 when the PCB is pressed and tested to be pressed by the probe set 10, the clamping plate 7 can clamp and fix two sides of the PCB, and can move upwards and downwards relative to the clamping plate 7 at the same time, and friction between the PCB and the clamping plate 7 when the PCB is pressed and moved downwards is avoided.
In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.
Claims (7)
1. The utility model provides a PCB circuit board test fixture, includes brace table (1), its characterized in that: be provided with on supporting bench (1) and place seat (2), place and be provided with elastic support structure on seat (2), elastic support structure's top is provided with places platform (3), the top both sides of supporting bench (1) are provided with fixing base (4), two all be provided with electric putter (5) on fixing base (4), just electric putter (5)'s output all is provided with clamping seat (6), two clamping seat (6)'s inboard all is provided with elastic clamping structure, elastic clamping structure's inboard all is provided with clamping plate (7), two all can slide from top to bottom on clamping plate (7) and be provided with clamping piece (8), cooperation is placed platform (3) on supporting bench (1) and is provided with locating plate (9), the top cooperation of placing platform (3) is provided with test probe group (10).
2. The PCB circuit board test fixture of claim 1, wherein: the elastic supporting structure comprises a supporting spring (11) arranged between the placing table (3) and the placing seat (2), and a first limiting telescopic rod (12) is arranged between the placing table (3) and the placing seat (2) in a matched mode.
3. The PCB circuit board test fixture of claim 1, wherein: the elastic clamping structure comprises a clamping spring (13) arranged between the clamping seat (6) and the clamping plate (7), and a second limiting telescopic rod (14) is arranged between the clamping seat (6) and the clamping plate (7) in a matched mode.
4. The PCB circuit board test fixture of claim 1, wherein: the back of clamping piece (8) is provided with slider (15), spout (16) have been seted up to the cooperation on clamping plate (7), spout (16) slip are located slider (15), just slider (15) are provided with reset spring (17) in spout (16).
5. A PCB circuit board test fixture according to claim 3, wherein: limiting columns (18) are arranged on the outer sides of the two clamping seats (6), and limiting grooves (19) are formed in the fixing seats (4) in a matched mode.
6. The PCB circuit board test fixture of claim 1, wherein: the positioning device is characterized in that a placement plate (20) is arranged on the placement table (3), a positioning column (21) is arranged at the bottom end of the placement plate (20), and a positioning mounting groove (22) is formed in the placement table (3) in a matched mode.
7. The PCB testing fixture of claim 4, wherein: the surface of the clamping piece (8) is longitudinally provided with anti-skid patterns (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509055.6U CN219915849U (en) | 2023-06-14 | 2023-06-14 | PCB circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509055.6U CN219915849U (en) | 2023-06-14 | 2023-06-14 | PCB circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219915849U true CN219915849U (en) | 2023-10-27 |
Family
ID=88427940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321509055.6U Active CN219915849U (en) | 2023-06-14 | 2023-06-14 | PCB circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219915849U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269737A (en) * | 2023-11-22 | 2023-12-22 | 深圳市鑫科拓威科技有限公司 | Jig assembly for PCB test |
| CN117647727A (en) * | 2024-01-30 | 2024-03-05 | 丰顺县锦顺科技有限公司 | Equipment for detecting PCB rigid circuit board |
-
2023
- 2023-06-14 CN CN202321509055.6U patent/CN219915849U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269737A (en) * | 2023-11-22 | 2023-12-22 | 深圳市鑫科拓威科技有限公司 | Jig assembly for PCB test |
| CN117269737B (en) * | 2023-11-22 | 2024-03-08 | 深圳市鑫科拓威科技有限公司 | Jig assembly for PCB test |
| CN117647727A (en) * | 2024-01-30 | 2024-03-05 | 丰顺县锦顺科技有限公司 | Equipment for detecting PCB rigid circuit board |
| CN117647727B (en) * | 2024-01-30 | 2024-04-02 | 丰顺县锦顺科技有限公司 | Equipment for detecting PCB rigid circuit board |
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