CN218675202U - Disposable testing arrangement of PCB circuit impedance - Google Patents
Disposable testing arrangement of PCB circuit impedance Download PDFInfo
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- CN218675202U CN218675202U CN202222313940.9U CN202222313940U CN218675202U CN 218675202 U CN218675202 U CN 218675202U CN 202222313940 U CN202222313940 U CN 202222313940U CN 218675202 U CN218675202 U CN 218675202U
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Abstract
The utility model relates to a one-time testing device for PCB circuit impedance, which comprises a machine table; an XY axis horizontal moving platform; the object stage is arranged on the XY-axis horizontal moving platform, and a positioning component for positioning the detected PCB is arranged on the object stage; the testing turning plate is hinged with the top of the machine table and provided with a first turning position and a second turning position; the test needle plate is arranged on the test turning plate, the test turning plate is located at the first position, the test needle of the test turning plate abuts against the detection point of the PCB to be tested, the test turning plate is located at the second position, and the test needle of the test turning plate is separated from the detection point of the PCB to be tested. The utility model adjusts the position of the PCB through the XY-axis horizontal moving platform, thereby being convenient for the adjustment of different PCB positions and having wider adaptability; through setting up the test faller on the test turns over the board, be convenient for quick press the test needle at the check point, then utilize detecting instrument to receive the signal that the test needle detected, realize detecting.
Description
Technical Field
The utility model relates to a PCB testing arrangement, in particular to disposable testing arrangement of PCB circuit impedance.
Background
A Printed Circuit Board (PCB), or simply a printed circuit board, is one of the important components in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole product are facilitated. At present, printed wiring boards have been used very widely in the manufacture of electronic products.
Because the circuit is usually comparatively complicated and thin in the PCB, therefore very easily appear the circuit disconnection in the production or the circuit etching is comparatively serious leads to the impedance great, these two kinds of defects will lead to the unable normal use of PCB, consequently need to break circuit and impedance test to it after the PCB production is accomplished, current test mode adopts the manual universal meter of utilizing to measure it usually, and this kind of mode is inefficient, and the error rate is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a PCB circuit impedance disposable test device.
The utility model provides a technical scheme that its technical problem adopted is: a disposable PCB line impedance testing device comprises a machine table; the XY axis horizontal moving platform is used for adjusting the position of an object arranged on the XY axis horizontal moving platform in a plane; the object stage is arranged on the XY-axis horizontal moving platform, the position of the object stage is adjusted through the XY-axis horizontal moving platform, and a positioning assembly for positioning the PCB to be detected is arranged on the object stage; the testing turning plate is hinged with the top of the machine table and is provided with a first turning position and a second turning position; the test needle plate is arranged on the test turning plate, the test turning plate is located at a first position, a test needle of the test turning plate abuts against a detection point of the PCB to be tested, the test turning plate is located at a second position, and the test needle of the test turning plate is separated from the detection point of the PCB to be tested.
In the design, the position of the PCB is adjusted through the XY-axis horizontal moving platform, so that the PCB positioning adjusting device is convenient to be suitable for adjusting different PCB positions and has wider adaptability; through setting up the test faller on the board is turned over in the test, be convenient for quick press the test needle at the check point, then utilize detecting instrument to receive the test needle, realize detecting, improved detection efficiency and detection success rate.
As a further improvement of the present design, the test needle plate is detachably mechanically connected to the test flap. The test needle plate is convenient to replace, and the test needle plate is suitable for testing different PCBs.
As the further improvement of this design, the objective table both sides are equipped with and extend to the breach of dodging of being surveyed the PCB below, be equipped with the locating pin that is used for being surveyed the PCB location on the objective table. Dodge the breach and be convenient for get fast and put PCB, the locating pin is convenient for fix a position PCB, the accurate butt joint of the check point on test needle and the PCB of being convenient for.
As a further improvement of the design, the XY-axis horizontal moving platform comprises a Y-axis slide rail horizontally arranged on the machine table, a Y-axis sliding table connected with the Y-axis slide rail in a sliding manner, an X-axis slide rail horizontally arranged on the Y-axis sliding table, and an X-axis sliding table in sliding fit with the X-axis slide rail, wherein the object carrying table is arranged on the top surface of the X-axis sliding table, and the X-axis slide rail is perpendicular to the Y-axis slide rail. Simple structure is convenient for adjust PCB in plane optional position for testing arrangement suitability is wider.
As a further improvement of the design, the machine table is provided with two groups of adjusting assemblies which are used for adjusting the X-axis sliding table and the Y-axis sliding table respectively, and the adjustment is convenient.
As the further improvement of this design, every group the adjustment subassembly include two relative settings and do not set up the micrometer of chi frame, respectively with the adjusting arm that X axle slip table and Y axle slip table linked firmly, micrometer's micrometer screw rod tip supports respectively the adjusting arm is towards the side of moving direction, and the adjustment is more accurate, is applicable to the less occasion of PCB check point.
As a further improvement of the design, each group of adjusting assemblies comprises a screw rod connected with the machine table in a rotating mode, and nuts arranged on the X-axis sliding table and the Y-axis sliding table, the nuts are matched with the screw rod, the structure is simple, and the adjustment is convenient.
As a further improvement of the design, a buffer is arranged on the machine table, the test turning plate is located at the first position, the buffer abuts against the test turning plate, and the buffer is compressed. The buffer prevents the test pin from damaging the PCB.
As a further improvement of the design, the machine table is provided with an electromagnet, and the test turning plate is provided with an adsorption piece which is mutually attracted with the electromagnet when the test turning plate is positioned at the first position. The PCB test point is convenient to guarantee that the test needle always presses the PCB test point when detecting.
As a further improvement of the design, the machine table is provided with a limiting block, the test turning plate is located at a first position, the test needle plate is located right above a detection point of the tested PCB, the test turning plate is located at a second position, the test needle plate is located above the machine table outside the tested PCB, and the test turning plate abuts against the limiting block. The limiting block is convenient for the test to turn over the board and turn over the board after the board is turned up to the test spacing, is convenient for subsequent taking.
The utility model has the advantages that: the utility model adjusts the position of the PCB through the XY-axis horizontal moving platform, thereby being convenient for the adjustment of different PCB positions and having wider adaptability; through setting up the test faller on the board is turned over in the test, be convenient for quick press the test needle at the check point, then utilize detecting instrument to receive the test needle, realize detecting, improved detection efficiency and detection success rate.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic side view of the whole of the present invention.
Fig. 3 is an overall top view of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the XY-axis horizontal moving platform of the present invention.
Fig. 5 is a schematic view of the overall three-dimensional rear-view three-dimensional structure of the present invention.
In the figure, 1, a machine table, 2, an object stage, 3, a test turning plate, 4, a test needle plate, 5, an electromagnet, 6, a buffer, 7, an adsorption piece, 8, an adjusting component, 9, an avoiding notch, 10, a positioning pin, 11.XY-axis horizontal moving platform, 12.Y-axis sliding rail, 13.Y-axis sliding table, 14.X-axis sliding rail, 15.X-axis sliding table, 16 micrometer, 17, an adjusting arm and 18 limiting block are arranged.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.
The implementation is as follows: a disposable PCB line impedance testing device comprises a machine table 1; an XY-axis horizontal moving stage 11 for adjusting the position in the plane of an object mounted on the XY-axis horizontal moving stage 11; the object stage 2 is arranged on the XY-axis horizontal moving platform 11, the position of the object stage 2 is adjusted through the XY-axis horizontal moving platform 11, and a positioning assembly for positioning the PCB to be detected is arranged on the object stage 2; the testing turning plate 3 is hinged with the top of the machine table 1, and the testing turning plate 3 is provided with a first turning position and a second turning position; the test needle plate 4 is arranged on the test turning plate 3, the test turning plate 3 is located at a first position, a test needle of the test turning plate 3 abuts against a detection point of the PCB to be tested, the test turning plate 3 is located at a second position, and the test needle of the test turning plate 3 is separated from the detection point of the PCB to be tested.
In the design, the position of the PCB is adjusted through the XY-axis horizontal moving platform 11, so that the PCB is convenient to adjust for different PCB positions, and the adaptability is wider; through setting up test faller 4 on test turns over board 3, be convenient for quick press the test needle at the check point, then utilize detecting instrument to receive the test needle, realize detecting, improved detection efficiency and detection success rate.
The test needle plate 4 is detachably and mechanically connected with the test turning plate 3. The test needle plate 4 is convenient to replace, and the test needle plate is suitable for testing different PCBs.
The both sides of objective table 2 are equipped with and extend to the dodge breach 9 of being surveyed the PCB below, be equipped with on objective table 2 and be used for the locating pin 10 to being surveyed the PCB location. Dodge breach 9 and be convenient for get fast and put PCB, locating pin 10 is convenient for fix a position PCB, the accurate butt joint of the check point on test needle and the PCB of being convenient for.
The XY-axis horizontal moving platform 11 comprises a Y-axis slide rail 12 horizontally arranged on the machine table 1, a Y-axis sliding table 13 connected with the Y-axis slide rail 12 in a sliding manner, an X-axis slide rail 14 horizontally arranged on the Y-axis sliding table 13, and an X-axis sliding table 15 in sliding fit with the X-axis slide rail 14, wherein the object table 2 is arranged on the top surface of the X-axis sliding table 15, and the X-axis slide rail 14 is perpendicular to the Y-axis slide rail 12. Simple structure is convenient for adjust PCB at plane optional position for testing arrangement suitability is wider.
The machine table 1 is provided with two groups of adjusting assemblies 8 which are used for adjusting the X-axis sliding table 15 and the Y-axis sliding table 13 respectively, and the adjustment is convenient.
Every group the adjustment subassembly 8 include two relative settings and do not set up micrometer 16 of chi frame, respectively with the adjusting arm 17 that X axle slip table 15 and Y axle slip table 13 linked firmly, micrometer 16's micrometer screw rod tip butts respectively adjusting arm 17 is towards the side of moving direction, and the adjustment is more accurate, is applicable to the less occasion of PCB check point.
The machine table 1 is provided with a buffer 6, the test turning plate 3 is located at the first position, the buffer 6 abuts against the test turning plate 3, and the buffer 6 is compressed. The buffer 6 prevents the test pin from damaging the PCB.
The machine table 1 is provided with an electromagnet 5, and the test turning plate 3 is provided with an adsorption piece 7 which is mutually attracted with the electromagnet 5 when the test turning plate 3 is at the first position. The PCB test point is convenient to guarantee that the test needle always presses the PCB test point when detecting.
The testing device is characterized in that a limiting block 18 is arranged on the machine table 1, the testing turning plate 3 is located at a first position, the testing needle plate 4 is located right above a detection point of a tested PCB, the testing turning plate 3 is located at a second position, the testing needle plate 4 is located above the machine table 1 and outside the tested PCB, and the testing turning plate 3 abuts against the limiting block 18. The limiting block 18 is convenient for limiting the test turning plate 3 after the test turning plate 3 is turned up, and is convenient for subsequent taking.
Example 2: the difference between this embodiment and other embodiments is that each group the adjustment assembly 8 includes the lead screw that is connected with the rotation of board 1, set up in nut on X axle slip table 15 and the Y axle slip table 13, the nut with the lead screw cooperation, simple structure, the adjustment is convenient.
During operation, when using for the first time, place PCB on the objective table, adjust adjustment assembly 8 until the detection point of PCB board corresponds with the test needle on the test faller. The switching on electromagnet works, the test needle on the test needle plate is in contact with the detection plate of the PCB to complete the test, the turnover test panel is turned over to the second position, the PCB to be tested is placed on the objective table after the PCB is taken out, the turnover test panel is turned over to the first position again, the switching on electromagnet works, the test needle on the test needle plate is in contact with the detection plate of the PCB, and the steps are repeated to detect the PCB one by one.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (10)
1. A PCB line impedance disposable testing device is characterized by comprising:
a machine platform;
the XY axis horizontal moving platform is used for adjusting the position of an object arranged on the XY axis horizontal moving platform in a plane;
the object stage is arranged on the XY-axis horizontal moving platform, the position of the object stage is adjusted through the XY-axis horizontal moving platform, and a positioning assembly for positioning the PCB to be detected is arranged on the object stage;
the testing turning plate is hinged with the top of the machine table and provided with a first turning position and a second turning position;
the test needle plate is arranged on the test turning plate, the test turning plate is located at a first position, a test needle of the test turning plate abuts against a detection point of the PCB to be tested, the test turning plate is located at a second position, and the test needle of the test turning plate is separated from the detection point of the PCB to be tested.
2. The PCB circuit impedance disposable test device of claim 1, wherein the test needle plate is detachably and mechanically connected with the test turning plate.
3. The disposable PCB circuit impedance testing device of claim 1, wherein, the two sides of the object stage are provided with avoidance notches extending to the lower part of the tested PCB, and the object stage is provided with positioning pins for positioning the tested PCB.
4. The PCB circuit impedance one-time test device of claim 1, wherein the XY-axis horizontal moving platform comprises a Y-axis slide rail horizontally arranged on the machine platform, a Y-axis sliding table slidably connected with the Y-axis slide rail, an X-axis slide rail horizontally arranged on the Y-axis sliding table, and an X-axis sliding table slidably matched with the X-axis slide rail, the object platform is arranged on the top surface of the X-axis sliding table, and the X-axis slide rail is perpendicular to the Y-axis slide rail.
5. The disposable PCB circuit impedance testing device of claim 4, wherein two groups of adjusting components for respectively adjusting the X-axis sliding table and the Y-axis sliding table are arranged on the machine table.
6. The PCB line impedance one-time testing device according to claim 5, wherein each group of adjusting assemblies comprises two micrometers which are oppositely arranged and are not provided with a micrometer frame, and adjusting arms which are fixedly connected with the X-axis sliding table and the Y-axis sliding table respectively, and the end parts of micrometer screws of the micrometers respectively abut against the side faces of the adjusting arms facing to the moving direction.
7. The PCB circuit impedance one-time testing device of claim 5, wherein each group of adjusting components comprises a screw rod rotationally connected with a machine table, and nuts arranged on the X-axis sliding table and the Y-axis sliding table, and the nuts are matched with the screw rod.
8. The disposable PCB circuit impedance testing device of claim 1, wherein a buffer is arranged on the machine table, the testing turning plate is in the first position, the buffer abuts against the testing turning plate, and the buffer is compressed.
9. The PCB circuit impedance one-time test device of claim 8, wherein the machine station is provided with an electromagnet, and the test turning plate is provided with an adsorption piece which is mutually attracted with the electromagnet when the test turning plate is at the first position.
10. The PCB circuit impedance one-time testing device as recited in claim 1, wherein a limit block is arranged on the machine table, the testing turning plate is at a first position, the testing pin plate is positioned right above a detection point of the PCB to be tested, the testing turning plate is at a second position, the testing pin plate is positioned above the machine table outside the PCB to be tested, and the testing turning plate abuts against the limit block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313940.9U CN218675202U (en) | 2022-09-01 | 2022-09-01 | Disposable testing arrangement of PCB circuit impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313940.9U CN218675202U (en) | 2022-09-01 | 2022-09-01 | Disposable testing arrangement of PCB circuit impedance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218675202U true CN218675202U (en) | 2023-03-21 |
Family
ID=85559277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222313940.9U Active CN218675202U (en) | 2022-09-01 | 2022-09-01 | Disposable testing arrangement of PCB circuit impedance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218675202U (en) |
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2022
- 2022-09-01 CN CN202222313940.9U patent/CN218675202U/en active Active
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