PCB electrical performance testing device

Abstract

The utility model provides a PCB electrical performance testing device, which belongs to the technical field of PCB production, and is characterized in that a machine body of the PCB electrical performance testing device is provided with a bearing mechanism, the bearing mechanism comprises a workbench and a first driving device, and the first driving device drives the workbench to rotate on the machine body; the workbench is provided with a plurality of bearing positions for bearing PCBs. A testing mechanism is further arranged in the machine body and comprises a testing head and a second driving device, the second driving device is arranged below the workbench, the testing head is arranged at the output end of the second driving device, and the second driving device drives the testing head to ascend and descend so that the testing head can be close to or away from the bearing position; a metering device is arranged above the workbench and faces the workbench. The PCB electrical performance testing device can automatically meter the number of testing times in the testing process, so that the complexity and errors of manual recording are avoided, and the testing efficiency, accuracy and reliability during PCB testing can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board production, in particular to a PCB electrical performance testing device. Background Art

[0002] With the rapid development of electronic technology today, printed circuit boards (PCBs) are an indispensable part of electronic equipment. The performance and quality of PCBs are directly related to the stability and reliability of the entire electronic equipment. Therefore, it is particularly important to conduct strict electrical performance tests on PCBs during the production process.

[0003] Prior art CN220231914U discloses a PCB board testing device, comprising a test box, a test structure, a replacement structure, a pressing structure, a limiting structure, an installation structure and a PCB board body; the performance of the PCB board body is tested by the test structure, and the test structure is quickly replaced by the replacement structure, the operation is quick and simple, and the flexibility of the device is improved; the PCB board body is pressed by the pressing structure to make the PCB board body fully contact with the probe, so that the needle board can test the PCB board body better, and the pressing plate is quickly replaced by the limiting structure, which is suitable for applying downward pressure to PCB board bodies of different sizes, thereby improving the use effect of the device; the installation structure comprises a pressing rod, which is convenient for replacing the position of the pressing rod according to the position of the electrical components on the PCB board body, avoiding the pressing rod from damaging the electrical components, and at the same time facilitating the replacement of pressing rods of different lengths, so that the force on the PCB board body is more uniform, thereby improving the applicability and use effect of the device.

[0004] However, the test device cannot automatically record the number of tested PCB boards during the measurement process, and there is still room for improvement. Utility Model Content

[0005] In order to overcome the problems existing in the related art, the purpose of the utility model is to provide a PCB electrical performance testing device, which can automatically measure the number of tests during the test process, thereby avoiding the tediousness and errors of manual recording, and can improve the test efficiency, accuracy and reliability during PCB testing.

[0006] A PCB electrical performance testing device, comprising:

[0007] A machine body, wherein a bearing mechanism is arranged on the machine body, wherein the bearing mechanism comprises a workbench and a first driving device, wherein the first driving device drives the workbench to rotate on the machine body; and the workbench is provided with a plurality of bearing positions for bearing PCB boards;

[0008] The machine body is further provided with a testing mechanism, the testing mechanism comprising a testing head and a second driving device, the second driving device being provided below the workbench, the testing head being provided at an output end of the second driving device, the second driving device driving the testing head to rise and fall, so that the testing head approaches or moves away from the carrying position;

[0009] A metering device is arranged above the workbench and is arranged toward the workbench.

[0010] In a preferred technical solution of the present utility model, the cross-section of the workbench is circular, the first driving device includes a driving motor and a coupling, the driving motor is arranged in the machine body, a connecting rod is arranged at the bottom of the workbench, and the coupling is connected to the connecting rod and the output end of the driving motor.

[0011] In a preferred technical solution of the utility model, two bearing positions are provided on the workbench, and the two bearing positions are symmetrically arranged about the axis center of the workbench;

[0012] A carrying plate is arranged on the carrying position, and a plurality of clamping positions for clamping the PCB board are arranged on the carrying plate.

[0013] In a preferred technical solution of the utility model, a third driving device and a guide rod are further provided at the bottom of the workbench, the guide rod is arranged along the length direction of the bearing position, and the third driving device is arranged on one side of the bearing position;

[0014] A mounting seat is provided at the bottom of the bearing plate, the top of the mounting seat is fixedly connected to the bearing plate, one side of the mounting seat is clamped with the guide rod, and the output end of the third driving device is fixedly connected to the mounting seat.

[0015] In a preferred technical solution of the utility model, the metering device includes a support frame and a metering probe, the support frame is arranged on the machine body and located on one side of the workbench; the metering probe is arranged on the support frame and located above the workbench.

[0016] In a preferred technical solution of the utility model, the test head includes a substrate, a test board and a test needle, the substrate is fixed to the output end of the second driving device, and the test board is fixed on the substrate; a needle holder is also provided on the substrate, and a plurality of test needles are provided on the needle holder, and the test needles are electrically connected to the test board.

[0017] In a preferred technical solution of the utility model, a mounting hole is provided on the substrate, two mounting holes are symmetrically arranged on the substrate, two connecting ends are provided on the needle seat, screw holes are respectively provided on the two connecting ends, and each screw hole corresponds to one mounting hole.

[0018] In a preferred technical solution of the utility model, a display screen is also provided on the machine body, and the display screen is electrically connected to the metering device.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides a PCB electrical performance test device, wherein a bearing mechanism is arranged on the body of the PCB electrical performance test device, the bearing mechanism comprises a workbench and a first driving device, the first driving device drives the workbench to rotate on the body; a plurality of bearing positions for bearing PCB boards are arranged on the workbench. The bearing positions are used to place the PCB board to be tested. A testing mechanism is also arranged in the body, the testing mechanism comprises a test head and a second driving device, the second driving device is arranged below the workbench, the test head is arranged at the output end of the second driving device, and the second driving device drives the test head to rise and fall, so that the test head is close to or away from the bearing position; a metering device is arranged above the workbench, and the metering device is arranged toward the workbench. During the test, the second driving device drives the test head to rise and fall, so that the test head is connected with the PCB board in the bearing position, and then the electrical performance of the PCB board is tested. By arranging a rotatable workbench and a plurality of bearing positions, the device can process a plurality of PCB boards at the same time, and the test efficiency is further improved. The first driving device drives the workbench to rotate, which is convenient for continuously and quickly replacing the PCB board to be tested, and reduces the waiting time during the test. In addition, by setting up a metering device, the test device can automatically measure the number of tests during the test process, thereby avoiding the tediousness and errors of manual recording, and can improve the test efficiency, accuracy and reliability during PCB testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional diagram of a PCB electrical performance testing device provided in an embodiment of the utility model;

[0022] Figure 2 It is a rear view of the PCB electrical performance testing device provided in the embodiment of the utility model;

[0023] Figure 3 is a three-dimensional diagram of the cooperation between the carrying plate and the third driving device provided in the embodiment of the utility model;

[0024] Figure 4 It is a three-dimensional diagram of a testing mechanism provided in an embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of the structure of the needle seat and the base plate provided in the embodiment of the utility model.

[0026] Reference numerals:

[0027] 1. Machine body; 11. Display screen; 2. Carrying mechanism; 21. Workbench; 22. First driving device; 221. Driving motor; 222. Coupling; 23. Carrying position; 24. Guide rod; 25. Third driving device; 3. Measuring device; 31. Support frame; 32. Measuring probe; 4. Carrying plate; 41. Mounting seat; 5. Testing mechanism; 51. Second driving device; 52. Base plate; 521. Mounting hole; 53. Testing board; 54. Needle seat; 541. Screw hole; 55. Testing needle; 6. PCB board. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0029] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The singular forms "a", "the" and "the" used in the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0030] It should be understood that although the terms "first", "second", "third", etc. may be used to describe various information in the present invention, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. Example

[0031] like Figure 1-Figure 5 As shown, this embodiment provides a PCB electrical performance testing device, including:

[0032] The machine body 1 is provided with a carrying mechanism 2, the carrying mechanism 2 includes a workbench 21 and a first driving device 22, the first driving device 22 drives the workbench 21 to rotate on the machine body 1; the workbench 21 is provided with a plurality of carrying positions 23 for carrying PCB boards 6; the machine body 1 serves as the main body of the test device, and specifically, the machine body 1 is also provided with a control device for centrally controlling the entire test device.

[0033] The body 1 is also provided with a testing mechanism 5, the testing mechanism 5 comprising a testing head and a second driving device 51, the second driving device 51 is provided below the workbench 21, the testing head is provided at the output end of the second driving device 51, the second driving device 51 drives the testing head to rise and fall, so that the testing head approaches or moves away from the carrying position 23;

[0034] Specifically, the test head includes a substrate 52, a test board 53 and a test needle 55. The substrate 52 is fixed to the output end of the second driving device 51, and the test board 53 is fixed on the substrate 52; a needle holder 54 is also provided on the substrate 52, and a plurality of test needles 55 are provided on the needle holder 54, and the test needles 55 are electrically connected to the test board 53.

[0035] A measuring device 3 is disposed above the workbench 21 , and the measuring device 3 is disposed toward the workbench 21 .

[0036] During the test, the second driving device 51 drives the substrate 52 upward, so that the test needles 55 on the needle holder 54 are inserted into the pinholes of the PCB board 6 at the bearing position 23 , thereby achieving electrical testing of the PCB board 6 .

[0037] The above-mentioned PCB electrical performance test device has a bearing mechanism 2 disposed on the body 1 of the PCB electrical performance test device, the bearing mechanism 2 includes a workbench 21 and a first driving device 22, the first driving device 22 drives the workbench 21 to rotate on the body 1; the workbench 21 is provided with a plurality of bearing positions 23 for bearing PCB boards 6. The bearing positions 23 are used to place the PCB boards 6 to be tested. The body 1 is also provided with a testing mechanism 5, the testing mechanism 5 includes a test head and a second driving device 51, the second driving device 51 is disposed below the workbench 21, the test head is disposed at the output end of the second driving device 51, and the second driving device 51 drives the test head to rise and fall so that the test head approaches or moves away from the bearing position 23; a metering device 3 is disposed above the workbench 21, and the metering device 3 is disposed toward the workbench 21. During the test process, the second driving device 51 drives the test head to rise and fall so that the test head is connected with the PCB board 6 in the bearing position 23, thereby testing the electrical performance of the PCB board 6. By providing a rotatable workbench 21 and a plurality of bearing positions 23, the device can process a plurality of PCB boards 6 at the same time, further improving the test efficiency. The first drive device 22 drives the workbench 21 to rotate, which is convenient for continuously and quickly replacing the PCB board 6 to be tested, and reduces the waiting time during the test process. In addition, by providing a metering device 3, the test device can automatically measure the number of tests during the test process, thereby avoiding the tediousness and errors of manual recording, and can improve the test efficiency, accuracy and reliability during PCB testing.

[0038] Furthermore, the cross-section of the workbench 21 is circular, the first driving device 22 includes a driving motor 221 and a coupling 222, the driving motor 221 is arranged in the body 1, a connecting rod is arranged at the bottom of the workbench 21, and the coupling 222 is connected to the connecting rod and the output end of the driving motor 221.

[0039] Furthermore, two carrying positions 23 are provided on the workbench 21, and the two carrying positions 23 are symmetrically arranged about the axis center of the workbench 21;

[0040] The bearing position 23 is provided with a bearing plate 4, and the bearing plate 4 is provided with a plurality of clamping positions for clamping the PCB board 6. The bearing plate 4 is provided with a plurality of clamping positions for clamping the PCB board 6, and these clamping positions can stably fix the PCB board 6 to prevent the PCB board 6 from moving or sliding during the processing, thereby ensuring the accuracy and safety of the processing.

[0041] The workbench 21 with a circular cross section makes the operation smoother and the space utilization rate higher. At the same time, the position of the bearing position 23 can be easily adjusted by driving the workbench 21 to rotate through the driving motor 221 and the coupling 222. Two bearing positions 23 are set on the circular workbench 21 and are symmetrical about the axis center of the workbench 21. Such a design allows the staff to easily access and handle the PCB board 6. No matter from which angle, the bearing position 23 can be easily reached, which improves the convenience of operation.

[0042] In a more preferred embodiment, a third driving device 25 and a guide rod 24 are further provided at the bottom of the workbench 21, the guide rod 24 is provided along the length direction of the bearing position 23, and the third driving device 25 is provided on one side of the bearing position 23;

[0043] A mounting seat 41 is provided at the bottom of the supporting plate 4 , the top of the mounting seat 41 is fixedly connected to the supporting plate 4 , one side of the mounting seat 41 is clamped with the guide rod 24 , and the output end of the third driving device 25 is fixedly connected to the mounting seat 41 .

[0044] The introduction of the third driving device 25 and the guide rod 24 enables the carrier plate 4 to move linearly smoothly and accurately along the guide rod 24. This design greatly enhances the flexibility of operation, allowing the staff to easily adjust the position of the PCB board 6 as needed to adapt to different processing requirements. It is also possible to adjust the position of the carrier plate 4 during the test process so that the pinhole of the PCB board 6 on the carrier plate 4 is opposite to the test pin 55 of the test head, thereby achieving electrical testing of the PCB board 6.

[0045] More specifically, the metering device 3 includes a support frame 31 and a metering probe 32 . The support frame 31 is arranged on the machine body 1 and located on one side of the workbench 21 ; the metering probe 32 is arranged on the support frame 31 and located above the workbench 21 .

[0046] The metering probe 32 of the present application may be an infrared probe, which is used to accurately measure the tested PCB board 6, thus saving time for manual counting.

[0047] Furthermore, the substrate 52 is provided with a mounting hole 521 symmetrically arranged on the substrate 52 , and the needle seat 54 is provided with two connecting ends, and the two connecting ends are respectively provided with screw holes 541 , and each screw hole 541 corresponds to one mounting hole 521 .

[0048] By symmetrically setting two mounting holes 521 on the substrate 52 and setting two connection ends with screw holes 541 on the needle seat 54, it is possible to ensure that the connection between the substrate 52 and the needle seat 54 is more stable. This two-point fixing design not only improves the stability of the overall structure, but also effectively prevents the swaying or loosening that may occur due to single-point fixing. Secondly, each screw hole 541 corresponds to a mounting hole 521, and this design makes the installation process simpler and more accurate. The operator can easily connect the substrate 52 and the needle seat 54 tightly together with screws, which greatly reduces the complexity and time cost of installation.

[0049] More preferably, a display screen 11 is further provided on the machine body 1 , and the display screen 11 is electrically connected to the metering device 3 .

[0050] The display screen 11 can display the data recorded by the metering device 3 in real time, such as the number of tests, test status, etc. This allows the operator to intuitively understand the current test progress and status without using other equipment or tools, which helps to improve work efficiency.

[0051] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A PCB electrical performance testing device, characterized in that: include: A machine body (1), wherein a bearing mechanism (2) is arranged on the machine body (1), wherein the bearing mechanism (2) comprises a workbench (21) and a first driving device (22), wherein the first driving device (22) drives the workbench (21) to rotate on the machine body (1); and a plurality of bearing positions (23) for bearing PCB boards (6) are arranged on the workbench (21); The machine body (1) is further provided with a testing mechanism (5), the testing mechanism (5) comprising a testing head and a second driving device (51), the second driving device (51) being arranged below the workbench (21), the testing head being arranged at an output end of the second driving device (51), and the second driving device (51) driving the testing head to rise and fall so as to make the testing head approach or move away from the carrying position (23); A metering device (3) is arranged above the workbench (21), and the metering device (3) is arranged toward the workbench (21).

2. The PCB electrical performance testing device according to claim 1, characterized in that: The cross section of the workbench (21) is circular, the first driving device (22) comprises a driving motor (221) and a coupling (222), the driving motor (221) is arranged in the machine body (1), a connecting rod is arranged at the bottom of the workbench (21), and the coupling (222) is connected to the connecting rod and the output end of the driving motor (221).

3. The PCB electrical performance testing device according to claim 1, characterized in that: Two of the bearing positions (23) are arranged on the workbench (21), and the two bearing positions (23) are arranged symmetrically about the axis center of the workbench (21); A bearing plate (4) is arranged on the bearing position (23), and a plurality of clamping positions for clamping a PCB board (6) are arranged on the bearing plate (4).

4. The PCB electrical performance testing device according to claim 3, characterized in that: A third driving device (25) and a guide rod (24) are also provided at the bottom of the workbench (21); the guide rod (24) is provided along the length direction of the bearing position (23); and the third driving device (25) is provided on one side of the bearing position (23); A mounting seat (41) is provided at the bottom of the bearing plate (4), the top of the mounting seat (41) is fixedly connected to the bearing plate (4), one side of the mounting seat (41) is clamped to the guide rod (24), and the output end of the third driving device (25) is fixedly connected to the mounting seat (41).

5. The PCB electrical performance testing device according to any one of claims 1 to 4, characterized in that: The metering device (3) comprises a support frame (31) and a metering probe (32); the support frame (31) is arranged on the machine body (1) and is located on one side of the workbench (21); and the metering probe (32) is arranged on the support frame (31) and is located above the workbench (21).

6. The PCB electrical performance testing device according to claim 1, characterized in that: The test head comprises a substrate (52), a test board (53) and a test needle (55); the substrate (52) is fixed to the output end of the second drive device (51); the test board (53) is fixed on the substrate (52); a needle holder (54) is also provided on the substrate (52); a plurality of test needles (55) are provided on the needle holder (54); and the test needles (55) are electrically connected to the test board (53).

7. The PCB electrical performance testing device according to claim 6, characterized in that: The base plate (52) is provided with a mounting hole (521), two mounting holes (521) are symmetrically arranged on the base plate (52), and two connecting ends are arranged on the needle seat (54), and screw holes (541) are respectively arranged on the two connecting ends, and each screw hole (541) corresponds to one mounting hole (521).

8. The PCB electrical performance testing device according to any one of claims 1 to 4, characterized in that: The machine body (1) is also provided with a display screen (11), and the display screen (11) is electrically connected to the metering device (3).

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