CN220584336U - Circuit board testing machine - Google Patents
Circuit board testing machine Download PDFInfo
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- CN220584336U CN220584336U CN202321695563.8U CN202321695563U CN220584336U CN 220584336 U CN220584336 U CN 220584336U CN 202321695563 U CN202321695563 U CN 202321695563U CN 220584336 U CN220584336 U CN 220584336U
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- circuit board
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- 238000012360 testing method Methods 0.000 title claims abstract description 85
- 239000000758 substrate Substances 0.000 claims description 29
- 238000001514 detection method Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a circuit board testing machine, which belongs to the technical field of circuit board production and comprises a machine body, wherein a first die-card box and a second die-card box are arranged on the machine body. The first mould card case is fixed on the organism, and the second mould card case can reciprocate to set up in the top of first mould card case, all is provided with needle bed and the test frame that are used for carrying out the circuit board test on first mould card case, the second mould card case. The tester can simultaneously electrically detect detection points on different surfaces of the circuit board, and has strong universality and high testing efficiency.
Description
Technical Field
The utility model relates to the technical field of circuit board production, in particular to a circuit board testing machine.
Background
The circuit board needs to be subjected to circuit detection before leaving the factory so as to judge whether the circuit of the circuit board is normal. Prior art CN219122280U discloses a circuit board testing arrangement, which comprises a table body, be provided with two grip blocks on the stage body, be provided with adjustment mechanism on the stage body, adjustment mechanism includes the two-way lead screw that rotates the setting on the stage body, threaded connection has two installation pieces on the two-way lead screw, every installation piece all with stage body sliding connection, two extrusion pieces of fixedly connected with on the installation piece, the slip is provided with two sliders on the stage body, every the slider all with corresponding extrusion piece sliding connection, the slider is connected with the riser through the connecting rod. The device is through the mutually supporting of extrusion piece and slider, can realize the fixed to different model circuit boards through the interval between two grip blocks of timely adjustment, and the operation is got up very simply, labour saving and time saving to improve work efficiency.
However, the device only sets up a pick-up plate and probe on the mounting bracket and detects the circuit board, so can only detect the circuit of the position of examining on one face of the circuit board, lead to the fact that the device is not applicable to the detection of multilayer circuit board, and the commonality is lower.
Therefore, it is necessary to design a testing device capable of simultaneously electrically testing the testing points on different surfaces of the circuit board to meet the production testing requirements of the multi-layer circuit board.
Disclosure of Invention
In order to overcome the problems in the related art, the utility model aims to provide a circuit board testing machine which can simultaneously perform electrical detection on detection points on different surfaces of a circuit board, and has strong universality and high testing efficiency.
A circuit board tester, comprising:
the machine body is provided with a first die-card box and a second die-card box, the first die-card box is fixed on the machine body, the second die-card box can be arranged above the first die-card box in a vertical moving mode, and the first die-card box and the second die-card box are both provided with a needle bed and a test frame for testing a circuit board.
In the preferred technical scheme of the utility model, the machine body comprises a supporting table and a supporting frame, and the supporting frame is fixed at the top of the supporting table through a supporting rod;
the first mould card case is fixed at the top of supporting bench, the second mould card case can reciprocate to set up on the support frame.
In the preferred technical scheme of the utility model, the support rod is provided with a mounting substrate, the mounting substrate is in sliding fit with the support rod, and the second mold clamping box is arranged on the mounting substrate;
the top of the support frame is provided with a driving device, the output end of the driving device is fixedly connected with the mounting substrate, and the driving device drives the mounting substrate to slide up and down on the support rod.
In the preferred technical scheme of the utility model, the mounting substrate is provided with the guide rod, the guide rod is fixed at the top of the mounting substrate, and the support frame is provided with the guide hole matched with the guide rod.
In a preferred technical scheme of the utility model, the first mold card box and the second mold card box have the same structure and both comprise:
the card box comprises a card box body, wherein the card box body is provided with a detachable needle bed, the needle bed is provided with a test rack, and the test rack is used for placing a circuit board to be detected.
In the preferred technical scheme of the utility model, a plurality of clamping grooves are formed in the clamping box main body, and each clamping groove is provided with a pluggable switch card;
the needle bed is provided with a plurality of test areas, and each test area is provided with a test needle; the switch card is arranged behind the clamping groove and can be connected with the test needle on the test area to realize the electric connection of the circuit board to be tested.
In the preferred technical scheme of the utility model, a storage cavity is arranged on the supporting table, and a cabinet door is arranged at the storage cavity.
In the preferred technical scheme of the utility model, the bottom of the machine body is provided with a plurality of liftable supporting legs, one side of each supporting leg is provided with a universal wheel, and the universal wheels are fixed at the bottom of the machine body.
The beneficial effects of the utility model are as follows:
the utility model provides a circuit board testing machine, which comprises a machine body, wherein a first mould card box and a second mould card box are arranged on the machine body. The first mould card case is fixed on the organism, and the second mould card case can reciprocate to set up in the top of first mould card case, all is provided with needle bed and the test frame that are used for carrying out the circuit board test on first mould card case, the second mould card case. The tester carries out electrical detection on the circuit board by arranging the two mould card boxes, and the two mould card boxes respectively correspond to the upper surface and the lower surface of the circuit board during testing, so that the two mould card boxes can simultaneously carry out electrical detection on detection points on different surfaces of the circuit board, and the tester is particularly suitable for detection with a multi-layer circuit board and has the characteristics of strong universality and high testing efficiency.
Drawings
FIG. 1 is a perspective view of a circuit board tester provided by the present utility model;
FIG. 2 is a perspective view of a circuit board tester according to the present utility model;
FIG. 3 is a schematic diagram of a second mold card case provided by the utility model on a supporting frame;
FIG. 4 is a perspective view of a second mold card case provided by the present utility model;
fig. 5 is a perspective view of the needle bed provided by the present utility model.
Reference numerals:
1. a body; 11. a universal wheel; 12. a support leg; 13. a mounting substrate; 14. a support frame; 141. a guide hole; 15. a guide rod; 16. a support rod; 17. a support table; 18. a storage cavity; 19. a cabinet door; 2. a first mold card box; 3. a second mold clamping box; 31. a needle bed; 311. a test zone; 312. a test needle; 32. a test rack; 33. a clamping groove; 34. a switch card; 4. a driving device.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples
The circuit board needs to be subjected to circuit detection before leaving the factory so as to judge whether the circuit of the circuit board is normal. Prior art CN219122280U discloses a circuit board testing arrangement, which comprises a table body, be provided with two grip blocks on the stage body, be provided with adjustment mechanism on the stage body, adjustment mechanism includes the two-way lead screw that rotates the setting on the stage body, threaded connection has two installation pieces on the two-way lead screw, every installation piece all with stage body sliding connection, two extrusion pieces of fixedly connected with on the installation piece, the slip is provided with two sliders on the stage body, every the slider all with corresponding extrusion piece sliding connection, the slider is connected with the riser through the connecting rod. The device is through the mutually supporting of extrusion piece and slider, can realize the fixed to different model circuit boards through the interval between two grip blocks of timely adjustment, and the operation is got up very simply, labour saving and time saving to improve work efficiency.
However, the device only sets up a pick-up plate and probe on the mounting bracket and detects the circuit board, so can only detect the circuit of the position of examining on one face of the circuit board, lead to the fact that the device is not applicable to the detection of multilayer circuit board, and the commonality is lower. Therefore, the application provides a novel circuit board testing machine, so as to overcome the defects of the prior art.
As shown in fig. 1 to 5, the circuit board tester includes:
the machine body 1, be equipped with first mould card case 2 and second mould card case 3 on the machine body 1, first mould card case 2 is fixed on the machine body 1, second mould card case 3 can reciprocate to set up the top of first mould card case 2 mould card case, first mould card case 2 all be provided with needle bed 31 and the test frame 32 that are used for carrying out the circuit board test on the second mould card case 3.
Specifically, the working principle of the tester is as follows: in the testing process, a circuit board to be tested is placed on a test frame 32 of the first mold card box 2, the test frame 32 is detachably arranged on the first mold card box 2, and the needle bed 31 is arranged between the test frame 32 and the main body of the first mold card box 2. The test rack 32 is detachably provided on the first card case 2, and likewise, the test rack 32 is detachably provided on the second card case 3. Therefore, different test frames 32 are replaced according to the types of the circuit boards to be tested, so as to meet the test requirements of the circuit boards. After the circuit board is placed, the second mould card box 3 descends to drive the test rack 32 on the second mould card box 3 to press on the circuit board, meanwhile, the test rack 32 on the first mould card box 2 is pressed down, the circuit board descends to be contacted with the test needle 312 on the needle bed 31 on the first mould card box 2 and the lower surface of the circuit board, and the test needle 312 is inserted into a to-be-detected point, so that the electrical performance detection can be performed. At the same time, the test pins 312 on the second mold card case 3 are also in contact with the upper surface of the circuit board, and the test points on the upper surface of the circuit board are also subjected to electrical performance detection. Therefore, in practical application, the tester can detect the electrical properties of the circuit board from the upper surface and the lower surface, and can also replace different test frames 32 to detect different circuit boards, so that the tester has wide application range and high test efficiency.
The circuit board testing machine comprises a machine body 1, wherein a first die-card box 2 and a second die-card box 3 are arranged on the machine body 1. The first mould card case 2 is fixed on the machine body 1, the second mould card case 3 can move up and down and is arranged above the first mould card case 2 mould card case, and the first mould card case 2 and the second mould card case 3 are respectively provided with a needle bed 31 and a test frame 32 for testing a circuit board. The tester carries out electrical detection on the circuit board by arranging the two mould card boxes, and the two mould card boxes respectively correspond to the upper surface and the lower surface of the circuit board during testing, so that the two mould card boxes can simultaneously carry out electrical detection on detection points on different surfaces of the circuit board, and the tester is particularly suitable for detection with a multi-layer circuit board and has the characteristics of strong universality and high testing efficiency.
More specifically, the machine body 1 comprises a supporting table 17 and a supporting frame 14, and the supporting frame 14 is fixed on the top of the supporting table 17 through a supporting rod 16;
the first die-clamping box 2 is fixed on the top of the supporting table 17, and the second die-clamping box 3 is arranged on the supporting frame 14 in a vertical moving way. Specifically, the support rods 16 are arranged on the support table 17, the 4 support rods 16 are vertically arranged on the surface of the support table 17, the second mold clamping box 3 is movably arranged on the 4 support rods 16, and the support rods 16 are moved up and down to realize the detection of the electrical property of the circuit board. The 4 support rods 16 can form guiding and supporting functions on the movement of the second mold card box 3 from a plurality of different points, so that the movement stability of the second mold card box 3 is ensured.
More specifically, the support rod 16 is provided with a mounting substrate 13, the mounting substrate 13 is in sliding fit with the support rod 16, and the second mold clamping box 3 is arranged on the mounting substrate 13;
the top of the supporting frame 14 is provided with a driving device 4, the output end of the driving device 4 is fixedly connected with the mounting substrate 13, and the driving device 4 drives the mounting substrate 13 to slide up and down on the supporting rod 16.
The cross section of the mounting substrate 13 is rectangular, through holes are formed in four corners of the mounting substrate 13, and the support rods 16 penetrate through the through holes. The driving device 4 is fixed on the top of the supporting frame 14, and the output end of the driving device 4 is connected with the upper surface of the mounting substrate 13, so that the mounting substrate 13 can be driven to move up and down on the supporting rod 16, and further the up and down movement of the second die-card box 3 is realized.
In a more preferred embodiment, the mounting substrate 13 is provided with a guide rod 15, the guide rod 15 is fixed on the top of the mounting substrate 13, and the support frame 14 is provided with a guide hole 141 adapted to the guide rod 15. More specifically, two guide holes 141 are provided in the support frame 14, the guide rod 15 vertically penetrates the guide holes 141, and the guide holes 141 and the guide rod 15 cooperate with each other to guide the movement of the mounting substrate 13. The arrangement of the two guide rods 15 ensures that the two sides of the mounting substrate 13 are uniformly stressed, so that the mounting substrate 13 can stably move up and down on the supporting frame 14.
More specifically, the first die-card case 2 and the second die-card case 3 have the same structure, and each include:
the card box comprises a card box body, wherein the card box body is provided with a detachable needle bed 31, the needle bed 31 is provided with a test rack 32, and the test rack 32 is used for placing a circuit board to be detected. The circuit board is placed on the test rack 32 for testing, and different test racks 32 can be replaced to adapt to the testing of different circuit boards, so that the application range of the tester is wider
In a more preferred embodiment, the card box body is provided with a plurality of clamping grooves 33, and each clamping groove 33 is provided with a pluggable switch card 34;
a plurality of test areas 311 are arranged on the needle bed 31, and each test area 311 is provided with a test needle 312; the switch card 34 is disposed in the card slot 33, and can be connected with the test pins 312 on the test area 311 to realize electrical connection of the circuit board to be tested.
The card box main body is provided with the plurality of card slots and the pluggable switch cards 34, so that different switch cards 34 can be inserted into the card slots according to the needs in the test process, and the test requirements of different test points can be met. In practical application, the card gate can be inserted into three or four card slots as required. Each switch card 34 corresponds to a different test area 311, and the corresponding switch card 34 is inserted into the corresponding card slot, so that the test pins 312 of the corresponding test area 311 can be controlled, and the electrical connection between the test pins 312 of different areas and test points of the circuit board can be realized.
In a more preferred embodiment, the supporting table 17 is provided with a storage cavity 18, and a cabinet door 19 is provided at the storage cavity 18. The storage chamber 18 can be used to hold production materials during the production process, preventing the material in the production area from being too scattered and causing errors in production.
In one embodiment, the bottom of the machine body 1 is provided with a plurality of liftable supporting legs 12, and one side of each supporting leg 12 is provided with a universal wheel 11. The universal wheels 11 facilitate the movement of the machine body 1, and the supporting legs 12 are used for supporting the machine body 1 after the machine body 1 moves in place. More specifically, the legs 12 are lifted up when the body 1 needs to be moved, so that the universal wheels 11 contact the placement base surface of the body 1. After the machine body 1 moves in place, the supporting legs 12 fall to be in contact with the placing machine surface of the machine body 1, so that the universal wheels 11 are not grounded, and the machine body 1 cannot move at the moment, and can work stably.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures. The foregoing description of the preferred embodiments of the utility model is merely exemplary in nature and is in no way intended to limit the utility model,
various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A circuit board tester, comprising:
organism (1), be equipped with first mould card case (2) and second mould card case (3) on organism (1), first mould card case (2) are fixed on organism (1), second mould card case (3) can reciprocate and set up the top of first mould card case (2) mould card case, first mould card case (2) all be provided with needle bed (31) and test jig (32) that are used for carrying out the circuit board test on second mould card case (3).
2. The circuit board tester according to claim 1, wherein:
the machine body (1) comprises a supporting table (17) and a supporting frame (14), and the supporting frame (14) is fixed at the top of the supporting table (17) through a supporting rod (16);
the first mould card box (2) is fixed at the top of the supporting table (17), and the second mould card box (3) can be arranged on the supporting frame (14) in an up-and-down moving way.
3. The circuit board tester according to claim 2, wherein:
the support rod (16) is provided with a mounting substrate (13), the mounting substrate (13) is in sliding fit with the support rod (16), and the second mold clamping box (3) is arranged on the mounting substrate (13);
the top of the supporting frame (14) is provided with a driving device (4), the output end of the driving device (4) is fixedly connected with the mounting substrate (13), and the driving device (4) drives the mounting substrate (13) to slide up and down on the supporting rod (16).
4. A circuit board tester according to claim 3, wherein:
the mounting substrate (13) is provided with a guide rod (15), the guide rod (15) is fixed at the top of the mounting substrate (13), and the support frame (14) is provided with a guide hole (141) matched with the guide rod (15).
5. The circuit board tester according to claim 1, wherein:
the first mould card box (2) and the second mould card box (3) are identical in structure and both comprise:
the card box comprises a card box body, wherein the card box body is provided with a detachable needle bed (31), the needle bed (31) is provided with a test rack (32), and the test rack (32) is used for placing a circuit board to be detected.
6. The circuit board tester according to claim 5, wherein:
the clamping box body is provided with a plurality of clamping grooves (33), and each clamping groove (33) is provided with a pluggable switch card (34);
a plurality of test areas (311) are arranged on the needle bed (31), and each test area (311) is provided with a test needle (312); the switch card (34) is arranged behind the clamping groove (33) and can be connected with the test needle (312) on the test area (311) so as to realize the electrical connection of the circuit board to be tested.
7. The circuit board tester according to claim 2, wherein:
the supporting table (17) is provided with a storage cavity (18), and a cabinet door (19) is arranged at the storage cavity (18).
8. The circuit board testing machine according to any one of claims 1 to 7, wherein:
the bottom of organism (1) is equipped with a plurality of landing legs (12) that can go up and down, every landing leg (12) one side all is equipped with universal wheel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695563.8U CN220584336U (en) | 2023-06-29 | 2023-06-29 | Circuit board testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695563.8U CN220584336U (en) | 2023-06-29 | 2023-06-29 | Circuit board testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220584336U true CN220584336U (en) | 2024-03-12 |
Family
ID=90119503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321695563.8U Active CN220584336U (en) | 2023-06-29 | 2023-06-29 | Circuit board testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220584336U (en) |
-
2023
- 2023-06-29 CN CN202321695563.8U patent/CN220584336U/en active Active
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