Detection device for burn-in boards

Abstract

The present application relates to the technical field of detection devices for burn-in boards. Disclosed is a detection device for burn-in boards. The detection device comprises a base, wherein a test board is connected to the base, several retractable detection pins are connected to the side of the test board away from the base, a mounting plate is slidably connected to the base, a first driving member for driving the mounting plate to slide in a direction close to or away from the test board is connected to the base, the mounting plate is provided with a mounting slot for a burn-in board to be engaged in and is provided with channels for the several retractable detection pins to pass through, the mounting slot is in communication with the channels, several limiting blocks for abutting against the burn-in board are connected to each of the inner walls of two opposite sides of the mounting slot, and the channels are located between the limiting blocks and the retractable detection pins. In the present application, the inner walls of the mounting slot, the several retractable detection pins and the several limiting blocks play a limiting role in the movement of a burn-in board, thereby improving the stability of the placement of the burn-in board.

Description

A detection device for aging board TECHNICAL FIELD

[0001] The application relates to the technical field of detection devices for aging boards, in particular to a detection device for aging boards. BACKGROUND

[0002] The aging board is inserted into the detection device to detect the connection performance and withstand voltage test of the aging board.

[0003] The existing Chinese patent with the publication number CN212483771U discloses a high-voltage test jig, which comprises a base, a detection mechanism and a high-voltage test circuit unit. The detection mechanism is arranged on the base and is used for detecting a PCB circuit board. The input end of the detection mechanism is provided with a soldering structure. The high-voltage test circuit unit is arranged in the base and is electrically connected with the detection mechanism.

[0004] The high-voltage test jig adopts the high-voltage test circuit unit, so that the withstand voltage value between the PCB circuit board networks can reach 3000V. The detection end with the soldering structure at the tail can detect the high-voltage breakdown value of the PCB circuit board and the base material (aluminum). Meanwhile, the switch is directly connected with the high-voltage test circuit unit, so that the structure is simple, the maintenance operation is convenient, and the manufacturing efficiency of the jig is improved. However, the above-mentioned high-voltage test jig has some shortcomings. The PCB circuit board is first placed on the probe component, and then the PCB circuit board is pressed by the pressing component. During the pressing process of the pressing plate on the PCB circuit board, displacement occurs, which affects the test result of the PCB circuit board, and needs to be improved. SUMMARY

[0005] The application aims to provide a detection device for aging boards to improve the stability of the aging board.

[0006] The detection device for aging boards comprises a base, a test plate connected with the base, a plurality of telescopic detection needles connected with the side of the test plate away from the base, a mounting plate in sliding connection with the base, a first driving member connected with the base and used for driving the mounting plate to slide in the direction of approaching or moving away from the test plate, a mounting groove provided in the mounting plate and used for clamping the aging board, a channel provided in the mounting plate and used for the plurality of telescopic detection needles to pass through, the mounting groove and the channel being in communication, a plurality of limiting blocks connected with the inner walls of the two sides of the mounting groove and used for abutting against the aging board, and the channel being located between the limiting blocks and the telescopic detection needles.

[0007] By adopting the technical scheme, the aging board is clamped into the installation slot, the outer surface of the aging board is attached to the inner wall of the installation slot and the plurality of limiting blocks, the inner wall of the installation slot plays a role of preliminary positioning for the aging board, the first driving member drives the installation plate to slide towards the direction close to the test board until the aging board abuts against the telescopic detection needle, the aging board is clamped by the telescopic detection needle and the plurality of limiting blocks, the inner wall of the installation slot, the plurality of telescopic detection needles and the plurality of limiting blocks play a role of limiting the movement of the aging board, thereby improving the stability of the aging board.

[0008] Optionally, the installation plate is connected with a positioning block for abutting against the aging board, and the positioning block is located between the two opposite inner walls of the installation slot.

[0009] By adopting the technical scheme, the aging board is clamped into the installation slot until one side of the aging board abuts against the positioning block, the positioning block plays a role of positioning for the placement of the aging board, and the precision of the placement of the aging board is improved.

[0010] Optionally, the base is slidably connected with a carrier plate, the installation plate is located between the carrier plate and the test board, the side of the carrier plate close to the installation plate is connected with a plurality of pressing columns for pressing the aging board, the first driving member is used for driving the carrier plate to slide along the direction close to or away from the test board, and the carrier plate drives the installation plate to slide along the direction close to or away from the test board through the connecting structure.

[0011] By adopting the technical scheme, the first driving member drives the carrier plate to slide, the installation plate slides along with the carrier plate through the connecting structure, the sliding of the installation plate is associated with the carrier plate through the connecting structure, driving is reduced, and the relevance of the overall structure is increased.

[0012] Optionally, the connecting structure includes two connecting plates connected to the carrier plate and a lifting plate connected to the connecting plates, the lifting plate is used for abutting against the installation plate, and the installation plate is located between the lifting plate and the carrier plate.

[0013] By adopting the technical scheme, the first driving member drives the carrier plate to slide in the direction close to the test plate, the lifting plate is separated from the mounting plate, the mounting plate slides in the direction close to the test plate under the influence of gravity, until the aging plate abuts against the plurality of telescopic detection needles, the plurality of telescopic detection needles support the aging plate, the aging plate stops descending, the first driving member drives the carrier plate to continue to slide in the direction close to the test plate, until the pressing column abuts against the aging plate. The inner wall of the mounting groove, the plurality of telescopic detection needles, the plurality of limiting blocks and the plurality of pressing columns limit the movement of the aging plate, improving the stability of the aging plate. The first driving member drives the carrier plate to slide in the direction away from the test plate, the lifting plate moves with the carrier plate, until the lifting plate abuts against the mounting plate and drives the mounting plate to slide in the direction away from the test plate. The movement of the mounting plate is connected through the carrier plate, the connecting plate and the lifting plate, reducing the driving and increasing the correlation degree of the overall structure.

[0014] Optionally, the base is connected with a plurality of first guide columns and a plurality of second guide columns, the carrier plate is provided with a first guide hole for sliding cooperation with the corresponding first guide column, and the mounting plate is provided with a second guide hole for sliding cooperation with the corresponding second guide column.

[0015] By adopting the technical scheme, when the carrier plate slides, the sliding cooperation of the first guide column and the first guide hole guides and limits the sliding of the carrier plate, thereby improving the stability of the sliding of the carrier plate; when the mounting plate slides, the sliding cooperation of the second guide column and the second guide hole guides and limits the sliding of the mounting plate, thereby improving the stability of the sliding of the mounting plate.

[0016] Optionally, the base is connected with a plurality of first stop columns for abutting against the carrier plate and a plurality of second stop columns for abutting against the mounting plate.

[0017] By adopting the technical scheme, the first stop column limits the sliding of the carrier plate, preventing the pressing column from damaging the aging plate, and the second stop column limits the sliding of the mounting plate, preventing the telescopic detection needle from damaging the aging plate, or the aging plate from damaging the telescopic detection needle.

[0018] Optionally, the pressing column is connected with a buffer block for abutting against the aging plate.

[0019] By adopting the technical scheme, the buffer block can be used to absorb impact energy and reduce damage to the aging plate.

[0020] Optionally, the outer circumferential surface of the pressing column is slidably connected with a ring plate, the pressing column is provided with a cavity, the pressing column is provided with an air nozzle in communication with the cavity, the ring plate is connected with a first air bag for covering the cavity, the cavity is in communication with the first air bag, the outer circumferential surface of the pressing column is connected with a second air bag, the second air bag is provided with a plurality of communication pipelines in communication with the cavity, and the pressing column is connected with a pressing plate for pressing the second air bag, and the pressing plate and the ring plate are connected through an elastic element.

[0021] By adopting the above technical scheme, the first driving member drives the pressing column to slide in the direction of approaching the aging plate, the first air bag abuts against the aging plate, the first air bag is pressed and slides with the ring plate along the length direction of the pressing column, and the elastic element is elastically deformed under pressure. In the process of deformation of the first air bag, the gas in the first air bag is transferred to the second air bag through the communication pipeline, thereby reducing the air pressure in the first air bag, facilitating the deformation of the first air bag, and avoiding damage of the first air bag due to excessive pressure, thereby prolonging the service life of the first air bag. When the first air bag is separated from the aging plate, the elastic element is elastically reset, the elastic element forces the first air bag and the ring plate to reset, and in the process of resetting of the ring plate, the pressing plate and the ring plate extrude the second air bag, so that the gas in the second air bag is transferred to the first air bag through the communication pipeline, thereby realizing the resetting of the first air bag for the next work. The first air bag and the air are both soft structures, which effectively reduce the damage to the aging plate and protect the aging plate. The inflation and exhaust of the first air bag and the second air bag are connected through the elastic element, the pressing plate, the communication pipeline and the first driving member, thereby reducing the driving and increasing the relevance of the overall structure.

[0022] Optionally, the ring plate is connected with a control button for abutting against the pressing plate, and the control button is electrically connected with the first driving member.

[0023] By adopting the above technical scheme, when the control button moves to the pressing plate, it indicates that the first air bag is in place, and at this time the control button can trigger the first driving member to stop working, thereby preventing the first air bag from being pressed too much and protecting the aging plate.

[0024] Optionally, the mounting plate is slidably connected with a sliding plate, the sliding plate is connected with a material withdrawal plate for abutting against the aging plate, and the mounting plate is connected with a second driving member for driving the sliding plate to slide in the direction of approaching or moving away from the positioning block.

[0025] By adopting the above technical scheme, when the aging plate is detected, the second driving member drives the sliding plate to slide in the direction of moving away from the positioning block, that is, the material withdrawal plate also slides in the direction of moving away from the positioning block, the material withdrawal plate abuts against the aging plate and drives the aging plate to exit the mounting groove, thereby improving the disassembly efficiency of the aging plate.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The inner wall of the installation groove, the plurality of expansion detection needles, the plurality of limiting blocks and the plurality of pressing columns limit the movement of the aging board, thereby improving the stability of the aging board.

[0027] 2. The movement of the installation plate is connected through the carrier plate, the connecting plate and the lifting plate, thereby reducing the drive and increasing the correlation of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 is a schematic diagram of the overall structure of the present application embodiment 1, showing the expansion detection needle.

[0029] Fig. 2 is an enlarged view of area A of Fig. 1.

[0030] Fig. 3 is a schematic diagram of the overall structure of the present application embodiment 1, showing the connecting structure.

[0031] Fig. 4 is an enlarged view of area B of Fig. 3.

[0032] Fig. 5 is a schematic diagram of the overall structure of the present application embodiment 1, showing the positioning block.

[0033] Fig. 6 is a schematic diagram of part of the structure of the present application embodiment 1.

[0034] Fig. 7 is a schematic diagram of part of the structure of the present application embodiment 2.

[0035] Fig. 8 is a sectional view of the present application embodiment 2.

[0036] Fig. 9 is an enlarged view of area C of Fig. 8.

[0037] Reference signs: 1, base; 11, first guide column; 12, support plate; 121, first driving member; 13, second guide column; 14, first stop column; 15, second stop column; 2, test board; 21, expansion detection needle; 3, installation plate; 31, second housing; 311, second guide hole; 32, installation groove; 33, channel; 34, limiting block; 35, positioning block; 4, carrier plate; 41, pressing column; 411, buffer block; 412, cavity; 413, air nozzle; 414, second air bag; 415, communication pipeline; 416, pressing plate; 417, elastic member; 42, first housing; 421, first guide hole; 5, connecting structure; 51, connecting plate; 52, lifting plate; 6, placement plate; 61, pressure detection needle; 7, third driving member; 8, ring plate; 81, first air bag; 82, control button. DETAILED DESCRIPTION

[0038] The present application will be further described in detail below in conjunction with Figs. 1-9.

[0039] The embodiment of the present application discloses a detection device for an aging board.

[0040] Fig. 1 and Fig. 2 show the embodiment 1 of the present application, including a base 1, the upper surface of the base 1 is fixedly connected with a test board 2, the side of the test board 2 away from the base 1 is fixedly connected with a plurality of telescopic detection needles 21. The upper surface of the base 1 is fixedly connected with four first guide columns 11, the end of the first guide column 11 away from the base 1 is fixedly connected with a support plate 12.

[0041] As shown in Fig. 2, Fig. 3 and Fig. 4, the side of the support plate 12 close to the base 1 is slidingly connected with a mounting plate 3 and a carrier plate 4, the test board 2 is located between the base 1 and the mounting plate 3, the mounting plate 3 is located between the test board 2 and the carrier plate 4, and the carrier plate 4 is located between the mounting plate 3 and the support plate 12. The side of the support plate 12 away from the base 1 is fixedly connected with a first driving member 121 for driving the carrier plate 4 to slide towards or away from the base 1, the first driving member 121 is a pneumatic cylinder, and the first driving member 121 is externally connected with a controller (not shown in the figure), the signal output end of the controller is connected with the signal input end of the first driving member 121, and the side of the carrier plate 4 close to the first driving member 121 is fixedly connected with the output end of the first driving member 121. The side of the carrier plate 4 close to the mounting plate 3 is fixedly connected with a plurality of pressing columns 41, and the side of each pressing column 41 close to the mounting plate 3 is fixedly connected with a buffer block 411.

[0042] As shown in Fig. 2, Fig. 3 and Fig. 4, the carrier plate 4 drives the mounting plate 3 to slide towards or away from the test board 2 through a connecting structure 5, the connecting structure 5 includes two connecting plates 51 fixedly connected opposite to the carrier plate 4, the side of each connecting plate 51 close to the other is fixedly connected with a lifting plate 52 for abutting against the mounting plate 3, the lifting plate 52 is located at the end of the connecting plate 51 away from the carrier plate 4, and the mounting plate 3 is located between the lifting plate 52 and the carrier plate 4. The carrier plate 4 is fixedly connected with a plurality of first housings 42, the number of the first housings 42 is same as the number of the first guide columns 11, and each first housing 42 is provided with a first guide hole 421 for sliding cooperation with the corresponding first guide column 11. The upper surface of the base 1 is fixedly connected with a plurality of second guide columns 13, the mounting plate 3 is fixedly connected with a plurality of second housings 31, the number of the second housings 31 is same as the number of the second guide columns 13, and each second housing 31 is provided with a second guide hole 311 for sliding cooperation with the corresponding second guide column 13. The side of the base 1 close to the carrier plate 4 is fixedly connected with a plurality of first stop columns 14 for abutting against the carrier plate 4 and a plurality of second stop columns 15 for abutting against the mounting plate 3.

[0043] As shown in FIGS. 2, 3, 4 and 5, the mounting plate 3 is provided with a mounting groove 32 for clamping the aging board, the mounting plate 3 is provided with a plurality of passages 33 for the extension detection needles 21 to pass through, the mounting groove 32 is communicated with the passages 33, the two opposite inner walls of the mounting groove 32 are detachably connected with a plurality of limiting blocks 34 for abutting against the aging board, the limiting blocks 34 are connected with the mounting plate 3 through bolts, and the passages 33 are located between the limiting blocks 34 and the extension detection needles 21. The mounting plate 3 is fixedly connected with two positioning blocks 35 for abutting against the aging board, and the positioning blocks 35 are located between the two opposite inner walls of the mounting groove 32. The mounting plate 3 is slidingly connected with a sliding plate, the sliding plate is fixedly connected with a material return plate for abutting against the aging board on the side close to the carrier plate 4, the material return plate is located at one end of the sliding plate close to the positioning blocks 35, the mounting plate 3 is fixedly connected with a second driving member for driving the sliding plate to slide along the direction close to or away from the positioning blocks 35, the second driving member is a pneumatic cylinder, the signal output end of the controller is connected with the signal input end of the second driving member, and the side of the sliding plate close to the second driving member is fixedly connected with the output end of the second driving member. The mounting plate 3 is provided with a gap groove for clamping the material return plate, and the mounting groove 32 and the passages 33 are communicated with the gap groove.

[0044] As shown in FIGS. 5 and 6, the carrier plate 4 is slidingly connected with a placing plate 6, the mounting plate 3 is located between the placing plate 6 and the test plate 2, and the placing plate 6 is fixedly connected with a plurality of pressure detection needles 61. The carrier plate 4 is fixedly connected with a third driving member 7 for driving the placing plate 6 to slide along the direction close to or away from the mounting plate 3, the third driving member 7 is a pneumatic cylinder, the signal output end of the controller is connected with the signal input end of the third driving member 7, and the side of the placing plate 6 close to the third driving member 7 is fixedly connected with the output end of the third driving member 7.

[0045] The implementation principle of the detection device for the aging board in the embodiment is that the aging board is clamped into the mounting groove 32 until one side of the aging board abuts against the positioning block 35, and the positioning block 35 plays a positioning role in the placement of the aging board. The controller controls the first driving member 121 to open, the first driving member 121 drives the carrier plate 4 to slide in the direction close to the test board 2, the lifting plate 52 is separated from the mounting plate 3, the mounting plate 3 slides in the direction close to the test board 2 under the influence of gravity, until the aging board abuts against the plurality of telescopic detection needles 21, the plurality of telescopic detection needles 21 play a supporting role in the aging board, the aging board stops descending, the first driving member 121 drives the carrier plate 4 to continue to slide in the direction close to the test board 2, until the pressing column 41 abuts against the aging board, and the stable installation of the aging board is realized. When the aging board is detected, the first driving member 121 drives the carrier plate 4 to slide in the direction away from the test board 2, the lifting plate 52 moves with the movement of the carrier plate 4, until the lifting plate 52 abuts against the mounting plate 3 and drives the mounting plate 3 to slide in the direction away from the detection plate, so that the plurality of pressing columns 41 and the plurality of telescopic detection needles 21 are all separated from the aging board. The controller controls the second driving member to open, the second driving member drives the sliding plate to slide in the direction away from the positioning block 35, that is, the material withdrawal plate also slides in the direction away from the positioning block 35, the material withdrawal plate abuts against the aging board and drives the aging board to exit the mounting groove 32, and the disassembly efficiency of the aging board is improved.

[0046] The difference between the embodiment 2 and the embodiment 1 of the present application is that, as shown in FIG. 7, FIG. 8 and FIG. 9, the outer periphery surface of each pressing column 41 is slidably connected with a ring plate 8, a cavity 412 is formed on the side of the pressing column 41 away from the carrier plate 4, the pressing column 41 is fixedly connected with an air nozzle 413 in communication with the cavity 412, and the cavity 412 can be inflated through the air nozzle 413. The end of the ring plate 8 away from the carrier plate 4 is fixedly connected with a first air bag 81 for covering the cavity 412, and the first air bag 81 is in communication with the cavity 412. The outer periphery surface of the pressing column 41 is fixedly connected with a second air bag 414, the second air bag 414 is provided with a plurality of communication channels 415 in communication with the cavity 412, the communication channels 415 are integrally formed with the second air bag 414, and each communication channel 415 is fixedly connected with the pressing column 41. The outer periphery surface of the pressing column 41 is fixedly connected with a pressing plate 416 for pressing the second air bag 414, the pressing plate 416 is annular, the pressing plate 416 is located between the second air bag 414 and the first air bag 81, the pressing plate 416 is connected with the ring plate 8 through a plurality of elastic members 417, the elastic members 417 are springs, the pressing plate 416 is located between the elastic members 417 and the second air bag 414, and the two ends of the elastic members 417 are fixedly connected with the ring plate 8 and the pressing plate 416 respectively. The ring plate 8 is fixedly connected with a control button 82 for abutting against the pressing plate 416, the pressing plate 416 is located between the second air bag 414 and the control button 82, the control button 82 is electrically connected with the first driving member 121, and when the pressing plate 416 abuts against the control button 82, the control button 82 controls the first driving member 121 to stop running.

[0047] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A detection device for an aging board, characterized by: The utility model relates to a test board and the test board are connected with a plurality of telescopic detection needle, the base (1) slidingly connects the mounting plate (3), the base (1) is connected with the first drive piece (121) for driving the mounting plate (3) along the direction of approaching or away from the test board (2) sliding, the mounting plate (3) is provided with the installation groove (32) for aging board card, the mounting plate (3) is provided with the passageway (33) for a plurality of telescopic detection needle (21) passes through, the installation groove (32) is communicated with the passageway (33), the installation groove (32) opposite two sides inner wall all are connected with a plurality of limiting block (34) for with aging board abut, the passageway (33) is located between the limiting block (34) and the telescopic detection needle (21).

2. The detection device for an aging board according to claim 1, characterized by: The mounting plate (3) is connected with the positioning block (35) for abutting with the aging board, and the positioning block (35) is located between the opposite two sides inner walls of the installation groove (32).

3. The detection apparatus for an aging board according to claim 1, characterized by: The base (1) is slidingly connected with the carrier plate (4), the mounting plate (3) is located between the carrier plate (4) and the test board (2), one side of the carrier plate (4) close to the mounting plate (3) is connected with a plurality of pressing columns (41) for pressing the aging board, the first drive piece (121) is used for driving the carrier plate (4) along the direction of approaching or away from the test board (2) sliding, and the carrier plate (4) drives the mounting plate (3) along the direction of approaching or away from the test board (2) sliding through the connecting structure (5).

4. The detection device for an aging board according to claim 3, characterized by: The connecting structure (5) includes two connecting plates (51) connected to the carrier plate (4) and a lifting plate (52) connected to the connecting plate (51), the lifting plate (52) is used for abutting with the mounting plate (3), and the mounting plate (3) is located between the lifting plate (52) and the carrier plate (4).

5. The detection apparatus for an aging board according to claim 3, characterized by: The base (1) is connected with a plurality of first guide columns (11) and a plurality of second guide columns (13), the carrier plate (4) is provided with a first guide hole (421) for sliding cooperation with the corresponding first guide column (11), and the mounting plate (3) is provided with a second guide hole (311) for sliding cooperation with the corresponding second guide column (13).

6. The detection apparatus for an aging board according to claim 3, characterized by: The base (1) is connected with a plurality of first stop columns (14) for abutting with the carrier plate (4) and a plurality of second stop columns (15) for abutting with the mounting plate (3).

7. The detection apparatus for an aging board according to claim 3, characterized by: The pressing column (41) is connected with the buffer block (411) for abutting with the aging board.

8. The detection apparatus for an aging board according to claim 3, characterized by: The outer peripheral surface of the pressing column (41) is slidably connected with a ring plate (8), the pressing column (41) is provided with a cavity (412), the pressing column (41) is provided with an air nozzle (413) in communication with the cavity (412), the ring plate (8) is connected with a first air bag (81) for covering the cavity (412), the cavity (412) is in communication with the first air bag (81), the outer peripheral surface of the pressing column (41) is connected with a second air bag (414), the second air bag (414) is provided with a plurality of communication pipelines (415) in communication with the cavity (412), the pressing column (41) is connected with a pressing plate (416) for pressing the second air bag (414), and the pressing plate (416) is connected with the ring plate (8) through an elastic piece (417).

9. The detection device for an aging board according to claim 8, characterized by: The ring plate (8) is connected with a control button (82) for abutting against the pressing plate (416), and the control button (82) is electrically connected with the first driving piece (121).

10. The detection apparatus for an aging board according to claim 2, characterized by: The mounting plate (3) is slidably connected with a sliding plate, the sliding plate is connected with a material returning plate for abutting against an aging plate, and the mounting plate (3) is connected with a second driving piece for driving the sliding plate to slide towards the direction of being close to or away from the positioning block (35).

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