Double-layer mainboard test equipment

Abstract

The invention discloses double-layer mainboard testing equipment, and aims to provide the double-layer mainboard testing equipment which is simple in structure, accurate in positioning, multi-stage in buffering, capable of realizing synchronous detection of double-layer mainboards and capable of feeding and discharging the double-layer mainboards in a staggered and layered manner. The device comprises a bottom plate module, a needle plate module and a pressing module, the bottom plate module comprises a bottom frame and a bottom plate module, the needle plate module comprises a lower needle plate module, a middle needle plate module and an upper needle plate module, and the middle needle plate module and the lower needle plate module are sequentially arranged at the pressing end of the bottom plate module from top to bottom; a lower carrier plate module is arranged between the middle needle plate module and the lower needle plate module, the pressing module is arranged at the upper end of the middle needle plate module, an upper carrier plate module is arranged on the upper end face of the middle needle plate module, and the middle needle plate module is matched with a lower main plate on the lower carrier plate module and an upper main plate on the upper carrier plate module. And the pressing module drives the upper needle plate module to be matched with the middle needle plate module and the lower needle plate module. The method is applied to the technical field of mainboard testing.

Description

Technical Field

[0001] The invention is applied to the technical field of motherboard testing, and particularly relates to a double-layer motherboard testing device. Background Art

[0002] With the iteration and update of electronic products, in order to meet more requirements, the integration of electronic product circuit boards has become various. In order to make the product smaller in size while ensuring the function, the circuit board structure will be designed in a stacked manner. Therefore, some electronic products on the market have gradually begun to appear in the form of two-layer circuit board combination connection. Since the double-layer motherboard needs to be connected between the motherboards, it is necessary to test the connectivity between the upper and lower motherboards during the production process. Therefore, a double-layer carrier structure for testing the two-layer circuit board has appeared. The upper and lower layers of the circuit board are placed on the corresponding two-layer carriers, so that the electrical signal measurement of the circuit board itself and the conduction between the two layers can be detected. The equipment for connection and transfer. At present, most of the current technologies are single-layer carriers for the test structure of single-layer circuit boards or pull-out double-layer or double-layer same-entry and exit pick-up structures. The test requirements are relatively simple and the structure is relatively large. Although this type of carrier structure can meet the detection of double-layer motherboards, the loading and unloading process is relatively cumbersome and cannot be loaded and unloaded synchronously, which does not meet the needs of enterprises for efficient production. If a double-layer motherboard testing device with a simple structure, precise positioning, multi-level buffering, and the ability to simultaneously detect double-layer motherboards and stagger the loading and unloading of double-layer motherboards can be designed, the above problems can be solved. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a double-layer motherboard testing device with a simple structure, precise positioning, multi-level buffering, capable of realizing synchronous detection of double-layer motherboards, and capable of staggered loading and unloading of double-layer motherboards.

[0004] The technical solution adopted by the present invention is: the present invention includes a bottom plate module, a needle plate module and a pressing module, the bottom plate module includes a bottom frame and a bottom plate module, the needle plate module includes a lower needle plate module, an intermediate needle plate module and an upper needle plate module, the intermediate needle plate module and the lower needle plate module are arranged in sequence at the pressing end of the bottom plate module, a download plate module is arranged between the intermediate needle plate module and the lower needle plate module, the pressing module is arranged at the upper end of the intermediate needle plate module, an upper upload plate module is arranged on the upper end surface of the intermediate needle plate module, the upper needle plate module is arranged at the pressing end of the pressing module, the intermediate needle plate module is respectively matched with the lower main board on the download plate module and the upper main board on the upper upload plate module, and the pressing module drives the upper needle plate module to cooperate with the intermediate needle plate module and the lower needle plate module.

[0005] Furthermore, the base plate module includes a supporting base plate, a first cylinder and a second cylinder. The supporting base plate is arranged inside the bottom frame. The first cylinder and the second cylinder are respectively arranged at the upper and lower ends of the supporting base plate. The movable end of the first cylinder and the movable end of the second cylinder are respectively matched with the download plate module and the pressing module.

[0006] Furthermore, the download plate module includes a download plate slide rail and a download plate, the download plate slide rail is arranged on the upper end surface of the support base plate, the lower end surface of the download plate cooperates with the movable end of the download plate slide rail, and the movable end of the first cylinder drives the download plate to slide with the download plate slide rail.

[0007] Furthermore, a first floating module is provided between the download plate and the movable end of the download plate slide rail, and the download plate cooperates with the lower needle plate module through the first floating module.

[0008] Furthermore, the intermediate needle plate module is floatingly connected to the pressing end of the supporting base plate through a plurality of second floating modules.

[0009] Furthermore, the pressing module includes a pressing bracket, a pressing slide rail and a pressing cylinder. The pressing bracket slides with the supporting base plate through the pressing slide rail. The pressing cylinder is arranged at the upper end of the pressing bracket. The movable end of the pressing cylinder is connected to the upper needle plate module. The pressing cylinder drives the upper needle plate module to cooperate with the upper main board on the upper loading plate module.

[0010] Furthermore, a first limiting block and a second limiting block are provided at both ends of the supporting base plate, and the first limiting block and the second limiting block are respectively matched with both ends of the press-fit bracket.

[0011] Furthermore, a third limiting block and a fourth limiting block are respectively provided at the middle portion and the buffer end of the supporting bottom plate, and the third limiting block and the fourth limiting block are respectively matched with the limiting end on one side of the downloading plate.

[0012] Furthermore, a first protective cover is disposed on the upper end of the bottom frame, and a second protective cover is disposed on the upper end of the pressed bracket, and the second protective cover cooperates with the inner side of the first protective cover.

[0013] Furthermore, the second protective cover is provided with an escape opening, and the escape opening cooperates with the needle plate module.

[0014] The beneficial effects of the present invention are as follows: the upper needle plate module and the lower needle plate module are both provided with test probes and adapter plates, the upper main board signal is connected to the adapter plate through the probe of the upper needle plate module and then the test information is transmitted, the lower main board signal is connected to the adapter plate through the probe of the lower needle plate module and then the test information is transmitted, the signal conduction test between the two layers of main boards is carried out, and the relevant signals of the two are conducted through the probe of the middle needle plate module to realize the connection of the entire test path of the two layers of main boards, and the product function test is carried out, after the detection is completed, the pressing module and the download board module move in opposite directions to realize the staggered separation of the upper and lower boards and realize synchronous loading and unloading, the download board module and the middle needle plate module are both provided with floating structures, and the synchronous pressing of the upper and lower needle plates and the middle needle plate with the double-layer main board is realized through a group of downward pressure cylinders, the structure is simple and the detection efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a stereoscopic view of the present invention; Figure 2 It is a three-dimensional view of the loading and unloading state of the present invention; Figure 3 It is a three-dimensional view of the present invention in a pressing test state; Figure 4 is an exploded view of the present invention. DETAILED DESCRIPTION

[0016] like Figures 1 to 4As shown, in this embodiment, the present invention includes a bottom plate module 1, a needle plate module 2 and a pressing module 3, the bottom plate module 1 includes a bottom frame 4 and a bottom plate module 5, the needle plate module 2 includes a lower needle plate module 21, an intermediate needle plate module 22 and an upper needle plate module 23, the intermediate needle plate module 22 and the lower needle plate module 21 are arranged in sequence at the pressing end of the bottom plate module 5, a download plate module 6 is arranged between the intermediate needle plate module 22 and the lower needle plate module 21, the pressing module 3 is arranged at the upper end of the intermediate needle plate module 22, an upper upload plate module 7 is arranged on the upper end surface of the intermediate needle plate module 22, the upper needle plate module 23 is arranged at the pressing end of the pressing module 3, the intermediate needle plate module 22 is respectively matched with the lower main board 8 on the download plate module 6 and the upper main board 9 on the upper upload plate module 7, and the pressing module 3 drives the upper needle plate module 23 to cooperate with the intermediate needle plate module 22 and the lower needle plate module 21. It can be seen that the bottom plate module 5 is arranged inside the bottom frame 4, and the lower needle plate module 21 and the upper needle plate module 23 are both provided with test probes and adapter plates. The download plate module 6 can realize the entry and exit of the download plate. The upper loading plate module 7 is fixed on the middle needle plate module 22 and fixed together on the bottom plate module 5. The upper needle plate module 23 is fixed on the pressing module 3. The pressing module 3 can realize forward and backward movement and push the upper needle plate module 23 to realize alignment, pressing and conduction.

[0017] like Figures 2 to 4 As shown, in this embodiment, the bottom plate module 5 includes a supporting bottom plate 51, a first cylinder 52 and a second cylinder 53. The supporting bottom plate 51 is arranged inside the bottom frame 4. The first cylinder 52 and the second cylinder 53 are respectively arranged at the upper and lower ends of the supporting bottom plate 51. The movable end of the first cylinder 52 and the movable end of the second cylinder 53 are respectively matched with the download plate module 6 and the pressing module 3. It can be seen that the first cylinder 52 pushes the loading board end of the download plate module 6 to move, so as to realize the staggered separation and loading and unloading of the upper and lower loading boards, and the second cylinder 53 drives the pressing module 3 to move in the opposite direction, so as to realize the loading and unloading of the upper loading board.

[0018] like Figure 4 As shown, in this embodiment, the download plate module 6 includes a download plate slide rail 61 and a download plate 62, the download plate slide rail 61 is arranged on the upper end surface of the support bottom plate 51, the lower end surface of the download plate 62 cooperates with the movable end of the download plate slide rail 61, and the movable end of the first cylinder 52 drives the download plate 62 to slide with the download plate slide rail 61. It can be seen that the download plate slide rail 61 realizes the side push movement of the download plate 62, and realizes the staggered layered loading and unloading with the upper loading plate.

[0019] like Figure 4As shown, in this embodiment, a first floating module 63 is provided between the download plate 62 and the movable end of the download plate slide rail 61, and the download plate 62 cooperates with the lower needle plate module 21 through the first floating module 63. It can be seen that the first floating module 63 transmits the downward pressure downward in the pressed state, so that the lower end surface of the lower main board 8 is connected and conducted with the probe end of the lower needle plate module 21.

[0020] like Figure 4 As shown, in this embodiment, the middle needle plate module 22 is connected to the pressing end of the support bottom plate 51 in a floating manner through a plurality of second floating modules 10. It can be seen that the second floating module 10 transmits the downward pressure of the pressing module 3 to the download plate module 6, and cooperates with the first floating module 63 to achieve multi-level floating downward pressure, and the pressing force is more uniform.

[0021] like Figure 4 As shown, in this embodiment, the pressing module 3 includes a pressing bracket 31, a pressing slide rail 32 and a pressing cylinder 33. The pressing bracket 31 is slidably matched with the supporting bottom plate 51 through the pressing slide rail 32. The pressing cylinder 33 is arranged at the upper end of the pressing bracket 31. The movable end of the pressing cylinder 33 is connected to the upper needle plate module 23. The pressing cylinder 33 drives the upper needle plate module 23 to cooperate with the upper main board 9 on the upper loading plate module 7. It can be seen that the pressing slide rail 32 realizes the movement of the pressing cylinder 33, and realizes the alignment and pressing of the upper loading plate module 7.

[0022] like Figure 2 and Figure 3 As shown, in this embodiment, the first limit block 11 and the second limit block 12 are provided at both ends of the support bottom plate 51, and the first limit block 11 and the second limit block 12 are respectively matched with the two ends of the pressing bracket 31. It can be seen that the first limit block 11 and the second limit block 12 enable the pressing cylinder 33 to move accurately to the loading buffer position and the pressing test position.

[0023] like Figure 2 and Figure 3 As shown, in this embodiment, the middle part and the buffer end of the support bottom plate 51 are respectively provided with a third limit block 13 and a fourth limit block 14, and the third limit block 13 and the fourth limit block 14 are respectively matched with the limit end of one side of the download plate 62. It can be seen that the third limit block 13 and the fourth limit block 14 limit one side of the download plate 62 to achieve the pressing and alignment of the download plate 62 and the loading and unloading of the material.

[0024] like Figure 1 and Figure 4As shown, in this embodiment, a first protective cover 15 is disposed on the upper end of the bottom frame 4, and a second protective cover 16 is disposed on the upper end of the pressing bracket 31, and the second protective cover 16 cooperates with the inner side of the first protective cover 15. It can be seen that the first protective cover 15 and the second protective cover 16 can provide protection, and the second protective cover 16 can move synchronously with the pressing bracket 31 and can be stored inside the second protective cover 16.

[0025] like Figures 1 to 4 As shown, in this embodiment, the second protective cover 16 is provided with an escape opening 17, and the escape opening 17 cooperates with the needle plate module 2. It can be seen that the escape opening 17 can avoid the needle plate module 2 during loading, so that no collision occurs during loading and unloading.

[0026] The working principle of the present invention is as follows: before the equipment is started, the upper needle plate module 23 is driven to be lifted by the pressing cylinder 33, the first cylinder 52 drives the download plate 62 and the fourth limit block 14 to hold the limit, the second cylinder 53 drives the pressing bracket 31 and the first limit block 11 to hold the limit, at this time, it is a staggered layered feeding state, and the external feeding structure performs synchronous feeding on the upper loading plate module 7 and the download plate 62. After the feeding is completed, the first cylinder 52 drives the download plate 62 and the third limit block 13 to hold the limit, the The second cylinder 53 drives the pressing bracket 31 and the second limit block 12 to support the limit. At this time, the three-layer pressing plate is in alignment state. The pressing cylinder 33 drives the upper needle plate module 23 to press down, and presses the middle needle plate module 22 and the lower needle plate module 21 to connect and conduct, so as to realize the double-layer synchronous conduction test of the upper and lower main boards. After the test is completed, the pressing cylinder 33, the first cylinder 52 and the second cylinder 53 are reset, and the external loading mechanism replaces the upper and lower main boards to be tested. Repeating the above operation can realize the synchronous pressing test of the upper and lower main boards.

[0027] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A double-layer motherboard testing device, comprising a base plate module (1), a needle plate module (2) and a pressing module (3), characterized in that: The bottom plate module (1) comprises a bottom frame (4) and a bottom plate module (5); the needle plate module (2) comprises a lower needle plate module (21), an intermediate needle plate module (22) and an upper needle plate module (23); the intermediate needle plate module (22) and the lower needle plate module (21) are arranged in sequence at the pressing end of the bottom plate module (5); a lower plate module (6) is arranged between the intermediate needle plate module (22) and the lower needle plate module (21); the pressing module (3) is arranged at the intermediate needle plate module The upper end of the intermediate needle plate module (22) is provided with an upper loading plate module (7), the upper needle plate module (23) is provided at the pressing end of the pressing module group (3), the intermediate needle plate module (22) is respectively matched with the lower main board (8) on the downloading plate module (6) and the upper main board (9) on the upper loading plate module (7), and the pressing module group (3) drives the upper needle plate module (23) to cooperate with the intermediate needle plate module (22) and the lower needle plate module (21).

2. A double-layer motherboard testing device according to claim 1, characterized in that: The base plate module (5) comprises a supporting base plate (51), a first cylinder (52) and a second cylinder (53); the supporting base plate (51) is arranged inside the base frame (4); the first cylinder (52) and the second cylinder (53) are arranged at the upper and lower ends of the supporting base plate (51), respectively; the movable end of the first cylinder (52) and the movable end of the second cylinder (53) are respectively matched with the download plate module (6) and the pressing module (3).

3. A double-layer motherboard testing device according to claim 2, characterized in that: The download plate module (6) comprises a download plate slide rail (61) and a download plate (62); the download plate slide rail (61) is arranged on the upper end surface of the support base plate (51); the lower end surface of the download plate (62) cooperates with the movable end of the download plate slide rail (61); the movable end of the first cylinder (52) drives the download plate (62) to slide and cooperate with the download plate slide rail (61).

4. A double-layer motherboard testing device according to claim 3, characterized in that: A first floating module (63) is provided between the download plate (62) and the movable end of the download plate slide rail (61), and the download plate (62) cooperates with the lower needle plate module (21) via the first floating module (63).

5. A double-layer motherboard testing device according to claim 2, characterized in that: The intermediate needle plate module (22) is floatingly connected to the pressed end of the supporting base plate (51) via a plurality of second floating modules (10).

6. A double-layer motherboard testing device according to claim 2, characterized in that: The pressing module (3) comprises a pressing bracket (31), a pressing slide rail (32) and a pressing cylinder (33); the pressing bracket (31) is slidably matched with the supporting base plate (51) via the pressing slide rail (32); the pressing cylinder (33) is arranged at the upper end of the pressing bracket (31); the movable end of the pressing cylinder (33) is connected to the upper needle plate module (23); the pressing cylinder (33) drives the upper needle plate module (23) to match with the upper main plate (9) on the upper loading plate module (7).

7. A double-layer motherboard testing device according to claim 6, characterized in that: A first limiting block (11) and a second limiting block (12) are provided at both ends of the supporting base plate (51), and the first limiting block (11) and the second limiting block (12) are respectively matched with the two ends of the pressing bracket (31).

8. The double-layer motherboard testing device according to claim 3, characterized in that: A third limit block (13) and a fourth limit block (14) are respectively provided at the middle part and the buffer end of the support bottom plate (51); the third limit block (13) and the fourth limit block (14) respectively cooperate with the limit end on one side of the download plate (62).

9. A double-layer motherboard testing device according to claim 6, characterized in that: A first protective cover (15) is provided at the upper end of the bottom frame (4), and a second protective cover (16) is provided at the upper end of the press-fit bracket (31), wherein the second protective cover (16) matches the inner side of the first protective cover (15).

10. A double-layer motherboard testing device according to claim 9, characterized in that: The second protective cover (16) is provided with an escape opening (17), and the escape opening (17) cooperates with the needle plate module (2).

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