PCBA board function testing device

Abstract

The utility model relates to the technical field of PCBA (printed circuit board assembly) board testing devices, and provides a PCBA board function testing device, which comprises a casing, I-shaped rails are symmetrically arranged in the casing, a material conveying trolley moving along the direction of the rails is arranged between the rails which are symmetrically arranged, the material conveying trolley comprises a frame moving along the rails, and the rail is arranged on the frame. The top of the vehicle frame is rotationally connected with an overturning table used for bearing a PCBA board, and the bottom of the overturning table is connected with the vehicle frame through a first torsional spring. The PCBA board detection device overcomes the defects in the prior art, is reasonable in design and compact in structure, controls the turnover table to turn over when detecting that the PCBA board fails, enables the PCBA board on the turnover table to fall off from the top of the turnover table, does not need to take the failed PCBA board manually, reduces manpower, improves efficiency, controls the material conveying trolley to move upwards before detection, and improves detection efficiency. And then the position of the PCBA board is fixed through the limitation of the limiting notch, and the testing device can be aligned with the PCBA board during testing, so that the detection precision is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCBA board testing device technical field, concretely relates to a PCBA board function testing device and. BACKGROUND

[0002] In the electronic manufacturing field, the function test of printed circuit board assembly (PCBA board) is the core step to ensure that its various performance indicators meet the standards and the product quality is reliable. Tradically, this test process mainly relies on the needle plate test method, that is, a special needle plate is used to directly contact the test points on the PCBA board to be tested to realize the transmission and detection of electrical signals, so as to verify the functional integrity of the PCBA board.

[0003] However, the existing needle plate test scheme has significant deficiencies in dealing with PCBA board fault identification and subsequent processing. Specifically, when the test system detects that the PCBA board has functional defects or does not meet the preset standards, manual intervention by the operator is usually required to perform physical disassembly to remove it from the test device. This series of manual operation steps not only consumes time and effort, but also greatly limits the overall efficiency of the test process, increasing production costs. Therefore, we propose a PCBA board function test device and method. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a PCBA board function test device, which overcomes the deficiencies of the prior art, is reasonable in design, compact in structure, and solves the problem that the existing test system detects that the PCBA board has functional defects or does not meet the preset standards, and usually requires manual intervention by the operator.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a PCBA board function test device, comprising a casing, the casing is symmetrically provided with a track in the shape of an I-beam, a material conveying trolley is arranged between the symmetrically arranged tracks and moves along the direction of the track, the material conveying trolley comprises a car frame that moves along the track, a turnover table for carrying PCBA boards is rotatably connected to the top of the car frame, and a first torsional spring is connected between the bottom of the turnover table and the car frame to horizontally place the turnover table on the top of the car frame in the unforced state.

[0008] Preferably, a first air cylinder is arranged in the casing, a lifting rod is arranged at the top output end of the first air cylinder, a through hole is formed in the car frame corresponding to the lifting rod, so that the lifting rod pushes the turnover table to turn over during upward movement through the through hole.

[0009] Preferably, the outer wall of the lifting rod is provided with a lifting plate, and the top of both sides of the lifting plate is connected to a push plate by two first springs. The track is provided with a limiting notch at the top of the frame to allow it to move upward, so that the top of the frame moves upward into the limiting notch.

[0010] Preferably, the bottom of the frame has outwardly extending skirts on two sides along the track direction to prevent the frame from leaving the track through the limiting notch during upward movement.

[0011] Preferably, the housing is provided with a motor, a belt and a pair of lead screws. The motor drives the pair of lead screws to rotate synchronously through the belt. Each lead screw has a pair of support plates threaded to its outer wall. The top of the support plate on the same side is connected to the bottom of the same track, and the bottom of the support plate on the opposite side is slidably connected to the first guide rail.

[0012] Preferably, the housing has windows on both sides along the track direction to allow the material transport trolley to move out of the housing.

[0013] (III) Beneficial Effects

[0014] This utility model provides a PCBA board functional testing device and method. It has the following beneficial effects:

[0015] 1. When a faulty PCBA board is detected, the flip table is controlled to flip, causing the PCBA board on it to fall from the top of the flip table. This eliminates the need for manual removal of the faulty PCBA board, reducing manpower and increasing efficiency.

[0016] 2. Before testing, the material transport trolley is controlled to move upward, and then the position of the PCBA board is fixed by the limit notch. During testing, the testing device can be aligned with the PCBA board, which greatly improves the accuracy of testing. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a three-dimensional schematic diagram of the track structure of this utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the belt structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged schematic diagram of structure A in the middle;

[0021] Figure 5 This is a three-dimensional schematic diagram of the material transport trolley structure of this utility model;

[0022] Figure 6The utility model discloses a turnover table structure turnover schematic view.

[0023] In the drawing: 1, the casing; 2, the track; 21, the limit gap; 31, the frame; 32, the turnover table; 33, the first torsional spring; 34, the through -going mouth; 41, the first cylinder; 42, the lifting rod; 43, the lifting plate; 44, the first spring; 45, the push plate; 51, the motor; 52, the belt; 53, the screw; 54, the support plate; 55, the first guide rail; 6, the window. DETAILED DESCRIPTION

[0024] In order to make the utility model embodiment's purpose, technical scheme and advantage more clearly, below will combine the drawing in the utility model embodiment, clear, complete technical scheme in the utility model embodiment is described, obviously, the described embodiment is the part embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor belong to the range of the utility model protection.

[0025] Refer to the attached Figures 1-6 A PCBA board function test device, including casing 1, the casing 1 in symmetry is equipped with the track 2 of I-shaped, the track 2 between symmetry is equipped with the material handling trolley along its direction movement, for carrying and transporting PCBA board, the material handling trolley includes the frame 31 along the track 2 movement, the frame 31 bottom four corners are equipped with the drive wheel, four drive wheels are arranged on the track 2 bottom edge on both sides respectively, through the rotation of drive wheel control, to make the material handling trolley movement on the track 2, the frame 31 top rotatably connected with the turnover table 32 for carrying PCBA board, the turnover table 32 top is equipped with the receiving groove of accommodating PCBA, the bottom of turnover table 32 is connected with the frame 31 through the first torsional spring 33, so as to make the turnover table 32 not under stress horizontal place on the frame 31 top, when detecting the PCBA board on the top of turnover table 32 has the fault, control turnover table 32 overturn, make its PCBA board on the top of turnover table 32 fall down, do not need manual material taking of fault PCBA board, reduce the manpower, increase the efficiency.

[0026] The casing 1 is equipped with the first cylinder 41, and the first cylinder 41 is equipped with the lifting rod 42 at the top output end, the frame 31 is equipped with the through -going mouth 34 corresponding to the lifting rod 42 inside, so that the lifting rod 42 is pushed turnover table 32 overturns in the upward movement process through the through -going mouth 34, when detecting that PCBA board has the fault, the first cylinder 41 starts, at this time, the lifting rod 42 moves upwards and pushes the turnover table 32 to overturn through the through -going mouth 34, so that the PCBA board falls down from the top of the turnover table 32, thereby realizing the effect of automatically taking down the fault board.

[0027] The outer wall of the lifting rod 42 is provided with a lifting plate 43, the top of the two sides of the lifting plate 43 is connected with a push plate 45 through two first springs 44, the top of the track 2 corresponding to the frame 31 is provided with a limiting gap 21 for the upward movement of the push plate 45, so that the top of the frame 31 moves upward to the limiting gap 21, when detecting the PCBA board, the first cylinder 41 is controlled to work first, at this time the lifting rod 42 drives the lifting plate 43 to move upward, at this time the push plate 45 is pushed upward by the first spring 44 to lift the frame 31, at this time the whole material handling trolley moves upward, at this time the top of the frame 31 is just clamped in the limiting gap 21, and the top of the lifting rod 42 has not contacted the bottom of the turnover table 32, at this time the PCBA board is detected, the position of the PCBA board is fixed through the limiting gap 21, so that the test device can be aligned with the PCBA board, and the detection accuracy is greatly improved.

[0028] The two side edges of the frame 31 in the direction of the track 2 are provided with outwardly extending skirts to avoid the frame 31 from being separated from the track 2 during upward movement through the limiting gap 21, when the PCBA board fails, the first cylinder 41 controls the lifting rod 42 and the lifting plate 43 to continue to move upward, because the bottom of the frame 31 is provided with outwardly extending skirts, after rising a distance, it will be clamped at the bottom of the upper edge of the track 2 and cannot move upward any more, and at this time the lifting rod 42 continues to move upward to push the turnover table 32 to turn over, so that the PCBA board automatically falls from the top of the turnover table 32.

[0029] A pair of lead screws 53 are driven by a motor 51 and a belt 52, the motor 51 drives the pair of lead screws 53 to rotate synchronously through the belt 52, the outer wall of each lead screw 53 is threadedly connected with a pair of support plates 54, the top of the support plate 54 on the same side is connected with the bottom of the same track 2, and the bottom of the support plate 54 on the opposite side is slidingly connected to the first guide rail 55, the motor 51 is started, the motor 51 drives the pair of lead screws 53 to rotate synchronously through the belt 52, and further makes the support plates 54 on the two sides move relatively or oppositely, at this time the distance between the two tracks 2 can be adjusted, and different models of PCBA boards can be transported according to needs.

[0030] Windows 6 are formed in the two sides of the shell 1 in the direction of the track 2, so that the material handling trolley moves out of the shell 1, and the material handling trolley transports the PCBA board out of the shell 1.

[0031] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A PCBA board function testing device comprising a cabinet (1), characterized in that: The machine shell (1) is provided with a track (2) in the shape of an I-beam inside the machine shell (1), and a material conveying trolley is arranged between the symmetrical tracks (2) and moves along the tracks (2), the material conveying trolley comprises a frame (31) that moves along the track (2), a turnover table (32) for carrying a PCBA board is rotatably connected to the top of the frame (31), and the bottom of the turnover table (32) is connected to the frame (31) by a first torsional spring (33) so that the turnover table (32) is horizontally placed on the top of the frame (31) in the unforced state.

2. The PCBA board functional testing device of claim 1, wherein: The machine shell (1) is provided with a first air cylinder (41), the top of the first air cylinder (41) is provided with a lifting rod (42), the inside of the frame (31) is provided with a through hole (34) corresponding to the lifting rod (42), so that the lifting rod (42) pushes the turnover table (32) to turn over during upward movement through the through hole (34).

3. The PCBA board functional testing apparatus of claim 2, wherein: The outer wall of the lifting rod (42) is provided with a lifting plate (43), the top of the lifting plate (43) on both sides is connected to a push plate (45) by two first springs (44), and the top of the frame (31) is provided with a limiting gap (21) corresponding to the track (2) for upward movement, so that the top of the frame (31) moves upward into the limiting gap (21).

4. The PCBA board functional testing apparatus of claim 3, wherein: The bottom of the frame (31) is provided with outwardly extending skirt edges on both sides along the direction of the track (2), so as to avoid the frame (31) from disengaging from the track (2) through the limiting gap (21) during upward movement.

5. The PCBA board functional testing apparatus of claim 1, wherein: The machine shell (1) is provided with a motor (51), a belt (52) and a pair of lead screws (53), the motor (51) drives the pair of lead screws (53) to rotate synchronously through the belt (52), the outer wall of each lead screw (53) is threadedly connected to a pair of support plates (54), the top of the support plate (54) on the same side is connected to the bottom of the same track (2), and the bottom of the support plate (54) on the opposite side is slidably connected to the first guide rail (55).

6. The PCBA board functional testing apparatus of claim 1, wherein: The machine shell (1) is provided with a window (6) on both sides along the direction of the track (2), so as to move the material conveying trolley out of the machine shell (1).

Images