Double-station staggered transfer test platform for PCB (Printed Circuit Board)

Abstract

The utility model belongs to the field of PCB (Printed Circuit Board) testing, in particular relates to a double-station staggered transfer test platform for PCBs, and aims to solve the problems that the efficiency of the test process is low due to the fact that one station is adopted when a traditional single-board PCB is subjected to a voltage withstanding test at present, and more time and energy need to be consumed when a large batch of PCBs are tested. According to the technical scheme, the PCB lifting device comprises two top plates, two bottom frames and a plurality of bottom columns, the sides, close to each other, of the two top plates are fixedly connected, the tops of the two bottom frames are fixedly connected with the bottoms of the two top plates respectively, and the sides, close to each other, of the two bottom frames are fixedly connected, so that accurate lifting and horizontal movement of a PCB are achieved; according to the PCB testing device, the PCB can be conveniently tested, the two stations are used for testing the PCB at the same time, the testing efficiency of the PCB is improved, time and energy consumption is reduced, and due to the arrangement of auxiliary structures such as a protection cover, a heat dissipation structure, a containing box and a soft cushion, high efficiency and safety of testing are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board testing, in particular to a double-station staggered transfer test platform for PCB boards. Background Art

[0002] PCB board is the provider of electrical connections for electronic components, also known as printed circuit board. The main advantage of the circuit board is that it greatly reduces wiring and assembly errors, improves the level of automation and production labor rate.

[0003] During the production process of PCB boards, multiple tests are required. The purpose of the PCB voltage test is to detect the voltage resistance of the circuit board to ensure that it can work normally under external high voltage conditions without breakdown or damage.

[0004] However, the existing withstand voltage test has the following problems: At present, when the conventional single-board PCB is subjected to withstand voltage test, one workstation is used, and the test process is inefficient. As a result, more time and energy are consumed when completing the test of a large number of PCB boards. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art that when the traditional single-board PCB is subjected to a withstand voltage test, only one workstation is used, the test process efficiency is low, and more time and energy are consumed when completing a large number of PCB board tests. A double-station staggered transfer test platform for PCB boards is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A double-station staggered transfer test platform for PCB boards, comprising two top plates, two bottom frames and a plurality of bottom columns, wherein the adjacent sides of the two top plates are fixedly connected, the tops of the two bottom frames are respectively fixedly connected to the bottoms of the two top plates, the adjacent sides of the two bottom frames are fixedly connected, the bottoms of the two bottom frames are fixedly connected to one end of a plurality of bottom columns, the tops of the two top plates are fixedly connected to the same U-shaped frame, and the tops of the two top plates are provided with test slots for facilitating testing;

[0008] Lifting mechanism: the lifting mechanism is arranged on a U-shaped frame to facilitate testing of the PCB board;

[0009] The moving mechanism is arranged on the test slot and is used to move the PCB board.

[0010] In a possible design, the lifting mechanism includes two electric telescopic rods, two test plates and two withstand voltage testers. The fixed ends of the two electric telescopic rods are fixedly connected to the top of the U-shaped frame, the telescopic ends of the two electric telescopic rods both pass through the top of the same U-shaped frame and are fixedly connected to the top of the test plate, the telescopic ends of the two electric telescopic rods are both slidably connected to the U-shaped frame, the two withstand voltage testers are respectively arranged on the top of the two test plates, and the test ends of the withstand voltage testers are respectively arranged on the bottom of the two test plates. An operation panel is provided on one side of the U-shaped frame, and a controller is fixedly provided on the top of the U-shaped frame.

[0011] In a possible design, the moving mechanism includes two motors, two screw rods, two moving blocks, two bottom blocks and two placement plates, one side of the two motors are fixedly connected to the top of the two top plates by bolts, the top of the two top plates are fixedly connected to two No. 1 blocks, the output shafts of the two motors respectively pass through the two No. 1 blocks and are fixedly connected to one end of the screw rods, the output shafts of the two motors are rotatably connected to the two No. 1 blocks, the two ends of the two screw rods are rotatably connected to the side close to the four No. 1 blocks, the two screw rods are threaded with No. 2 blocks, one side of the two No. 2 blocks are respectively fixedly connected to one side of the two moving blocks, the bottom of the two moving blocks are respectively fixedly connected to the top of the two bottom blocks, the two sides of the two bottom blocks are respectively slidably connected to the inner walls of the two sides of the two test slots, and one side of the two placement plates are respectively fixedly connected to the front sides of the two bottom blocks.

[0012] In a possible design, the tops of the two top plates are fixedly connected with protective covers, and the two protective covers are respectively covered on two screw rods. Side holes are opened on one side of the two protective covers, and the inner walls of the two side holes slide relative to the outer sides of the two No. 1 blocks respectively.

[0013] In a possible design, the front sides of the two protective covers are provided with heat dissipation holes for dissipating heat from the motor, and the two heat dissipation holes are provided with filter screens for dust prevention.

[0014] In a possible design, a placement box for placing PCB boards is placed inside the two bottom frames, and two support columns for supporting the placement boxes are fixedly connected to one side of the bottom of the two placement boxes.

[0015] In a possible design, soft pads for reducing collision damage are fixedly provided on the front inner walls and the rear inner walls of the two test slots.

[0016] In the present application, when in use, the motor is started by the controller, the screw rotates, and the second block and the moving block are driven to move along the axis direction of the screw through the threaded transmission. The bottom of the moving block is fixedly connected to the bottom block, and the bottom block slides in the test slot, thereby driving the placement plate and the PCB board placed thereon to move. Then the electric telescopic rod is operated by the controller so that its telescopic end drives the test board to rise and fall. The withstand voltage tester is arranged on the top of the test board, and its test end is located at the bottom of the test board. As the test board rises and falls, the PCB board can be contacted for withstand voltage testing. The protective cover is arranged on the screw to protect the screw from external influences and prevent accidental touch by personnel. The side hole on the protective cover allows the first block to pass through to ensure the normal rotation of the screw. The heat dissipation holes opened on the front side of the protective cover are used for heat dissipation of the motor. The filter can prevent dust from entering. The placement box is placed in the bottom frame to store the PCB board to be tested for easy removal. The bottom of the placement box is supported by a support column to maintain stability. The inner wall of the test slot is provided with a cushion. When the PCB board moves in the test slot, the cushion can reduce collision damage and protect the PCB board from damage.

[0017] The beneficial effects of the utility model are:

[0018] In the utility model, the lifting mechanism and the moving mechanism, as well as the double-station test platform, realize the accurate lifting and horizontal movement of the PCB board, which is convenient for testing the PCB board. The PCB board is tested using two stations at the same time, which improves the testing efficiency of the PCB board and reduces the consumption of time and energy. In addition, the auxiliary structures such as the protective cover, the heat dissipation structure, the placement box and the cushion are provided to ensure the high efficiency and safety of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the lifting structure of the utility model;

[0021] Figure 3 It is an exploded view of the top structure of the top plate of the utility model;

[0022] Figure 4 It is a partial exploded view of the utility model.

[0023] In the figure: 1. top plate; 2. bottom frame; 3. bottom column; 4. placement box; 5. U-shaped frame; 6. electric telescopic rod; 7. test plate; 8. withstand voltage tester; 9. protective cover; 10. side hole; 11. filter screen; 12. test slot; 13. moving block; 14. bottom block; 15. motor; 16. screw rod; 17. placement plate; 18. cushion. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Embodiment 1

[0026] Reference Figure 1-Figure 4 A test platform includes two top plates 1, two bottom frames 2, multiple bottom columns 3, a U-shaped frame 5, a lifting mechanism and a moving mechanism. The two top plates 1 are fixedly connected on one side close to each other, the two bottom frames 2 are respectively fixed to the bottoms of the two top plates 1, and the bottom frames 2 are also fixedly connected to each other. One end of the bottom column 3 is fixedly connected to the bottom of the bottom frame 2 to support the entire test platform. The U-shaped frame 5 is fixed to the tops of the two top plates 1 and spans between the two top plates 1. A test slot 12 is provided on the top of each top plate 1 for placing a PCB board for testing.

[0027] The lifting mechanism includes two electric telescopic rods 6, two test boards 7 and two withstand voltage testers 8. The fixed end of the electric telescopic rod 6 is fixed to the top of the U-shaped frame 5, and the telescopic end passes through the top of the U-shaped frame 5 and is fixedly connected to the top of the test board 7. The two withstand voltage testers 8 are respectively arranged on the top of the two test boards 7, and the test ends are arranged at the bottom of the test boards 7. The extension and retraction of the electric telescopic rod 6 can be controlled by the controller and the operation panel, thereby driving the test board 7 to rise and fall, and performing a withstand voltage test on the PCB board.

[0028] The moving mechanism includes two motors 15, two screw rods 16, two moving blocks 13, two bottom blocks 14 and two placement plates 17. The motor 15 is fixed to the top of the top plate 1 by bolts and is fixedly connected to one end of the screw rod 16 by an output shaft. The two ends of the screw rod 16 are respectively rotatably connected to block No. 1. The moving block 13 is threadedly connected to the screw rod 16 by block No. 2 to achieve movement along the screw rod 16. The bottom block 14 is fixedly connected to the moving block 13 and placed in the test slot 12 for carrying the PCB board. The placement plate 17 is fixedly connected to the front side of the bottom block 14 for placing the PCB board. By controlling the rotation of the motor 15, the movement of the PCB board in the test slot 12 can be achieved.

[0029] The present application can be used in the field of PCB board testing, and can also be used in other fields applicable to the present application.

[0030] Embodiment 2

[0031] refer to Figure 1-Figure 4 , based on the improvement of the first embodiment, a dual-station staggered transfer test platform for PCB boards, comprising:

[0032] A protective cover 9 is fixed on the top of the two top plates 1 to protect the screw rod 16 from external influences. A side hole 10 is provided on the protective cover 9 to allow block No. 1 to pass through. A heat dissipation hole is also provided on the front side of the protective cover 9 to dissipate heat from the motor 15. A filter 11 is installed on the heat dissipation hole to prevent dust from entering.

[0033] A placement box 4 is placed inside the two bottom frames 2 for storing the PCB boards to be tested. A support column is provided at the bottom of the placement box 4 to maintain the stability of the placement box 4. The front inner wall and the rear inner wall of the test slot 12 are provided with soft pads 18 to reduce collision damage to the PCB boards during movement.

[0034] However, as is well known to those skilled in the art, the working principles and wiring methods of the withstand voltage tester 8, the electric telescopic rod 6, the motor 15, the controller and the control panel are commonplace, and they are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience. The withstand voltage tester 8, the electric telescopic rod 6 and the motor 15 are connected to the controller and the control panel through lines and are powered by an external power supply. The motor 15 is a stepper motor, and its model is KH86HS68. The model of the withstand voltage tester 8 is DMH2550.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dual-station staggered transfer test platform for PCB boards, characterized in that: It comprises two top plates (1), two bottom frames (2) and a plurality of bottom columns (3), wherein the adjacent sides of the two top plates (1) are fixedly connected, the tops of the two bottom frames (2) are respectively fixedly connected to the bottoms of the two top plates (1), the adjacent sides of the two bottom frames (2) are fixedly connected, the bottoms of the two bottom frames (2) are fixedly connected to one end of the plurality of bottom columns (3), the tops of the two top plates (1) are fixedly connected to the same U-shaped frame (5), and the tops of the two top plates (1) are provided with test slots (12) for facilitating testing; A lifting mechanism, the lifting mechanism being arranged on the U-shaped frame (5) to facilitate testing of the PCB board; A moving mechanism is arranged on the test slot (12) and is used to move the PCB board.

2. A dual-station staggered transfer test platform for PCB boards according to claim 1, characterized in that: The lifting mechanism comprises two electric telescopic rods (6), two test plates (7) and two withstand voltage testers (8); the fixed ends of the two electric telescopic rods (6) are fixedly connected to the top of the U-shaped frame (5); the telescopic ends of the two electric telescopic rods (6) both pass through the top of the same U-shaped frame (5) and are fixedly connected to the top of the test plate (7); the telescopic ends of the two electric telescopic rods (6) are slidably connected to the U-shaped frame (5); the two withstand voltage testers (8) are respectively arranged on the tops of the two test plates (7); the test ends of the withstand voltage testers (8) are respectively arranged on the bottoms of the two test plates (7); an operation panel is arranged on one side of the U-shaped frame (5); and a controller is fixedly arranged on the top of the U-shaped frame (5).

3. A dual-station staggered transfer test platform for PCB boards according to claim 1, characterized in that: The moving mechanism comprises two motors (15), two screw rods (16), two moving blocks (13), two bottom blocks (14) and two placement plates (17); one side of the two motors (15) is fixedly connected to the top of the two top plates (1) by bolts; the tops of the two top plates (1) are fixedly connected to two No. 1 blocks; the output shafts of the two motors (15) respectively penetrate the two No. 1 blocks and are fixedly connected to one end of the screw rod (16); the output shafts of the two motors (15) are rotatably connected to the two No. 1 blocks; The two ends of the two screw rods (16) are rotatably connected to the side close to the four No. 1 blocks, and the two screw rods (16) are threadedly sleeved with No. 2 blocks. One side of the two No. 2 blocks is fixedly connected to one side of the two moving blocks (13), and the bottom of the two moving blocks (13) is fixedly connected to the top of the two bottom blocks (14). The two sides of the two bottom blocks (14) are slidably connected to the inner walls of the two sides of the two test slots (12), and one side of the two placement plates (17) is fixedly connected to the front sides of the two bottom blocks (14).

4. The double-station staggered transfer test platform for PCB boards according to claim 1, characterized in that: The tops of the two top plates (1) are fixedly connected with protective covers (9), the two protective covers (9) are respectively covered on two screw rods (16), one side of the two protective covers (9) is provided with a side hole (10), and the inner walls of the two side holes (10) slide relative to the outer sides of the two No. 1 blocks respectively.

5. A dual-station staggered transfer test platform for PCB boards according to claim 4, characterized in that: The front sides of the two protective covers (9) are provided with heat dissipation holes for dissipating heat from the motor (15), and the two heat dissipation holes are provided with filter screens (11) for preventing dust.

6. The double-station staggered transfer test platform for PCB boards according to claim 1, characterized in that: A placement box (4) for placing a PCB board is placed inside the two bottom frames (2), and two support columns for supporting the placement boxes (4) are fixedly connected to one side of the bottom of the two placement boxes (4).

7. A dual-station staggered transfer test platform for PCB boards according to claim 1, characterized in that: Soft pads (18) for reducing collision damage are fixedly arranged on the front inner walls and the rear inner walls of the two test slots (12).

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