Multi-station integrated online test system

Abstract

The utility model relates to a multi-station integrated on-line test system, which is used for carrying out multifunctional test on a circuit board and comprises a test main body which comprises an ICT test device, a burning test device and an FCT test device which are sequentially arranged from top to bottom along a Z axis; the test feeding mechanism is arranged on one side of the test main body and is used for driving the circuit board to be tested to be transferred among the ICT test device, the burning test device and the FCT test device; the test discharging mechanism is relatively arranged on the other side of the test main body and is used for sending out the detected circuit board; wherein the ICT testing device, the burning testing device and the FCT testing device respectively comprise a mechanical unit and a function testing circuit, the mechanical units are the same in structure, and the function testing circuit is provided with connecting pins and a testing circuit according to different testing purposes. According to the invention, by integrating a plurality of test stations such as the ICT test device, the burning test device and the FCT test device, the multifunctional test of the circuit board is realized, and the test efficiency and the test quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of electronic production equipment technology, specifically to a multi-station integrated online testing system for performing multifunctional testing on circuit boards. Background Technology

[0002] In the manufacturing process of electronic products, circuit board testing is a crucial step in ensuring product quality. Traditional testing systems typically employ single testing stations, performing different tests one by one, which is inefficient and requires a large floor space. With technological advancements, the market demands increasingly higher testing efficiency and quality for electronic products, creating an urgent need for a system that integrates multiple testing functions and achieves highly efficient testing. Summary of the Invention

[0003] The purpose of this invention is to provide a multi-station integrated online testing system that integrates multiple testing stations such as ICT testing devices, programming testing devices, and FCT testing devices to achieve multi-functional testing of circuit boards, thereby improving testing efficiency and quality.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] This utility model provides a multi-station integrated online testing system for performing multifunctional testing on circuit boards, comprising:

[0006] The main testing unit includes an ICT testing device, a programming testing device, and an FCT testing device arranged sequentially from top to bottom along the Z-axis.

[0007] The test loading mechanism is located on one side of the test body and is used to drive the circuit board under test to rotate between the ICT test device, the programming test device, and the FCT test device.

[0008] The test unloading mechanism is located on the opposite side of the test body and is used to deliver the circuit board that has completed the test.

[0009] The ICT testing device, the programming testing device, and the FCT testing device each include a mechanical unit and a functional testing circuit. The mechanical units have the same structure, and the functional testing circuits are designed with different connection pins and testing circuits according to different testing purposes.

[0010] Optionally, each of the mechanical units includes a Z-axis motion module, an upper loading plate, a test guide rail, a fixture mounting module, and a test fixture, wherein:

[0011] The upper plate is arranged parallel above the test guide rail, and the fixture mounting module and the test fixture are fixedly arranged below the test guide rail. The upper plate is fixedly connected to the test guide rail. The Z-axis motion module is used to drive the upper plate to move along the Z-axis, thereby driving the test guide rail to move towards the test fixture, and inserting the pins on the circuit board and the test fixture, so that the circuit board and the test circuit form a closed test loop.

[0012] Furthermore, the Z-axis motion module includes a drive motor, a transmission mechanism, and multiple first guide posts. The upper plate has multiple guide holes, each guide hole slidingly engaging with each first guide post. The drive motor is fixed on the upper plate, and the drive motor drives the upper plate to move up and down along the first guide posts through the transmission mechanism.

[0013] Furthermore, the transmission mechanism includes a bevel gear, a bevel gear, a transmission rod, a helical gear, and a rack. The rack is vertically fixed. The transmission shaft of the drive motor is connected to the bevel gear and drives the bevel gear to rotate. The bevel gear is coaxially fixed with the transmission rod. The bevel gear meshes with the bevel gear and drives the transmission rod to rotate. The transmission rod is rotatably fixed to the upper plate through a bearing seat. The helical gear is fixed at the end of the transmission rod and meshes with the rack. When the transmission rod rotates, the helical gear drives the upper plate to move up and down relative to the rack.

[0014] Optionally, the test guide track includes a test track belt conveyor mechanism, a track module positioning mechanism, a positioning block, and a track module arrival detection mechanism. The track module positioning mechanism and the track module arrival detection mechanism are fixed on the test track belt conveyor mechanism and are used to position and detect the arrival of the circuit board.

[0015] Furthermore, the test track belt conveyor mechanism includes a first conveyor belt and a second conveyor belt arranged along the Y direction, and a threaded adjusting rod arranged along the X direction. The first conveyor belt is fixedly arranged, and the second conveyor belt cooperates with the threaded adjusting rod through gears. The threaded adjusting rod is driven by manual operation or a motor to rotate, thereby causing the second conveyor belt to translate relative to the first conveyor belt, which is used to adjust the gap between the first conveyor belt and the second conveyor belt to adapt to the width of different circuit boards.

[0016] Optionally, the fixture mounting module is fixedly disposed below the test track belt conveyor mechanism, and the test fixture is detachably fixed to the surface of the fixture mounting module. The surface of the test fixture has a plurality of pins, each pin being connected to an external test circuit.

[0017] Furthermore, the test fixture includes a fixture body housed in a box, the test circuit is disposed inside the box of the fixture body, a plurality of pins are disposed on the surface of the fixture body, and a fixture upper plate is disposed above the pins disposed area, the fixture upper plate having through holes for guiding corresponding to the positions of each pins to facilitate the connection between the circuit board and each pin.

[0018] Optionally, the test loading mechanism includes a loading test track and a loading Z-axis motion module arranged along the Z direction. The rear part of the loading test track is slidably engaged with the loading Z-axis motion module through a loading mounting plate. The loading Z-axis motion module drives the loading test track to translate along the Z direction. The conveying direction of the loading test track is arranged along the Y direction.

[0019] Optionally, the test unloading mechanism includes an unloading test track and an unloading Z-axis motion module arranged along the Z direction. The rear part of the unloading test track is slidably engaged with the unloading Z-axis motion module through an unloading mounting plate. The unloading Z-axis motion module drives the unloading test track to translate along the Z direction. The conveying direction of the unloading test track is arranged along the Y direction.

[0020] The material feeding test track is equipped with a barcode scanning mechanism above it. The barcode scanning mechanism is also equipped with a barcode positioning mechanism and a barcode scanning arrival inspection mechanism to facilitate the positioning and scanning of the barcode.

[0021] Due to the application of the above technical solution, the multi-station integrated online testing system of this utility model has the following advantages compared with the prior art:

[0022] Improve testing efficiency: By integrating multiple test stations, multi-functional testing of circuit boards can be achieved, reducing testing time.

[0023] Improve test quality: All test stations use the same mechanical units, which facilitates maintenance and upgrades and ensures test accuracy and stability.

[0024] High adaptability: The design of the test guide rail and test fixture enables the system to adapt to the testing needs of circuit boards of different specifications and sizes.

[0025] High degree of automation: The design of the test loading and unloading mechanisms enables automatic loading and unloading of circuit boards, improving the level of automation in testing. Attached Figure Description

[0026] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0027] Figure 1 This is a structural schematic diagram of a multi-station integrated online testing system according to an embodiment of the present invention, which includes an external rack;

[0028] Figure 2 This is a schematic diagram of the structure of a multi-station integrated online testing system according to an embodiment of the present invention;

[0029] Figure 3 for Figure 2 The diagram shows a side view of the multi-station integrated online testing system.

[0030] Figure 4 This is a schematic diagram of the structure of a test subject according to an embodiment of the present invention;

[0031] Figure 5 for Figure 4 A schematic diagram of the structure of a mechanical unit in the test subject shown;

[0032] Figure 6 for Figure 5 A schematic diagram of the disassembled structure of the mechanical unit shown;

[0033] Figure 7 This is a schematic diagram of the structure of a test feeding mechanism according to an embodiment of the present invention.

[0034] The annotations in the attached figures are explained as follows:

[0035] 1. Test Main Unit; 11. ICT Test Device; 12. Programming Test Device; 13. FCT Test Device;

[0036] 2. Testing the feeding mechanism; 21. Feeding test track; 22. Feeding Z-axis motion module; 23. Feeding mounting plate;

[0037] 3. Testing the unloading mechanism; 31. Unloading test track; 32. Unloading Z-axis motion module; 33. Unloading mounting plate; 34. Scanning mechanism; 35. Scanning positioning mechanism; 36. Scanning arrival inspection mechanism.

[0038] 4. Z-axis motion module; 41. Drive motor; 42. Transmission mechanism; 421. Bevel main gear; 422. Bevel secondary gear; 423. Transmission rod; 424. Helical gear; 425. Strip rack; 43. First guide post; 44. Second guide post.

[0039] 5. Loading board,

[0040] 6. Test guide rail; 61. Test track belt conveyor mechanism; 611. First conveyor belt; 612. Second conveyor belt; 613. Threaded adjusting rod; 62. Track module positioning mechanism; 63. Positioning block; 64. Track module arrival detection mechanism.

[0041] 71. Fixture installation module, 72. Test fixture, 721. Fixture body, 722. Pins, 723. Fixture upper plate;

[0042] 8. Rack. Detailed Implementation

[0043] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0044] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0046] This embodiment provides a multi-station integrated online testing system for performing multi-functional tests on circuit boards, such as... Figures 1 to 3 As shown, it includes:

[0047] Frame 8, the frame 8 is a rectangular sheet metal frame;

[0048] Test subject 1, such as Figure 4 As shown, the device includes an ICT testing device 11, a programming testing device 12, and an FCT testing device 13 arranged sequentially from top to bottom along the Z-axis. The ICT testing device 11, the programming testing device 12, and the FCT testing device 13 are arranged sequentially from top to bottom in the rack 8.

[0049] The test loading mechanism 2 is located on one side of the test body 1 and is used to drive the circuit board under test to rotate between the ICT test device 11, the programming test device 12, and the FCT test device 13.

[0050] The test unloading mechanism 3 is located on the opposite side of the test body 1 and is used to deliver the circuit board that has completed the test.

[0051] The ICT testing device 11, programming testing device 12, and FCT testing device 13 each include mechanical units and functional testing circuits. Each mechanical unit has the same structure, and the functional testing circuits are designed with different connection pins 722 and testing circuits according to different testing objectives. The use of identical mechanical units at each testing station facilitates maintenance and upgrades, ensuring testing accuracy and stability.

[0052] The online testing system provided in this embodiment integrates multiple test stations to achieve multi-functional testing of circuit boards and reduce testing time.

[0053] In one implementation, such as Figure 5 and Figure 6 As shown, each of the mechanical units includes a Z-axis motion module 4, an upper plate 5, a test guide rail 6, a fixture mounting module 71, and a test fixture 72, wherein:

[0054] The upper plate 5 is arranged parallel above the test guide rail 6, and the fixture mounting module 71 and the test fixture 72 are fixedly arranged below the test guide rail 6. The upper plate 5 is fixedly connected to the test guide rail 6. The Z-axis motion module 4 is used to drive the upper plate 5 to move along the Z-axis, thereby driving the test guide rail 6 to move towards the test fixture 72, and inserting the circuit board into the pins 722 on the test fixture 72, so that the circuit board and the test circuit form a closed test loop.

[0055] The Z-axis motion module 4 may include a drive motor 41, a transmission mechanism 42, and multiple first guide posts 43. The upper plate 5 has multiple guide holes, each guide hole slidingly engaging with a first guide post 43. The drive motor 41 is fixed to the upper plate 5 and drives the upper plate 5 to move up and down along the first guide posts 43 via the transmission mechanism 42. Guide holes may also be provided at the corners of the test guide rail 6, with a second guide post 44 passing through each guide hole. The second guide posts 44 guide the test guide rail 6 during its up-and-down movement, making the movement of the upper plate 5 and the test guide rail 6 more stable.

[0056] The transmission mechanism 42 includes a bevel gear 421, a bevel gear 422, a transmission rod 423, a helical gear 424, and a rack 425. The rack 425 is vertically fixed on the frame 8. The transmission shaft of the drive motor 41 is connected to the bevel gear 421 and drives the bevel gear 421 to rotate. The bevel gear 422 is coaxially fixed with the transmission rod 423. The bevel gear 421 meshes with the bevel gear 422 to drive the transmission rod 423 to rotate. The transmission rod 423 is rotatably fixed on the upper plate 5 through a bearing seat. The helical gear 424 is fixed at the end of the transmission rod 423. The helical gear 424 meshes with the rack. When the transmission rod 423 rotates, the helical gear 424 drives the upper plate 5 to move up and down relative to the rack.

[0057] The test guide track 6 includes a test track belt conveyor 61, a track module positioning mechanism 62, a positioning block 63, and a track module arrival detection mechanism 64. The track module positioning mechanism 62 and the track module arrival detection mechanism 64 are fixed on the test track belt conveyor 61 and are used to position and detect the arrival of the circuit board.

[0058] In addition, the test track belt conveyor mechanism 61 includes a first conveyor belt 611 and a second conveyor belt 612 arranged along the Y direction, and a threaded adjusting rod 613 arranged along the X direction. The first conveyor belt 611 is fixedly arranged, and the second conveyor belt 612 is engaged with the threaded adjusting rod 613 through gears. The threaded adjusting rod 613 is rotated by manual or motor drive, which drives the second conveyor belt 612 to translate relative to the first conveyor belt 611, so as to adjust the gap between the first conveyor belt 611 and the second conveyor belt 612 to adapt to the width of different circuit boards.

[0059] In one embodiment, the fixture mounting module 71 is fixedly disposed below the test track belt conveyor mechanism 61, and the test fixture 72 is detachably fixed to the surface of the fixture mounting module 71. The surface of the test fixture 72 has a plurality of pins 722, each pin 722 being connected to an external test circuit.

[0060] Furthermore, the test fixture 72 includes a fixture body 721 housed in a box. The test circuit is disposed within the box of the fixture body 721. A plurality of pins 722 are disposed on the surface of the fixture body 721. A fixture upper plate 723 is disposed above the area where the pins 722 are disposed. The fixture upper plate 723 has through holes for guiding corresponding to the positions of each pin 722, so as to facilitate the connection between the circuit board and each pin 722. The fixture mounting module 71 is fixedly disposed below the test track belt conveyor mechanism 61. The test fixture 72 is detachably fixed to the surface of the fixture mounting module 71, which facilitates the replacement of the test fixture 72. The design of the test guide track 6 and the test fixture 72 enables the system to adapt to the testing needs of circuit boards of different specifications and sizes.

[0061] In one embodiment, the test loading mechanism 2 includes a loading test track 21 and a loading Z-axis motion module 22 arranged along the Z direction. The rear part of the loading test track 21 is slidably engaged with the loading Z-axis motion module 22 through a loading mounting plate 23. The loading Z-axis motion module 22 drives the loading test track 21 to translate along the Z direction. The conveying direction of the loading test track 21 is arranged along the Y direction.

[0062] like Figure 7 As shown, the test unloading mechanism 3 includes an unloading test track 31 and an unloading Z-axis motion module 32 arranged along the Z direction. The rear part of the unloading test track 31 is slidably engaged with the unloading Z-axis motion module 32 through an unloading mounting plate 33. The unloading Z-axis motion module 32 drives the unloading test track 31 to translate along the Z direction. The conveying direction of the unloading test track 31 is arranged along the Y direction.

[0063] The material unloading test track 31 is equipped with a barcode scanning mechanism 34 above it. A barcode positioning mechanism 35 and a barcode positioning check mechanism 36 are also provided to facilitate the positioning and scanning of the barcode scanning mechanism 34. The barcode scanning mechanism 34, barcode positioning mechanism 35, and barcode positioning check mechanism 36 included in the test unloading mechanism 3 can be used to scan and record test results.

[0064] As can be seen, the design of the test loading mechanism 2 and the test unloading mechanism 3 realizes the automatic loading and unloading of circuit boards, improving the level of automation in testing. Both the test loading mechanism 2 and the test unloading mechanism 3 include a test track and a Z-axis motion module set along the Z-direction, used to drive the test track to translate along the Z-direction, thus realizing the loading and unloading of circuit boards.

[0065] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the protection scope of this utility model.

Claims

1. A multi-station integrated online testing system for performing multifunctional testing on circuit boards, characterized in that, include: The main testing unit includes an ICT testing device, a programming testing device, and an FCT testing device arranged sequentially from top to bottom along the Z-axis. The test loading mechanism is located on one side of the test body and is used to drive the circuit board under test to rotate between the ICT test device, the programming test device, and the FCT test device. The test unloading mechanism is located on the opposite side of the test body and is used to deliver the circuit board that has completed the test. The ICT testing device, the programming testing device, and the FCT testing device each include a mechanical unit and a functional testing circuit. The mechanical units have the same structure, and the functional testing circuits are designed with different connection pins and testing circuits according to different testing purposes.

2. The multi-station integrated online testing system according to claim 1, characterized in that, Each of the mechanical units includes a Z-axis motion module, an upper plate, a test guide rail, a fixture mounting module, and a test fixture, wherein: The upper plate is arranged parallel above the test guide rail, and the fixture mounting module and the test fixture are fixedly arranged below the test guide rail. The upper plate is fixedly connected to the test guide rail. The Z-axis motion module is used to drive the upper plate to move along the Z-axis, thereby driving the test guide rail to move towards the test fixture, and inserting the pins on the circuit board and the test fixture, so that the circuit board and the test circuit form a closed test loop.

3. The multi-station integrated online testing system according to claim 2, characterized in that, The Z-axis motion module includes a drive motor, a transmission mechanism, and multiple first guide posts. The upper plate has multiple guide holes, each guide hole slidingly engaging with each first guide post. The drive motor is fixed on the upper plate, and the drive motor drives the upper plate to move up and down along the first guide posts through the transmission mechanism.

4. The multi-station integrated online testing system according to claim 3, characterized in that, The transmission mechanism includes a bevel gear, a bevel gear, a transmission rod, a helical gear, and a rack. The rack is vertically fixed. The transmission shaft of the drive motor is connected to the bevel gear and drives the bevel gear to rotate. The bevel gear is coaxially fixed with the transmission rod. The bevel gear meshes with the bevel gear and drives the transmission rod to rotate. The transmission rod is rotatably fixed to the upper plate through a bearing seat. The helical gear is fixed at the end of the transmission rod and meshes with the rack. When the transmission rod rotates, the helical gear drives the upper plate to move up and down relative to the rack.

5. The multi-station integrated online testing system according to claim 2, characterized in that, The test guide track includes a test track belt conveyor mechanism, a track module positioning mechanism, a positioning block, and a track module arrival detection mechanism. The track module positioning mechanism and the track module arrival detection mechanism are fixed on the test track belt conveyor mechanism and are used to position and detect the arrival of the circuit board.

6. The multi-station integrated online testing system according to claim 5, characterized in that, The test track belt conveyor mechanism includes a first conveyor belt and a second conveyor belt arranged along the Y direction, and a threaded adjusting rod arranged along the X direction. The first conveyor belt is fixedly arranged, and the second conveyor belt is engaged with the threaded adjusting rod through gears. The threaded adjusting rod is rotated by manual or motor drive, which drives the second conveyor belt to translate relative to the first conveyor belt, thereby adjusting the gap between the first and second conveyor belts to accommodate the width of different circuit boards.

7. The multi-station integrated online testing system according to claim 5, characterized in that, The fixture mounting module is fixedly installed below the test track belt conveyor mechanism. The test fixture is detachably fixed to the surface of the fixture mounting module. The surface of the test fixture has a number of pins, each of which is connected to an external test circuit.

8. The multi-station integrated online testing system according to claim 7, characterized in that, The test fixture includes a fixture body housed in a box. The test circuit is disposed inside the box of the fixture body. Several pins are disposed on the surface of the fixture body. A fixture upper plate is disposed above the pin disposal area. Through holes for guidance are provided on the fixture upper plate corresponding to the disposal position of each pin to facilitate the connection between the circuit board and each pin.

9. The multi-station integrated online testing system according to claim 1, characterized in that, The test loading mechanism includes a loading test track and a loading Z-axis motion module arranged along the Z direction. The rear part of the loading test track is slidably engaged with the loading Z-axis motion module through a loading mounting plate. The loading Z-axis motion module drives the loading test track to translate along the Z direction. The conveying direction of the loading test track is arranged along the Y direction.

10. The multi-station integrated online testing system according to claim 1, characterized in that, The test unloading mechanism includes an unloading test track and an unloading Z-axis motion module arranged along the Z direction. The rear part of the unloading test track is slidably engaged with the unloading Z-axis motion module through an unloading mounting plate. The unloading Z-axis motion module drives the unloading test track to translate along the Z direction. The conveying direction of the unloading test track is arranged along the Y direction. The material feeding test track is equipped with a barcode scanning mechanism above it. The barcode scanning mechanism is also equipped with a barcode positioning mechanism and a barcode scanning arrival inspection mechanism to facilitate the positioning and scanning of the barcode.

Images