BGA online X-Ray detection equipment

Abstract

The BGA online X-Ray detection equipment comprises an anti-radiation shell, openings are formed in the two sides of the anti-radiation shell, the anti-radiation shell is provided with a conveying belt, the two ends of the conveying belt extend to the outer sides of the openings, an X-ray source is arranged in the anti-radiation shell and located above the conveying belt, and the X-ray source is connected with the conveying belt. And a flat panel detector is arranged below the conveyor belt in the anti-radiation shell. Welding spot defects can be found and processed in time, the rejection rate is reduced, and the product quality and the production efficiency are improved. Meanwhile, the equipment has the advantages of high automation degree, high detection precision, simplicity and convenience in operation and the like, and the production automation level and the market competition of enterprises can be remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery cell detection, especially relates to a BGA on-line X-Ray detection equipment. BACKGROUND

[0002] With the rapid development of the electronic industry, BGA, as a high-density packaging technology, has been widely used in electronic devices. However, the welding quality of BGA chips directly affects the reliability and performance of the entire circuit board, so the improvement of detection technology is particularly important. The current X-Ray detection equipment has low precision, needs manual assistance during use, cannot achieve automatic operation, may cause damage to the structure of the detected chip, and the detection efficiency is also greatly reduced. Therefore, we design a BGA on-line X-Ray detection equipment which can non-destructively detect the hidden solder structure at the bottom of the chip by utilizing the penetrating property of X-rays, clearly distinguish the solder points, PCB materials and other components. This technology not only improves the detection accuracy, but also realizes automatic operation, significantly improves the detection efficiency and accuracy. On the production line, it can be used as a link of quality control to ensure product quality and help engineers quickly locate welding defects when performance problems occur in the circuit board. Such as IC packaging, PCB detection, etc. By using this equipment, enterprises can timely discover and handle solder defects, reduce scrap rate, improve product quality and production efficiency. At the same time, the equipment also has the advantages of high automation degree, high detection precision, simple operation, etc., which can significantly improve the production automation level and market competitiveness of enterprises. SUMMARY

[0003] The utility model aims at providing a BGA on-line X-Ray detection equipment which is installed with a conveying belt, realizes automatic feeding and discharging, automatically conveys materials, can timely discover and handle solder defects, reduces scrap rate, improves product quality and production efficiency.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a BGA on-line X-Ray detection equipment, including the anti-radiation shell, the anti-radiation shell both sides are equipped with the opening, the anti-radiation shell has the conveying belt, the both ends of the conveying belt extend to the outside of the opening, the anti-radiation shell is located in the X-ray source above the conveying belt in, the anti-radiation shell is located in the flat panel detector below the conveying belt.

[0006] Further, the conveying belt includes an inlet end conveying belt, a detection end conveying belt, and an outlet end conveying belt. The inlet end conveying belt and the outlet end conveying belt are both arranged outside the opening.

[0007] Further, the feeding end conveyor belt, the detection end conveyor belt and the discharging end conveyor belt each comprise two synchronous parallel conveying tracks, which are driven by respective driving motors.

[0008] Further, a code scanning mechanism is arranged above the feeding end conveyor belt and located outside the radiation-proof shell.

[0009] Further, a lifting protective door is arranged on the opening.

[0010] Further, an upper three-axis mechanism for driving the X-ray source to move in three axes is fixed in the radiation-proof shell.

[0011] Further, a lower three-axis mechanism for driving the flat panel detector to move in three axes is fixed in the radiation-proof shell.

[0012] Further, a display keyboard support is arranged on the radiation-proof shell.

[0013] Further, a working state indicating lamp is arranged on the top of the radiation-proof shell.

[0014] The welding spot detection device has the advantages that the device can timely find and handle welding spot defects, reduce the waste rate, improve the product quality and production efficiency, and has the advantages of high automation degree, high detection precision, simple operation and the like, and can significantly improve the production automation level and market competition of enterprises. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the device.

[0016] Figure 2 is a schematic view of the device.

[0017] In the figure, 1 is a radiation-proof shell, 2 is a feeding end conveyor belt, 3 is a detection end conveyor belt, 4 is a discharging end conveyor belt, 5 is an opening, 6 is a conveying track, 7 is a lifting protective door, 8 is a driving motor, 9 is an X-ray source, 10 is a flat panel detector, 11 is an upper three-axis mechanism, 12 is a lower three-axis mechanism, 13 is a code scanning mechanism, 14 is a display keyboard support, and 15 is a working state indicating lamp. DETAILED DESCRIPTION

[0018] The device will be further described below in combination with the drawings.

[0019] Please refer to Figures 1 to 2 The device provides an embodiment.

[0020] Please refer to Figure 1 and Figure 2The utility model provides a kind of BGA online X-Ray detection equipment, including radiation-proof shell 1, opening 5 is set in both sides of radiation-proof shell 1, radiation-proof shell 1 body has conveying belt, the both ends of conveying belt extend to outside of opening 5, X-ray source 9 is located in the top of conveying belt in radiation-proof shell 1, flat panel detector 10 is located in the bottom of conveying belt in radiation-proof shell 1.

[0021] Refer to Figure 1 Conveying belt includes feed end conveying belt 2, detection end drive belt 3 and discharge end conveying belt 4, and feed end conveying belt 2 and discharge end conveying belt 4 are arranged outside the opening.

[0022] Refer to Figure 1 Feed end conveying belt 2, detection end drive belt 3 and discharge end conveying belt 4 all include two synchronous parallel conveying tracks 6, and the conveying track 6 is driven by respective driving motor 8.Synchronous parallel conveying track 6 can better drive conveying belt to work.

[0023] Refer to Figure 1 And Figure 2 A code scanning mechanism 13 is arranged above feed end conveying belt 2, and the code scanning mechanism 13 is located outside the radiation-proof shell 1.The code scanning mechanism 13 scans the incoming material and records product information.

[0024] Refer to Figure 1 Lifting protective door 7 is installed on opening 5.Lifting protective door 7 is designed with safety switch interlocked with X-ray source 9, X-ray source 9 cannot be powered on when lifting protective door 7 is opened, to prevent X-ray leakage and ensure the safety of workers.

[0025] Refer to Figure 1 A upper three-axis mechanism 11 for driving X-ray source 9 to move in three axes is fixed in the radiation-proof shell 1.The upper three-axis mechanism 11 drives X-ray source 9 to move to emit X-ray.

[0026] Refer to Figure 1 A lower three-axis mechanism 12 for driving flat panel detector 10 to move in three axes is fixed in the radiation-proof shell 1.The lower three-axis mechanism 12 moves synchronously with the upper three-axis mechanism 11 in XY axis to ensure normal image taking function.

[0027] Refer to Figure 2 A display and keyboard support 14 is installed on the radiation-proof shell 1.The display and keyboard support 14 can place display and keyboard on it, and the display and keyboard support 14 has buttons, which can be operated by controlling the buttons on the display and keyboard support 14.

[0028] Refer to Figure 1 And Figure 2The working state indicating lamp 15 is installed on the top of the anti-radiation shell 1. The working state indicating lamp 15 can immediately stop working and give a warning when the equipment has abnormal operation or failure.

[0029] Working principle: The material is placed on the feeding end conveyor 2, the driving motor 8 of the feeding end conveyor 2 drives the feeding end conveyor 2 to drive the material, the material passes through the code scanning mechanism 13 arranged above the feeding end conveyor 2, the code scanning mechanism 13 scans the code of the material to record the product information, the material enters the detection end conveyor 3 driven by the detection end driving motor 8, the upper three-axis mechanism 11 drives the X-ray source 9 to move to emit X-rays, the lower three-axis mechanism 12 drives the flat panel detector 10 to move to take pictures and X-ray imaging, then the material is taken out by the discharge end conveyor 4 driven by the discharge end driving motor 8. The display keyboard support 14 is used to place the display and keyboard, which is provided with a USB connecting line connected with the host computer for connecting and controlling the device. The lifting protective door 7 is arranged at the opening 5 to ensure the safety of the workers, the working state indicating lamp 15 installed on the top of the anti-radiation shell 1 gives a warning and stops working immediately when the equipment has abnormal operation or failure, which ensures the safety of man-machine.

Claims

1. An online X-ray inspection device for BGA, characterized in that: The device includes a radiation shielding housing with openings on both sides, a conveyor belt extending to the outside of the openings at both ends, an X-ray source located above the conveyor belt inside the radiation shielding housing, and a flat panel detector located below the conveyor belt inside the radiation shielding housing.

2. The online X-ray inspection device for BGA according to claim 1, characterized in that: The conveyor belt includes a feed end conveyor belt, a detection end transmission belt, and a discharge end conveyor belt, with both the feed end conveyor belt and the discharge end conveyor belt located outside the opening.

3. The online X-ray inspection device for BGA according to claim 2, characterized in that: The feed end conveyor belt, the detection end transmission belt, and the discharge end conveyor belt each include two synchronous parallel conveyor rails, each driven by its own drive motor.

4. The online X-ray inspection device for BGA according to claim 2, characterized in that: A barcode scanning mechanism is installed above the feed conveyor belt, and the barcode scanning mechanism is located outside the radiation shielding shell.

5. The online X-ray inspection device for BGA according to claim 1, characterized in that: A lifting safety door is installed on the opening.

6. The online X-ray inspection device for BGA according to claim 1, characterized in that: The radiation shielding housing is equipped with an upper triaxial mechanism for driving the X-ray source to perform triaxial motion.

7. The online X-ray inspection device for BGA according to claim 1, characterized in that: The radiation shielding housing contains a lower three-axis mechanism for driving the flat panel detector to perform three-axis motion.

8. The online X-ray inspection device for BGA according to claim 1, characterized in that: The radiation-proof housing is equipped with a monitor and keyboard bracket.

9. The online X-ray inspection device for BGA according to claim 1, characterized in that: The radiation shield is equipped with a working status indicator light on the top.

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