High-Efficiency Cleaning Equipment for Circuit Boards

High-Performance Integrated Circuit Board Effective Dust Removal and Cleaning Equipment Briefing

This briefing aims to detail the main themes, important ideas, and key facts of a high-performance integrated circuit board effective dust removal and cleaning equipment, citing relevant content from original materials.

1. Overview and Purpose of the Equipment

The invention provides a high-performance integrated circuit board effective dust removal and cleaning equipment designed to address the current issues of time-consuming and inefficient circuit board cleaning. The equipment achieves cleaning, spraying, drying, and collection of circuit boards through an automated process, thus “saving time and labor while improving work efficiency.”

Core Advantages:

• Automated Cleaning: “By coordinating the conveying mechanism, cleaning mechanism, spraying mechanism, drying mechanism, and rolling brush mechanism, the circuit board can be cleaned automatically without manual intervention, thereby enhancing work efficiency.” (CN112139127B, Paragraph [0060])
• Automated Collection: “By coordinating the flipping mechanism and discharging mechanism, the cleaned circuit board can be automatically collected without manual handling, facilitating the work of personnel.” (CN112139127B, Paragraph [0061])
• Automated Water Supply: “Through the control mechanism, when the water in the tank is insufficient, it can automatically refill the water tank.” (CN112139127B, Paragraph [0062])

2. Background and Existing Problems

The circuit board, as a support for electronic components, is widely used in various electronic devices. However, if dust accumulates on high-frequency or high-voltage circuit boards in humid environments, it may lead to reduced insulation and even cause high-voltage arcing, posing a threat to personal safety. Current cleaning technologies typically rely on specialized cleaning solutions, but this “requires a lot of time, wasting significant time and resulting in low work efficiency.” (CN112139127B, Paragraph [0003]) This invention is designed to overcome these shortcomings.

3. Main Components and Functions of the Equipment

The equipment mainly consists of the following core mechanisms:

• Base Plate (1): Serves as the foundational support for the entire equipment.
• Conveying Mechanism (2):Function: Responsible for inputting the circuit board from the left and transporting it to the right, achieving continuous movement of the circuit board through a series of components.
• Composition: Includes support frame (20), servo motor (21), first support plate (22), drive shaft (23), conveyor belt (24), and toggle lever (25).
• Working Principle: “Start the servo motor (21), the output shaft of the servo motor (21) drives the drive shaft (23), conveyor belt (24), and toggle lever (25) to rotate, transporting the circuit board to the right.” (CN112139127B, Paragraph [0075])
• Cleaning Mechanism (3):Function: Performs preliminary cleaning of the circuit board.
• Composition: Includes second support plate (30), cylinder (31), and nozzle (32).
• Working Principle: “Connect a dry ice gas pipe to the top of the nozzle (32), then start the cylinder (31) to control the nozzle (32) to move back and forth, spraying carbon dioxide gas from the nozzle (32) to clean the circuit board.” (CN112139127B, Paragraph [0077])
• Spraying Mechanism (4):Function: Sprays mist water for cleaning the circuit board.
• Composition: Includes water tank (40), water pump (41), baffle (43), outlet pipe (42), and sprinkler (44).
• Working Principle: “Start the water pump (41), which draws water from the water tank (40) into the outlet pipe (42), and the water is sprayed down from the sprinkler (44) as mist to clean the circuit board.” (CN112139127B, Paragraph [0079])
• Drying Mechanism (5):Function: Dries the cleaned circuit board.
• Composition: Includes support frame (50), support block (51), gearbox (52), first rotating rod (53), first pulley assembly (54), fan (55), and heating tube (56).
• Working Principle: “The heating tube (56) dries the cleaned circuit board, while the drive shaft (23) on the right drives the first rotating rod (53) to rotate through the first pulley assembly (54), and the first rotating rod (53) drives the fan (55) to rotate. The gearbox (52) can increase the rotation speed of the fan (55), which blows air on the cleaned circuit board.” (CN112139127B, Paragraph [0081])
• Discharge Slide (6): Guides the cleaned circuit board to slide down.
• Flipping Mechanism (7):Function: Flips the cleaned circuit board from the conveyor belt to the discharge slide.
• Composition: Includes second rotating rod (70), drive rod (71), flipping block (72), gear assembly (73), flipping piece (74), and torsion spring (75).
• Working Principle: “When the toggle lever (25) contacts the flipping block (72), it drives the flipping block (72) and the second rotating rod (70) to rotate… the flipping piece (74) transfers the cleaned circuit board to the discharge slide (6), which then slides to the right.” (CN112139127B, Paragraph [0084])
• Discharge Mechanism (8):Function: Collects the cleaned circuit board.
• Composition: Includes fixed frame (80), collection frame (81), and pull ring (82).
• Working Principle: “The cleaned circuit board slides from the discharge slide (6) into the collection frame (81) in the fixed frame (80). After all circuit boards are cleaned, pull the pull ring (82) to move the collection frame (81) to the right, facilitating collection.” (CN112139127B, Paragraph [0086])
• Control Mechanism (9):Function: Automatically controls the water level in the water tank, achieving automatic water supply.
• Composition: Includes slide rail (90), lifting rod (91), buoy ball (92), connecting block (93), water supply pipe (94), control rod (95), and full gear (96).
• Working Principle: “When the water in the water tank (40) decreases, it drives the buoy ball (92) and lifting rod (91) to move down… allowing water from the faucet to enter the water tank (40) through the water supply pipe (94).” (CN112139127B, Paragraph [0088])
• Rolling Brush Mechanism (10):Function: Brushes the circuit board.
• Composition: Includes rotating shaft (100), second pulley assembly (101), and brush (102).
• Working Principle: “The first rotating rod (53) drives the rotating shaft (100) and brush (102) to rotate through the second pulley assembly (101), and the brush (102) cleans the circuit board on the conveyor belt (24).” (CN112139127B, Paragraph [0090])

4. Operating Process

When cleaning the circuit board is required, the operator first places the circuit board sequentially on the conveyor belt of the conveying mechanism. After the equipment is started, the circuit board will undergo the following automated processes:

1. Conveying: The servo motor drives the conveyor belt to transport the circuit board to the right.
2. Cleaning (Dry Ice): The cylinder drives the nozzle to move back and forth, spraying carbon dioxide gas to perform preliminary dust removal on the circuit board.
3. Spraying (Mist Water): The water pump draws water from the water tank into the outlet pipe, spraying mist water from the sprinkler to wet clean the circuit board.
4. Rolling Brush: The brush of the rolling brush mechanism cleans the circuit board on the conveyor belt, assisting in cleaning.
5. Drying: The heating tube heats the circuit board while the fan blows air to accelerate the drying process.
6. Flipping and Discharging: The toggle lever and flipping block work together, using gears and spring mechanisms to flip the cleaned and dried circuit board onto the discharge slide.
7. Collection: The circuit board slides down the discharge slide into the collection frame.
8. Automatic Water Supply: When the water level in the tank decreases, the buoy ball and lifting rod control the faucet to automatically refill the water tank.

After cleaning all circuit boards, turn off the servo motor and pull out the collection frame using the pull ring for easy manual collection of the cleaned circuit boards.

5. Conclusion

This “high-performance integrated circuit board effective dust removal and cleaning equipment” significantly enhances the efficiency and convenience of circuit board cleaning through its integrated automated design, avoiding the time-consuming and inefficient issues of traditional manual cleaning, and effectively reducing potential risks such as high-voltage arcing. Its multifunctional integrated design, including conveying, cleaning, spraying, drying, flipping, discharging, and automatic water supply, makes it a comprehensive and efficient solution.