Intelligent electronic circuit board moisture-proof and anti-corrosion surface layer coating device
By introducing a collection bin and cleaning system into the electronic circuit board coating device, and utilizing a combination of water washing and hot air drying technology, the problem of excess glue adhesion was solved, thus ensuring the cleanliness of the workbench and the quality of coating.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-03
AI Technical Summary
During the coating process of electronic circuit boards, the wide-area spraying method causes excess glue to adhere to the worktable, which is difficult to remove and affects subsequent processing.
Design an intelligent electronic circuit board moisture-proof and corrosion-proof surface coating device. The device uses a grid frame to support the circuit board and is equipped with a collection bin, air duct, exhaust fan, air nozzle and water nozzle. Residual glue is removed by a combination of water washing and hot air drying.
Effectively removes residual glue, avoiding impact on subsequent processing and ensuring the cleanliness of the workbench and the quality of coating.
Smart Images

Figure CN224072377U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic circuit board coating, specifically to an intelligent electronic circuit board moisture-proof and corrosion-proof surface coating device. Background Technology
[0002] Applying a layer of conformal coating to the surface of electronic circuit boards can effectively protect the circuit boards in smart electronic products from moisture. The coating of electronic circuit boards can be done manually or by equipment.
[0003] When coating electronic circuit boards with conformal coating, some equipment has modified the glue spray nozzles to atomize in order to improve processing efficiency, spraying the glue onto the surface of the electronic circuit boards in a wide spraying manner. This can also make the dead corners on the surface of the electronic circuit boards come into contact with the glue. However, the glue sprayed will splash onto the circuit board workbench. If it is not cleaned in time, it will be difficult to clean it completely, and it will also affect the coating process of the next batch of circuit boards. To address this, an intelligent moisture-proof and corrosion-proof surface coating device for electronic circuit boards is provided. Utility Model Content
[0004] I. Technical problems to be solved
[0005] The technical problem this invention aims to solve is that when the equipment uses a wide-area spraying method to coat electronic circuit boards, excess glue will adhere to the workbench.
[0006] II. Technical Solution
[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: an intelligent electronic circuit board moisture-proof and corrosion-proof surface coating device, including a grid frame that supports the electronic circuit board, and a collection bin for coating glue waste installed around the bottom of the grid frame.
[0008] The bottom of the collection chamber is connected to an air duct, and an exhaust fan is installed at the end of the air duct.
[0009] The top of the collection chamber is rotatably connected to a base, and air nozzles for cleaning the collection chamber and supplying hot air and water nozzles for supplying clean water are respectively installed on the base.
[0010] Furthermore, bushings are installed around the collection chamber, and a support column that receives the base at the top is rotatably connected inside the bushings. Pulleys are installed on the support column, and a synchronous belt is connected between the pulleys. A drive assembly for driving the support column to rotate is installed on one side of the bottom of the collection chamber.
[0011] Furthermore, the drive assembly includes a drive shaft rotatably connected to one side of the collection bin and mounted together with the support column via a coupling, and a motor that drives and cooperates with the drive shaft is mounted on the collection bin.
[0012] Furthermore, the air nozzle is configured in conjunction with a corresponding heat pump device, and the water nozzle is configured in conjunction with a corresponding water supply system.
[0013] Furthermore, a waste liquid tank is installed below the collection chamber, a discharge pipe is connected to the waste liquid tank, and a water pump is installed on the discharge pipe.
[0014] III. Beneficial Effects
[0015] The advantages of this utility model compared with the prior art are as follows: The device first sets the part of the workbench that carries the electronic circuit board into a mesh frame, and installs a material collection funnel around it. The residual glue is washed away by water washing and rinsing, combined with the effect of the fan exhaust. In addition, according to the characteristics of the conformal adhesive drying and curing, a hot air supply system is added to dry the washed parts without affecting subsequent use. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the external structure of an intelligent electronic circuit board moisture-proof and corrosion-resistant surface coating device according to this utility model. Figure 1 .
[0017] Figure 2 This is a schematic diagram of the external structure of an intelligent electronic circuit board moisture-proof and corrosion-resistant surface coating device according to this utility model. Figure 2 .
[0018] Figure 3 yes Figure 1 A partial structural diagram.
[0019] Figure 4 yes Figure 2 A partial structural diagram.
[0020] As shown in the figure: 1. Grid frame, 2. Collection bin, 3. Air duct, 4. Exhaust fan, 5. Waste liquid tank, 6. Discharge pipe, 7. Water pump, 8. Bushing, 9. Support column, 10. Base, 11. Air nozzle, 12. Water nozzle, 13. Pulley, 14. Synchronous belt, 15. Drive shaft, 16. Motor. Detailed Implementation
[0021] The present invention will now be described in further detail with reference to the accompanying drawings.
[0022] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: an intelligent electronic circuit board moisture-proof and corrosion-resistant surface coating device, combined with the attached... Figure 1-2The system includes a grid frame 1 that carries electronic circuit boards, and a collection bin 2 for coated glue waste installed around the bottom of the grid frame 1. A waste liquid tank 5 is installed below the collection bin 2. A discharge pipe 6 is connected to the waste liquid tank 5. A water pump 7 is installed on the discharge pipe 6. An air duct 3 is connected to one side of the bottom of the collection bin 2. An exhaust fan 4 is installed at the end of the air duct 3.
[0023] The top of the collection chamber 2 is funnel-shaped and arranged around the mesh frame 1. The bottom is tubular. Under the action of the exhaust fan 4, a strong airflow from top to bottom is formed in the tube of the collection chamber 2, which absorbs the excess glue attached to the mesh frame 1 and the funnel part into the waste liquid tank 5 below for temporary storage. After the storage reaches a certain level, it is discharged through the discharge pipe 6 with water pump 7.
[0024] Combined with appendix Figure 3-4 The collection chamber 2 is rotatably connected to a base 10 around its top. The base 10 is respectively equipped with an air nozzle 11 for cleaning the collection chamber 2 and supplying hot air, and a water nozzle 12 for supplying clean water. The air nozzle 11 is configured in conjunction with a corresponding heat pump device, and the water nozzle 12 is configured in conjunction with a corresponding water supply system.
[0025] Combined with appendix Figure 1-2 The collection chamber 2 is equipped with bushings 8 around its perimeter. A support column 9, which receives the base 10 at its top, is rotatably connected inside the bushings 8. A pulley 13 is installed on the support column 9. A synchronous belt 14 is connected between the pulleys 13. A drive assembly for driving the support column 9 to rotate is installed on one side of the bottom of the collection chamber 2. The drive assembly includes a transmission shaft 15 rotatably connected to one side of the collection chamber 2 and installed together with the support column 9 through a coupling. A motor 16 is installed on the collection chamber 2 and drives the transmission shaft 15.
[0026] The adhesive on the mesh frame 1 and funnel is washed away by the water sprayed from the water nozzle 12. Then, the hot air output from the air nozzle 11 is used to dry the wet mesh frame 1 and other parts after cleaning, so as to avoid affecting the coating of the electronic circuit board in the next step.
[0027] When the motor 16 is running, the drive shaft 15 and each support column 9 carry the base 10 to rotate. Since there is a transmission assembly consisting of pulley 13 and synchronous belt 14 between each support column 9, the rotation of each base 10 is in the same direction, that is, they all rotate clockwise or counterclockwise synchronously, thereby expanding the coverage of washing and drying.
[0028] In a specific implementation of this invention, when applying adhesive to the electronic circuit board, the electronic circuit board is placed on the mesh frame 1. After one application, the water nozzle 12 sprays clean water into the mesh frame 1 and the collection chamber 2 to wash away the adhesive that splashed onto and remained on the mesh frame 1 and other parts after application. At the same time, the fan below is also running, using a relatively strong airflow to quickly transport the waste liquid containing adhesive downwards and collect it into the waste liquid tank 5 for temporary storage. After cleaning, the water supply from the water nozzle 12 stops, and the air nozzle 11 starts supplying hot air to dry the water stains remaining on the mesh frame 1 after washing. Throughout the above process, the motor 16 continuously rotates in both forward and reverse directions, ensuring that the washing water and drying hot air can effectively reach every area of the mesh frame 1 and the funnel part of the collection chamber 2.
[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. An intelligent electronic circuit board moisture-proof and corrosion-proof surface coating device, comprising a net rack (1) for carrying electronic circuit boards, and a glue waste collecting bin (2) installed around the bottom of the net rack (1), characterized in that: One side of the bottom of the collecting bin (2) is connected with an air duct (3), and the end of the air duct (3) is provided with an air extractor (4); The top of the collecting bin (2) is rotatably connected with a base (10) around the periphery, and the base (10) is respectively provided with an air jet (11) for cleaning and supplying hot air to the collecting bin (2) and a water jet (12) for supplying clean water.
2. The device for coating the surface of an intelligent electronic circuit board according to claim 1, wherein: Around the collecting bin (2), a shaft sleeve (8) is installed, a support column (9) is rotatably connected in the shaft sleeve (8) and receives the base (10) at the top, a belt pulley (13) is installed on the support column (9), a synchronous belt (14) is connected between the belt pulleys (13), and a drive assembly is installed on one side of the bottom of the collecting bin (2) to drive the rotation of the support column (9).
3. The device according to claim 2, wherein the device is characterized by: The drive assembly comprises a transmission shaft (15) rotatably connected on one side of the collecting bin (2) and connected with the support column (9) through a shaft coupling, and a motor (16) is installed on the collecting bin (2) and in transmission cooperation with the transmission shaft (15).
4. The device for coating the surface of an intelligent electronic circuit board according to claim 1, wherein: The air jet (11) is matched with a corresponding heat pump device, and the water jet (12) is matched with a corresponding water supply system.
5. The device for coating the surface of an intelligent electronic circuit board according to claim 1, wherein: A waste liquid tank (5) is installed below the collecting bin (2), a discharge pipe (6) is connected to the waste liquid tank (5), and a water pump (7) is installed on the discharge pipe (6).