Circuit board steel plate coating flow balancing mechanism

Abstract

The utility model provides a circuit board steel plate coating flow balancing mechanism, which relates to the technical field of circuit board manufacturing equipment and comprises a mounting plate, a flow control box is fixedly connected to one side of the outer wall of the mounting plate, two first bearings are fixedly inserted into the inner surface wall of the flow control box, and a threaded rod is fixedly inserted between the interiors of the two first bearings. According to the device, the coating flow of the circuit board steel plate can be balanced and adjusted under the interaction of all the components of the device, and the coating die head can still receive stable and balanced coating liquid even if the liquid viscosity is high or the fluctuation in a pipeline occurs, so that the thickness of the coating of the circuit board is ensured to be consistent, and the performance and the quality of the circuit board are improved; and the spiral conveying process has mixing and homogenizing functions, so that sufficient mixing of liquids with different components can be effectively promoted, and the components of the coating liquid are uniform when the coating liquid reaches a coating head.

Description

Technical Field

[0001] This utility model relates to the field of circuit board manufacturing equipment technology, and in particular to a circuit board steel plate coating flow equalization mechanism. Background Technology

[0002] Circuit board steel is the basic material used to make circuit boards. It is usually made of thin metal sheets and has good electrical conductivity, thermal conductivity and mechanical strength. It provides support and electrical connection basis for the installation of electronic components and the construction of circuits.

[0003] During the production of circuit board steel sheets, coating liquid (such as insulating coating, photoresist, etc.) needs to be delivered to the coating die head at a stable and balanced flow rate. Then, the coating liquid is evenly coated on the surface of the steel sheet by the coating roller to ensure that the coating thickness is consistent and the surface is flat and smooth. This meets the stringent requirements of circuit boards for various performance indicators such as electrical performance and protection performance, thereby improving product quality and reliability.

[0004] However, existing circuit board steel coatings have the following shortcomings:

[0005] In existing technologies, when coating circuit board steel sheets, a pump is needed to deliver the coating liquid to the coating die head for uniform coating. However, in actual operation, the coating liquid is mostly a high-viscosity liquid. When the pump delivers the liquid, the high internal friction of the high-viscosity liquid results in high flow resistance in the pipeline, leading to uneven flow. Furthermore, pressure fluctuations in the pipeline and external vibrations can also cause slight changes in the flow rate, making it impossible to ensure a balanced and stable flow of the coating liquid. This results in inconsistent coating thickness, affecting the performance and quality of the circuit board.

[0006] Therefore, we propose a circuit board steel plate coating flow equalization mechanism to solve the problems mentioned above. Utility Model Content

[0007] The purpose of this invention is to provide a circuit board steel plate coating flow equalization mechanism. By using a motor drive combined with a threaded assembly transmission, the flow rate and pressure of the coating liquid in the pipeline can be precisely controlled. Through the uniform conveying effect of the motor drive combined with the screw conveyor assembly, the coating liquid can be uniformly delivered to the coating die head, thereby solving the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a circuit board steel plate coating flow balancing mechanism, comprising a mounting plate, a flow control box fixedly connected to one side of the outer wall of the mounting plate, two first bearings fixedly inserted into the inner surface of the flow control box, a threaded rod fixedly inserted between the two first bearings, a first motor fixedly connected to one side of the outer wall of the threaded rod, and the outer surface of the first motor fixedly connected to the inner surface of the flow control box, a threaded block threadedly connected to the outer surface of the threaded rod, a guide rod fixedly inserted into the inner surface of the flow control box, and the outer surface of the guide rod movably inserted into the threaded block, a movable rod fixedly connected to the bottom of the threaded block, and the outer surface of the movable rod movably inserted into the flow control box, a flow control block fixedly connected to the bottom of the movable rod, a sealing strip provided on the inner surface of the flow control box, a first infusion tube fixedly connected to the output end of the flow control box, a pressure sensor provided on the outer surface of the first infusion tube, and a delivery pipe fixedly connected to the output end of the first infusion tube.

[0009] Preferably, two second bearings are fixedly inserted into the inner wall of the conveying pipe, a rotating shaft is fixedly inserted between the two second bearings, and a spiral blade is fixedly sleeved on the outer wall of the rotating shaft.

[0010] Preferably, a second motor is fixedly connected to one side of the outer wall of the rotating shaft, and a connecting pipe is fixedly connected to the outer wall of the flow control box.

[0011] Preferably, the input end of the flow control box is fixedly connected to a second infusion tube, the input end of the second infusion tube is fixedly connected to a filter box, and the top of the mounting plate is fixedly connected to the bottom of the filter box.

[0012] Preferably, a coarse filter screen is movably inserted into the inner wall of the filter box, and a fine filter screen is movably inserted into the inner wall of the filter box.

[0013] Preferably, the top of the filter box has four threaded grooves, and the inner surface of each of the four threaded grooves is threaded with a fixing bolt.

[0014] Preferably, a sealing cover is movably fitted between the outer walls of the four fixing bolts, and the input end of the filter box is fixedly connected to an inlet pipe.

[0015] 1. In this utility model, through the interaction of the various components of the device, the flow rate and pressure of the coating liquid in the pipeline can be precisely controlled by using a motor drive combined with the screw assembly transmission. By using a motor drive combined with the uniform conveying effect of the screw conveyor assembly, the coating liquid can be uniformly delivered to the coating die head. This flow control method can evenly adjust the coating flow rate of the circuit board steel plate. Even when facing conditions such as high liquid viscosity or fluctuations in the pipeline, the coating die head can still receive a stable and uniform coating liquid, thereby ensuring a consistent coating thickness on the circuit board and improving the performance and quality of the circuit board. In addition, the screw conveying process also has mixing and homogenization functions, which can effectively promote the full mixing of liquids with different components and ensure that the coating liquid is uniform in composition when it reaches the coating head.

[0016] 2. In this utility model, through the interaction of the various components of the device, the filter component can perform double filtration of the coating liquid before the coating operation, which significantly improves its purity and quality, ensures uniform and stable coating effect, and the filter component is easy to disassemble, which effectively improves the maintenance efficiency of the equipment. Attached Figure Description

[0017] Figure 1 This utility model provides a front view perspective view of a circuit board steel plate coating flow balancing mechanism.

[0018] Figure 2 This utility model provides a partial sectional perspective view of a circuit board steel plate coating flow balancing mechanism.

[0019] Figure 3 This utility model provides a three-dimensional exploded view of a partial structure of a circuit board steel plate coating flow balancing mechanism;

[0020] Figure 4 This utility model presents a partial structural side view of a flow balancing mechanism for coating a circuit board steel plate.

[0021] Legend: 1. Mounting plate; 2. Flow control box; 3. First bearing; 4. Threaded rod; 5. First motor; 6. Threaded block; 7. Guide rod; 8. Movable rod; 9. Flow control block; 10. Sealing strip; 11. First infusion tube; 12. Pressure sensor; 13. Delivery tube; 14. Second bearing; 15. Rotating shaft; 16. Spiral blade; 17. Second motor; 18. Connecting tube; 19. Second infusion tube; 20. Filter box; 21. Coarse filter screen; 22. Fine filter screen; 23. Threaded groove; 24. Fixing bolt; 25. Sealing cap; 26. Inlet tube. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1, as shown in the attached document Figure 1 - Appendix Figure 4 As shown, this utility model provides a technical solution: a circuit board steel plate coating flow balancing mechanism, including a mounting plate 1, a flow control box 2 fixedly connected to one side of the outer wall of the mounting plate 1, two first bearings 3 fixedly inserted into the inner surface of the flow control box 2, a threaded rod 4 fixedly inserted between the interiors of the two first bearings 3, a first motor 5 fixedly connected to one side of the outer wall of the threaded rod 4, and the outer surface of the first motor 5 fixedly connected to the inner surface of the flow control box 2, a threaded block 6 threadedly connected to the outer surface of the threaded rod 4, a guide rod 7 fixedly inserted into the inner surface of the flow control box 2, and the outer surface of the guide rod 7 movably inserted into the interior of the threaded block 6, and a movable rod 8 fixedly connected to the bottom of the threaded block 6. The outer wall of the movable rod 8 is movably inserted into the inside of the flow control box 2. The bottom of the movable rod 8 is fixedly connected to the flow control block 9. The inner wall of the flow control box 2 is provided with a sealing strip 10. The output end of the flow control box 2 is fixedly connected to the first infusion tube 11. The outer wall of the first infusion tube 11 is provided with a pressure sensor 12. The output end of the first infusion tube 11 is fixedly connected to the delivery tube 13. The inner wall of the delivery tube 13 is fixedly inserted with two second bearings 14. The inside of the two second bearings 14 is fixedly inserted with a rotating shaft 15. The outer wall of the rotating shaft 15 is fixedly fitted with a spiral blade 16. The outer wall of the rotating shaft 15 is fixedly connected to a second motor 17. The outer wall of the flow control box 2 is fixedly connected to a connecting tube 18.

[0025] The overall effect achieved in Embodiment 1 is as follows: When the circuit board steel sheet coating operation is performed, the pressure sensor 12 first monitors the pressure state inside the pipeline in real time. When the pressure inside the pipeline does not match the preset value, the first motor 5 is started. This motor drives the threaded block 6 to move horizontally through the threaded assembly. The threaded block 6 then drives the flow control block 9 to move inside the flow control box 2 through the movable rod 8, thereby effectively adjusting the flow cross section of the coating liquid inside the flow control box 2, realizing precise regulation of the flow and pressure inside the pipeline, so that the coating liquid can enter the delivery pipe 13 at a stable pressure, and then start... The second motor 17 drives the rotating shaft 15 and the spiral blade 16 to rotate. During the rotation, the spiral blade 16 continuously pushes the coating liquid towards the connecting pipe 18. This pushing method can effectively overcome the viscous resistance of the liquid, reduce the flow fluctuation caused by the viscosity of the liquid, and ensure that the coating liquid is delivered to the coating die head for coating operation at a more uniform speed and flow. This process not only improves the coating quality of the circuit board steel plate, but also the spiral blade 16 plays a stirring role in the coating liquid during the rotation, so that the liquids of different components are fully mixed, ensuring that the composition of the coating liquid is uniform when it reaches the coating head.

[0026] Example 2, as Figure 2-4 As shown, the input end of the flow control box 2 is fixedly connected to the second infusion pipe 19, the input end of the second infusion pipe 19 is fixedly connected to the filter box 20, and the top of the mounting plate 1 is fixedly connected to the bottom of the filter box 20. A coarse filter screen 21 is movably inserted into the inner wall of the filter box 20, and a fine filter screen 22 is movably inserted into the inner wall of the filter box 20. Four threaded grooves 23 are opened on the top of the filter box 20, and fixing bolts 24 are threadedly connected to the inner walls of the four threaded grooves 23. A sealing cover 25 is movably fitted between the outer walls of the four fixing bolts 24. The input end of the filter box 20 is fixedly connected to the infusion pipe 26.

[0027] The overall effect achieved in Embodiment 2 is as follows: Before entering the flow equalization mechanism, the coating liquid first enters the filter box 20. Inside the filter box 20, the coarse filter 21 performs preliminary filtration to remove larger particulate impurities in the coating liquid. Subsequently, the fine filter 22 performs further filtration to remove even finer impurities and particles, ensuring that the coating liquid undergoes double filtration before entering the coating die. This significantly improves the purity and quality of the coating liquid, thereby ensuring the uniformity and stability of the coating effect. Furthermore, the sealing cover 25 can be quickly disassembled via the bolt assembly to replace or maintain the internal filter components. This not only improves the maintenance efficiency of the equipment but also extends its service life, ensuring the continuous stability and high quality of the coating operation.

[0028] The working principle of the entire device is as follows: During use, first, securely install the mounting plate 1 on one side of the circuit board steel plate coating machine, ensuring that the input port of the inlet pipe 26 is fixedly connected to the outlet port of the coating pump, and simultaneously, the output end of the connecting pipe 18 is fixedly connected to the inlet pipe of the coating die head. Then, safely connect the device's power supply to an external power source to ensure the normal operation of internal electrical components such as motors and sensors. At the same time, it is also necessary to reliably connect the signal output terminal of the sensor assembly to the coating machine's control system to facilitate... Real-time monitoring and control are implemented. When the coating operation starts, the coating pump begins operation, pumping the coating liquid to the filter box 20. Inside the filter box 20, the coarse filter 21 first removes large particulate impurities from the coating liquid. Subsequently, the fine filter 22 performs secondary filtration to further remove fine impurities, ensuring that the coating liquid undergoes double fine filtration before entering the coating die head, thereby improving the purity and stability of the coating liquid. The filtered coating liquid flows sequentially through the second infusion pipe 19 and the first infusion pipe 11, and finally enters the delivery pipe 13. During this process, pressure sensor 12 continuously monitors the pressure inside the pipeline to ensure the stability of the coating liquid during transportation. Once a deviation is detected between the pressure inside the pipeline and the preset value, the control system will start the first motor 5. The output end of the first motor 5 drives the threaded rod 4 to rotate, and the threaded rod 4 in turn drives the threaded block 6 to move horizontally. The threaded block 6 drives the flow control block 9 to move inside the flow control box 2 through the movable rod 8, thereby precisely adjusting the flow cross section of the coating liquid in the flow control box 2. This method effectively expands or reduces the flow channel of the coating liquid, so that the flow pressure inside the pipeline is effectively regulated, ensuring that the coating liquid enters the delivery pipe 13 with a stable pressure. At the same time, the second motor 17 is started, and its output end drives the rotating shaft 15 and the spiral blade 16 to rotate. During the rotation, the spiral blade 16 continuously pushes the coating liquid to the connecting pipe 18, ensuring that the coating liquid is delivered to the coating head at a more uniform speed and flow. Finally, the coating liquid reaches the coating die head at a stable flow rate for high-quality coating operation.

[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A circuit board steel plate coating flow equalization mechanism, characterized in that: Includes a mounting plate (1), on one side of the outer wall of the mounting plate (1) a flow control box (2) is fixedly connected, two first bearings (3) are fixedly inserted into the inner surface of the flow control box (2), a threaded rod (4) is fixedly inserted between the interior of the two first bearings (3), a first motor (5) is fixedly connected to one side of the outer wall of the threaded rod (4), and the outer surface of the first motor (5) is fixedly connected to the inner surface of the flow control box (2), a threaded block (6) is threadedly connected to the outer surface of the threaded rod (4), and a guide rod (7) is fixedly inserted into the inner surface of the flow control box (2), and the guide rod ( 7) The outer wall of the movable rod (8) is movably inserted inside the threaded block (6). The bottom of the threaded block (6) is fixedly connected to the movable rod (8), and the outer wall of the movable rod (8) is movably inserted inside the flow control box (2). The bottom of the movable rod (8) is fixedly connected to the flow control block (9). The inner wall of the flow control box (2) is provided with a sealing strip (10). The output end of the flow control box (2) is fixedly connected to the first infusion tube (11). The outer wall of the first infusion tube (11) is provided with a pressure sensor (12). The output end of the first infusion tube (11) is fixedly connected to the delivery tube (13).

2. The circuit board steel plate coating flow equalization mechanism according to claim 1, characterized in that: Two second bearings (14) are fixedly inserted into the inner wall of the conveying pipe (13), and a rotating shaft (15) is fixedly inserted between the interiors of the two second bearings (14). A spiral blade (16) is fixedly sleeved on the outer wall of the rotating shaft (15).

3. The circuit board steel plate coating flow equalization mechanism according to claim 2, characterized in that: A second motor (17) is fixedly connected to one side of the outer wall of the rotating shaft (15), and a connecting pipe (18) is fixedly connected to the outer wall of the flow control box (2).

4. The circuit board steel plate coating flow equalization mechanism according to claim 3, characterized in that: The input end of the flow control box (2) is fixedly connected to the second infusion tube (19), the input end of the second infusion tube (19) is fixedly connected to the filter box (20), and the top of the mounting plate (1) is fixedly connected to the bottom of the filter box (20).

5. The circuit board steel plate coating flow equalization mechanism according to claim 4, characterized in that: The inner wall of the filter box (20) is movably fitted with a coarse filter screen (21) and a fine filter screen (22).

6. The circuit board steel plate coating flow equalization mechanism according to claim 5, characterized in that: The top of the filter box (20) is provided with four threaded grooves (23), and the inner surface of each of the four threaded grooves (23) is threaded with fixing bolts (24).

7. The circuit board steel plate coating flow equalization mechanism according to claim 6, characterized in that: A sealing cap (25) is movably fitted between the outer walls of the four fixing bolts (24), and an inlet pipe (26) is fixedly connected to the input end of the filter box (20).

Images