Liquid coating equipment for PCB (printed circuit board) processing
By introducing components such as electric push rods and threaded rods into the liquid coating equipment, the rotation of the PCB circuit board is solved, the problem of uneven coating is improved, product quality and reliability are improved, and cost is reduced.
Patent Information
- Application Number
- CN202421334124.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-06-12
AI Technical Summary
During the spraying process of existing liquid coating equipment based on PCB circuit boards, the flip of the PCB circuit board relies on manual operation, resulting in uneven coating and reducing the quality and reliability of the product.
A liquid coating device is designed to enable rotation of the PCB circuit board by installing fixed components on both sides of the inner wall of the machine, including electric push rods, push rods, motors and threaded rods, so that the coating material is distributed more evenly on the surface of the circuit board.
By rotating the circuit board, uniformity and consistency during the coating process are improved, product quality and reliability are improved, and paint waste and manual operation costs are reduced.
Smart Images

Figure CN222999016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating equipment, in particular to a coating equipment for PCB circuit board processing. Background Technique
[0002] The coating equipment for PCB circuit board processing refers to the equipment specially used for coating specific liquids on the surface of PCB (printed circuit board). Such equipment has a wide range of applications in the field of electronic manufacturing, mainly used for coating protective agents, conductive inks, insulating materials, etc., to improve the performance, stability and reliability of the circuit board, and can be flexibly adjusted and optimized according to different coating requirements. By using such equipment, the coating quality, production efficiency and product consistency can be significantly improved, and the production cost and labor input can be reduced.
[0003] At present, for the coating equipment for PCB circuit board processing, during the spraying process, the manual operation during the flipping process of the PCB circuit board will affect the spraying effect, the coating process is uneven, and the quality and reliability of the product are reduced. Content of the Utility Model
[0004] The purpose of the utility model is to provide a coating equipment for PCB circuit board processing, so as to solve the problems put forward in the above background technique that during the spraying process, the manual operation during the flipping process of the PCB circuit board will affect the spraying effect, the coating process is uneven, and the quality and reliability of the product are reduced. To achieve the above purpose, the utility model provides the following technical scheme: A coating equipment for PCB circuit board processing, including a machine body, fixed components are arranged on both sides of the inner wall of the machine body, the fixed components include protection boxes, the protection boxes are movably connected to both sides of the inner wall of the machine body, an electric push rod is arranged in the inner cavity of the protection box, a push rod is fixedly connected to one side of the electric push rod, a motor is fixedly connected to the side of the push rod away from the electric push rod, a threaded rod is fixedly connected to the transmission end of the motor away from the push rod, a transmission part is fixedly connected to the side of the threaded rod away from the motor, a first spring is fixedly connected to the side of the transmission part away from the threaded rod, a clamping plate is fixedly connected to the side of the first spring away from the transmission part, a limiting groove is opened on the side of the clamping plate away from the first spring, and a protective pad is fixedly connected to the inside of the limiting groove. By rotating the circuit board, the coating material can be more evenly distributed on the surface of the circuit board, improving the coating uniformity and consistency during the coating process, thereby improving the quality and reliability of the product. Since the coating process is more uniform and efficient, the waste of coating and the cost of manual operation can be reduced.
[0005] Further preferably, a PCB board is movably connected to the left side of the protective pad. The PCB board is clamped inside the limiting groove, and a protective pad is added to the inner side of the clamping plate, reducing the extrusion generated during the clamping of the PCB board and avoiding damage to the PCB board during clamping.
[0006] Further preferably, a disassembly component is provided at the bottom of the protection box. The disassembly component includes a slot, which is opened at the bottom of the protection box. A fixing piece is movably connected inside the slot. A second spring is fixedly connected to the bottom of the fixing piece. A push plate is fixedly connected to one side of the fixing piece. A rotating shaft is rotatably connected to the middle of the push plate. The rotating shaft is fixedly connected to both sides of the inner wall of the machine body. During the use of the liquid coating device, parts such as the clamping plate are prone to accumulating paint, dust and other contaminants. The detachable structure design enables these parts to be easily removed, facilitating thorough cleaning and maintenance, thereby ensuring the normal operation of the device and the stability of the coating quality.
[0007] Further preferably, a spray gun is fixedly connected to the top of the inner cavity of the machine body. Drying devices are fixedly connected to both sides of the spray gun. A hot air pipe is fixedly connected and communicated to the bottom of the drying device. LED lights are fixedly connected to both sides of the drying device.
[0008] Further preferably, a bottom plate is fixedly connected to the middle of the inner cavity of the machine body. A collecting dish is movably connected to the top of the bottom plate. A protective door is rotatably connected to the front of the machine body. The collecting dish below can collect the excessive sprayed paint, facilitating cleaning by the staff.
[0009] Further preferably, a storage tank is provided at the bottom of the inner cavity of the machine body. A liquid pump is fixedly connected to the right side of the storage tank. A through pipe is fixedly connected and communicated to the side of the liquid pump away from the storage tank. A machine door is rotatably connected to the lower side of the protective door.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] In the present utility model, by rotating the circuit board, the coating material can be more evenly distributed on the surface of the circuit board, improving the coating uniformity and consistency during the coating process, thereby enhancing the quality and reliability of the product. Since the coating process is more uniform and efficient, paint waste and the cost of manual operation can be reduced.
[0012] In the present utility model, during the use of the liquid coating device, parts such as the clamping plate are prone to accumulating paint, dust and other contaminants. The detachable structure design enables these parts to be easily removed, facilitating thorough cleaning and maintenance, thereby ensuring the normal operation of the device and the stability of the coating quality.
[0013] In this utility model, a protective pad is added to the inner side of the clamping plate, which reduces the extrusion generated during the clamping process of the PCB board and avoids damage to the PCB board during the clamping process. The collecting dish below can collect the excessive sprayed coating, facilitating the cleaning by the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0015] Figure 2 is a cross-sectional structural schematic diagram of the present utility model;
[0016] Figure 3 is a three-dimensional structural schematic diagram of the enlarged partial details of the present utility model;
[0017] Figure 4 is a schematic diagram of the partial cross-sectional structure of the present utility model Figure 1 ;
[0018] Figure 5 is a schematic diagram of the partial cross-sectional structure of the present utility model Figure 2 .
[0019] In the figure: 1, body; 2, fixing component; 201, protection box; 202, electric push rod; 203, push rod; 204, motor; 205, threaded rod; 206, transmission part; 207, first spring; 208, clamping plate; 209, limiting groove; 210, protective pad; 3, PCB board; 4, disassembly component; 401, slot; 402, fixing piece; 403, second spring; 404, push plate; 405, rotating shaft; 5, spray gun; 6, dryer; 601, hot air duct; 7, LED lamp; 8, bottom plate; 9, collecting dish; 10, protective door; 11, storage tank; 111, liquid pump; 112, connecting pipe; 12, machine door. SPECIFIC EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technical staff in the art without creative efforts belong to the scope of protection of the present utility model.
[0021] Please refer to Figures 1 - 5, the present utility model provides a technical solution: a coating device for PCB circuit board processing, including a machine body 1. On both sides of the inner wall of the machine body 1, there are fixed components 2. The fixed component 2 includes a protection box 201. The protection box 201 is movably connected to both sides of the inner wall of the machine body 1. Inside the protection box 201, there is an electric push rod 202. On one side of the electric push rod 202, there is a push rod 203 fixedly connected. On the side of the push rod 203 away from the electric push rod 202, there is a motor 204 fixedly connected. On the transmission end of the motor 204 away from the push rod 203, there is a threaded rod 205 fixedly connected. On the side of the threaded rod 205 away from the motor 204, there is a transmission part 206 fixedly connected. On the side of the transmission part 206 away from the threaded rod 205, there is a first spring 207 fixedly connected. On the side of the first spring 207 away from the transmission part 206, there is a clamping plate 208 fixedly connected. On the side of the clamping plate 208 away from the first spring 207, there is a limiting groove 209 opened. Inside the limiting groove 209, there is a protective pad 210 fixedly connected. On the left side of the protective pad 210, there is a PCB board 3 movably connected. The PCB board 3 is clamped inside the limiting groove 209. Start the electric push rod 202, and the push rod 203 pushes the clamping plate 208 to move towards the inside of the machine body 1. There is a limiting groove 209 on one side of the clamping plate 208. Place the PCB board 3 in the limiting groove 209. The push rod 203 pushes the clamping plate 208 to firmly fix the PCB board 3. The protective pad 210 in the limiting groove 209 protects the edge of the PCB board 3 from being squeezed and damaged during the extrusion process. Start the motor 204 of the push rod 203, and the threaded rod 205 rotates to drive the clamping plate 208 to rotate, so that the PCB board 3 on it rotates.
[0022] In this embodiment, as Figure 1 , Figure 2 and Figure 5 shown, at the bottom of the protection box 201, there is a disassembly component 4. The disassembly component 4 includes a slot 401. The slot 401 is opened at the bottom of the protection box 201. Inside the slot 401, there is a fixing part 402 movably connected. At the bottom of the fixing part 402, there is a second spring 403 fixedly connected. On one side of the fixing part 402, there is a push plate 404 fixedly connected. In the middle of the push plate 404, there is a rotating shaft 405 rotatably connected. The rotating shaft 405 is fixedly connected to both sides of the inner wall of the machine body 1. Pull up the push plate 404. Under the rotation of the rotating shaft 405, the fixing part 402 on the other side of the push plate 404 exerts force downward, and the second spring 403 contracts, so that the fixing part 402 moves downward and leaves the slot 401, and the protection box 201 can be taken out from the inner wall of the machine body 1.
[0023] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown in the figure, a spray gun 5 is fixedly connected to the top of the inner cavity of the machine body 1. Drying devices 6 are fixedly connected to both sides of the spray gun 5. A hot air pipe 601 is fixedly connected and communicated to the bottom of the drying device 6. LED lights 7 are fixedly connected to both sides of the drying device 6. A bottom plate 8 is fixedly connected to the middle of the inner cavity of the machine body 1. A collecting dish 9 is movably connected to the top of the bottom plate 8. A protective door 10 is rotatably connected to the front of the machine body 1. The spray gun 5 evenly sprays the coating material onto the PCB board 3. The drying device 6 conveys hot air to the PCB board 3 through the hot air pipe 601 to dry it. The collecting dish 9 at the bottom can collect the sprayed coating material, and the protective door 10 can effectively protect the safety of the staff.
[0024] In this embodiment, as Figure 1 and Figure 2 shown, a storage tank 11 is arranged at the bottom of the inner cavity of the machine body 1. A liquid pump 111 is fixedly connected to the right side of the storage tank 11. A connecting pipe 112 is fixedly connected and communicated to the side of the liquid pump 111 away from the storage tank 11. A machine door 12 is rotatably connected to the lower side of the protective door 10. The storage tank 11 stores the coating material. The liquid pump 111 conveys the coating material into the connecting pipe 112, and then the connecting pipe 112 conveys it to the spray gun 5 for spraying.
[0025] The usage method and advantages of the present utility model: For the coating liquid device used for PCB circuit board processing, during use, the working process is as follows:
[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the electric push rod 202 is started, and the push rod 203 pushes the clamping plate 208 to move toward the inside of the machine body 1. There is a limiting groove 209 on one side of the clamping plate 208. The staff places the PCB board 3 in the limiting groove 209, and the push rod 203 pushes the clamping plate 208 to tightly fix the PCB board 3. The protective pad 210 in the limiting groove 209 protects the edge of the PCB board 3 from being squeezed during the backlog process. The motor 204 of the push rod 203 is started, and the threaded rod 205 rotates to drive the clamping plate 208 to rotate, so that the PCB board 3 on it rotates, so that the paint is evenly sprayed on both sides of the PCB board 3. The staff bends the push plate 404 upwards, and the shaft 405 Under the rotation, the fixing piece 402 on the other side of the push plate 404 exerts downward force, and the spring 2 403 contracts, so that the fixing piece 402 moves downward and leaves the slot 401, and the protection box 201 can be taken out from the inner wall of the body 1, and the spray gun 5 evenly sprays the coating material onto the PCB board 3, and the dryer 6 transports hot air to the PCB board 3 through the hot air pipe 601 to dry it. The collecting dish 9 at the bottom can collect the sprayed paint, and the protective door 10 can effectively protect the safety of the staff. The coating material is stored in the storage tank 11, and the coating material is transported into the through pipe 112 by the liquid pump 111, and then transported to the spray gun 5 by the through pipe 112 for spraying.
[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A coating device for PCB circuit board processing, comprising a body (1), characterized in that: A fixing assembly (2) is arranged on both sides of the inner wall of the machine body (1), and the fixing assembly (2) comprises a protection box (201), and the protection box (201) is movably connected to both sides of the inner wall of the machine body (1). An electric push rod (202) is arranged in the inner cavity of the protection box (201), and a push rod (203) is fixedly connected to one side of the electric push rod (202), and a motor (204) is fixedly connected to the side of the push rod (203) away from the electric push rod (202), and a transmission device (204) is arranged on the side of the motor (204) away from the push rod (203). The end is fixedly connected to a threaded rod (205), a side of the threaded rod (205) away from the motor (204) is fixedly connected to a transmission member (206), a side of the transmission member (206) away from the threaded rod (205) is fixedly connected to a spring 1 (207), a side of the spring 1 (207) away from the transmission member (206) is fixedly connected to a clamping plate (208), a side of the clamping plate (208) away from the spring 1 (207) is provided with a limiting groove (209), and a protective pad (210) is fixedly connected inside the limiting groove (209).
2. The coating device for PCB circuit board processing according to claim 1 is characterized in that: The left side of the protective pad (210) is movably connected to a PCB board (3), and the PCB board (3) is clamped inside the limiting groove (209).
3. The coating device for PCB circuit board processing according to claim 1 is characterized in that: A disassembly assembly (4) is provided at the bottom of the protection box (201), and the disassembly assembly (4) comprises a slot (401), the slot (401) is opened at the bottom of the protection box (201), a fixing member (402) is movably connected inside the slot (401), a spring 2 (403) is fixedly connected to the bottom of the fixing member (402), a push plate (404) is fixedly connected to one side of the fixing member (402), a rotating shaft (405) is rotatably connected to the middle of the pushing plate (404), and the rotating shaft (405) is fixedly connected to two sides of the inner wall of the machine body (1).
4. The coating device for PCB circuit board processing according to claim 1 is characterized in that: A spray gun (5) is fixedly connected to the top of the inner cavity of the machine body (1), a dryer (6) is fixedly connected to both sides of the spray gun (5), a hot air pipe (601) is fixedly connected to the bottom of the dryer (6), and LED lights (7) are fixedly connected to both sides of the dryer (6).
5. The coating device for PCB circuit board processing according to claim 1 is characterized in that: A bottom plate (8) is fixedly connected to the middle of the inner cavity of the machine body (1), a collecting dish (9) is movably connected to the top of the bottom plate (8), and a protective door (10) is rotatably connected to the front of the machine body (1).
6. The coating device for PCB circuit board processing according to claim 5 is characterized in that: A material storage tank (11) is provided at the bottom of the inner cavity of the machine body (1), a liquid pump (111) is fixedly connected to the right side of the material storage tank (11), a through pipe (112) is fixedly connected to the side of the liquid pump (111) away from the material storage tank (11), and the lower side of the protective door (10) is rotatably connected to the machine door (12).