Circuit board solder mask developing device
By combining the design of support platform, slide, servo motor and developing mechanism, the circuit board is automatically flipped and uniformly developed, which solves the problems of difficult maintenance and low development uniformity of existing equipment, and improves the processing quality and efficiency of circuit boards.
Patent Information
- Application Number
- CN202423207400.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing circuit board solder resist developing devices are complex in structure, difficult to maintain, and have low developing uniformity, which affects product quality and work efficiency.
The design incorporates a combination of components such as a support platform, chute, processing table, servo motor, roller, and developing mechanism to achieve automated flipping and uniform developing of circuit boards. The use of a material tank, material pump, spray head, and heater ensures uniform spraying and temperature control of the developing solution.
It improves the uniformity and efficiency of development, reduces the difficulty of operation, meets the quality and speed requirements of development, and improves the finished product quality of circuit boards.
Smart Images

Figure CN223666560U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board technology, and in particular to a circuit board solder resist developing device. Background Technology
[0002] In the field of electronic circuit manufacturing, circuit boards are key basic components that carry various electronic components and achieve electrical connections. Solder resist development is an important process in circuit board manufacturing. The solder resist layer mainly plays a role in protecting the circuit board circuits, preventing short circuits, and providing precise positioning for subsequent soldering. The solder resist development device is specifically used to remove the uncured solder resist ink from circuit boards that have been coated with solder resist ink and exposed. This process uses a developing solution to precisely form a predetermined solder resist pattern on the circuit board, ensuring the reliability and stability of the circuit board in subsequent processing and use. It is an indispensable part of the entire circuit board production process and directly affects the quality and performance of the circuit board.
[0003] A search revealed Chinese Patent Publication No. CN222050712U, which discloses a circuit board solder resist developing device, relating to the field of circuit board processing technology. The device includes a transmission unit, a frame unit, and a PLC controller, as well as an infrared start / stop unit and a spray developing unit. The infrared start / stop unit includes a rotating mounting base fixedly connected to one inner wall of the frame unit, and an infrared sensor for infrared start / stop installed on the other inner wall of the frame unit. The spray developing unit includes a liquid storage cylinder fixedly connected to the center of the top of the frame unit, and a U-shaped tube installed inside the frame unit for conveying the developing solution. This utility model is a circuit board solder resist developing device. It can realize the functions of automatic start and stop and developing spray based on the sensing principle of infrared sensor. It does not require manual operation, saving time and effort and facilitating the developing work. Through the setting of cross tube and spiral tube, the developing solution can be evenly distributed on the surface of the circuit board, which can improve the developing efficiency and quality of the circuit board. However, the above structure does not take into account the high cost caused by the complex structure, the difficulty of operation, the difficulty of repair when damaged, resulting in downtime and reduced work efficiency. In addition, the uniformity of development is low, resulting in poor effect and difficulty in meeting the use requirements. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a circuit board solder resist developing device, which aims to improve the problems of complex structure leading to difficult maintenance, reduced work efficiency, poor uniformity, and impact on product quality in the prior art.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a circuit board solder resist developing device, comprising a support platform, multiple sliding grooves on the left and right sides of the top of the support platform, a processing table slidably connected to the inner wall of the sliding grooves, a processing box fixedly connected to the top of the processing table, push blocks fixedly connected to the top of the front and rear sides of the inner wall of the processing box, multiple rollers rotatably connected to the bottom of the left and right sides of the inner wall of the processing box, a fixing plate fixedly connected to the rear left side of the processing table, a servo motor fixedly connected to the top right side of the fixing plate, a drive gear fixedly connected to the output end of the servo motor, a driven gear meshing with the front side of the outer wall of the drive gear, a processing shell fixedly connected to the rear top of the support platform, a telescopic rod fixedly connected to the bottom of the rear inner wall of the processing shell, and a developing mechanism provided on the top of the processing shell. The developing mechanism is used to ensure uniform spraying and improve efficiency.
[0006] Through the above technical solution: the support platform is the basic structure of the entire device, with strong stability and functionality. These grooves allow the processing table to slide flexibly. The processing table is an important working platform, with a processing box fixedly connected to its top, which is used to hold and process materials. These push blocks help push materials back and forth in the processing box. The rollers can tumble the circuit boards, improving the overall processing efficiency. The fixing plates not only provide support but also provide the necessary stability for the movement of the device. The servo motor is the power source of the structure. The driven gear is meshed with the outer front wall of the drive gear. This combination ensures the accuracy and reliability of the transmission. The processing shell not only protects the internal mechanical parts but also has a telescopic rod fixedly connected to the bottom rear side of its inner wall. The design of the telescopic rod allows the device to perform processing operations conveniently. The developing mechanism is used to ensure uniform spraying and improve efficiency, ensuring the quality of the final product.
[0007] As a further description of the above technical solution:
[0008] The developing mechanism includes a material tank, the bottom of which is fixedly connected to the top of the processing housing. A material pump is installed at the bottom of the inner wall of the material tank, and a filter sleeve is fixedly connected to the outer wall of the material pump. A material pipe is fixedly connected to the bottom of the material pump, and a spray head is fixedly connected to the bottom of the material pipe. Multiple connecting columns are fixedly connected to the front and rear sides of the top of the inner wall of the processing housing, and a heater is fixedly connected to the bottom of each connecting column.
[0009] The above technical solution involves: a material tank for storing and supplying the developer required for processing; a material pump for delivering the developer to the desired location; a filter sleeve fixedly connected to the outer wall of the pump to ensure the purity of the developer, effectively filtering out impurities; a material pipe for transporting the developer; and a spray head for evenly spraying the developer onto the material to be processed. To ensure temperature control during the development process, a heater is fixedly connected to the bottom of the connecting column, providing stable heat to ensure the developer operates at a suitable temperature, thereby improving the development effect and efficiency.
[0010] As a further description of the above technical solution:
[0011] Multiple support blocks are fixedly connected to the front and rear sides of the bottom of the support platform, and support feet are threaded to the bottom of the support blocks.
[0012] The above technical solution involves fixing multiple support blocks to the front and rear sides of the bottom of the support platform. The bottom of these support blocks is connected to support feet via threads to ensure the stability and sturdiness of the support platform.
[0013] As a further description of the above technical solution:
[0014] The front left and right sides of the processing shell are equipped with closed doors, and multiple hinges are fixedly connected to the rear right side of the left closed door.
[0015] Through the above technical solutions, these enclosed doors protect the internal structure and prevent the intrusion of dust and debris. These hinges allow the enclosed doors to be opened and closed flexibly, facilitating daily maintenance and inspection by operators.
[0016] As a further description of the above technical solution:
[0017] A handle is fixedly connected to the rear left side of the closed door on the left side, and a rubber sleeve is fixedly connected to the outer wall of the handle.
[0018] Through the above technical solution, the handle allows users to easily open and close closed doors when needed. To improve the feel and anti-slip effect, a rubber sleeve is also fixedly connected to the outer wall of the handle, which increases the comfort of use and further enhances the durability of the handle.
[0019] As a further description of the above technical solution:
[0020] A controller is fixedly connected to the top front side of the support platform, and the controller is electrically connected to the servo motor and the material pump.
[0021] Through the above technical solution, the controller is a component that is electrically connected to the servo motor and the material pump, ensuring the coordinated operation of the entire structure.
[0022] As a further description of the above technical solution:
[0023] The top of the material bucket is fixedly connected to a bucket lid, and the front end of the telescopic rod is fixedly connected to the rear end of the processing table.
[0024] The above technical solution ensures the sealing of the material bucket and facilitates the management of the internal materials. The front end of the telescopic rod is fixedly connected to the rear end of the processing table, which enhances the stability of the entire equipment.
[0025] As a further description of the above technical solution:
[0026] The top right side of the barrel lid is fixedly connected to a feeding channel, and a sealing cap is provided at the top of the feeding channel.
[0027] The above technical solution involves a sealing cover installed in the feeding channel. This design ensures smooth material entry while preventing the mixing of external impurities, thus guaranteeing the cleanliness of the processing process and the purity of the materials.
[0028] This utility model has the following beneficial effects:
[0029] 1. In this utility model, a slide groove is provided on the support platform so that the processing table can slide in the slide groove. A processing box is fixed on the processing table for placing undeveloped circuit boards. By controlling the telescopic rod to retract, the circuit board is sent into the processing shell. The processing box contains multiple rollers, which are driven by gears. The circuit board can be flipped by simply starting the servo motor. The push block assists in flipping. This structure improves the uniformity of development and the processing quality, realizes automated operation, and meets the development requirements.
[0030] 2. In this utility model, the material tank is placed on top of the processing shell to provide the developing solution. The material tank is equipped with a material pump and a filter sleeve to prevent clogging. After the material pump is started, the developing solution is transported to the spray head through the material pipe and atomized and sprayed out, which facilitates the development of complex parts. The shell is equipped with a connecting column to install a heater to regulate the temperature, ensure the developing effect, improve the speed, reduce the operation time, and meet the usage requirements. Attached Figure Description
[0031] Figure 1 A front perspective view of the processing housing of a circuit board solder resist developing device proposed in this utility model;
[0032] Figure 2 This is a partial structural exploded view of a support platform for a circuit board solder resist developing device proposed in this utility model.
[0033] Figure 3 This is a partial structural diagram of a roller in a circuit board solder resist developing device according to the present invention.
[0034] Figure 4 This is a partial structural diagram of a material pump for a circuit board solder resist developing device proposed in this utility model.
[0035] Figure 5 This is a partial structural diagram of the closed door of a circuit board solder resist developing device proposed in this utility model.
[0036] Legend:
[0037] 1. Support platform; 2. Developing mechanism; 201. Material tank; 202. Material pump; 203. Filter sleeve; 204. Material pipe; 205. Spray head; 206. Connecting column; 207. Heater; 3. Slide rail; 4. Processing table; 5. Processing box; 6. Push block; 7. Roller; 8. Fixing plate; 9. Servo motor; 10. Drive gear; 11. Driven gear; 12. Processing housing; 13. Telescopic rod; 14. Support block; 15. Support foot; 16. Sealing door; 17. Hinge; 18. Handle; 19. Rubber sleeve; 20. Controller; 21. Tank lid; 22. Feed channel; 23. Sealing cover. Detailed Implementation
[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0039] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3 An embodiment of this utility model provides a circuit board solder resist developing device, including a support platform 1. Multiple sliding grooves 3 are provided on the left and right sides of the top of the support platform 1. A processing table 4 is slidably connected to the inner wall of the sliding grooves 3. A processing box 5 is fixedly connected to the top of the processing table 4. Push blocks 6 are fixedly connected to the top of the front and rear sides of the inner wall of the processing box 5. Multiple rollers 7 are rotatably connected to the bottom of the left and right sides of the inner wall of the processing box 5. A fixing plate 8 is fixedly connected to the rear left side of the processing table 4. A servo motor 9 is fixedly connected to the top right side of the fixing plate 8. A drive gear 10 is fixedly connected to the output end of the servo motor 9. A driven gear 11 is meshed with the front side of the outer wall of the drive gear 10. A processing shell 12 is fixedly connected to the rear top of the support platform 1. A telescopic rod 13 is fixedly connected to the bottom of the rear inner wall of the processing shell 12. A developing mechanism 2 is provided on the top of the processing shell 12. The developing mechanism 2 is used to ensure uniform spraying and improve efficiency.
[0040] Specifically, the support platform 1 is the basic structure of the entire device, with strong stability and functionality. The slides 3 allow the processing table 4 to slide flexibly. The processing table 4 is an important working platform, with a processing box 5 fixedly connected to its top, which is used to hold and process materials. The push blocks 6 help push materials back within the processing box 5. The rollers 7 can tumble the circuit boards, improving the overall processing efficiency. The fixing plates 8 not only provide support but also provide the necessary stability for the movement of the device. The servo motor 9 is the power source of the structure. The driven gear 11 is meshed with the outer front wall of the drive gear 10. This combination ensures the accuracy and reliability of the transmission. The processing shell 12 not only protects the internal mechanical parts but also has a telescopic rod 13 fixedly connected to the bottom of its inner rear wall. The design of the telescopic rod 13 allows the device to perform processing operations conveniently. The developing mechanism 2 is used to ensure uniform spraying and improve efficiency, ensuring the quality of the final product.
[0041] Please see the appendix Figure 1 and attached Figure 4 The developing mechanism 2 includes a material tank 201. The bottom of the material tank 201 is fixedly connected to the top of the processing housing 12. A material pump 202 is provided at the bottom of the inner wall of the material tank 201. A filter sleeve 203 is fixedly connected to the outer wall of the material pump 202. A material pipe 204 is fixedly connected to the bottom of the material pump 202. A spray head 205 is fixedly connected to the bottom of the material pipe 204. Multiple connecting posts 206 are fixedly connected to the front and rear sides of the top of the inner wall of the processing housing 12. A heater 207 is fixedly connected to the bottom of the connecting posts 206.
[0042] Specifically, the material tank 201 is used to store and supply the developer required for processing. The material pump 202 is responsible for delivering the developer to the required location. To ensure the purity of the developer, a filter sleeve 203 is fixedly connected to the outer wall of the material pump 202, which can effectively filter out impurities in the developer. The material pipe 204 is used to transport the developer. The function of the spray head 205 is to evenly spray the developer onto the material to be processed. To ensure temperature control during the development process, a heater 207 is fixedly connected to the bottom of the connecting column 206. The heater 207 can provide stable heat to ensure that the developer works at a suitable temperature, thereby improving the development effect and efficiency.
[0043] Please see the appendix Figure 1 and attached Figure 5 Multiple support blocks 14 are fixedly connected to the bottom front and rear sides of the support platform 1. Support feet 15 are threadedly connected to the bottom of the support blocks 14. Closed doors 16 are provided on the front left and right sides of the processing shell 12. Multiple hinges 17 are fixedly connected to the rear right side of the left closed door 16. A handle 18 is fixedly connected to the rear left side of the left closed door 16. A rubber sleeve 19 is fixedly connected to the outer wall of the handle 18.
[0044] Specifically, multiple support blocks 14 are fixedly connected to the bottom front and rear sides of the support platform 1. The bottom of these support blocks 14 is connected to support feet 15 by threads to ensure the stability and sturdiness of the support platform 1. On the left and right sides of the front end of the processing shell 12, there are closed doors 16. These closed doors 16 protect the internal structure and prevent the intrusion of dust and debris. These hinges 17 allow the closed doors 16 to be opened and closed flexibly, which is convenient for operators to perform daily maintenance and inspection. A handle 18 is fixedly connected to the rear left side of the left closed door 16. The handle 18 makes it easy for users to open and close the closed door 16 when needed. In order to improve the feel and anti-slip effect, a rubber sleeve 19 is also fixedly connected to the outer wall of the handle 18, which increases the comfort of use and further enhances the durability of the handle 18.
[0045] Please see the appendix Figure 1 A controller 20 is fixedly connected to the top front side of the support platform 1. The controller 20 is electrically connected to the servo motor 9 and the material pump 202. A bucket cover 21 is fixedly connected to the top of the material bucket 201. The front end of the telescopic rod 13 is fixedly connected to the rear end of the processing table 4. A feeding channel 22 is fixedly connected to the top right side of the bucket cover 21. A sealing cover 23 is provided on the top of the feeding channel 22.
[0046] Specifically, the support platform 1 is fixedly connected to a controller 20, which is an electrical component connected to the servo motor 9 and the material pump 202, ensuring the coordinated operation of the entire structure. The top of the material bucket 201 is fixedly connected to a bucket lid 21. This design not only ensures the sealing of the material bucket 201, but also facilitates the management of the internal materials. The front end of the telescopic rod 13 is fixedly connected to the rear end of the processing table 4. This connection method enhances the stability of the entire equipment. The top right side of the bucket lid 21 is fixedly connected to a feeding channel 22. The top of the feeding channel 22 is equipped with a sealing cover 23. This design ensures the smooth entry of materials and prevents the mixing of external impurities, ensuring the cleanliness of the processing process and the purity of the materials.
[0047] Working principle: By opening a slide groove 3 on the support platform 1, the processing table 4 can slide on the inner wall of the slide groove 3. The processing box 5 is fixedly connected to the processing table 4. The undeveloped circuit board is placed into the processing box 5, and the telescopic rod 13 is controlled to retract and send it into the processing shell 12. Since multiple rollers 7 are set in the processing box 5, and the rollers 7 are driven by the meshing of the drive gear 10 and the driven gear 11, it is only necessary to start the servo motor 9 fixedly connected to the drive gear 10 at the output end to flip the circuit board. The push block 6 assists in the flipping process and pushes the circuit board back. This structure can flip the circuit board during the processing, thereby improving the uniformity of development, improving the quality of processing, and automating the operation, improving the finished product quality, and meeting the development requirements.
[0048] By placing the material tank 201 on top of the processing housing 12, it is used to store and provide the developing solution required for the processing. Since the material tank 201 is equipped with a material pump 202, and the outer wall of the material pump 202 is equipped with a filter sleeve 203 to prevent debris from clogging and damaging the structure, when the material pump 202 is started, the developing solution can be delivered through the material pipe 204 to the spray head 205 for atomization and spraying, which facilitates the developing operation of small parts and dead corners. In addition, a connecting column 206 is provided on the processing housing 12, and a heater 207 is installed through the connecting column 206 to regulate the temperature and ensure the best developing conditions. This structure can improve the developing effect, speed up the developing speed, shorten the time of a single operation, and meet the usage requirements.
[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A circuit board solder mask developing apparatus comprising a support table (1), characterized in that: The top left and right sides of the support table (1) are provided with a plurality of sliding grooves (3), the inner wall of the sliding groove (3) is slidably connected with a processing table (4), the top of the processing table (4) is fixedly connected with a processing box (5), the inner wall of the processing box (5) is fixedly connected with a push block (6) on the top of the front and rear sides, a plurality of rollers (7) are rotatably connected to the inner wall of the left and right sides of the processing box (5), the left side of the rear of the processing table (4) is fixedly connected with a fixed sheet (8), the right side of the top of the fixed sheet (8) is fixedly connected with a servo motor (9), the output end of the servo motor (9) is fixedly connected with a driving gear (10), the outer wall of the front side of the driving gear (10) is meshedly connected with a driven gear (11), the top of the rear of the support table (1) is fixedly connected with a processing shell (12), the inner wall of the rear bottom of the processing shell (12) is fixedly connected with an extension rod (13), the top of the processing shell (12) is provided with a developing mechanism (2), and the developing mechanism (2) is used for ensuring uniform spraying and improving efficiency.
2. A circuit board solder mask developing apparatus according to claim 1, characterized by: The developing mechanism (2) comprises a material bucket (201), the bottom of the material bucket (201) is fixedly connected with the top of the processing shell (12), the inner wall of the bottom of the material bucket (201) is provided with a material pump (202), the outer wall of the material pump (202) is fixedly connected with a filter sleeve (203), the bottom of the material pump (202) is fixedly connected with a material pipe (204), the bottom of the material pipe (204) is fixedly connected with a spray head (205), the inner wall of the top of the processing shell (12) is fixedly connected with a plurality of connecting columns (206) on the front and rear sides, and the bottom of the connecting column (206) is fixedly connected with a heater (207).
3. A circuit board solder mask developing apparatus according to claim 1, wherein: The bottom of the support table (1) is fixedly connected with a plurality of support blocks (14) on the front and rear sides, and the bottom of the support block (14) is threadedly connected with a support foot (15).
4. The circuit board solder mask developing apparatus of claim 1, wherein: The front end of the processing shell (12) is provided with a closed door (16) on the left and right sides, and the rear right side of the left closed door (16) is fixedly connected with a plurality of hinges (17).
5. A circuit board solder mask developing apparatus according to claim 4, wherein: The rear left side of the left closed door (16) is fixedly connected with a handle (18), and the outer wall of the handle (18) is fixedly connected with a rubber sleeve (19).
6. A circuit board solder mask developing apparatus according to claim 2, wherein: The top of the support table (1) is fixedly connected with a controller (20) on the front side, and the controller (20) is electrically connected with the servo motor (9) and the material pump (202).
7. A circuit board solder mask developing apparatus according to claim 2, wherein: The top of the material bucket (201) is fixedly connected with a bucket cover (21), and the front end of the extension rod (13) is fixedly connected with the rear end of the processing table (4).
8. A circuit board solder mask developing apparatus according to claim 7, wherein: The top right side of the bucket cover (21) is fixedly connected with an inlet channel (22), and the top of the inlet channel (22) is provided with a sealing cover (23).