Printed circuit board etching solution preparation device
By designing a collection and movement mechanism and utilizing a servo motor to drive the vertical rod and gear system, the problems of etching solution dripping and dust ingress were solved, achieving efficient recycling and clean preparation of the etching solution.
Patent Information
- Application Number
- CN202423233685.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing printed circuit board etching solution preparation devices, etching solution residues easily drip from the filter end cap onto the ground, making them difficult to clean. Furthermore, external dust can easily enter the preparation tank, affecting the quality of the work.
Design a printed circuit board etching solution preparation device including a collection mechanism and a moving mechanism. Utilize a servo motor to drive a vertical rod and a gear system to recover residual etching solution and block the feed inlet to prevent dripping and dust from entering.
It effectively recovers etching solution residue, prevents dripping and contamination of the ground, improves cleaning convenience, and prevents dust from entering, thus enhancing work quality.
Smart Images

Figure CN223716901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printed circuit board etching liquid preparation technical field, concretely to a kind of printed circuit board etching liquid preparation device. BACKGROUND
[0002] Printed circuit board etching liquid is a kind of chemical solution for removing unnecessary copper layer in PCB manufacturing process, so as to form circuit pattern.
[0003] For example, a kind of printed circuit board etching liquid preparation device with the authorized announcement number "CN222093041U", can realize the stirring of raw materials in different directions, accelerate the configuration efficiency of etching liquid, can better satisfy the use demand.But the printed circuit board etching liquid preparation device, after filtering printed circuit board etching liquid, residual printed circuit board etching liquid is prone to fall to the ground from the filter end cap, it is difficult to clean, thereby reducing practicality, meanwhile, the printed circuit board etching liquid, when preparing printed circuit board etching liquid, dust from outside can enter into the configuration tank through the feeding hopper and mix with printed circuit board etching liquid raw materials, thereby reducing work quality. SUMMARY
[0004] The utility model aims at solving the problem that residual printed circuit board etching liquid is prone to fall to the ground from the filter end cap after filtering printed circuit board etching liquid, it is difficult to clean, thereby reducing practicality and the problem that dust from outside can enter into the configuration tank through the feeding hopper and mix with printed circuit board etching liquid raw materials when preparing printed circuit board etching liquid, thereby reducing work quality, and proposes a kind of printed circuit board etching liquid preparation device.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] Design a kind of printed circuit board etching liquid preparation device, including box and lid, the upper end of the box is connected by bolt and lid with the thread, the left lower side of the box is equipped with collection mechanism, the upper left side of the lid is equipped with moving mechanism, the left side of the lid is equipped with feed inlet, the lower end of the box is equipped with discharge port, the inner wall of discharge port is equipped with electromagnetic valve, the inner wall of the lid is fixedly connected with first servo motor by support.
[0007] Preferably, the collection mechanism includes a first housing, the right end of the first housing is fixedly connected with the box, the outer wall of the first housing is fixedly connected with the second servo motor by support, the output shaft of the second servo motor is connected with the rotating shaft of the vertical rod through the reduction box, the inner wall of the vertical rod is rotatably connected with the first housing through the rotating shaft, the right end of the vertical rod is attached to the frame, the inner walls on both sides of the frame are slidably connected with the horizontal rod, and the right ends of the horizontal rods are fixedly connected with the first housing.
[0008] Preferably, the outer wall of the crossbar is provided with a spring, both ends of the spring are fixedly connected with the frame and the first shell respectively, the upper outer wall of the frame is slidably connected with the first shell, and the upper end of the right side of the frame is threadedly connected with the frame body through bolts.
[0009] Preferably, the moving mechanism comprises a second shell, the lower end of the second shell is fixedly connected with the cover body, the inner wall of the second shell is fixedly connected with the third servo motor through a support, the output shaft of the third servo motor is connected with the rotating shaft of the gear through a reduction box, the inner wall of the gear is rotatably connected with the second shell through the rotating shaft, the upper end of the gear is engaged with the rack, the outer wall of the rack is slidably connected with the second shell, and the inner wall of the rack is slidably connected with the support block.
[0010] Preferably, both ends of the support block are fixedly connected with the second shell, the right end of the rack is fixedly connected with the plate body, and the lower end of the plate body is attached to the feeding port.
[0011] Preferably, the output shaft of the first servo motor is connected with the rotating shaft of the stirring rod through a reduction box, the upper side of the stirring rod is rotatably connected with the cover body through the rotating shaft, the lower inner wall of the box body is adjacent to the conveying belt, and the upper end of the conveying belt is attached to the material collecting box.
[0012] The printing circuit board etching liquid preparation device has the advantages that: through the cooperation of the collecting mechanism and the box body, the second servo motor drives the vertical rod to rotate clockwise quickly, the vertical rod drives the frame to move to the right, the frame drives the frame body to move to the right quickly, at this time, the spring is contracted, the second servo motor is turned off when the frame body moves to the lower side of the discharge port, and the residual printing circuit board etching liquid on the inner wall of the discharge port falls into the frame body for recycling.
[0013] Through the cooperation of the moving mechanism and the cover body, the third servo motor drives the gear to rotate, the gear drives the rack to move to the right, the rack drives the plate body to move to the right, the third servo motor is turned off after the plate body moves to the upper side of the feeding port and blocks the feeding port, the plate body blocks the upper side of the feeding port through the above-mentioned mode, and dust in the outside environment is prevented from entering into the box body through the feeding port during the preparation of the printing circuit board etching liquid, so that the working quality is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a front view of the utility model; Figure 1 It is a front view of the utility model;
[0016] Figure 3 for Figure 2 the top view of the vertical rod;
[0017] Figure 4 for Figure 2 the enlarged view of A part;
[0018] Figure 5 for Figure 4 the side view of the second shell;
[0019] Figure 6 for Figure 1 the enlarged view of B part.
[0020] In the figure: 1, box, 2, collection mechanism, 201, first shell, 202, second servo motor, 203, vertical rod, 204, frame, 205, horizontal rod, 206, spring, 207, frame, 3, moving mechanism, 301, second shell, 302, third servo motor, 303, gear, 304, rack, 305, support block, 306, plate, 4, cover, 5, first servo motor, 6, stirring rod, 7, feed inlet, 8, discharge outlet, 9, conveyor belt, 10, material collecting box. DETAILED DESCRIPTION
[0021] The utility model will be further described below in combination with the drawings:
[0022] Referring to the accompanying Figures 1-6 : in this embodiment, a printed circuit board etching solution preparation device, including box 1 and cover 4, the upper end of box 1 is connected in screw thread with cover 4 through bolt, the left lower side of box 1 is installed with collection mechanism 2, the upper end left side of cover 4 is installed with moving mechanism 3, the left side of cover 4 is equipped with feed inlet 7, the lower end of box 1 is equipped with discharge outlet 8, the inner wall of discharge outlet 8 is equipped with electromagnetic valve, the inner wall of cover 4 is fixedly connected with first servo motor 5 through support, first servo motor 5 is connected in screw thread with support through bolt, when necessary, it can be taken off from the support, the model of first servo motor 5 can satisfy the work requirement according to actual demand;
[0023] the output shaft of first servo motor 5 is connected with the rotating shaft of stirring rod 6 through reduction box, first servo motor 5 drives stirring rod 6 to rotate, the upper side of stirring rod 6 is connected with cover 4 in rotation through rotating shaft, stirring rod 6 rotates in cover 4, the inner wall of the lower side of box 1 is adjacent to conveyor belt 9, the model of conveyor belt 9 can satisfy the work requirement according to actual demand, the upper end of conveyor belt 9 is attached with material collecting box 10, conveyor belt 9 drives material collecting box 10 to move.
[0024] Referring to the accompanying Figures 1-3The collecting mechanism 2 comprises a first shell 201, the right end of the first shell 201 is fixedly connected with the box body 1, the outer wall of the first shell 201 is fixedly connected with a second servo motor 202 through a support, the second servo motor 202 is threadedly connected with the support through bolts, and the second servo motor 202 can be taken off from the support when necessary; the model of the second servo motor 202 can meet the working requirement according to actual needs; the output shaft of the second servo motor 202 is connected with the rotating shaft of a vertical rod 203 through a reduction box; the second servo motor 202 drives the vertical rod 203 to rotate; the inner wall of the vertical rod 203 is rotatably connected with the first shell 201 through a rotating shaft; the vertical rod 203 rotates in the first shell 201; the right end of the vertical rod 203 is attached with a frame 204; the vertical rod 203 drives the frame 204 to move; the inner walls on the two sides of the frame 204 are slidably connected with horizontal rods 205; and the frame 204 slides on the horizontal rods 205.
[0025] The right ends of the horizontal rods 205 are fixedly connected with the first shell 201; the outer walls of the horizontal rods 205 are provided with springs 206; the elastic coefficients of the springs 206 can meet the working requirement according to actual needs; the two ends of each spring 206 are fixedly connected with the frame 204 and the first shell 201 respectively; the upper outer wall of the frame 204 is slidably connected with the first shell 201; the frame 204 slides in the first shell 201; and the upper end of the right side of the frame 204 is threadedly connected with a frame body 207 through bolts; the frame 204 drives the frame body 207 to move.
[0026] Referring to the accompanying drawings Figure 1 , Figure 2 and Figures 4-6 The moving mechanism 3 comprises a second shell 301, the lower end of the second shell 301 is fixedly connected with the cover body 4, the inner wall of the second shell 301 is fixedly connected with a third servo motor 302 through a support, the third servo motor 302 is threadedly connected with the support through bolts, and the third servo motor 302 can be taken off from the support when necessary; the model of the third servo motor 302 can meet the working requirement according to actual needs; the output shaft of the third servo motor 302 is connected with the rotating shaft of a gear 303 through a reduction box; the third servo motor 302 drives the gear 303 to rotate; the inner wall of the gear 303 is rotatably connected with the second shell 301 through a rotating shaft; the gear 303 rotates in the second shell 301; the upper end of the gear 303 is engaged with a rack 304; the gear 303 drives the rack 304 to move; the outer wall of the rack 304 is slidably connected with the second shell 301; and the rack 304 slides in the second shell 301.
[0027] The inner wall of the rack 304 is slidably connected with a support block 305; the rack 304 slides on the support block 305; the two ends of the support block 305 are fixedly connected with the second shell 301; the right end of the rack 304 is fixedly connected with a plate body 306; the rack 304 drives the plate body 306 to move; and the lower end of the plate body 306 is attached with the feeding port 7.
[0028] Working principle:
[0029] When the printed circuit board etching liquid is needed to be prepared, the printed circuit board etching liquid raw materials are introduced into the box 1 through the feed port 7 (the outer side of the inner circle of the box 1), and then the solvent required for the preparation of the printed circuit board etching liquid is introduced into the box 1 through the feed port 7 (the solvent required for the preparation of the printed circuit board etching liquid can meet the working needs according to the actual needs), after the solvent is introduced into the box 1, the external power supply of the third servo motor 302 is connected and started, the third servo motor 302 drives the gear 303 to rotate, the gear 303 drives the rack 304 to move to the right, the rack 304 drives the plate body 306 to move to the right, after the plate body 306 moves to the upper side of the feed port 7 to block it, the third servo motor 302 is closed, and the plate body 306 blocks the upper side of the feed port 7 in the above-mentioned manner, so as to prevent the dust from the outside from entering the box 1 through the feed port 7 during the preparation of the printed circuit board etching liquid, and the plate body 306 can be reversely moved by reversing the third servo motor 302 according to the above-mentioned manner;
[0030] The external power supply of the first servo motor 5 is connected and started, the first motor 5 drives the stirring rod 6 to rotate, the stirring rod 6 contacts with the solvent and the printed circuit board etching liquid raw materials in the box 1 and then stirs and mixes them, and after mixing, the printed circuit board etching liquid is formed, and then the preparation work of the printed circuit board etching liquid is completed, after the printed circuit board etching liquid is mixed and prepared, the first servo motor 5 is closed, and then the outlet 8 is opened by the electromagnetic valve, the printed circuit board etching liquid prepared in the box 1 is discharged through the outlet 8 and falls into the receiving box 10, and after the printed circuit board etching liquid in the receiving box 10 reaches the required amount, the outlet 8 is closed by the electromagnetic valve;
[0031] At this time, the external power supply of the second servo motor 202 is connected and started, the second servo motor 202 drives the vertical rod 203 to rotate clockwise quickly, the vertical rod 203 drives the frame 204 to move to the right (the outer wall of the vertical rod 203 and the outer wall of the frame 204 are relatively smooth, which can reduce the friction between them, and then prevent the damage of the vertical rod 203 and the frame 204), the frame 204 quickly drives the frame body 207 to move to the right, at this time, the spring 206 is contracted, and when the frame body 207 moves to the lower side of the outlet 8, the second servo motor 202 is closed, and the printed circuit board etching liquid remaining in the inner wall of the outlet 8 drops into the frame body 207 for recycling;
[0032] Then the outer power supply of the conveying belt 9 is turned on and started, and after the conveying belt 9 transports the next material receiving box 10 to below the discharge port 8, the conveying belt 9 is turned off, the second servo motor 202 is reversed according to the above mode, the spring 206 rebounds to drive the frame body 207 to move reversely to reset, the second servo motor 202 is turned off after the frame body 207 is reset, and then the discharge port 8 is opened again to guide the printed circuit board etching liquid into the material receiving box 10, and the printed circuit board etching liquid can be guided into the material receiving box 10 through the above mode. The frame body 207 moves to below the discharge port 8 to recover the printed circuit board etching liquid remaining on the inner wall of the discharge port 8, so as to prevent the printed circuit board etching liquid remaining on the inner wall of the discharge port 8 from dropping on the conveying belt 9 (if it is needed to recover the printed circuit board etching liquid collected in the frame body 207, only need to twist the bolt on the frame 204 to separate the end thereof from the frame body 207, so that the frame body 207 can be taken off from the frame 204), and the above mode guides the prepared printed circuit board etching liquid into the material receiving box 10 to further perform the material receiving work.
[0033] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.
Claims
1. A printed circuit board etching solution preparation device, comprising a box (1), a supporting block (305), a rack (304) and a cover (4), the upper end of the box (1) is threadedly connected with the cover (4) through bolts, characterized in that: The left lower side of the box body (1) is provided with a collecting mechanism (2), the upper left side of the cover body (4) is provided with a moving mechanism (3), the left side of the cover body (4) is provided with a feeding port (7), the lower end of the box body (1) is provided with a discharging port (8), the inner wall of the discharging port (8) is provided with a solenoid valve, the inner wall of the cover body (4) is fixedly connected with the first servo motor (5) through a support, both ends of the supporting block (305) are fixedly connected with the second shell (301), the right end of the rack (304) is fixedly connected with the plate body (306), and the lower end of the plate body (306) is attached to the feeding port (7).
2. The printed circuit board etching solution preparation apparatus according to claim 1, wherein: The collecting mechanism (2) comprises a first shell (201), the right end of the first shell (201) is fixedly connected with the box body (1), the outer wall of the first shell (201) is fixedly connected with the second servo motor (202) through a support, the output shaft of the second servo motor (202) is connected with the rotating shaft of the vertical rod (203) through a speed reducer, the inner wall of the vertical rod (203) is rotatably connected with the first shell (201) through a rotating shaft, the right end of the vertical rod (203) is attached to the frame (204), the inner walls on both sides of the frame (204) are slidably connected with the horizontal rod (205), and the right ends of the horizontal rod (205) are fixedly connected with the first shell (201).
3. The printed circuit board etching solution preparation apparatus according to claim 2, wherein: The outer wall of the horizontal rod (205) is provided with a spring (206), both ends of the spring (206) are fixedly connected with the frame (204) and the first shell (201) respectively, the upper outer wall of the frame (204) is slidably connected with the first shell (201), and the upper right side of the frame (204) is threadedly connected with the frame body (207) through bolts.
4. The printed circuit board etching solution preparation apparatus according to claim 1, wherein: The moving mechanism (3) comprises a second shell (301), the lower end of the second shell (301) is fixedly connected with the cover body (4), the inner wall of the second shell (301) is fixedly connected with the third servo motor (302) through a support, the output shaft of the third servo motor (302) is connected with the rotating shaft of the gear (303) through a speed reducer, the inner wall of the gear (303) is rotatably connected with the second shell (301) through a rotating shaft, the upper end of the gear (303) is engaged with the rack (304), the outer wall of the rack (304) is slidably connected with the second shell (301), and the inner wall of the rack (304) is slidably connected with the supporting block (305).
5. The printed circuit board etching solution preparation apparatus according to claim 1, wherein: The output shaft of the first servo motor (5) is connected with the rotating shaft of the stirring rod (6) through a speed reducer, the upper side of the stirring rod (6) is rotatably connected with the cover body (4) through a rotating shaft, the inner wall of the lower side of the box body (1) is adjacent to the conveying belt (9), and the upper end of the conveying belt (9) is attached to the material collecting box (10).
Citation Information
Patent Citations
Printed circuit board etching solution preparation device
CN222093041U