CN219322680U - Printed circuit board etching device with drying mechanism - Google Patents
Printed circuit board etching device with drying mechanism Download PDFInfo
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- CN219322680U CN219322680U CN202222899949.2U CN202222899949U CN219322680U CN 219322680 U CN219322680 U CN 219322680U CN 202222899949 U CN202222899949 U CN 202222899949U CN 219322680 U CN219322680 U CN 219322680U
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- circuit board
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- printed circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Manufacturing Of Printed Circuit Boards (AREA)
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Abstract
The utility model discloses a printed circuit board etching device with a drying mechanism, which belongs to the technical field of printed circuit boards and comprises a driving motor, wherein an output shaft of the driving motor is fixedly provided with a connecting rod.
Description
Technical Field
The utility model relates to the technical field of printed circuit boards, in particular to a printed circuit board etching device with a drying mechanism.
Background
The circuit layer on the printed circuit board substrate is obtained by etching with inorganic acid, before etching, the part which does not need etching is stuck by adhesive tape, then the circuit board is placed in a groove body filled with inorganic acid for etching, the inorganic acid corrodes copper material which is not covered by the adhesive tape, and the required circuit layer can be obtained after the adhesive tape is torn off.
After etching the circuit board by using the etching liquid, the redundant etching liquid needs to be removed so as to prevent the redundant etching liquid from corroding the circuit board, the etching liquid needs to be cleaned at the moment, and then the circuit board is dried, the traditional drying mode is to directly convey the circuit board into a drying box, but residual liquid particles on the surface of the circuit board are larger, and the residual liquid needs to be evaporated completely for a long time, so that the drying efficiency is low.
In the prior art, publication No.: the utility model of CN208549061U in China discloses a production line of printed circuit boards, which comprises a printed circuit board etching device and a printed circuit board drying device, wherein the printed circuit board etching device comprises an air compressor, a groove body, a left platform and a right platform which are respectively arranged on the left side and the right side of the groove body, bearing seats are respectively arranged at the tops of the left platform and the right platform, a rotating shaft is arranged between the two bearing seats, a bearing table is fixedly arranged on the rotating shaft, two through holes are formed in the bearing table, and spring protection sleeves are respectively inserted in the two through holes. The beneficial effects of the utility model are as follows: compact structure, high drying efficiency, high drying quality, etching cost saving, cyclic utilization of inorganic acid and simple operation.
According to the technical scheme, the printed circuit board drying device adopts the centrifugal mode to remove the etching liquid on the surface of the printed circuit board from the printed circuit board, but the etching liquid which is driven by the motor B to be centrifuged at a high speed is outwards splashed, so that the etching liquid is easily splashed onto the skin of an operator, or other mechanical parts are corroded, the safety is low, the coil is adopted to heat the cylinder body, and the printed circuit board is dried through air conduction, so that the heat conduction rate is low, and the drying efficiency is low.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a printed circuit board etching device with stoving mechanism, includes driving motor, driving motor's output shaft is fixed with the connecting rod, the bottom of connecting rod is fixed with the carousel, the bottom of going up the carousel is fixed with the lead screw, the surface cover of lead screw is equipped with down the carousel, it all is fixed with first fixed frame all around to go up the carousel bottom, the inner chamber joint of the fixed frame of first fixed frame and second has the circuit board body that has the etching solution down, the surface threaded connection of lead screw has the nut, the both sides of connecting rod all are provided with the heating cabinet, the bottom of heating cabinet is fixed with the protection casing, the inner chamber of heating cabinet is provided with the heater strip, the through-hole has been seted up at the top of protection casing, the top and the heating cabinet intercommunication of through-hole, the both sides intercommunication of heating cabinet has the breather pipe.
Preferably, a through hole is formed in one side of the first fixed frame and one side of the second fixed frame, a sliding rod is slidably connected to the inner cavity of the through hole, one side of the sliding rod penetrates through the inner cavities of the first fixed frame and the second fixed frame respectively and is fixed with a clamping block, a spring is sleeved on the surface of the sliding rod, and the spring is located between the first fixed frame and the second fixed frame and the clamping block.
Preferably, the inner cavities of the first fixing frame and the second fixing frame are provided with sliding grooves, the inner cavities of the sliding grooves are connected with sliding blocks in a sliding mode, and one sides of the sliding blocks opposite to each other penetrate through the sliding grooves and are fixed on the surfaces of the clamping blocks.
Preferably, the bottom of the inner cavity of the second fixed frame is provided with a diversion trench, and one side, away from the screw rod, of the diversion trench penetrates to the outer side of the second fixed frame.
Preferably, the top of the upper rotary table is provided with a wind dispersing hole, and the aperture of the wind dispersing hole is gradually increased from inside to outside along the radius of the upper rotary table.
Preferably, the heating cabinet comprises a left side box body and a right side box body, the protection cover comprises a left side cover body and a right side cover body, the left side box body is connected with the left side cover body, the right side box body is connected with the right side cover body, the bottom of the protection cover is in a funnel-shaped arrangement, and the bottoms of the left side cover body and the right side cover body are hinged through hinges.
Preferably, a positioning column is fixed on one side of the left cover body and the right cover body, and a positioning groove capable of being clamped with the positioning column is formed on one side of the left cover body and the right cover body.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the protective cover is arranged on the outer sides of the upper rotary table and the lower rotary table, so that the centrifugally and outwards splashed etching liquid is blocked, the etching liquid is prevented from being led out to splash, meanwhile, the etching liquid flows downwards along the inner cavity of the protective cover, is converged at the bottom of the inner cavity of the protective cover, is convenient to uniformly recycle, meanwhile, the heating wire is used for heating the air led into the heating box through the ventilating pipe, the temperature of the air is quickly increased, the circuit board body is baked by using the hot air, the residual liquid on the surface of the circuit board body is quickly volatilized, the circuit board body is kept dry, meanwhile, the diversion groove is used for diversion of the etching liquid gathered in the second fixed frame, the etching liquid is thrown out of the second fixed frame by using the rotation of the driving motor, and the drying rate of the circuit board body is accelerated.
2. According to the utility model, hot air blown in from the upper part can uniformly enter the bottom of the lower rotary table through the air dispersing holes, so that the circuit board body is uniformly heated, and meanwhile, the structures of the heating box and the protective cover are arranged, so that the device is conveniently separated from etching liquid and then installed, and the time is saved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic cross-sectional perspective view of a second fixing frame according to the present utility model;
fig. 4 is an exploded perspective view of the heating cabinet and the protective cover of the present utility model.
Reference numerals in the drawings: 1. a driving motor; 2. a connecting rod; 3. an upper turntable; 4. a screw rod; 5. a lower turntable; 6. a first fixing frame; 7. a second fixing frame; 8. a circuit board body; 9. a nut; 10. a heating box; 101. a left side case; 102. a right side case; 11. a protective cover; 111. a left cover; 112. a right side cover; 12. a heating wire; 13. a through hole; 14. a vent pipe; 15. a slide bar; 16. a clamping block; 17. a spring; 18. a chute; 19. a slide block; 20. a diversion trench; 21. a wind-dispersing hole; 22. positioning columns; 23. and a positioning groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a printed circuit board etching device with a drying mechanism as shown in figures 1-4, which comprises a driving motor 1, wherein a connecting rod 2 is fixed on an output shaft of the driving motor 1, an upper rotary table 3 is fixed at the bottom of the connecting rod 2, a screw rod 4 is fixed at the bottom of the upper rotary table 3, a lower rotary table 5 is sleeved on the surface of the screw rod 4, a first fixing frame 6 is fixed on the periphery of the bottom of the upper rotary table 3, a second fixing frame 7 is fixed on the periphery of the top of the lower rotary table 5, circuit board bodies 8 with etching liquid are clamped in inner cavities of the first fixing frame 6 and the second fixing frame 7, nuts 9 are connected on the surface of the screw rod 4 in a threaded manner, heating boxes 10 are arranged on two sides of the connecting rod 2, a protective cover 11 is fixed at the bottom of the heating boxes 10, heating wires 12 are arranged in the inner cavities of the heating boxes 10, the top of the protective cover 11 is provided with a through hole 13, the top of the through hole 13 is communicated with the heating box 10, two sides of the heating box 10 are communicated with vent pipes 14, the protective cover 11 is arranged on the outer sides of the upper rotary table 3 and the lower rotary table 5 to block the centrifugally outwards splashed etching liquid, so that the etching liquid is prevented from splashing everywhere, meanwhile, the etching liquid flows downwards along the inner cavity of the protective cover 11, is converged at the bottom of the inner cavity of the protective cover 11, is convenient to uniformly recycle, meanwhile, the heating wire 12 is utilized to heat the air led into the heating box 10 through the vent pipes 14, the temperature of the air is quickly increased, the circuit board body 8 is baked by utilizing the hot air, the residual liquid on the surface of the circuit board body 8 is quickly volatilized, the circuit board body 8 is kept dry, meanwhile, the etching liquid gathered in the second fixed frame 7 can be guided by utilizing the guide groove 20, and the driving motor 1 is rotated, and the etching liquid is thrown out of the second fixing frame 7, so that the drying speed of the circuit board body 8 is accelerated.
The through holes are formed in one sides of the first fixing frame 6 and the second fixing frame 7, the inner cavities of the through holes are slidably connected with the sliding rods 15, one sides of the sliding rods 15 penetrate through the inner cavities of the first fixing frame 6 and the second fixing frame 7 respectively and are fixedly provided with the clamping blocks 16, springs 17 are sleeved on the surfaces of the sliding rods 15, the springs 17 are located between the first fixing frame 6 and the second fixing frame 7 and the clamping blocks 16, the clamping blocks 16 are driven to move in the inner cavities of the first fixing frame 6 and the second fixing frame 7 through the springs 17, clamping limiting can be conducted on the circuit board body 8, and the circuit board body 8 is prevented from shaking between the upper rotary disc 3 and the lower rotary disc 5.
The inner cavities of the first fixed frame 6 and the second fixed frame 7 are provided with sliding grooves 18, the inner cavities of the sliding grooves 18 are slidably connected with sliding blocks 19, one sides of the sliding blocks 19 opposite to each other penetrate through the sliding grooves 18 and are fixed on the surfaces of the clamping blocks 16, the sliding blocks 19 slide in the inner cavities of the sliding grooves 18, the stability of the clamping blocks 16 can be kept, so that the clamping blocks 16 are prevented from falling off from the inner cavities of the first fixed frame 6, and meanwhile, the auxiliary clamping blocks 16 move.
The guiding gutter 20 has been seted up to the bottom of the fixed frame 7 inner chamber of second, one side that the guiding gutter 20 kept away from lead screw 4 runs through to the outside of the fixed frame 7 of second, utilizes guiding gutter 20 can carry out the water conservancy diversion with the etching solution of the interior gathering of the fixed frame 7 of second, utilizes driving motor 1's rotation, throws out the etching solution and fixes frame 7 of second for the stoving rate of circuit board body 8.
The top of going up carousel 3 has seted up the louvre 21, the aperture of louvre 21 increases gradually from interior to outside along the radius of going up carousel 3, makes the bottom that the hot-air that the top was blown in can be even get into lower carousel 5 through louvre 21, carries out even heating to circuit board body 8.
The heating cabinet 10 includes left side box 101 and right side box 102, protection casing 11 includes left side cover 111 and right side cover 112, left side box 101 is connected with left side cover 111, right side box 102 is connected with right side cover 112, the bottom of protection casing 11 becomes the funnel-shaped setting, the bottom of left side cover 111 and right side cover 112 passes through the hinge and articulates, through the split with heating cabinet 10 and protection casing 11 about two parts, conveniently installs heating cabinet 10 and protection casing 11 in the outside of device, shortens installation time, improves the drying efficiency of circuit board body 8.
The positioning column 22 is fixed on one side of the left cover 111 and the right cover 112, the positioning groove 23 which can be clamped with the positioning column 22 is formed on one side of the left cover 111 and the right cover 112, and the left box 101 and the left cover 111 are conveniently positioned and connected with the right box 102 and the right cover 112 through the positioning column 22 and the positioning groove 23, so that the tightness of the heating box 10 and the protective cover 11 is ensured.
When the circuit board drying device is specifically used, an operator twists the nut 9 to move the lower rotary table 5 downwards, then the operator places the circuit board body 8 in the inner cavity of the second fixed frame 7, then the nut 9 is rotated, the nut 9 is utilized to move the lower rotary table 5 upwards, the top of the circuit board body 8 is placed in the inner cavity of the first fixed frame 6, meanwhile, the clamping block 16 is used for limiting and clamping the circuit board body 8 under the pushing of the spring 17, the stability of the circuit board is guaranteed, the device is removed from etching liquid, then the heating box 10 and the protective cover 11 are clamped and covered on the outer side of the device by utilizing the positioning column 22 and the positioning groove 23, meanwhile, the ventilation pipe 14 ventilates into the heating box 10 and opens the heating wire 12, the heating wire 12 heats air, then the air enters the protective cover 11 through the through holes 13, the hot air entering the protective cover 11 enters the bottom of the upper rotary table 3 through the air dispersing holes 21 and contacts with the surface of the circuit board body 8, then the output shaft 2 of the driving motor 1 drives the connecting rod 2 to rotate, the upper rotary table 3 is driven by the connecting rod 3, the upper rotary table 3 drives the circuit board 8 to move through the lead screw 4 and the lower rotary table 5, the circuit board 8 is driven by the high-speed centrifugal force to rotate, the circuit board 8 continuously drops down along the inner wall of the circuit board 8, and then the circuit board is dried, and the inner wall of the circuit board is continuously dried, and the circuit board is continuously cooled down, and the circuit board is dried.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a printed circuit board etching device with stoving mechanism, includes driving motor (1), its characterized in that: the output shaft of the driving motor (1) is fixedly provided with a connecting rod (2), the bottom of the connecting rod (2) is fixedly provided with an upper rotary table (3), the bottom of the upper rotary table (3) is fixedly provided with a screw rod (4), the surface of the screw rod (4) is sleeved with a lower rotary table (5), the periphery of the bottom of the upper rotary table (3) is fixedly provided with a first fixed frame (6), the periphery of the top of the lower rotary table (5) is fixedly provided with a second fixed frame (7), the inner cavities of the first fixed frame (6) and the second fixed frame (7) are clamped with a circuit board body (8) with etching liquid, the surface threaded connection of lead screw (4) has nut (9), the both sides of connecting rod (2) all are provided with heating cabinet (10), the bottom of heating cabinet (10) is fixed with protection casing (11), the inner chamber of heating cabinet (10) is provided with heater strip (12), through-hole (13) have been seted up at the top of protection casing (11), the top and the heating cabinet (10) intercommunication of through-hole (13), the both sides intercommunication of heating cabinet (10) have breather pipe (14).
2. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 1, wherein: the utility model discloses a fixed frame of sliding rod, including fixed frame (7) of sliding rod, the through hole has been seted up to one side of fixed frame (6) of first and second, and the inner chamber sliding connection of through hole has slide bar (15), one side of slide bar (15) runs through respectively to the inner chamber of fixed frame (6) of first and second (7) and is fixed with grip block (16), the surface cover of slide bar (15) is equipped with spring (17), spring (17) are located between fixed frame (6) of first and second (7) and grip block (16).
3. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 1, wherein: the inner cavities of the first fixing frame (6) and the second fixing frame (7) are provided with sliding grooves (18), the inner cavities of the sliding grooves (18) are connected with sliding blocks (19) in a sliding mode, and one sides of the sliding blocks (19) in the opposite directions penetrate through the sliding grooves (18) and are fixed on the surfaces of the clamping blocks (16).
4. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 1, wherein: the bottom of the inner cavity of the second fixed frame (7) is provided with a diversion trench (20), and one side, far away from the screw rod (4), of the diversion trench (20) penetrates to the outer side of the second fixed frame (7).
5. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 1, wherein: the top of the upper rotary table (3) is provided with a wind dispersing hole (21), and the aperture of the wind dispersing hole (21) is gradually increased from inside to outside along the radius of the upper rotary table (3).
6. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 1, wherein: the heating box (10) comprises a left box body (101) and a right box body (102), the protection cover (11) comprises a left cover body (111) and a right cover body (112), the left box body (101) is connected with the left cover body (111), the right box body (102) is connected with the right cover body (112), the bottom of the protection cover (11) is in a funnel-shaped arrangement, and the bottoms of the left cover body (111) and the right cover body (112) are hinged through hinges.
7. The printed circuit board etching apparatus with a drying mechanism as claimed in claim 6, wherein: a positioning column (22) is fixed on one side, opposite to the left side cover body (111) and the right side cover body (112), of the left side cover body (111) and the right side cover body (112), and a positioning groove (23) capable of being clamped with the positioning column (22) is formed in one side, opposite to the left side cover body (111) and the right side cover body (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899949.2U CN219322680U (en) | 2022-11-01 | 2022-11-01 | Printed circuit board etching device with drying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899949.2U CN219322680U (en) | 2022-11-01 | 2022-11-01 | Printed circuit board etching device with drying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219322680U true CN219322680U (en) | 2023-07-07 |
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ID=87032926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222899949.2U Active CN219322680U (en) | 2022-11-01 | 2022-11-01 | Printed circuit board etching device with drying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219322680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268081A (en) * | 2023-11-17 | 2023-12-22 | 浙江天能电池(江苏)有限公司 | Dewatering and drying device for storage battery polar plate |
-
2022
- 2022-11-01 CN CN202222899949.2U patent/CN219322680U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268081A (en) * | 2023-11-17 | 2023-12-22 | 浙江天能电池(江苏)有限公司 | Dewatering and drying device for storage battery polar plate |
| CN117268081B (en) * | 2023-11-17 | 2024-02-09 | 浙江天能电池(江苏)有限公司 | Dewatering and drying device for storage battery polar plate |
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