CN210163538U - Copper-clad device - Google Patents
Copper-clad device Download PDFInfo
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- CN210163538U CN210163538U CN201920894255.5U CN201920894255U CN210163538U CN 210163538 U CN210163538 U CN 210163538U CN 201920894255 U CN201920894255 U CN 201920894255U CN 210163538 U CN210163538 U CN 210163538U
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Abstract
The utility model discloses a cover copper device, it includes the device body, the device body includes the workstation, is located the base of workstation below, and one side of base is equipped with the solution tank that is used for holding reaction solution, and the opposite side of base is equipped with the drying cabinet that is used for heating the dry work piece, is equipped with the waterlogging caused by excessive rainfall platform between solution tank and the drying cabinet, and the top of solution tank is equipped with the work piece peg that is used for hanging the work piece, is equipped with the agitating unit with the contact of reaction solution in the solution tank. The utility model discloses production efficiency is high, easy operation, and the security performance is high, and it is effectual to cover copper, has still reduced workman's intensity of labour simultaneously, has improved site environment.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a PCB circuit board makes technical field, and is concrete, relates to a cover copper device.
[ background of the invention ]
With the rapid development of electronic technology, the printed circuit board manufacturing industry has been rapidly developed accordingly, and PCBs are parts that simply connect various components of electronic devices to each other and are widely used in most of the electronic devices ranging from home appliances to high-technology communication devices.
Copper-clad refers to the space left free on the PCB as a reference surface and then filled with solid copper, these copper areas are also called copper-filled.
The plating treatment refers to a technique for forming a plated layer having a desired thickness and material on a predetermined plated object, and the plating is a very important process in a PCB production process; it refers to a process of depositing a metal or alloy layer on the surface of an electric conductor such as a metal by performing an electrolytic reaction in a solution by the action of an external direct current.
Generally, a copper-clad process for a printed circuit board includes three steps, i.e., a pre-process, a copper-clad process and a post-process. In the traditional electroplating equipment, a pretreatment process adopts a soaking type technology to clean the printed circuit board, and after the pretreatment is finished, the printed circuit board is taken out from a pretreatment cleaning solution and is conveyed to copper-clad wires one by one to be subjected to copper-clad treatment. However, the copper-clad efficiency of the circuit board adopting the scheme is generally low.
[ Utility model ] content
The utility model mainly aims at providing a production automation, production efficiency is high, covers effectual copper device that covers of copper.
In order to realize foretell main purpose, the utility model provides a pair of cover copper device, it includes the device body, the device body includes the workstation, is located the base of workstation below, one side of base is equipped with the solution tank that is used for holding reaction solution, the opposite side of base is equipped with the drying cabinet that is used for heating the dry work piece, the solution tank with be equipped with the waterlogging caused by excessive rainfall platform between the drying cabinet, the top of solution tank is equipped with the work piece peg that is used for hanging the work piece, be equipped with in the solution tank with the agitating unit of reaction solution contact.
The solution tank comprises an outer solution tank shell and an inner solution tank shell positioned in the outer solution tank shell, and the contour of the inner wall of the outer solution tank shell is matched with the contour of the outer part of the inner solution tank shell.
In a further scheme, heating devices for heating the reaction solution are arranged on two sides of the inner shell of the solution tank.
According to a further scheme, the drying box comprises a drying box outer shell and a drying box inner shell located in the drying box outer shell, and the inner wall outline of the drying box outer shell is matched with the outer outline of the drying box inner shell.
According to a further scheme, an air blowing device is further arranged below the inner shell of the drying oven, two fixing parts of the air blowing device are fixedly attached to the inner shell of the drying oven, and heating wires are arranged between the inner shell of the drying oven and the air blowing device.
According to a further scheme, the drying box further comprises a cover plate, wherein the cover plate covers the outer shell of the drying box and forms a heating inner cavity with the inner shell of the drying box so as to heat and dry the workpiece.
A further scheme is, agitating unit includes stirring rake and agitator motor, agitator motor is located solution tank top opening part, agitator motor's output shaft with the connecting portion of stirring rake are connected, by agitator motor drive the rotation of stirring rake.
According to a further scheme, a fixing frame is further arranged between the stirring paddle and the stirring motor, and two ends of the fixing frame are fixedly arranged on two sides of an opening above the solution tank.
According to a further scheme, the workpiece hanging rod comprises a hanging rod and two fixing blocks, the two fixing blocks are fixedly arranged on two sides of an opening above the solution tank, and the two fixing blocks are respectively connected with two ends of the hanging rod through bolts.
In a further scheme, a plurality of universal wheels are arranged below the base.
Therefore, the utility model provides a cover copper device mainly includes the workstation, holds parts such as solution tank, drying cabinet, waterlogging caused by excessive rainfall platform, base, agitating unit, heating device of reaction solution, covers the copper in-process in production, pours reaction solution into the solution tank in, and solution heats to the uniform temperature back in the box, starts agitating unit, with the solution stirring in the box, makes its concentration even. Then, the workpiece to be coated with copper is put into a solution tank through a workpiece hanging rod, so that a layer of active metal particles is adsorbed on the surface of the insulating substrate, the metal copper ions are firstly reduced on the active metal particles, the reduced metal copper crystal nuclei themselves become catalytic layers of the copper ions, and the reduction reaction of the copper is continuously carried out on the surfaces of the new copper crystal nuclei. Compared with the traditional copper-clad mode, the whole copper-clad efficiency of the circuit board can be effectively improved, the production efficiency is improved, and the electroplating uniformity and the metal solubility are improved.
In addition, through being provided with the waterlogging caused by excessive rainfall platform behind the copper-clad process, after the work piece covers copper in the solution tank and accomplishes, place it on the waterlogging caused by excessive rainfall bench, can dripdoor its surface water stain, then put into the drying cabinet with it, start heating device and air-blower with the heating inner chamber heating of drying cabinet to predetermined temperature, can play fine heating and drying effect.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the copper-clad device of the present invention.
Fig. 2 is an exploded perspective view of an embodiment of the copper-clad device of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
Referring to fig. 1 to 2, the utility model discloses a cover copper device, including the device body, the device body includes workstation 1, is located the base 2 of workstation 1 below, and one side of base 2 is equipped with the solution tank 3 that is used for holding reaction solution, and the opposite side of base 2 is equipped with the drying cabinet 4 that is used for heating the dry work piece, is equipped with waterlogging caused by excessive rainfall platform 5 between solution tank 3 and the drying cabinet 4, and the top of solution tank 3 is equipped with the work piece peg 6 that is used for hanging the work piece, is equipped with the agitating unit 7 with the contact of reaction solution in the solution tank 3. Wherein, still be provided with the solution pipeline 35 that is linked together with the solution tank in the solution tank, the user can add reaction solution to the solution tank in through solution pipeline 35. The reaction solution in this example was a copper sulfate mixed solution.
In the present embodiment, the solution tank 3 includes an outer tank shell 31, and an inner tank shell 32 located inside the outer tank shell 31, and the inner wall profile of the outer tank shell 31 matches the outer profile of the inner tank shell 32. Wherein, the two sides of the inner shell 32 of the solution tank are provided with heating devices 33 for heating the reaction solution, specifically, the two sides of the inner shell 32 of the solution tank are provided with placing parts 34 for placing the heating devices 33, and the heating devices 33 are positioned in the placing parts 34. Preferably, the heating device 33 is a heating pipe. Therefore, the heating pipe can heat the reaction solution to normal temperature, such as 50 ℃, so that the reaction is more sufficient.
In the present embodiment, the drying box 4 includes a drying box outer casing 41, and a drying box inner casing 42 located inside the drying box outer casing 41, and the inner wall profile of the drying box outer casing 41 matches the outer profile of the drying box inner casing 42. It can be seen that the solution tank 3 and the drying tank 4 after the reaction are conveniently cleaned by designing the detachable outer shell and the detachable inner shell.
Wherein, the drying cabinet inner shell 42 below still is equipped with air-blast device 43, and two fixed parts and the drying cabinet inner shell 42 laminating of air-blast device 43 are fixed, are equipped with heater strip 44 between drying cabinet inner shell 42 and the air-blast device 43. Preferably, the air blowing device 43 is an air blower.
The drying oven 4 further includes a cover plate 45, and the cover plate 45 covers the drying oven outer shell 41 and forms a heating cavity with the drying oven inner shell 42 to heat and dry the workpiece. It can be seen that the blower blows air into the heating wire 44 to make the air pass through the spiral heating wire 44 uniformly, and the heat generated by the heating wire after being electrified exchanges heat with the passing cold air, so that the temperature of the heating inner cavity is increased.
In this embodiment, the stirring device 7 includes a stirring paddle 72 and a stirring motor 71, the stirring motor 71 is located at an opening above the solution tank 3, an output shaft of the stirring motor 71 is connected to a connecting portion of the stirring paddle 72, a stirring portion of the stirring paddle 72 is in contact with the reaction solution in the solution tank 3, and the stirring motor 71 drives the stirring paddle 72 to rotate.
Wherein, a fixing frame 73 is arranged between the stirring paddle 72 and the stirring motor 71, and two ends of the fixing frame 73 are fixedly arranged at two sides of the opening above the solution tank 3. It can be seen that the fixing frames 73 are arranged on two sides of the opening above the solution tank 3, so that the stirring paddle 72 and the stirring motor 71 can be effectively fixed, and the stability of the device is improved.
In this embodiment, the workpiece hanging rod 6 comprises a hanging rod and two fixing blocks, the two fixing blocks are fixedly arranged on two sides of the opening above the solution tank 3, and the two fixing blocks are respectively connected with two ends of the hanging rod through bolts. Therefore, the hanging rod is detachably connected with the two fixing blocks, the hanging rod can be detached when the copper-clad device is not used, and meanwhile, the copper-clad device is convenient to clean.
Preferably, a plurality of universal wheels 21 are further arranged below the base 2.
In practical application, the solution tank 3 is filled with reaction solution, the heating device 33 is started, the solution tank is heated to 50 ℃ (constant temperature), the stirring device 7 is started simultaneously, the concentration of the solution in the solution tank 3 is uniform, then a plurality of workpieces are placed into the solution tank 3, hooks of the workpieces are hung on the workpiece hanging rod 6, the workpieces are taken out after the preset time is reached, the workpieces are placed on the draining table 5, water stains on the surfaces of the workpieces are drained, the workpieces are placed into the drying box 4 again, the temperature in the drying box 4 is set to be 200-. When the copper-clad workpiece is subjected to copper-clad treatment in the solution tank 3, firstly, the activating agent is used for treatment, so that a layer of active particles (usually metal particles) is adsorbed on the surface of the insulating substrate, metal copper ions are firstly reduced on the active metal particles, the reduced metal copper crystal nuclei themselves become catalytic layers of the copper ions, and the reduction reaction of copper is continuously carried out on the surfaces of the new copper crystal nuclei. The activating agent in this embodiment is a nitric acid solution, and may be used either inside the solution tank 3 or outside the solution tank 3, and the purpose of the activating agent is to make the insulating substrate surface adsorb a layer of active particles, and then use the reaction solution inside the solution tank 3.
Therefore, the utility model provides a cover copper device mainly includes workstation 1, holds parts such as solution tank 3, drying cabinet 4, waterlogging caused by excessive rainfall platform 5, base 2, agitating unit 6, heating device 33 of reaction solution, covers the copper in-process in production, pours reaction solution into solution tank 3 in, and solution heats to the uniform temperature in the box after, starts agitating unit 6, with the solution stirring in the box, makes its concentration even. Then, a plurality of workpieces to be coated with copper are put into the solution tank 3 through the workpiece hanging rod 6, so that a layer of active metal particles is adsorbed on the surface of the insulating base material, metal copper ions are reduced on the active metal particles firstly, and the reduced metal copper crystal nuclei themselves become catalytic layers of the copper ions, so that the reduction reaction of the copper is continuously carried out on the surfaces of the new copper crystal nuclei. Compared with the traditional copper-clad mode, the whole copper-clad efficiency of the circuit board can be effectively improved, the production efficiency is improved, and the electroplating uniformity and the metal solubility are improved.
In addition, through being provided with draining platform 5 behind the copper-clad process, after the work piece covers copper in solution tank 3 and accomplishes, place it on draining platform 5, can drain its surface water stain, then put into drying cabinet 4 with it, start heating device 33 and air-blower with the heating inner chamber heating of drying cabinet 4 to predetermined temperature, if 200 degrees centigrade to 220 degrees centigrade, can play fine heating drying effect.
Therefore, the copper-clad device is high in production efficiency, simple to operate, high in safety performance and good in electroplating effect, and meanwhile, the labor intensity of workers is reduced, and the field environment is improved.
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a copper-clad device, includes the device body, its characterized in that:
the device body includes the workstation, is located the base of workstation below, one side of base is equipped with the solution tank that is used for holding reaction solution, the opposite side of base is equipped with the drying cabinet that is used for heating dry work piece, the solution tank with be equipped with the waterlogging caused by excessive rainfall platform between the drying cabinet, the top of solution tank is equipped with the work piece peg that is used for hanging the work piece, be equipped with in the solution tank with the agitating unit of reaction solution contact.
2. The copper-clad device according to claim 1, wherein:
the solution tank comprises a solution tank outer shell and a solution tank inner shell positioned in the solution tank outer shell, and the inner wall contour of the solution tank outer shell is matched with the outer contour of the solution tank inner shell.
3. The copper-clad device according to claim 2, wherein:
and heating devices for heating the reaction solution are arranged on two sides of the inner shell of the solution box.
4. The copper-clad device according to claim 1, wherein:
the drying box comprises a drying box outer shell and a drying box inner shell positioned in the drying box outer shell, and the inner wall profile of the drying box outer shell is matched with the outer profile of the drying box inner shell.
5. The copper-clad device according to claim 4, wherein:
the drying cabinet inner shell below still is equipped with air-blast device, two fixed parts of air-blast device with the laminating of drying cabinet inner shell is fixed, the drying cabinet inner shell with be equipped with the heater strip between the air-blast device.
6. The copper-clad device according to claim 5, wherein:
the drying oven also comprises a cover plate, wherein the cover plate covers the drying oven outer shell and forms a heating inner cavity with the drying oven inner shell so as to heat and dry the workpiece.
7. The copper-clad device according to any one of claims 1 to 6, wherein:
agitating unit includes stirring rake and agitator motor, agitator motor is located solution tank top opening part, agitator motor's output shaft with the connecting portion of stirring rake are connected, by agitator motor drive the rotation of stirring rake.
8. The copper-clad device according to claim 7, wherein:
and a fixing frame is further arranged between the stirring paddle and the stirring motor, and two ends of the fixing frame are fixedly arranged on two sides of an opening above the solution tank.
9. The copper-clad device according to any one of claims 1 to 6, wherein:
the workpiece hanging rod comprises a hanging rod body and two fixing blocks, the two fixing blocks are fixedly arranged on two sides of an opening above the solution tank, and the two fixing blocks are respectively connected with two ends of the hanging rod through bolts.
10. The copper-clad device according to any one of claims 1 to 6, wherein:
a plurality of universal wheels are further arranged below the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894255.5U CN210163538U (en) | 2019-06-14 | 2019-06-14 | Copper-clad device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894255.5U CN210163538U (en) | 2019-06-14 | 2019-06-14 | Copper-clad device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210163538U true CN210163538U (en) | 2020-03-20 |
Family
ID=70171791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920894255.5U Active CN210163538U (en) | 2019-06-14 | 2019-06-14 | Copper-clad device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210163538U (en) |
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2019
- 2019-06-14 CN CN201920894255.5U patent/CN210163538U/en active Active
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Effective date of registration: 20220614 Granted publication date: 20200320 |