CN113235140A - Jet electrodeposition device with air compression accurate control - Google Patents
Jet electrodeposition device with air compression accurate control Download PDFInfo
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- CN113235140A CN113235140A CN202110415123.1A CN202110415123A CN113235140A CN 113235140 A CN113235140 A CN 113235140A CN 202110415123 A CN202110415123 A CN 202110415123A CN 113235140 A CN113235140 A CN 113235140A
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- platform
- anode
- dimensional motion
- nozzle
- cavity
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/18—Electroplating using modulated, pulsed or reversing current
Abstract
The invention discloses a jet electrodeposition device with accurately controlled air compression, which comprises a three-dimensional motion platform, a deposition tank, an anode cavity, a nozzle, an anode bar, a pulse power supply, an air compressor and a PLC motion control system, wherein the three-dimensional motion platform is connected with the deposition tank; the three-dimensional motion platform is provided with an X-Y axis platform and a Z axis platform; the deposition tank and the anode cavity are respectively and fixedly arranged on the X-Y axis platform and the Z axis platform; the nozzle and the anode bar are respectively and fixedly arranged at the bottom of the anode cavity and in the cavity; the air compressor is connected with the anode cavity through an air inlet pipe; the PLC motion control system is electrically connected with the three-dimensional motion platform. The spray electrodeposition device of the invention utilizes the air compressor to provide pressure for spraying the plating solution for spray electrodeposition, and utilizes the pressure regulating valve to accurately control the spraying flow rate of the plating solution, thereby realizing accurate stepless regulation of the spraying flow rate of the plating solution.
Description
Technical Field
The invention belongs to the technical field of jet electrodeposition, and particularly relates to a jet electrodeposition device with accurately controlled air compression.
Background
The jet electrodeposition technology is a technology for performing electrodeposition by spraying electroplating solution containing high-concentration metal ions to the surface of a cathode in a high-speed jet manner, and the high-speed jet improves mass transfer conditions and has special electric field and flow field, so that the jet electrodeposition greatly improves the limiting current density, improves the deposition efficiency, refines grains and can obtain a deposition layer with good quality.
However, the existing spray electrodeposition has problems mainly in that: (1) the structure is simple, the operation is simple and convenient, and the deposition efficiency and the accuracy are lower; (2) the deposition efficiency and the accuracy are higher, the structure is more complex, and the operation is more tedious.
Disclosure of Invention
The present invention is directed to solving the above problems and providing an electro-deposition device with precise control of air compression, which has a simple structure, is easy to operate, and has high deposition efficiency and accuracy.
The technical scheme for realizing the purpose of the invention is as follows: an air compression precisely controlled spray electrodeposition apparatus comprising: a three-dimensional motion platform; the three-dimensional motion platform is provided with an X-Y axis platform and a Z axis platform; a deposition tank; the deposition groove is fixedly arranged on an X-Y axis platform of the three-dimensional motion platform; an anode cavity; the anode cavity is fixedly arranged on a Z-axis platform of the three-dimensional motion platform; a nozzle; the nozzle is fixedly arranged at the bottom of the anode cavity; an anode rod; the anode bar is fixedly arranged in the cavity of the anode cavity; a pulse power supply; the anode of the pulse power supply is connected with the anode bar, and the cathode of the pulse power supply is connected with the matrix; an air compressor; the air compressor is connected with the anode cavity through an air inlet pipe; a PLC motion control system; the PLC motion control system is electrically connected with the three-dimensional motion platform; and respectively controlling the X-Y axis platform to perform X-Y direction movement and the Z axis platform to perform Z direction movement.
The inner diameter of the nozzle is 0.1 mm-1 mm, preferably 0.1mm, 0.3mm, 0.5mm, 0.8mm, 1 mm.
And the air inlet pipe is provided with a pressure regulating valve.
The jet electrodeposition device with the precisely controlled air compression also comprises a recovery tank; the recycling tank is connected with the sedimentation tank through a liquid return pipe.
The invention has the following positive effects:
(1) the spray electrodeposition device of the invention utilizes the air compressor to provide pressure for spraying the plating solution for spray electrodeposition, and utilizes the pressure regulating valve to accurately control the spraying flow rate of the plating solution, thereby realizing accurate stepless regulation of the spraying flow rate of the plating solution.
(2) The spray electrodeposition device provided by the invention adopts a PLC motion control system to accurately control the motion trail of the three-dimensional motion platform, and can ensure the high efficiency, accuracy and stability of spray electrodeposition.
Drawings
FIG. 1 is a schematic view showing the construction of an electrodeposition apparatus for jetting with precise control of air compression according to example 1.
Detailed Description
(example 1)
Referring to fig. 1, the air compression precisely controlled spray electrodeposition device of the present embodiment comprises a three-dimensional motion platform 1, a deposition tank 2, an anode chamber 3, a nozzle 4, an anode rod 5, a pulse power supply 6, an air compressor 7, a PLC motion control system 8, and a recovery tank 9.
The three-dimensional motion platform 1 is provided with an X-Y axis platform 11 and a Z axis platform 12, wherein the X-Y axis platform 11 can move along the X-Y direction (namely, the horizontal direction), and the Z axis platform 12 can move along the Z direction (namely, the vertical direction).
The deposition groove 2 is fixedly arranged on an X-Y axis platform 11 of the three-dimensional moving platform 1 through a clamp.
The anode cavity 3 is fixedly arranged on a Z-axis platform 12 of the three-dimensional moving platform 1 through a clamp.
The nozzle 4 is fixedly mounted at the bottom of the anode chamber 3. Specifically, the nozzle 4 is provided with external threads, and the bottom shell of the anode cavity 3 is provided with internal threads, which are hermetically connected together through the threads.
The nozzle 4 of this example had an inner diameter of 0.5 mm.
The anode rod 5 is fixedly arranged in the cavity of the anode cavity 3. Specifically, the top of the anode rod 5 is provided with external threads, and the top shell of the anode cavity 3 is provided with internal threads, which are hermetically connected together through the threads.
The anode rod 5 of the present embodiment is an anode copper rod.
The positive electrode of the pulse power source 6 is connected to the anode rod 5 through an anode lead 61, and the negative electrode of the pulse power source 6 is connected to the base body 100 through a cathode lead 62.
The air compressor 7 is connected to the anode chamber 3 through an intake pipe 71, and a pressure regulating valve 72 is attached to the intake pipe 71.
The PLC motion control system 8 is electrically connected with the three-dimensional motion platform 1. And respectively controlling the X-Y axis platform 11 to move in the X-Y direction and the Z axis platform 12 to move in the Z direction.
The recovery tank 9 is connected to the precipitation tank 2 through a liquid return pipe 91.
The specific method for spray electrodeposition using the spray electrodeposition device of example 1 was as follows:
putting a substrate 100 in a deposition tank 2, and adjusting the distance between a nozzle 4 and the substrate 100 to be 0.25mm (namely, half of the inner diameter of the nozzle 4) through a three-dimensional moving platform 1.
The material of the substrate 100 of this embodiment is 316 stainless steel. Before use, the surface of the steel plate is sequentially polished by metallographic abrasive paper with different meshes, then polished by a metallographic polishing machine, and finally cleaned by a solvent to remove oil.
Secondly, the anode of the pulse power supply 6 is connected with the anode bar 5 through an anode lead 61, the cathode of the pulse power supply 6 is connected with the substrate 100 through a cathode lead 62, the peak output voltage of the pulse power supply 6 is set to be 30V, the peak output current is set to be 0.5A, the frequency is set to be 300Hz, and the duty ratio is 1: 6.
And thirdly, editing a motion instruction of the three-dimensional motion platform 1 required by deposition through the programmable handle, transmitting the motion instruction to the PLC motion control system 8, automatically reading the motion instruction by the PLC motion control system 8, and transmitting the motion instruction to the three-dimensional motion platform 1, wherein the three-dimensional motion platform 1 drives the deposition groove 2 on the X-Y axis platform 11, the anode cavity 3 on the Z axis platform 12 and the nozzle 4 to move along a set track in the direction of X, Y, Z axes according to the motion instruction edited by a user.
Meanwhile, the plating solution is added into the anode cavity 3, the pulse power supply 6 is turned on, the air compressor 7 is turned on, the air pressure is adjusted to be 0.1MPa through the pressure adjusting valve 72, and the plating solution is sprayed and deposited on the substrate 100 from the nozzle 4 under the action of the air pressure.
The plating solution of this example comprises the following components: 250g/L of copper sulfate and 50g/L of sulfuric acid.
In the spraying process, the three-dimensional moving platform 11 can detect the distance between the nozzle 4 and the substrate 100 in real time, and ensure that the distance between the nozzle 4 and the substrate 100 is always maintained at 0.25mm, thereby ensuring that a stable electric field is formed between the nozzle 4 and the substrate 100.
In the spraying process, the excessive plating solution in the deposition tank 2 flows to the recovery tank 9 through the liquid return pipe 91 for the subsequent spraying electrodeposition.
Claims (6)
1. An air compression precisely controlled spray electrodeposition apparatus comprising:
a three-dimensional motion platform (1); the three-dimensional motion platform (1) is provided with an X-Y axis platform (11) and a Z axis platform (12);
a deposition tank (2); the deposition groove (2) is fixedly arranged on an X-Y axis platform (11) of the three-dimensional motion platform (1);
an anode chamber (3); the anode cavity (3) is fixedly arranged on a Z-axis platform (12) of the three-dimensional motion platform (1);
a nozzle (4); the nozzle (4) is fixedly arranged at the bottom of the anode cavity (3);
an anode rod (5); the anode bar (5) is fixedly arranged in the cavity of the anode cavity (3);
a pulse power supply (6); the positive electrode of the pulse power supply (6) is connected with the anode bar (5), and the negative electrode of the pulse power supply (6) is connected with the matrix (100);
an air compressor (7); the air compressor (7) is connected with the anode cavity (3) through an air inlet pipe (71);
a PLC motion control system (8); the PLC motion control system (8) is electrically connected with the three-dimensional motion platform (1); and respectively controlling the X-Y axis platform (11) to move in the X-Y direction and the Z axis platform (12) to move in the Z direction.
2. The air compression precisely controlled spray electrodeposition device according to claim 1, wherein: the inner diameter of the nozzle (4) is 0.1 mm-1 mm.
3. The air compression precisely controlled spray electrodeposition device according to claim 2, wherein: the inner diameter of the nozzle (4) is 0.1mm, 0.3mm, 0.5mm, 0.8mm and 1 mm.
4. An air compression precisely controlled spray electrodeposition device according to any one of claims 1 to 3, wherein: and a pressure regulating valve (72) is mounted on the air inlet pipe (71).
5. An air compression precisely controlled spray electrodeposition device according to any one of claims 1 to 3, wherein: also comprises a recovery groove (9); the recycling tank (9) is connected with the sedimentation tank (2) through a liquid return pipe (91).
6. The air compression precisely controlled spray electrodeposition device according to claim 4, wherein: also comprises a recovery groove (9); the recycling tank (9) is connected with the sedimentation tank (2) through a liquid return pipe (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110415123.1A CN113235140A (en) | 2021-04-17 | 2021-04-17 | Jet electrodeposition device with air compression accurate control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110415123.1A CN113235140A (en) | 2021-04-17 | 2021-04-17 | Jet electrodeposition device with air compression accurate control |
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| CN113235140A true CN113235140A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110415123.1A Pending CN113235140A (en) | 2021-04-17 | 2021-04-17 | Jet electrodeposition device with air compression accurate control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846359A (en) * | 2021-11-30 | 2021-12-28 | 太原理工大学 | Selective jet electrodeposition surface modification device |
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2021
- 2021-04-17 CN CN202110415123.1A patent/CN113235140A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846359A (en) * | 2021-11-30 | 2021-12-28 | 太原理工大学 | Selective jet electrodeposition surface modification device |
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