A multi-channel jet electrodeposition device

Abstract

The present invention discloses a multi-channel jet electrodeposition device, comprising a first guide rail, a second guide rail, and a nozzle. The first guide rail is slidably connected to both ends of the second guide rail by a slider. The nozzle is movably mounted on the second guide rail. The nozzle has multiple channels and is connected to the positive electrode of a power supply. The nozzle faces a base plate whose lower end is connected to the negative electrode of the power supply. The nozzle is connected to a solution tank via a spray pump, and the base plate is connected to the solution tank via a suction pump. The spray pump and the suction pump are each connected to a controller. The device can achieve multi-channel alternating spray plating in the electrodeposition device, with precise spraying position and high electrodeposition efficiency.

Description

Technical Field

[0001] The present invention relates to an electrodeposition device, and more particularly to a multi-channel jet electrodeposition device. Background Art

[0002] Electrodeposition technology is the foundation of metal electrolytic smelting and electroplating processes. It has become a crucial modern processing technology in traditional decoration, wear resistance, friction reduction, corrosion protection, surface modification, and the development of new materials for coatings with electrical and optical properties. However, current electrodeposition processes suffer from concentration polarization, poor bonding strength, and low limiting current density, resulting in low electrodeposition efficiency. Furthermore, the nozzles in current electrodeposition devices can only achieve single-shot spraying, resulting in a single spraying effect, difficult to control the spraying position, and difficulty in achieving alternating spraying during the spraying process. Summary of the Invention

[0003] Purpose of the invention: The purpose of the present invention is to provide a multi-channel jet electrodeposition device that can achieve multi-channel spraying, precise spraying position and high electrodeposition efficiency.

[0004] Technical solution: The multi-channel jet electrodeposition device described in the present invention includes a first guide rail, a second guide rail and a nozzle. The first guide rail is slidably connected to the two ends of the second guide rail by a slider. The nozzle is movably installed on the second guide rail. The nozzle has multiple channels and is connected to the positive pole of the power supply. It is facing the bottom plate with the negative pole of the power supply connected at the lower end. The nozzle is connected to the solution tank through a spray pump, and the bottom plate is connected to the solution tank through a suction pump. The spray pump and the suction pump are respectively connected to the controller.

[0005] The support frame is composed of a base and columns arranged at the four corners of the base. The first guide rail and the second guide rail are installed on the columns of the support. The first guide rail and the second guide rail are equipped with a positioning device. The positioning device includes a first roller, a second roller, a first belt, and a second belt. The first roller and the second roller are installed on the columns of the support. The first belt is sleeved on the large shafts of the first roller and the second roller. The second belt passes through the nozzle and is sleeved on the small shafts of the first roller and the second roller. A vertical positioning device is installed on the support, and the bottom plate is placed on the vertical positioning device. The vertical positioning device includes a base, a screw, a motor, and a motor switch. The motor switch is mounted on the bracket base, the lead screw is vertically mounted on the bracket base, a motor is mounted on the bottom end, the motor and the motor switch are electrically connected, the base is movably mounted on the lead screw, and the bottom plate is placed on the base; the nozzle is connected to the suction pump through a return pipe and is connected to the spray pump through an infusion pipe; the nozzle includes a first flow channel, a first one-way valve, a second flow channel, a third flow channel, a second one-way valve, a third one-way valve, a first nozzle and a second nozzle, the first flow channel is connected to the first nozzle, a first branch connected to the third flow channel is provided on the first flow channel, and the inlet end is connected to the flow channel controlled by the second valve switch, the first one-way valve is arranged in the first branch On the road, a second one-way valve is provided at the connection between the third flow channel and the second flow channel, and the inlet end is connected to the flow channel controlled by the second valve switch, a second branch connected to the third flow channel is provided at the second one-way valve, a third one-way valve is provided on the second branch, and the second flow channel is connected to the second nozzle; the relationship between the valve cylinder area S1, S2, S3 of the first one-way valve, the second one-way valve and the third one-way valve and the elastic coefficient K1, K2, K3 of the spring in each valve is: ai=Si×Ki×Xi, where ai is the opening pressure of the one-way valve, Xi is the compression amount of the spring, and i=1, 2, 3; the first one-way valve, the second one-way valve and the third one-way valve The opening pressures of the three one-way valves are a1=0.07~0.1MPa, a2=0.01~0.08MPa, and a3=0.12~0.2MPa respectively; the solution tank includes a first valve switch, a second valve switch, a first solution tank, a reflux tank, a second solution tank and a temperature control device, the first solution tank and the second solution tank are connected to the spray pump, the first solution tank is connected to the first valve switch, the second solution tank is connected to the second valve switch, the reflux tank is connected to the suction pump, and the temperature control device is arranged on the outside of the first solution tank and the second solution tank; an electrolyte inlet hole is provided on the surface of the bottom plate, and an electrolyte flow channel is provided inside.

[0006] Beneficial effects: Compared with the prior art, the present invention has the following significant advantages: 1. It realizes multi-channel alternating spraying in the electrodeposition device; 2. It achieves precise spraying position; 3. It has high electrodeposition efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic structural diagram of the present invention;

[0008] Figure 2is a schematic diagram of the arrangement of the first belt and the second belt;

[0009] Figure 3 It is a top view of the base plate;

[0010] Figure 4 It is a cross-sectional view of the bottom plate;

[0011] Figure 5 It is a cross-sectional view of the nozzle;

[0012] Figure 6 is a cross-sectional view of the solution tank;

[0013] Figure 7 is a top view of the electrodeposited sample of Example 1;

[0014] Figure 8 is a top view of the electrodeposited sample of Example 2;

[0015] Figure 9 is a top view of the electrodeposited sample of Example 3;

[0016] Figure 10 is a top view of the electrodeposited sample of Example 4;

[0017] Figure 11 This is a top view of the electrodeposited sample of Example 5. DETAILED DESCRIPTION

[0018] Example 1

[0019] like Figures 1 to 6As shown, a multi-channel jet electrodeposition device includes a first guide rail 1, a second guide rail 16, a nozzle 18 and a support frame 7. The first guide rail 1 is slidably connected to both ends of the second guide rail 16 by a slider 2. The nozzle 18 is movably mounted on the second guide rail 16. The nozzle 18 has multiple channels and is connected to the positive pole of the power supply 14. It is directly opposite to the bottom plate 17 with the negative pole of the power supply 14 connected to the lower end. The nozzle 18 is connected to the solution tank 10 through the spray pump 13. The bottom plate 17 is connected to the solution tank 10 through the suction pump 8. The spray pump 13 and the suction pump 8 are respectively connected to the controller 9. The support frame 7 is composed of a base and columns provided at the four corners of the base. The first guide rail 1 and the second guide rail 16 are mounted on the columns of the bracket 7. The first guide rail 1 and the second guide rail 16 are equipped with a positioning device 15. The positioning device 15 includes a first roller 15-1, a second roller 15-2, a first belt 15-3, and a second belt 15-4. The first roller 15-1 and the second roller 15-2 are installed on the column of the bracket 7. The first belt 15-3 is sleeved on the large shafts of the first roller 15-1 and the second roller 15-2. The second belt 15-4 passes through the nozzle 18 and is sleeved on the small shafts of the first roller 15-1 and the second roller 15-2. The bracket 7 is equipped with a vertical positioning device, and the bottom plate 17 is placed on the vertical positioning device. The vertical positioning device includes a base 3, a screw 4, a motor 5, and a motor switch 6. The motor switch 6 is installed on the base of the bracket 7. The screw 4 is vertically installed on the base of the bracket 7. The bottom end is equipped with a motor 5. The motor 5 and the motor switch 6 are electrically connected. The base 3 is movable The nozzle 18 is connected to the suction pump 8 through the return pipe 11 and the spray pump 13 through the infusion pipe 12. The nozzle 18 includes a first flow channel 18-1, a first one-way valve 18-2, a second flow channel 18-3, a third flow channel 18-4, a second one-way valve 18-5, a third one-way valve 18-6, a first nozzle 18-7 and a second nozzle 18-8. The first flow channel 18-1 is connected to the first nozzle 18-7. A first branch connecting the third flow channel 18-4 is provided on the first flow channel 18-1, and the inlet end is connected to the flow channel controlled by the second valve switch 10-2. The first one-way valve 18-2 is provided on the first branch, and a second one-way valve 18-4 is provided at the connection between the third flow channel 18-4 and the second flow channel 18-3. One-way valve 18-5 is connected to the flow channel controlled by second valve switch 10-1. A second branch is provided at second one-way valve 18-5, connecting to third flow channel 18-4. A third one-way valve 18-6 is provided on this second branch. Second flow channel 18-3 is connected to second nozzle 18-8. The relationship between the valve cylinder areas S1, S2, and S3 of first one-way valve 18-2, second one-way valve 18-5, and third one-way valve 18-6 and the spring coefficients K1, K2, and K3 of their respective internal springs is: ai = Si × Ki × Xi, where ai is the opening pressure of the one-way valve, Xi is the compression of the spring, and i = 1, 2, and 3. The opening pressures of first one-way valve 18-2, second one-way valve 18-5, and third one-way valve 18-6 are a1 = 0, respectively.1MPa, a2 = 0.08MPa, a3 = 0.2MPa. Solution tank 10 includes a first valve switch 10-1, a second valve switch 10-2, a first solution tank 10-3, a reflux tank 10-4, a second solution tank 10-5, and a temperature control device 10-6. The first and second solution tanks 10-3, 10-5 are connected to a spray pump 13. The first solution tank 10-3 is connected to the first valve switch 10-1, the second solution tank 10-5 is connected to the second valve switch 10-2, the reflux tank 10-4 is connected to the suction pump 8, and the temperature control device 10-6 is arranged outside the first and second solution tanks 10-3, 10-5. The bottom plate 3 is provided with an electrolyte inlet hole on its surface and an electrolyte flow channel inside.

[0020] Depositing a Co coating on a copper sheet: placing the copper sheet to be plated on a base plate 17, loading the Co solution into the first solution tank 10-3, adjusting the temperature of the Co solution by adjusting the temperature control device 10-6, turning on the motor switch 6 to adjust the up and down movement of the base 3, controlling the distance between the nozzle 18 and the carrier, rotating the first roller 15-1 to drive the first belt 15-3 to move the slider 2 plane longitudinal distance, rotating the second roller 15-2 to drive the belt 15-4 to move the slider 2 plane lateral distance, controlling the plane position of the nozzle 18, opening the first valve switch 10-1, and the Co solution in the first solution tank 10-3 flows into the infusion pipe 12, and the flow rate of the Co solution in the infusion pipe 12 is controlled by adjusting the spray pump 13 through the controller 9, and the Co solution flows into the flow channel 18-1 for transmission, and the third flow channel 18-4 does not transmit the plating solution, and the Co plating solution is sprayed onto the cathode carrier copper sheet through the first nozzle 18-7. The obtained electrodeposition sample is as shown in FIG. Figure 7 shown.

[0021] Example 2

[0022] The difference between this embodiment and embodiment 1 is that the second solution tank 10-5 is filled with Co solution. During spray plating, the first valve switch 10-1 is closed, and the second valve switch 10-2 is opened to extract the second solution tank 10-5 so that the Co solution flows into the third flow channel 18-4 to transmit the Co plating solution. The first flow channel 18-1 does not transmit the plating solution. The transmission hydraulic pressure of the third flow channel 18-4 is adjusted to 0.8 MPa. The second one-way valve 18-5 is opened, and the plating solution is sprayed onto the cathode carrier copper sheet through the second flow channel 18-3. , adjust the parameters of the controller 9 to control the liquid spraying pump 13 to increase the transmission hydraulic pressure of the third flow channel 18-4, the first one-way valve 18-2 and the third one-way valve 18-6 are both opened, the plating solution flows into the second one-way valve 18-5 through the third one-way valve 18-6, and the second one-way valve 18-5 is closed, the plating solution does not flow through the second flow channel 18-3, and the plating solution flows into the first flow channel 18-1 through the first one-way valve 18-2 channel, and is sprayed onto the cathode carrier copper sheet through the first nozzle 18-7. The obtained electrodeposition sample is as shown Figure 8 shown.

[0023] Example 3

[0024] The difference between this embodiment and embodiment 1 is that the first solution tank 10-3 is filled with Co solution, and the second solution tank 10-5 is filled with Mn solution. During spray plating, the first valve switch 10-1 is opened, and the controller 9 adjusts the spray pump 13 to control the flow rate of the Co solution in the infusion pipe 12. The Co solution flows into the first flow channel 18-1 for transmission, and the third flow channel 18-4 does not transmit the plating solution. After the Co material to be plated is spray-plated on the cathode carrier copper sheet for 2 minutes, the second valve switch 10-2 is opened, and the Mn solution in the second solution tank 10-5 is drawn and flows into the third flow channel 18- 4, the controller 9 is adjusted to make the hydraulic pressure 0.25MPa. At this time, the first one-way valve 18-2 and the third one-way valve 18-6 are both opened, and the plating solution flows into the second one-way valve 18-5 through the third one-way valve 18-6, so that the supplied liquid pressure is insufficient to open the second one-way valve 18-5, so that the second one-way valve 18-5 is closed, and the Mn plating solution does not flow through the second flow channel 18-3. The Mn plating solution flows into the first flow channel 18-1 through the first one-way valve 18-2 channel, and is mixed with the Co plating solution and sprayed onto the cathode carrier copper sheet, so that CoMn is sprayed on the surface. The obtained electrodeposited sample is as shown in FIG. Figure 9 shown.

[0025] Example 4

[0026] The difference between this embodiment and embodiment 1 is that the first solution tank 10-3 is filled with Co solution, and the second solution tank 10-5 is filled with Mn solution. During spraying, the first valve switch 10-1 is opened, and the controller 9 adjusts the spray pump 13 to control the flow rate of the Co solution in the infusion pipe 12, and the Co solution flows into the first flow channel 18-1 for transmission. The second valve switch 10-2 is opened, and the Mn solution in the second solution tank 10-5 is drawn into the third flow channel 18-4. The first flow channel 18-1 transmits the Mn solution in the first solution tank 10-3. The Co solution was transported from the third flow channel 18-4 to the Mn solution in the second solution tank 10-5. The transport hydraulic pressure was adjusted to 0.08 MPa, so that the second one-way valve 18-5 was opened, the first one-way valve 18-2 and the third one-way valve 18-6 were closed, and the Mn solution in the second solution tank 10-5 flowed into the second flow channel 18-3. The distance between the nozzle 18 and the liquid extraction base plate 17 was adjusted to 0.7 mm, so that the first flow channel 18-1 and the second flow channel 18-3 sprayed the same point on the cathode carrier copper sheet. The obtained electrodeposition sample was as follows: Figure 10 shown.

[0027] Example 5

[0028] The difference between this embodiment and embodiment 1 is that the first solution tank 10-3 is filled with Mn solution, and the second solution tank is filled with Co solution. During spraying, the first valve switch 10-1 is opened, and the controller 9 adjusts the spray pump 13 to control the flow rate of the Mn solution in the infusion pipe 12, and the Mn solution flows into the first flow channel 18-1 for transmission. The second valve switch 10-2 is opened, and the Co solution in the second solution tank 10-5 is drawn into the third flow channel 18-4. The first flow channel 18-1 transmits the Mn solution in the first solution tank 10-3. The third flow channel 18-4 transmits the Co solution from the second solution tank 10-5. The transmission hydraulic pressure is adjusted to 0.075 MPa, so that the second one-way valve 18-5 and the first one-way valve 18-2 are opened, and the third one-way valve 18-6 is closed. The Co solution from the second solution tank 10-5 flows into 18-3 and flows from the flow channel of the first one-way valve 18-2 into the flow channel 18-1 to mix with the Mn solution. The CoMn mixed solution in the flow channel 18-1 and the Co solution in the flow channel 18-3 are sprayed onto the carrier copper sheet. The obtained electrodeposition sample is as shown in FIG. Figure 11 shown.

Claims

1. A multi-channel jet electrodeposition device, characterized in that: The invention comprises a first guide rail (1), a second guide rail (16) and a nozzle (18), wherein the first guide rail (1) is slidably connected to both ends of the second guide rail (16) by means of a slider (2), and the nozzle (18) is movably mounted on the second guide rail (16), and the nozzle (18) is connected to the liquid suction pump (8) through a return pipe (11) and is connected to the liquid spray pump (13) through a liquid infusion pipe (12); the nozzle (18) has multiple channels and is connected to the positive electrode of the power supply (14) and faces the bottom plate (17) whose lower end is connected to the negative electrode of the power supply (14), and the nozzle (18) is connected to the solution tank (10) through the liquid spray pump (13) The bottom plate (17) is connected to the solution tank (10) via the liquid suction pump (8), and the liquid spray pump (13) and the liquid suction pump (8) are respectively connected to the controller (9); the nozzle (18) includes a first flow channel (18-1), a first one-way valve (18-2), a second flow channel (18-3), a third flow channel (18-4), a second one-way valve (18-5), a third one-way valve (18-6), a first nozzle (18-7) and a second nozzle (18-8), wherein the first flow channel (18-1) is connected to the first nozzle (18-7), and the first flow channel (18-1) is provided with a nozzle connected to the third flow channel (18 -4), and the inlet end is connected to the flow channel controlled by the second valve switch (10-2), the first one-way valve (18-2) is arranged on the first branch, a second one-way valve (18-5) is provided at the connection between the third flow channel (18-4) and the second flow channel (18-3), and the inlet end is connected to the flow channel controlled by the first valve switch (10-1), a second branch connected to the third flow channel (18-4) is provided at the second one-way valve (18-5), a third one-way valve (18-6) is provided on the second branch, and the second flow channel (18-3) is connected to the second nozzle (18-8); the The relationship between the valve cylinder areas S1, S2, S3 of the first one-way valve (18-2), the second one-way valve (18-5) and the third one-way valve (18-6) and the elastic coefficients K1, K2, K3 of the springs in the respective valves is: ai=Si×Ki×Xi, where ai is the opening pressure of the one-way valve, Xi is the compression amount of the spring, and i=1, 2, 3; the opening pressures of the first one-way valve (18-2), the second one-way valve (18-5) and the third one-way valve (18-6) are a1=0.07~0.1MPa, a2=0.01~0.08MPa, and a3=0.12~0.2MPa, respectively.

2. The multi-channel jet electrodeposition device according to claim 1, characterized in that: The invention also includes a support frame (7), wherein the support frame (7) is composed of a base and columns arranged at the four corners of the base, a vertical positioning device is installed on the support frame (7), and the bottom plate (17) is placed on the vertical positioning device; the first guide rail (1) and the second guide rail (16) are installed on the columns of the support frame (7), and the first guide rail (1) and the second guide rail (16) are installed with a positioning device (15), and the positioning device (15) includes a first roller (15-1), a second roller (15-2), a first belt (15-3), and a second belt (15-4), the first roller (15-1) and the second roller (15-2) are installed on the columns of the support frame (7), the first belt (15-3) is sleeved on the large shafts of the first roller (15-1) and the second roller (15-2), and the second belt (15-4) passes through the nozzle (18) and is sleeved on the small shafts of the first roller (15-1) and the second roller (15-2).

3. The multi-channel jet electrodeposition device according to claim 2, characterized in that: The vertical positioning device comprises a base (3), a lead screw (4), a motor (5), and a motor switch (6); the motor switch (6) is mounted on a base of a bracket (7); the lead screw (4) is vertically mounted on the base of the bracket (7); a motor (5) is mounted on the bottom end; the motor (5) and the motor switch (6) are electrically connected; the base (3) is movably mounted on the lead screw (4); and the bottom plate (17) is placed on the base (3); an electrolyte inflow hole is provided on the surface of the base (3), and an electrolyte flow channel is provided inside the base (3).

4. The multi-channel jet electrodeposition device according to claim 1, characterized in that: The solution tank (10) comprises a first valve switch (10-1), a second valve switch (10-2), a first solution tank (10-3), a reflux tank (10-4), a second solution tank (10-5) and a temperature control device (10-6); the first solution tank (10-3) and the second solution tank (10-5) are connected to a spray pump (13); the first solution tank (10-3) is connected to the first valve switch (10-1); the second solution tank (10-5) is connected to the second valve switch (10-2); the reflux tank (10-4) is connected to a suction pump (8); and the temperature control device (10-6) is arranged at the bottom of the first solution tank (10-3) and the second solution tank (10-5).

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