Portable nickel electroplating device and method for in-situ remediation

Abstract

The invention provides a portable nickel electroplating device and method for in-situ repair, and relates to the technical field of electroplating repair. According to the nickel electroplating device, firstly, in-situ fixing and repairing of the nickel plating layer of the damaged workpiece by the nickel electroplating device are achieved through the vacuum fixing module, the cost caused by disassembly of the damaged workpiece and secondary damage caused by movement of the damaged workpiece are avoided, and portability is achieved; then, a replaceable customized electroplating mold module is adopted, directional repair is achieved for damaged areas of different shapes, and the application range is wider; and finally, the electroplating liquid storage module and the nickel electroplating device are integrally designed, the electroplating liquid is directly pressed into the customized electroplating mold module through the electroplating liquid injection module, and the nickel electroplating technological process is simplified.

Description

Technical Field

[0001] The present invention relates to the technical field of electroplating repair, and in particular to a portable nickel electroplating device and method for in-situ repair. Background Art

[0002] Nickel plating, as a surface treatment technology, has the functions of protection, decoration and surface modification. The main nickel plating methods are electroplating and chemical nickel plating. Compared with chemical nickel plating, electroplating relies on external current drive, has a faster plating rate, mature technology, and low cost. It is suitable for large-scale industrial production and has great prospects for industrial application.

[0003] Currently, nickel electroplating equipment primarily consists of traditional fixed-trough equipment and special-purpose nickel electroplating equipment. The traditional fixed-trough equipment is currently the most commonly used equipment for dark and bright nickel electroplating in the industry. Its core components include a stainless steel trough, an adjustable current rectifier, and anode and cathode hangers. However, for components such as automotive engine crankshafts and valves, which require tightness after assembly and require complex disassembly and recalibration, the immovable design of the fixed-trough equipment undoubtedly increases the difficulty of equipment operation and reduces work efficiency. Furthermore, it cannot prevent secondary damage to the workpiece during disassembly. Summary of the Invention

[0004] To solve the problems in the above-mentioned prior art, the present invention provides a portable nickel electroplating device and method for in-situ repair. The invention first realizes the in-situ fixed repair of the nickel plating layer of the damaged workpiece by the nickel electroplating device through a vacuum fixing module, avoiding the cost of disassembling the damaged workpiece and the secondary damage caused by moving the damaged workpiece, and has portability; then, a replaceable customized electroplating mold module is used to achieve directional repair for damaged areas of different shapes, which has a wider range of applications; finally, the electroplating liquid storage module and the nickel electroplating device are integrated into a design, and the electroplating liquid is directly pressed into the customized electroplating mold module through the electroplating liquid injection module, which simplifies the nickel electroplating process. To achieve the above purpose, the technical solution is as follows: In one aspect, the present invention provides a portable nickel electroplating device for in-situ repair, the device comprising: Electroplating insulation frame module, used to provide insulation support and fixation for electroplating nickel equipment; The electroplating solution storage module is used to store the electroplating solution and perform electroplating solution replacement, addition and cleaning processes; An electroplating liquid injection module is used to inject the electroplating liquid in the electroplating liquid storage module into the customized electroplating mold module; The customized electroplating mold module is used to provide a customized repair mold according to the shape of the damaged area of the damaged workpiece; a vacuum fixing module, used for fixing and removing the damaged area of the damaged workpiece; An electroplating power module, used for providing electroplating power and electrical circuits for the nickel electroplating device; The damaged workpiece is used as a cathode electrode of the nickel electroplating device.

[0005] Optionally, the electroplated insulation frame module comprises: An insulating shell, used to provide structural support and insulation protection for the nickel electroplating device, wherein the insulating shell is an openable structure, and the electroplating liquid storage module can be taken out by opening the insulating shell; The housing handle is used to open and close the insulating housing, and the housing handle is fixed to one side of the insulating housing.

[0006] An adjusting button is used to fix and remove the electroplating power module and the customized electroplating mold module, and the adjusting button is installed at the lower part of the electroplating insulation frame module.

[0007] Optionally, the electroplating solution storage module includes: An anti-slip seat, used to fix the electroplating liquid storage tank, the anti-slip seat is fixedly installed inside the electroplating insulation frame module; The electroplating liquid storage tank is used to store the electroplating liquid and is detachably fixed inside the electroplating insulation frame module via the anti-slip seat.

[0008] Optionally, a movable piston is provided at the bottom of the electroplating liquid storage tank. When the electroplating liquid storage tank is removed, the movable piston sinks to prevent the electroplating liquid from flowing out. When the electroplating liquid storage tank is installed, the movable piston is lifted up and the electroplating liquid flows into the customized electroplating mold module.

[0009] Optionally, the electroplating solution injection module includes: a transmission rod, a knob and a piston; The transmission rod is connected to the electroplated insulation frame module through a threaded pair. The transmission rod moves up and down by relying on the threaded pair. The knob is installed on the upper part of the transmission rod. The knob displays the height of the transmission rod's up and down movement by rotating the scale. The piston is connected to the transmission rod, and the transmission rod moves downward, driving the piston to move downward. The piston presses the electroplating fluid into the customized electroplating mold module.

[0010] Optionally, the customized electroplating mold module includes: An electroplating mold, used as a detachable shell of the customized electroplating mold module, the electroplating mold is an annular structure with upper and lower openings; An annular anode plate, used to fix the electroplating mold and serve as the anode material of the nickel electroplating device; A customized water-absorbing material is used to provide a plating solution carrier for the damaged workpiece, and the shape of the customized water-absorbing material is customized according to the shape of the damaged area of the damaged workpiece; The customized water-absorbing material can be installed in the electroplating mold. After installation, the upper surface of the customized water-absorbing material is connected to the annular anode plate, and the lower surface of the customized water-absorbing material is in contact with the damaged area of the damaged workpiece.

[0011] Optionally, the annular anode plate comprises: a cylindrical hole, a stepped surface and a small diameter sleeve; The annular anode plate is installed inside the electroplating mold. The annular anode plate is stepped. The cylindrical hole is located in the middle of the annular anode plate. The stepped surface contacts the upper surface of the electroplating mold. The small-diameter sleeve extends out of the electroplating mold and is used for electrical connection and structural fixation of the annular anode plate and the electroplating power module. Under the action of the electroplating liquid injection module, the electroplating liquid enters the customized water-absorbing material through the cylindrical hole, and finally achieves full contact between the electroplating liquid, the annular anode plate and the damaged workpiece.

[0012] Optionally, the vacuum fixing module includes: A flexible material suction cup, used for absorbing the damaged workpiece, wherein the upper end of the flexible material suction cup is connected to the lower end of the electroplating insulation frame module; a vacuum pump for evacuating the space between the flexible material suction cup and the damaged workpiece; Control valve, used to control airflow, realize vacuum control and restore pressure control; a vacuum pressure gauge, used to detect the vacuum degree between the flexible material suction cup and the damaged workpiece; An exhaust pipe is used to connect the control valve and the flexible material suction cup.

[0013] Optionally, the electroplating power module includes: A power supply, used for providing electroplating power to the nickel electroplating device; A switch, used to control the electrical on and off of the nickel electroplating device and connected to the positive pole of the power supply; A current collector, used to connect the annular anode plate and the anode wire and provide a uniform current to the customized electroplating mold module; an anode wire, used for connecting the switch and the current collector; The cathode wire is used to connect the negative electrode of the power supply and the damaged workpiece.

[0014] On the other hand, the present invention provides a portable nickel electroplating method for in-situ repair, which is implemented by a portable nickel electroplating device for in-situ repair, and the method comprises: S1. Add the prepared electroplating solution into the electroplating solution storage tank and place it into the unused nickel electroplating device to obtain the first-stage nickel electroplating device; S2. Obtaining a customized electroplating water-absorbing material according to the shape of the damaged area of the damaged workpiece; S3, fixing the customized electroplating water-absorbing material to the insulating shell of the first-stage nickel electroplating device through an adjusting button to obtain a second-stage nickel electroplating device; S4, placing the damaged workpiece in the second-stage nickel electroplating apparatus and evacuating the workpiece to obtain a third-stage nickel electroplating apparatus; S5. According to the third-stage nickel electroplating apparatus, the knob of the electroplating solution injection module is rotated to press a predetermined amount of electroplating liquid into the customized electroplating water-absorbing material according to the scale of the knob, thereby obtaining a fourth-stage nickel electroplating apparatus; S6. According to the fourth-stage nickel electroplating device, the cathode wire of the power supply is connected to the damaged workpiece, and the switch is closed to perform nickel plating to obtain a repaired damaged workpiece.

[0015] Compared with the prior art, the technical solution of the present invention has at least the following beneficial effects: On the one hand, the above solution reduces the cost of disassembling the workpiece and secondary damage through in-situ repair methods, reduces the cost of equipment use, and improves work efficiency; on the other hand, it customizes special molds according to the size and shape of the damaged area of the workpiece, and realizes targeted repair for defects of different shapes, which has a wider range of applications; on the other hand, it adopts an integrated design of electroplating liquid storage equipment and nickel electroplating device, and directly introduces the electroplating liquid into the electroplating mold, simplifying the nickel plating process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a device block diagram of an embodiment of a portable nickel electroplating device for in-situ repair according to the present invention; Figure 2 2. It is a schematic structural diagram of the working state of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention; Figure 3 2. It is a schematic structural diagram of a portable nickel electroplating device for in-situ repair according to an embodiment of the present invention in a standby state; Figure 4 It is a schematic diagram of the enlarged structure of the knob portion of the electroplating solution injection module of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention; Figure 5 This is an enlarged bottom schematic diagram of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention in a standby state; Figure 6 It is a flow chart of an embodiment of the portable nickel electroplating method for in-situ repair of the present invention.

[0018] Explanation of the numbers in the figure: knob 1, insulating shell 2, anti-slip seat 3, electroplating solution storage tank 4, movable piston 5, shell handle 6, adjusting knob 7, vacuum pump 8, control valve 9, vacuum pressure gauge 10, exhaust pipe 11, flexible material suction cup 12, power supply 13, switch 14, cathode wire 15, current collector 16, annular anode plate 17, customized water-absorbing material 18, damaged workpiece 19, transmission rod 20, piston 21, anode wire 22, electroplating mold 23, dial 101, pointer 102, rotating handle 103. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is described below in conjunction with the accompanying drawings.

[0020] In the embodiments of the present invention, words such as "exemplarily" and "for example" are used to indicate examples, illustrations, or explanations. Any embodiment or design described as an "exemplary" in the present invention should not be interpreted as being preferred or advantageous over other embodiments or designs. Rather, the use of the word "exemplary" is intended to present concepts in a concrete manner. Furthermore, in the embodiments of the present invention, "and / or" can mean both or either of the two.

[0021] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0022] like Figure 1 The device block diagram of the embodiment of the portable nickel electroplating device for in-situ repair of the present invention is shown in FIG. Figure 2 The working state structure diagram of the portable nickel electroplating device for in-situ repair of the present invention is shown in FIG. Figure 3 The portable nickel electroplating device for in-situ repair of the present invention is shown in a schematic diagram of a standby state structure of an embodiment of the present invention. The present invention provides a portable nickel electroplating device for in-situ repair, which can implement a portable nickel electroplating method for in-situ repair. The device includes: an electroplating insulation frame module, an electroplating liquid storage module, an electroplating liquid injection module, a customized electroplating mold module, a vacuum fixing module, an electroplating power module, and a damaged workpiece; specifically, Electroplating insulation frame module, used to provide insulation support and fixation for each module of the nickel electroplating device; Specifically, the electroplated insulation frame module includes: Insulation shell 2 provides structural support for each module of the nickel electroplating device and provides insulation protection for the electrical part. The insulation shell is an openable structure. By opening the insulation shell, the electroplating liquid storage module can be taken out; A housing handle 6 is fixed to one side of the insulating housing 2 , and the insulating housing 2 can be opened through the housing handle 6 .

[0023] The adjusting button 7 is installed at the lower part of the insulating shell 2. By adjusting the adjusting button 7, the electroplating power module and the customized electroplating mold module can be fixed, and the customized electroplating mold module can be disassembled.

[0024] The plating liquid storage module is used to store the plating liquid and realize the replacement, addition and cleaning of the plating liquid through the movable design; Specifically, the electroplating solution storage module includes: An anti-slip seat 3 is fixed inside the electroplating insulation frame module and is used to fix the electroplating liquid storage tank 4; The electroplating liquid storage tank 4 is used to store the electroplating liquid and is fixed inside the electroplating insulating frame module through the anti-slip seat 3. It is designed to be removable. By opening the electroplating insulating frame module, the electroplating liquid storage tank 4 can be taken out to replace, add, or clean the electroplating liquid. Furthermore, there is a movable piston 5 at the bottom of the electroplating liquid storage tank 4. When the customized electroplating mold module is not installed, the nickel electroplating device is in a standby state. Figure 3 The diagram shows the standby state structure of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention. In the standby state, the movable piston 5 sinks to the bottom to prevent the electroplating liquid from flowing out; after the customized electroplating mold module is installed, the nickel electroplating device enters the working state, the movable piston 5 is lifted up, and the electroplating liquid in the electroplating liquid storage tank 4 flows into the customized electroplating mold module.

[0025] An electroplating liquid injection module is used to inject the electroplating liquid in the electroplating liquid storage module into the customized electroplating mold module; Specifically, the electroplating solution injection module includes: Transmission rod 20: connected to the insulation shell 2 of the electroplating insulation frame module through a threaded pair. By rotating the transmission rod 20, the transmission rod 20 is moved up and down by relying on the threaded pair; The knob 1 is mounted on the upper part of the transmission rod 20 and has a display scale. The rotation of the scale indicates the descending height of the transmission rod 20. Furthermore, if Figure 4 The diagram shows an enlarged structural diagram of the knob portion of the electroplating solution injection module of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention. The knob 1 includes a dial 101, a pointer 102, and a rotating handle 103, wherein the scale unit is mm; The piston 21 is connected to the transmission rod 20 , and moves downward through the transmission rod 20 , driving the piston 21 to move downward in the electroplating liquid storage tank 4 , thereby pressing a certain amount of electroplating liquid into the electroplating liquid storage tank 4 .

[0026] The customized electroplating mold module is used to provide a customized repair mold according to the shape of the damaged area of the damaged workpiece; The electroplating mold 23 is a detachable design on the nickel electroplating device, serving as the shell of the customized electroplating mold module. It is annular and has upper and lower openings. The annular anode plate 17 is used as the anode material of the nickel electroplating device and is used to fix the electroplating mold 23; The customized water-absorbing material 18 is customized in shape according to the damaged area of the damaged workpiece 19 to provide a carrier for the electroplating solution for the directional repair of the damaged workpiece 19. The customized water-absorbing material 18 can be installed in the electroplating mold 23. After installation, the upper surface of the customized water-absorbing material 18 is connected to the annular anode plate 17. After the vacuum fixing module fixes the damaged workpiece 19, the lower surface of the customized water-absorbing material 18 contacts the damaged plating area of the damaged workpiece 19. Furthermore, the annular anode plate 17 is installed inside the electroplating mold 23; the annular anode plate 17 is stepped, with a cylindrical hole in the middle and a stepped outer circle. The stepped surface of the annular anode plate 17 contacts the upper surface of the electroplating mold 23, and the upper small-diameter sleeve portion of the annular anode plate 17 extends out of the electroplating mold 23, which is used for the electrical connection and structural fixation of the annular anode plate 17 and the electroplating power module; the electroplating liquid of the electroplating liquid storage module can enter the customized water-absorbing material 18 of the customized electroplating mold module through the cylindrical hole of the annular anode plate 17 under the action of the electroplating liquid injection module, and finally achieve full contact between the electroplating liquid and the annular anode plate 17, and the electroplating liquid and the damaged workpiece 19, providing an electrical path for electroplating.

[0027] A vacuum fixing module, used for fixing and removing the nickel electroplating device on the damaged area of the damaged workpiece; Specifically, the vacuum fixing module includes: A flexible material suction cup 12, the upper end of which is connected to the lower end of the insulating shell 2 of the electroplating insulating frame module, and the lower end of which can be used to absorb the surface of the damaged workpiece 19; a vacuum pump 8 for evacuating the space between the flexible material suction cup 12 and the surface of the damaged workpiece 19; Control valve 9, used to control the airflow, realize vacuum control and restore pressure control; A vacuum pressure gauge 10 is used to detect the vacuum degree between the flexible material suction cup 12 and the surface of the damaged workpiece 19; The exhaust pipe 11 is used to connect the control valve 9 and the flexible material suction cup 12 .

[0028] Furthermore, the electroplating power module is used to provide electroplating power and electrical circuits for the nickel electroplating device; Specifically, the electroplating power module includes: Power supply 13, providing electroplating power to the nickel electroplating device; Switch 14, controls the electrical on / off of the nickel electroplating device and is connected to the positive pole of the power supply 13; The current collector 16 is connected to the customized electroplating mold module to provide uniform current to the annular anode plate 17 of the customized electroplating mold module; an anode wire 22 connecting the switch 14 and the current collector 16; The cathode wire 15 connects the negative electrode of the power source 13 and the damaged workpiece 19 .

[0029] Furthermore, if Figure 5 The diagram shown is an enlarged schematic diagram of the bottom of an embodiment of the portable nickel electroplating device for in-situ repair of the present invention in standby mode, and an enlarged schematic diagram of the bottom of the nickel electroplating device in standby mode.

[0030] The damaged workpiece 19 is used as a cathode electrode of a nickel electroplating device.

[0031] like Figure 6 The flowchart of an embodiment of the portable nickel electroplating method for in-situ repair of the present invention is shown. The present invention provides a portable nickel electroplating method for in-situ repair, which is implemented by a portable nickel electroplating device for in-situ repair. The method includes: S1. Add the prepared electroplating solution into the electroplating solution storage tank and place it into the unused nickel electroplating device to obtain the first-stage nickel electroplating device; S2. Obtaining a customized electroplating water-absorbing material according to the shape of the damaged area of the damaged workpiece; S3, fixing the customized electroplating water-absorbing material to the insulating shell of the first-stage nickel electroplating device through an adjusting button to obtain a second-stage nickel electroplating device; S4, placing the damaged workpiece in the second-stage nickel electroplating apparatus and evacuating the workpiece to obtain a third-stage nickel electroplating apparatus; S5. According to the third-stage nickel electroplating apparatus, the knob of the electroplating solution injection module is rotated to press a predetermined amount of electroplating liquid into the customized electroplating water-absorbing material according to the scale of the knob, thereby obtaining a fourth-stage nickel electroplating apparatus; S6. According to the fourth-stage nickel electroplating device, the cathode wire of the power supply is connected to the damaged workpiece, and the switch is closed to perform nickel plating to obtain a repaired damaged workpiece.

[0032] Specifically, for microelectronic components, the electroplating process is as follows: Select 300 g L -1 Nickel sulfamate, 15 g L -1 Nickel chloride and 40 g L -1 Add the boric acid-based plating solution to the plating solution storage tank and place it in the nickel plating device. Select a suitable plating mold and install the nickel plate as the anode plate on the nickel plating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 1 mL of plating solution into the plating mold at a time. Turn on the power supply and select the DC current mode, and pass 2 A dm-2 The current density was 0.01 and the electroplating was carried out for 5 min. After the electroplating was completed, the power was turned off and the control valve was adjusted to restore the pressure inside the device to atmospheric pressure. The remaining electroplating solution was processed to obtain a low-stress and smooth nickel coating.

[0033] For dental drill workpieces, the electroplating process is as follows: Select 350 g L -1 Nickel sulfate, 60 g L -1 Nickel chloride, 50 g L -1 Boric acid and 2 g L -1 Add the electroplating solution composed of nano-alumina dispersion to the electroplating solution storage tank and place it in the nickel electroplating device. Select a suitable electroplating mold and install the nickel plate as the anode plate on the nickel electroplating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 5 mL of electroplating solution into the electroplating mold at a time. Turn on the power supply and select the pulse current mode, and pass 5 A dm -2 The current density was 0.01 and the duty cycle was 0.3, and the electroplating was carried out for 10 minutes. After the electroplating was completed, the power was turned off, and the control valve was adjusted to restore the pressure inside the device to atmospheric pressure, and the remaining electroplating solution was processed to obtain a uniform and wear-resistant nickel coating.

[0034] For dental drill workpieces, the electroplating process is as follows: For gear workpieces, select 320 g L -1 Nickel sulfate, 50 g L -1 Nickel chloride, 25 g L -1 Boric acid and 0.5 gL -1 Add the plating solution composed of sodium dodecyl sulfate to the plating solution storage tank and place it in the nickel plating device. Select a suitable plating mold and install the nickel plate as the anode on the nickel plating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 15 mL of plating solution into the plating mold at a time. Turn on the power supply and select the pulse current mode, and pass 8 A dm -2 The forward current density is 0.5 A dm, the duty cycle is 0.4, and then 0.5 A dm -2 The current density was reversed, the duty cycle was 0.9, and the plating was carried out for 20 minutes. After the plating was completed, the power was turned off, the control valve was adjusted to restore the pressure inside the device to atmospheric pressure, and the remaining plating solution was processed to obtain a uniform bright nickel coating.

[0035] For automobile engine crankshaft workpieces, the electroplating process is as follows: Select 250 g L -1 Nickel sulfamate, 10 g L -1 Nickel chloride, 30 g L -1 Sodium hypophosphite, 30 g L -1 Boric acid and 20g L -1Adjust the pH of the plating solution composed of sodium citrate to 4.5, add it to the plating solution storage tank, and place it in the nickel plating device. Select a suitable plating mold and install the nickel plate as the anode plate on the nickel plating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 30 mL of plating solution into the plating mold at a time. Turn on the power supply and select the DC current mode, and pass 5 A dm -2 The current density was 0.0477 W / m and the electroplating was carried out for 30 min. After the electroplating was completed, the power was turned off, the control valve was adjusted to restore the pressure inside the device to atmospheric pressure, and the remaining electroplating solution was processed to obtain a wear-resistant and corrosion-resistant nickel coating.

[0036] For guide rail slider workpieces, the electroplating process is as follows: Select 300 g L -1 Nickel sulfate, 15 g L -1 Nickel chloride, 45 g L -1 Boric acid and 10 g L -1 Add the electroplating solution composed of nano-silicon carbide to the electroplating solution storage tank and place it in the nickel electroplating device. Select a suitable electroplating mold and install the nickel plate as the anode plate on the nickel electroplating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 50 mL of electroplating solution into the electroplating mold at a time. Turn on the power supply and select the DC current mode, and pass 4 A dm -2 The current density was 0.000, the duty cycle was 0.2, and the electroplating was carried out for 60 minutes. After the electroplating was completed, the power was turned off, the control valve was adjusted to restore the pressure inside the device to atmospheric pressure, and the remaining electroplating solution was processed to obtain a nickel coating with high hardness and low friction coefficient.

[0037] For centrifugal pump impeller workpieces, the electroplating process is as follows: Select 330 g L -1 Nickel sulfamate, 5 g L -1 Nickel chloride, 20 g L -1 Sodium molybdate, 10 g L -1 Nano-alumina and 20 g L -1 Adjust the pH of the plating solution composed of citric acid to 4, add it to the plating solution storage tank, and place it in the nickel plating device. Select a suitable plating mold and install the nickel plate as the anode plate on the nickel plating device. Turn on the vacuum pump to evacuate the vacuum, rotate the transmission device, and press 80 mL of plating solution into the plating mold at a time. Turn on the power supply and select the DC current mode, and pass 5 A dm -2 The current density was 0.0477 W / m and the electroplating was carried out for 90 min. After the electroplating was completed, the power was turned off, the control valve was adjusted to restore the pressure inside the device to atmospheric pressure, and the remaining electroplating solution was processed to obtain a corrosion-resistant and erosion-resistant nickel coating.

[0038] The present invention provides a portable nickel electroplating device and method for in-situ repair. The invention first realizes the in-situ fixed repair of the nickel plating layer of a damaged workpiece by the nickel electroplating device through a vacuum fixing module, avoiding the cost of disassembling the damaged workpiece and the secondary damage caused by moving the damaged workpiece, and has portability; then, a replaceable customized electroplating mold module is used to achieve directional repair of damaged areas of different shapes, which has a wider range of applications; finally, an integrated design of the electroplating liquid storage module and the nickel electroplating device is adopted, and the electroplating liquid is directly pressed into the customized electroplating mold module through the electroplating liquid injection module, which simplifies the nickel electroplating process flow.

[0039] It will be appreciated that the present invention is described by way of the above embodiments and should not be construed as limiting the embodiments of the present invention and the scope of the present invention. It will be appreciated by those skilled in the art that various changes or equivalent replacements may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application fall within the scope protected by the present invention.

Claims

1. A portable nickel electroplating device for in-situ repair, characterized in that: The device comprises: Electroplating insulation frame module, used to provide insulation support and fixation for electroplating nickel equipment; The electroplating solution storage module is used to store the electroplating solution and perform electroplating solution replacement, addition and cleaning processes; An electroplating liquid injection module, used to inject the electroplating liquid in the electroplating liquid storage module into the customized electroplating mold module; The customized electroplating mold module is used to provide a customized repair mold according to the shape of the damaged area of the damaged workpiece; a vacuum fixing module, used for fixing and removing the damaged area of the damaged workpiece; An electroplating power module, used for providing electroplating power and electrical circuits for the nickel electroplating device; The damaged workpiece is used as a cathode electrode of the nickel electroplating device.

2. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The electroplating insulation frame module comprises: An insulating shell, used to provide structural support and insulation protection for the nickel electroplating device, wherein the insulating shell is an openable structure, and the electroplating liquid storage module can be taken out by opening the insulating shell; a housing handle, used for opening and closing the insulating housing, wherein the housing handle is fixed to one side of the insulating housing; An adjusting button is used to fix and remove the electroplating power module and the customized electroplating mold module, and the adjusting button is installed at the lower part of the electroplating insulation frame module.

3. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The electroplating solution storage module comprises: An anti-slip seat, used to fix the electroplating liquid storage tank, the anti-slip seat being fixedly installed inside the electroplating insulation frame module; The electroplating liquid storage tank is used to store the electroplating liquid and is detachably fixed inside the electroplating insulation frame module via the anti-slip seat.

4. The portable nickel electroplating device for in-situ repair according to claim 3, characterized in that: A movable piston is provided at the bottom of the electroplating liquid storage tank. When the electroplating liquid storage tank is taken out, the movable piston sinks to prevent the electroplating liquid from flowing out. When the electroplating liquid storage tank is installed, the movable piston is lifted up and the electroplating liquid flows into the customized electroplating mold module.

5. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The electroplating solution injection module includes: a transmission rod, a knob and a piston; The transmission rod is connected to the electroplated insulation frame module through a threaded pair, and the transmission rod moves up and down by relying on the threaded pair. The knob is installed on the upper part of the transmission rod, and the knob displays the height of the transmission rod's up and down movement by rotating the scale; The piston is connected to the transmission rod, and the transmission rod moves downward, driving the piston to move downward. The piston presses the electroplating fluid into the customized electroplating mold module.

6. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The customized electroplating mold module includes: An electroplating mold, used as a detachable shell of the customized electroplating mold module, wherein the electroplating mold is an annular structure with upper and lower openings; an annular anode plate, used to fix the electroplating mold and serve as the anode material of the nickel electroplating device; A customized water-absorbing material is used to provide a plating solution carrier for the damaged workpiece, and the shape of the customized water-absorbing material is customized according to the shape of the damaged area of the damaged workpiece; The customized water-absorbing material can be installed in the electroplating mold. After installation, the upper surface of the customized water-absorbing material is connected to the annular anode plate, and the lower surface of the customized water-absorbing material is in contact with the damaged area of the damaged workpiece.

7. The portable nickel electroplating device for in-situ repair according to claim 6, characterized in that: The annular anode plate comprises: a cylindrical hole, a step surface and a small diameter sleeve; The annular anode plate is installed inside the electroplating mold. The annular anode plate is stepped. The cylindrical hole is located in the middle of the annular anode plate. The stepped surface contacts the upper surface of the electroplating mold. The small-diameter sleeve extends out of the electroplating mold and is used for electrical connection and structural fixation of the annular anode plate and the electroplating power module. Under the action of the electroplating liquid injection module, the electroplating liquid enters the customized water-absorbing material through the cylindrical hole, and finally achieves full contact between the electroplating liquid, the annular anode plate and the damaged workpiece.

8. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The vacuum fixing module comprises: A flexible material suction cup, used for absorbing the damaged workpiece, wherein the upper end of the flexible material suction cup is connected to the lower end of the electroplating insulation frame module; a vacuum pump for evacuating the space between the flexible material suction cup and the damaged workpiece; Control valve, used to control airflow, realize vacuum control and restore pressure control; a vacuum pressure gauge for detecting the vacuum degree between the flexible material suction cup and the damaged workpiece; An exhaust pipe is used to connect the control valve and the flexible material suction cup.

9. The portable nickel electroplating device for in-situ repair according to claim 1, characterized in that: The electroplating power module comprises: A power supply, used to provide electroplating power to the nickel electroplating device; A switch, used to control the electrical on and off of the nickel electroplating device and to connect the positive electrode of the power supply; a current collector for connecting the annular anode plate and the anode wire and providing a uniform current to the customized electroplating mold module; an anode wire, used to connect the switch and the current collector; The cathode wire is used to connect the negative electrode of the power supply and the damaged workpiece.

10. A portable nickel electroplating method for in-situ repair, wherein the portable nickel electroplating method for in-situ repair is implemented by the portable nickel electroplating device for in-situ repair according to any one of claims 1 to 9, characterized in that: The method comprises: S1. Add the prepared electroplating solution into the electroplating solution storage tank and place it into the unused nickel electroplating device to obtain the first-stage nickel electroplating device; S2. Obtaining a customized electroplating water-absorbing material according to the shape of the damaged area of the damaged workpiece; S3, fixing the customized electroplating water-absorbing material to the insulating shell of the first-stage nickel electroplating device through an adjusting button to obtain a second-stage nickel electroplating device; S4, placing the damaged workpiece according to the second-stage nickel electroplating apparatus and evacuating the workpiece to obtain a third-stage nickel electroplating apparatus; S5. According to the third-stage nickel electroplating apparatus, the knob of the electroplating solution injection module is rotated to press a predetermined amount of electroplating liquid into the customized electroplating water-absorbing material according to the scale of the knob, thereby obtaining a fourth-stage nickel electroplating apparatus; S6. According to the fourth-stage nickel electroplating device, the cathode wire of the power supply is connected to the damaged workpiece, and the switch is closed to perform nickel plating to obtain a repaired damaged workpiece.

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