CN114481276A - Electroplating device and method for surface corrosion resistance double-coating of neodymium iron boron magnet - Google Patents
Electroplating device and method for surface corrosion resistance double-coating of neodymium iron boron magnet Download PDFInfo
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- 238000009713 electroplating Methods 0.000 title claims abstract description 195
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 74
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 230000007797 corrosion Effects 0.000 title claims abstract description 49
- 238000005260 corrosion Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003792 electrolyte Substances 0.000 claims abstract description 70
- 239000000126 substance Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/02—Tanks; Installations therefor
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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
- C25D17/02—Tanks; Installations therefor
- C25D17/04—External supporting frames or structures
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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
- C25D17/10—Electrodes, e.g. composition, counter electrode
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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
- C25D17/16—Apparatus for electrolytic coating of small objects in bulk
- C25D17/18—Apparatus for electrolytic coating of small objects in bulk having closed containers
- C25D17/20—Horizontal barrels
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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
- C25D21/14—Controlled addition of electrolyte components
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- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses an electroplating device and method for a surface corrosion-resistant double-coating of a neodymium iron boron magnet, and the electroplating device comprises an electroplating device body, an electroplating barrel and a motor pump unit, wherein an electrolyte tank is arranged in the electroplating device body, a cathode bracket is arranged on one side of the upper surface of the electroplating device body, an anode bracket is arranged on one side of the upper surface of the electroplating device body, which is far away from the cathode bracket, a cathode bar extends into the electrolyte tank, and the anode bar extends into the electrolyte tank; according to the electroplating device with the double corrosion-resistant coatings on the surfaces of the neodymium iron boron magnets, the electrolyte in the electrolyte tank is in contact with the surfaces of the neodymium iron boron magnets to generate the corrosion-resistant coatings more quickly due to the distribution of the plurality of cathode rods and the plurality of anode rods, the working efficiency is improved, the chemical adding barrel is arranged on the upper surface of the second mounting plate, the ultra-large chemical adding barrel can contain more electrolyte at one time, the mixing rod and the rotary rod can be used for mixing the electrolyte more uniformly, workers can clean the chemical adding barrel conveniently, and the quality of the next electroplating work is guaranteed.
Description
Technical Field
The invention relates to the technical field of electroplating devices, in particular to an electroplating device and an electroplating method for a surface corrosion-resistant double coating of a neodymium iron boron magnet.
Background
The Nd-Fe-B serving as one of rare earth permanent magnet materials has extremely high magnetic energy and coercive force, and the advantage of high energy density enables the Nd-Fe-B permanent magnet material to be widely applied to modern industry and electronic technology, so that miniaturization, light weight and thinning of instruments, electro-acoustic motors, magnetic separation magnetization and other equipment become possible. The neodymium iron boron has the advantages of high cost performance and good mechanical property; the defects of low working temperature, poor temperature characteristic and easy pulverization and corrosion are that the requirements of practical application can be met only by adjusting the chemical components and adopting certain treatment to improve the relevant performance.
In the prior art, in the production process of the neodymium iron boron magnet, in order to improve the surface resistance of the neodymium iron boron magnet, electroplating treatment needs to be carried out on the neodymium iron boron magnet, but in the electroplating process of the conventional neodymium iron boron magnet electroplating equipment, as certain non-uniformity is frequently generated in the contact process of electrolyte and the neodymium iron boron magnet, the corrosion-resistant coating on the surface of the neodymium iron boron magnet is not uniformly distributed, so that the overall corrosion resistance of the neodymium iron boron magnet is reduced; as the ndfeb magnet is more and more widely used, the requirement for the processing technology and quality of the ndfeb magnet is higher and higher, and therefore, research and development improvement on the electroplating technology and related equipment thereof are urgently needed.
Disclosure of Invention
The invention aims to provide an electroplating device and an electroplating method for a surface corrosion-resistant double coating of a neodymium iron boron magnet.
In order to achieve the purpose, the invention provides the following technical scheme:
an electroplating device with a double-coating of surface corrosion resistance of a neodymium iron boron magnet comprises an electroplating device body, an electroplating barrel and a motor pump unit, wherein a base is fixedly arranged on the lower surface of the electroplating device body, an electrolyte tank is arranged in the electroplating device body, supporting columns are symmetrically arranged at four corners of the upper surface of the electroplating device body, the supporting columns extend upwards to be fixedly connected with the lower surface of a top plate, a cathode support is arranged on one side of the upper surface of the electroplating device body, an anode support is arranged on one side of the upper surface of the electroplating device body away from the cathode support, fixing components are arranged at two ends of the cathode support and two ends of the anode support, the cathode support and the anode support are firmly erected on the upper surface of the electrolyte tank of the electroplating device body through the fixing components, a cathode bar is arranged on one side of the cathode support close to the electrolyte tank, the cathode bar extends into the electrolyte tank, and an anode bar is arranged on one side of the anode support close to the electrolyte tank, the anode rod extends into the electrolyte tank.
Furthermore, a first mounting plate is arranged at the center of the upper surface of the top plate, a motor pump unit is fixedly mounted on the first mounting plate, a transmission mechanism of the motor pump unit extends downwards and is fixedly connected with an electric telescopic rod, one end, far away from the motor pump unit, of the electric telescopic rod is fixedly connected with the side wall of an electroplating barrel, and the size of the electroplating barrel is matched with the size of an electrolyte tank.
Further, the outer wall of one side of the electroplating device body is fixedly provided with a controller, one side, away from the controller, of the electroplating device body is provided with a second mounting plate, the upper surface of the second mounting plate is provided with a dosing barrel, the lower surface of the second mounting plate is provided with a pipeline, and one end of the pipeline extends into the electroplating device body.
Further, add medicine barrel bottom center and be equipped with the rotary rod, the rotary rod lateral wall symmetry is equipped with the puddler, adds the other unloading hole that is equipped with of medicine barrel bottom rotary rod, and the one end zonulae occludens of electroplating device body is kept away from through valve and pipeline in the unloading hole.
Furthermore, the electroplating barrel consists of a barrel bottom cover, a first grid mesh ring, a plurality of electroplating rollers and a barrel top cover, wherein the plurality of electroplating rollers are rotationally arranged in the electroplating barrel, the barrel bottom cover is tightly connected with one end of the first grid mesh ring, and one end of the first grid mesh ring, which is far away from the barrel bottom cover, is movably connected with the barrel top cover.
Furthermore, a rotating shaft is symmetrically and fixedly arranged at four corners of one side of the barrel bottom cover, which is tightly connected with the first grid mesh ring, and is rotatably arranged on the rotating shaft, and the first rotating shaft is fixedly connected with the electroplating roller through a mounting hole.
Furthermore, the electroplating roller is composed of a roller top cover, a second grid net ring and a roller bottom cover, a mounting hole is formed in the center of the roller bottom cover, the size of the mounting hole is matched with that of the first rotating shaft, one side of the roller bottom cover is fixedly connected with the second grid net ring, and one end, far away from the roller bottom cover, of the second grid net ring is movably connected with the roller top cover.
Furthermore, a plurality of second rotating shafts are longitudinally arranged on the inner side wall of the electroplating roller in an array mode, and spiral plates are arranged outside the second rotating shafts.
Furthermore, be equipped with on the controller and control panel and master switch, the controller passes through the wire and respectively with dosing barrel, valve, electric telescopic handle, electroplating barrel and motor-pump package electric connection.
Further, the method comprises the following steps:
the method comprises the following steps: preparing an electrolyte: pouring the electrolyte ingredients into a medicine adding barrel, and uniformly stirring the ingredients in the medicine adding barrel through a rotating rod and a stirring rod;
step two: introducing an electrolyte: leading the prepared and uniformly stirred electrolyte into an electrolyte tank of the electroplating device body through a pipeline;
step three: placing a neodymium iron boron magnet: opening the barrel top cover and the roller top cover, uniformly placing the neodymium iron boron magnet into the electroplating roller, and tightly covering the barrel top cover and the roller top cover after placing;
step four: placing an electroplating barrel: the electric telescopic rod is stretched towards the direction of the electrolytic bath by operating the controller, and the electroplating barrel with the neodymium iron boron magnet is placed into the electrolytic bath;
step five: electroplating of a first layer: and opening the cathode bar and the anode bar, opening the transfer shaft of the barrel bottom cover, and driving the electroplating roller to roll at a constant speed to electroplate the first layer of corrosion-resistant coating on the neodymium iron boron magnet.
Step six: draining: after the first layer of corrosion-resistant coating is electroplated, the electric telescopic rod is stretched upwards, the electroplating barrel is lifted out of the electrolyte tank and stays for five to ten seconds, and the electrolyte in the electroplating barrel is drained;
step seven: and second layer electroplating: and after the sixth step is finished, the controller is operated to stretch the electric telescopic rod towards the direction of the electrolytic bath, the electroplating barrel filled with the neodymium iron boron magnet is placed into the electrolytic bath, the cathode bar and the anode bar are opened, the transfer shaft of the barrel bottom cover and a second rotating shaft and a spiral plate in the electroplating barrel are opened, and the neodymium iron boron magnet in the electroplating barrel is stirred by the second rotating shaft and the spiral plate to electroplate a second layer of corrosion-resistant coating.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to an electroplating device with double coatings on the surface corrosion resistance of a neodymium iron boron magnet, wherein support columns are symmetrically arranged at four corners of the upper surface of an electroplating device body, extend upwards to be fixedly connected with the lower surface of a top plate, a cathode support is arranged on one side of the upper surface of the electroplating device body, an anode support is arranged on one side of the upper surface of the electroplating device body, which is far away from the cathode support, fixing components are arranged at two ends of the cathode support and two ends of the anode support, the cathode support and the anode support are firmly erected on the upper surface of an electrolyte tank of the electroplating device body through the fixing components, cathode bars are arranged in an array on one side of the cathode support, which is close to the electrolyte tank, extend into the electrolyte tank, anode bars are arranged in an array on one side of the anode support, which is close to the electrolyte tank, and extend into the electrolyte tank; the setting of roof can prevent that the dust from falling into the condition emergence that leads to electroplating quality low in the electrolyte tank at the in-process of electroplating, and the distribution of many negative poles stick and positive pole stick makes the electrolyte in the electrolyte tank and neodymium iron boron magnet surface contact produce anticorrosive coating more fast, improves work efficiency's effect.
2. According to the electroplating device with the surface corrosion-resistant double-coating of the neodymium iron boron magnet, the upper surface of the second mounting plate is provided with the medicine adding barrel, the lower surface of the second mounting plate is provided with the pipeline, one end of the pipeline extends into the electroplating device body, the center of the bottom of the medicine adding barrel is provided with the rotary rod, the side wall of the rotary rod is symmetrically provided with the stirring rods, the side of the rotary rod at the bottom of the medicine adding barrel is provided with the discharging hole, and the discharging hole is tightly connected with one end, far away from the electroplating device body, of the pipeline through the valve; the outfit setting of super big explosive charging bucket can once only hold more electrolyte, has and need not the staff and relapse the liquid feeding, improves work efficiency, and the outfit of puddler and rotary rod can not only be more even with the electrolyte stirring, also makes things convenient for the staff to wash it, guarantees the effect of the quality of next electroplating work.
3. According to the electroplating device with the double-coating corrosion-resistant surface for the neodymium-iron-boron magnet, an electroplating roller is composed of a roller top cover, a second grid net ring and a roller bottom cover, a mounting hole is formed in the center of the roller bottom cover, the size of the mounting hole is matched with that of a first rotating shaft, one side of the roller bottom cover is fixedly connected with the second grid net ring, and one end, far away from the roller bottom cover, of the second grid net ring is movably connected with the roller top cover; a plurality of second rotating shafts are longitudinally arranged on the inner side wall of the electroplating roller in an array mode, and spiral plates are arranged outside the second rotating shafts; the setting of second pivot and spiral plate has can drive the neodymium iron boron magnetism body multi-angle in the electroplating barrel at the uniform velocity and roll at the uniform velocity in the uniform velocity rotation, makes the process of electroplating more smooth, and the coating quality on neodymium iron boron magnetism body surface is better, and corrosion resisting property is better, improves whole operation horizontally effect.
Drawings
FIG. 1 is a schematic structural diagram of the front side of an electroplating device for the surface corrosion-resistant double coating of the NdFeB magnet according to the invention;
FIG. 2 is a schematic diagram of the rear side structure of the electroplating apparatus for the surface corrosion-resistant double coating of the NdFeB magnet of the present invention;
FIG. 3 is a perspective view of a plating barrel of the electroplating device for the surface corrosion resistance double coating of the NdFeB magnet of the invention;
FIG. 4 is a schematic structural diagram of an anode support part of the electroplating device for the surface corrosion resistance double coating of the NdFeB magnet;
FIG. 5 is a schematic view of the structure of the bottom cover of the electroplating barrel according to the present invention;
FIG. 6 is a schematic cross-sectional view of an electroplating barrel according to the present invention;
FIG. 7 is a schematic view of the cross-sectional structure of the chemical adding barrel of the electroplating device with double coatings on the surface of the NdFeB magnet;
fig. 8 is a diagram illustrating an implementation procedure of the electroplating apparatus for the surface corrosion-resistant double coating of the ndfeb magnet according to the present invention.
In the figure: 1. an electroplating device body; 2. electroplating the barrel; 3. an anode support; 4. an electric telescopic rod; 5. a first mounting plate; 6. a motor-pump set; 7. a top plate; 8. a support pillar; 9. a cathode support; 10. a controller; 11. a cathode bar; 12. a base; 13. a barrel bottom cover; 14. a first grid loop; 15. electroplating the roller; 16. a barrel top cover; 17. an anode rod; 18. a fixing assembly; 19. a transfer shaft; 20. a first rotating shaft; 21. mounting holes; 22. a roller top cover; 23. a second grid loop; 24. a second rotating shaft; 25. a roller bottom cover; 26. a spiral plate; 27. a medicine adding barrel; 28. a second mounting plate; 29. a pipeline; 30. rotating the rod; 31. a stirring rod; 32. and (7) discharging holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2 and 4, a neodymium iron boron magnet surface corrosion resistance double-coating electroplating device comprises an electroplating device body 1, an electroplating barrel 2 and a motor pump unit 6, wherein a base 12 is fixedly arranged on the lower surface of the electroplating device body 1, and the base 12 is thickened and widened, so that high pressure can be borne in the using process, and the integral stability and operation safety of the electroplating device body 1 are improved; electroplating device is equipped with the electrolyte tank in this body 1, 1 upper surface four corners symmetry of electroplating device is equipped with support column 8, support column 8 upwards extends and roof 7 lower fixed surface is connected, 1 upper surface one side of electroplating device is equipped with negative pole support 9, one side that negative pole support 9 was kept away from to 1 upper surface of electroplating device is equipped with anode holder 3, negative pole support 9 and 3 both ends of anode holder all are equipped with fixed subassembly 18, negative pole support 9 and anode holder 3 all firmly put up at the electrolyte tank upper surface of electroplating device body 1 through fixed subassembly 18, one side array that cathode holder 9 is close to the electrolyte tank is equipped with cathode bar 11, cathode bar 11 extends to the electrolyte tank in, one side array that anode holder 3 is close to the electrolyte tank is equipped with anode bar 17, anode bar 17 extends to the electrolyte tank in. The outer wall of one side of the electroplating device body 1 is fixedly provided with the controller 10, one side of the electroplating device body 1, which is far away from the controller 10, is provided with a second mounting plate 28, the upper surface of the second mounting plate 28 is provided with a dosing barrel 27, the lower surface of the second mounting plate 28 is provided with a pipeline 29, and one end of the pipeline 29 extends into the electroplating device body 1. The controller 10 is provided with an operation panel and a main switch, and the controller 10 is respectively electrically connected with the medicine adding barrel 27, the valve, the electric telescopic rod 4, the electroplating barrel 2, the electroplating roller 15 and the motor pump unit 6 through leads. The top plate 7 upper surface center is equipped with first mounting panel 5, fixed mounting motor pump package 6 on the first mounting panel 5, motor pump package 6's drive mechanism downwardly extending and electric telescopic handle 4 fixed connection, electric telescopic handle 4 keeps away from motor pump package 6 one end and 2 lateral walls fixed connection of electroplating barrel, 2 size and the electrolyte bath size adaptations of electroplating barrel.
Referring to fig. 3, 5 and 6, the electroplating barrel 2 is composed of a barrel bottom cover 13, a first grid mesh ring 14, a plurality of electroplating rollers 15 and a barrel top cover 16, the plurality of electroplating rollers 15 are rotatably arranged in the electroplating barrel 2, the arrangement of the plurality of electroplating rollers 15 helps the distribution of the neodymium iron boron magnet to be more uniform, so that the corrosion-resistant coating on the surface of the neodymium iron boron magnet is more uniform and is convenient to put in and take out, the barrel bottom cover 13 is tightly connected with one end of the first grid mesh ring 14, and one end of the first grid mesh ring 14 far away from the barrel bottom cover 13 is movably connected with the barrel top cover 16. The barrel bottom cover 13 is symmetrically and fixedly provided with a transfer shaft 19 at four corners of one side tightly connected with the first grid mesh ring 14, the transfer shaft 19 is rotatably provided with a first rotating shaft 20, and the first rotating shaft 20 is fixedly connected with the electroplating roller 15 through a mounting hole 21. The transfer shaft 19 and the first rotating shaft 20 are matched to drive the electroplating roller 15 to rotate at a constant speed, so that the neodymium iron boron magnet rotates at a constant speed in the electroplating process, the corrosion-resistant coating on the surface is formed more uniformly, and the corrosion resistance of the coating on the surface of the neodymium iron boron magnet is higher; the electroplating roller 15 consists of a roller top cover 22, a second grid net ring 23 and a roller bottom cover 25, wherein the center of the roller bottom cover 25 is provided with a mounting hole 21, the size of the mounting hole 21 is matched with that of the first rotating shaft 20, one side of the roller bottom cover 25 is fixedly connected with the second grid net ring 23, and one end of the second grid net ring 23, which is far away from the roller bottom cover 25, is movably connected with the roller top cover 22; electroplating barrel 15 inside wall longitudinal array is equipped with plural second pivot 24, second pivot 24 all is equipped with spiral plate 26 outward, the uniform rotation of second pivot 24 and spiral plate 26 can drive the neodymium iron boron magnet multi-angle in the electroplating barrel 15 and roll at the uniform velocity, the process that makes electroplating has mobility, electrolyte is more even and smooth with the contact surface of neodymium iron boron magnet, the coating quality on neodymium iron boron magnet surface is better, corrosion resisting property is better, improve whole operation level.
Referring to fig. 7, a rotating rod 30 is disposed at the center of the bottom of the chemical adding barrel 27, stirring rods 31 are symmetrically disposed on the side walls of the rotating rod 30, a discharging hole 32 is disposed beside the rotating rod 30 at the bottom of the chemical adding barrel 27, and the discharging hole 32 is tightly connected to one end of the pipeline 29 away from the electroplating apparatus body 1 through a valve. The super big medicine barrel 27 that adds is equipped with and can once only holds more electrolyte, need not staff's liquid feeding repeatedly, improves work efficiency, and puddler 31 and rotary rod 30's being equipped with can not only be more even with the electrolyte stirring, also make things convenient for the staff to wash it, guarantee the quality of next electroplating work.
Referring to fig. 8, the electroplating apparatus comprises the following steps:
the method comprises the following steps: preparing an electrolyte: pouring the electrolyte ingredients into a dosing barrel 27, and uniformly stirring the ingredients in the dosing barrel 27 through a rotating rod 30 and a stirring rod 31;
step two: introducing an electrolyte: the prepared and evenly stirred electrolyte is led into an electrolyte tank of the electroplating device body 1 through a pipeline 29;
step three: placing a neodymium iron boron magnet: opening the barrel top cover 16 and the roller top cover 22, uniformly placing the neodymium-iron-boron magnet into the electroplating roller 15, and tightly covering the barrel top cover 16 and the roller top cover 22 after placement;
step four: placing an electroplating barrel: the electric telescopic rod 4 is stretched towards the direction of the electrolytic bath by operating the controller 10, and the electroplating barrel 2 filled with the neodymium iron boron magnet is placed into the electrolytic bath;
step five: electroplating of a first layer: and opening the cathode bar 11 and the anode bar 17, opening the adapter shaft 19 of the barrel bottom cover 13, and driving the electroplating roller 15 to roll at a constant speed to electroplate the first layer of corrosion-resistant coating on the neodymium iron boron magnet.
Step six: draining: after the first layer of corrosion-resistant coating is electroplated, the electric telescopic rod 4 is stretched upwards, the electroplating barrel 2 is lifted out of the electrolyte tank and stays for five to ten seconds, and the electrolyte in the electroplating barrel 2 is drained;
step seven: and second layer electroplating: after the sixth step is completed, the controller 10 is operated to extend and retract the electric telescopic rod 4 towards the direction of the electrolyte tank, the electroplating barrel 2 filled with the neodymium iron boron magnet is placed into the electrolyte tank, the cathode bar 11 and the anode bar 17 are opened, the adapting shaft 19 of the barrel bottom cover 13 and the second rotating shaft 24 and the spiral plate 26 in the electroplating barrel 15 are opened, and the second rotating shaft 24 and the spiral plate 26 stir the neodymium iron boron magnet in the electroplating barrel 15 to electroplate the second layer of corrosion-resistant coating.
In summary, the electroplating device for the double corrosion-resistant coatings on the surface of the neodymium iron boron magnet comprises an electroplating device body 1, an electroplating barrel 2 and a motor pump unit 6, wherein a base 12 is fixedly arranged on the lower surface of the electroplating device body 1, the motor pump unit 6 is fixedly arranged on a first mounting plate 5, a transmission mechanism of the motor pump unit 6 extends downwards and is fixedly connected with an electric telescopic rod 4, one end, away from the motor pump unit 6, of the electric telescopic rod 4 is fixedly connected with the side wall of the electroplating barrel 2, the electroplating barrel 2 is composed of a barrel bottom cover 13, a first grid mesh ring 14, a plurality of electroplating rollers 15 and a barrel top cover 16, the electroplating barrel 2 is rotatably provided with the plurality of electroplating rollers 15, the arrangement of the plurality of electroplating rollers 15 helps the neodymium iron boron magnet to be distributed more uniformly, so that the corrosion-resistant coatings on the surface of the neodymium iron boron magnet are more uniform and are convenient to put in and take out, and the four corners of one side, where the barrel bottom cover 13 is tightly connected with the first grid mesh ring 14, are symmetrically and fixedly provided with a transfer shaft 19, the transfer shafts 19 are respectively provided with a first rotating shaft 20 in a rotating way, and the first rotating shafts 20 are fixedly connected with the electroplating roller 15 through mounting holes 21. The transfer shaft 19 and the first rotating shaft 20 are matched to drive the electroplating roller 15 to rotate at a constant speed, so that the neodymium iron boron magnet rotates at a constant speed in the electroplating process, the corrosion-resistant coating on the surface is formed more uniformly, and the corrosion resistance of the coating on the surface of the neodymium iron boron magnet is higher; electroplating barrel 15 is by cylinder top cap 22, second grid net circle 23 and cylinder bottom 25 constitute, electroplating barrel 15 inside wall longitudinal array is equipped with plural second pivot 24, second pivot 24 all is equipped with spiral plate 26 outward, second pivot 24 and spiral plate 26 rotate at the uniform velocity and can drive the at uniform velocity rolling of neodymium iron boron magnet multi-angle in the electroplating barrel 15, the process that makes electroplating has mobility, electrolyte is more even and smooth with neodymium iron boron magnet's contact surface, the coating quality on neodymium iron boron magnet surface is more, corrosion resisting property is better, improve whole operation level. The super big medicine barrel 27 that adds is equipped with and can once only holds more electrolyte, need not staff's liquid feeding repeatedly, improves work efficiency, and puddler 31 and rotary rod 30's being equipped with can not only be more even with the electrolyte stirring, also make things convenient for the staff to wash it, guarantee the quality of next electroplating work. The electroplating device comprises the following steps: the method comprises the following steps: preparing electrolyte; step two: introducing an electrolyte; step three: placing a neodymium iron boron magnet; step four: placing an electroplating barrel; step five: electroplating a first layer; step six: draining; step seven: and electroplating the second layer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. An electroplating device with a double-coating corrosion-resistant surface of a neodymium-iron-boron magnet comprises an electroplating device body (1), an electroplating barrel (2) and a motor pump unit (6), and is characterized in that a base (12) is fixedly arranged on the lower surface of the electroplating device body (1), an electrolyte tank is arranged in the electroplating device body (1), support columns (8) are symmetrically arranged at four corners of the upper surface of the electroplating device body (1), the support columns (8) extend upwards and are fixedly connected with the lower surface of a top plate (7), a cathode support (9) is arranged on one side of the upper surface of the electroplating device body (1), an anode support (3) is arranged on one side of the upper surface of the electroplating device body (1) far away from the cathode support (9), fixing assemblies (18) are arranged at two ends of the cathode support (9) and the anode support (3), the cathode support (9) and the anode support (3) are firmly erected on the upper surface of the electrolyte tank of the electroplating device body (1) through the fixing assemblies (18), one side array that cathode support (9) are close to the electrolyte tank is equipped with cathode bar (11), and cathode bar (11) extend to the electrolyte tank in, one side array that anode support (3) are close to the electrolyte tank is equipped with anode bar (17), and anode bar (17) extend to the electrolyte tank in.
2. The electroplating device for the surface corrosion resistance double-coating of the neodymium-iron-boron magnet according to claim 1, characterized in that a first mounting plate (5) is arranged at the center of the upper surface of the top plate (7), a motor pump set (6) is fixedly mounted on the first mounting plate (5), a transmission mechanism of the motor pump set (6) extends downwards and is fixedly connected with an electric telescopic rod (4), one end, far away from the motor pump set (6), of the electric telescopic rod (4) is fixedly connected with the side wall of the electroplating barrel (2), and the size of the electroplating barrel (2) is matched with the size of an electrolyte tank.
3. The electroplating device for the double-coating corrosion resistance of the surface of the neodymium-iron-boron magnet according to claim 2, wherein a controller (10) is fixedly arranged on the outer wall of one side of the electroplating device body (1), a second mounting plate (28) is arranged on one side, away from the controller (10), of the electroplating device body (1), a chemical adding barrel (27) is arranged on the upper surface of the second mounting plate (28), a pipeline (29) is arranged on the lower surface of the second mounting plate (28), and one end of the pipeline (29) extends into the electroplating device body (1).
4. The electroplating device for the surface corrosion resistance double-coating of the neodymium-iron-boron magnet according to claim 3, characterized in that a rotating rod (30) is arranged at the center of the bottom of the chemical adding barrel (27), stirring rods (31) are symmetrically arranged on the side wall of the rotating rod (30), a discharging hole (32) is arranged beside the rotating rod (30) at the bottom of the chemical adding barrel (27), and the discharging hole (32) is tightly connected with one end of the pipeline (29) far away from the electroplating device body (1) through a valve.
5. The electroplating device for the surface corrosion resistance double coating of the neodymium iron boron magnet according to claim 4, wherein the electroplating barrel (2) is composed of a barrel bottom cover (13), a first grid mesh ring (14), a plurality of electroplating rollers (15) and a barrel top cover (16), the plurality of electroplating rollers (15) are rotatably arranged in the electroplating barrel (2), the barrel bottom cover (13) is tightly connected with one end of the first grid mesh ring (14), and one end of the first grid mesh ring (14) far away from the barrel bottom cover (13) is movably connected with the barrel top cover (16).
6. The electroplating device and the electroplating method for the surface corrosion resistance double coating of the neodymium iron boron magnet according to claim 5, characterized in that the four corners of one side of the bucket bottom cover (13) tightly connected with the first grid mesh ring (14) are symmetrically and fixedly provided with the transfer shafts (19), the transfer shafts (19) are respectively and rotatably provided with the first rotating shaft (20), and the first rotating shaft (20) is fixedly connected with the electroplating roller (15) through the mounting hole (21).
7. The electroplating device for the surface corrosion resistance double coating of the neodymium iron boron magnet according to claim 6, wherein the electroplating roller (15) is composed of a roller top cover (22), a second grid mesh ring (23) and a roller bottom cover (25), a mounting hole (21) is formed in the center of the roller bottom cover (25), the size of the mounting hole (21) is matched with that of the first rotating shaft (20), one side of the roller bottom cover (25) is fixedly connected with the second grid mesh ring (23), and one end, away from the roller bottom cover (25), of the second grid mesh ring (23) is movably connected with the roller top cover (22).
8. The electroplating device for the surface corrosion resistance double coating of the neodymium iron boron magnet according to claim 7, characterized in that a plurality of second rotating shafts (24) are longitudinally arranged on the inner side wall of the electroplating roller (15), and spiral plates (26) are arranged outside the second rotating shafts (24).
9. The electroplating device for the surface corrosion resistance double-coating of the neodymium-iron-boron magnet according to claim 8, wherein a control panel and a main switch are arranged on the controller (10), and the controller (10) is electrically connected with the dosing barrel (27), the valve, the electric telescopic rod (4), the electroplating barrel (2), the electroplating roller (15) and the motor pump set (6) through wires.
10. An implementation method of the electroplating device for the surface corrosion resistance double coating of the neodymium iron boron magnet according to the claim 9 is characterized by comprising the following steps:
the method comprises the following steps: preparing an electrolyte: pouring the electrolyte ingredients into a medicine adding barrel (27), and uniformly stirring the ingredients in the medicine adding barrel (27) through a rotating rod (30) and a stirring rod (31);
step two: introducing an electrolyte: leading the prepared and evenly stirred electrolyte into an electrolyte tank of the electroplating device body (1) through a pipeline (29);
step three: placing a neodymium iron boron magnet: opening the barrel top cover (16) and the roller top cover (22), uniformly placing the neodymium-iron-boron magnet into the electroplating roller (15), and tightly covering the barrel top cover (16) and the roller top cover (22) after placing;
step four: placing an electroplating barrel: the electric telescopic rod (4) is stretched towards the direction of the electrolytic bath by operating the controller (10), and the electroplating barrel (2) filled with the neodymium iron boron magnet is placed into the electrolytic bath;
step five: electroplating of a first layer: opening the cathode bar (11) and the anode bar (17), opening a transfer shaft (19) of the barrel bottom cover (13), and driving an electroplating roller (15) to roll at a constant speed to electroplate the neodymium iron boron magnet with a first layer of corrosion-resistant coating;
step six: draining: after the first layer of corrosion-resistant coating is electroplated, the electric telescopic rod (4) is stretched upwards, the electroplating barrel (2) is lifted out of the electrolyte tank and stays for five to ten seconds, and the electrolyte in the electroplating barrel (2) is drained;
step seven: and second layer electroplating: and after the sixth step is finished, operating the controller (10) to stretch the electric telescopic rod (4) towards the direction of the electrolytic bath, putting the electroplating barrel (2) filled with the neodymium iron boron magnet into the electrolytic bath, opening the cathode bar (11) and the anode bar (17), opening the switching shaft (19) of the barrel bottom cover (13) and the second rotating shaft (24) and the spiral plate (26) in the electroplating barrel (15), and stirring and electroplating the neodymium iron boron magnet in the electroplating barrel (15) by the second rotating shaft (24) and the spiral plate (26) to electroplate the corrosion-resistant coating on the second layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118134.8A CN114481276A (en) | 2022-02-08 | 2022-02-08 | Electroplating device and method for surface corrosion resistance double-coating of neodymium iron boron magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118134.8A CN114481276A (en) | 2022-02-08 | 2022-02-08 | Electroplating device and method for surface corrosion resistance double-coating of neodymium iron boron magnet |
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| CN114481276A true CN114481276A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210118134.8A Pending CN114481276A (en) | 2022-02-08 | 2022-02-08 | Electroplating device and method for surface corrosion resistance double-coating of neodymium iron boron magnet |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958865A (en) * | 2003-07-04 | 2007-05-09 | 精工爱普生株式会社 | Plating tool, plating method, electroplating apparatus, plated product, and method for producing plated product |
| CN207468759U (en) * | 2017-11-23 | 2018-06-08 | 安徽大地熊新材料股份有限公司 | A kind of barrel plating machine for neodymium iron boron plating |
| CN111962132A (en) * | 2020-08-11 | 2020-11-20 | 龚兴娅 | Continuous electroplating device for producing neodymium iron boron magnet and implementation method thereof |
-
2022
- 2022-02-08 CN CN202210118134.8A patent/CN114481276A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958865A (en) * | 2003-07-04 | 2007-05-09 | 精工爱普生株式会社 | Plating tool, plating method, electroplating apparatus, plated product, and method for producing plated product |
| CN207468759U (en) * | 2017-11-23 | 2018-06-08 | 安徽大地熊新材料股份有限公司 | A kind of barrel plating machine for neodymium iron boron plating |
| CN111962132A (en) * | 2020-08-11 | 2020-11-20 | 龚兴娅 | Continuous electroplating device for producing neodymium iron boron magnet and implementation method thereof |
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Application publication date: 20220513 |