CN105696060B - A kind of Hanging device for electro plating and its electro-plating method of slender type neodymium iron boron magnetic body - Google Patents
A kind of Hanging device for electro plating and its electro-plating method of slender type neodymium iron boron magnetic body Download PDFInfo
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- CN105696060B CN105696060B CN201610076914.5A CN201610076914A CN105696060B CN 105696060 B CN105696060 B CN 105696060B CN 201610076914 A CN201610076914 A CN 201610076914A CN 105696060 B CN105696060 B CN 105696060B
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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
- C25D17/06—Suspending or supporting devices for articles to be coated
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/16—Electroplating with layers of varying thickness
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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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
- C25D7/00—Electroplating characterised by the article coated
- C25D7/001—Magnets
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of Hanging device for electro plating and its electro-plating method of slender type neodymium iron boron magnetic body, Hanging device for electro plating includes hanger and at least one suspension gear being arranged on hanger, suspension gear includes being fixed at the hanger on hanger and multiple hanger brackets on hanger, hanger bracket includes pedestal and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal, pedestal pulls into endoporus as cylindrical helical form by single stainless steel wire, block is fixed at the bottom opening of pedestal, the diameter of bore of pedestal is bigger 5~20mm than the width of slender type neodymium iron boron magnetic body, the height of pedestal is smaller 10~15mm than the length of slender type neodymium iron boron magnetic body；Advantage is that Hanging device for electro plating can be used in processing before plating and electroplating processes process, only needing, which moves up and down Hanging device for electro plating, can make slender type neodymium iron boron magnetic body not generate hanging point, it is possible thereby to improve the plating qualification rate and electroplating efficiency of slender type neodymium iron boron magnetic body, the workload of operating personnel is reduced.
Description
Technical field
The present invention relates to a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body, more particularly, to a kind of slender type neodymium iron boron
The Hanging device for electro plating and its electro-plating method of magnet.
Background technology
Neodymium iron boron magnetic body is widely used in the fields such as electronics and motor due to its superior magnetic property.Wherein, it applies
In the neodymium iron boron magnetic body of motor field be mainly length for 60~130mm, the neodymium that width is 10~40mm and thickness is 2~8mm
Iron boron magnet, such neodymium iron boron magnetic body are commonly known as slender type neodymium iron boron magnetic body.
In order to improve the antiseptic property of slender type neodymium iron boron magnetic body, it usually needs carry out electroplating processes to it.Due to elongated
Type neodymium iron boron magnetic body specification is larger, and rack plating process can only be used in electroplating processes.The electricity of existing slender type neodymium iron boron magnetic body
Plating generally includes hanger and the multiple fixtures being arranged on hanger with hanger, and each fixture includes upper clamping part and lower clamping
Portion, in plating, slender type neodymium iron boron magnetic body is clamped to by upper clamping part and lower clamping part on hanger.Due to existing thin
The Hanging device for electro plating of elongated neodymium iron boron magnetic body for up and down it is clipping, before plating in processing procedure, slender type neodymium iron boron magnetic body with
The contact position of upper clamping part and the clamping of lower clamping part can not be but processed to, and can be caused protrusion at hanging point, be influenced size and appearance；
For this purpose, the electro-plating method of existing slender type neodymium iron boron magnetic body is can not be enterprising mounted on the hanger by slender type neodymium iron boron magnetic body
Row pre-electroplating treatment, but first slender type neodymium iron boron magnetic body is fitted into mesh bag and carries out pre-electroplating treatment, then again by slender type
Neodymium iron boron magnetic body hangs over and is electroplated on hanger.Product treatment amount general control per mesh bag is located before plating in 60pcs or so
Slender type neodymium iron boron magnetic body mutually collides in mesh bag pulling back and forth during reason, due to slender type neodymium iron boron magnetic body brittleness
Greatly, angle is easily caused brokenly, causes product qualification rate low, breaking angle rate according to statistics can be 8% or so；In addition, it is in electroplating process
The hanging point position of slender type neodymium iron boron magnetic body is prevented without coating and generates big hanging point, needs manually to carry out multi-shift to product,
Cause man efficiency low, heavy workload.
In view of this, the plating that a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body is applied to slender type neodymium iron boron magnetic body is designed
In pre-treatment and electroplating processes process, slender type neodymium iron boron magnetic body will not generate hanging point, for improving slender type neodymium iron boron magnetic body
Plating qualification rate and electroplating efficiency, the workload for reducing operating personnel be of great significance.
Invention content
The first technical problem to be solved by the present invention is to provide a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body, should
Hanger is applied in the pre-electroplating treatment and electroplating processes process of slender type neodymium iron boron magnetic body, and slender type neodymium iron boron magnetic body does not generate
Hanging point it is possible thereby to improve the plating qualification rate and electroplating efficiency of slender type neodymium iron boron magnetic body, reduces the workload of operating personnel.
Technical solution is used by the present invention solves one of above-mentioned technical problem：A kind of electricity of slender type neodymium iron boron magnetic body
Plating hanger, including hanger and at least one suspension gear being arranged on the hanger, the suspension gear includes solid
Surely the hanger being arranged on the hanger and multiple hanger brackets on the hanger, the hanger bracket packet
Include pedestal and for slender type neodymium iron boron magnetic body to be limited to the block in the pedestal, the pedestal is by single stainless steel
Silk pulls into endoporus as cylindrical helical form, and the block is fixed at the bottom opening of the pedestal, described
The diameter of bore of pedestal is bigger 5~20mm than the width of the slender type neodymium iron boron magnetic body, described in the height ratio of the pedestal
Slender type neodymium iron boron magnetic body the small 10~15mm of length.
The hanger includes two spaced montants and two hooks, and two hooks are arranged in a one-to-one correspondence at two
At the top of the montant, the hanger includes two spaced cross bars, the both ends of described two cross bars respectively with
Montant described in two is fixedly connected, and the pedestal in each suspension gear is located between the cross bar described in two and difference
It is fixedly connected with the cross bar described in two, the interior axially bored line of the pedestal and the angle of the montant are 30~60 degree.It should
Hanging tool structure is simple, and cost is relatively low, and can improve the convenience of the charging of slender type neodymium iron boron magnetic body and discharging, improves slender type
Neodymium iron boron magnetic body feeds and the efficiency of discharging.
Compared with prior art, Hanging device for electro plating advantage of the invention is that suspension gear includes being fixed on hanger
Hanger and multiple hanger brackets on hanger, hanger bracket include pedestal and for slender type neodymium iron boron magnetic body to be limited
The block being scheduled in pedestal, pedestal pull into endoporus as cylindrical helical form by single stainless steel wire, and block fixed setting is present
At the bottom opening of body, the diameter of bore of pedestal is bigger 5~20mm than the width of slender type neodymium iron boron magnetic body, and the height of pedestal is than thin
Small 10~the 15mm of length of elongated neodymium iron boron magnetic body, before plating in processing and electroplating processes process, it is only necessary to make Hanging device for electro plating
It moves up and down, you can slender type neodymium iron boron magnetic body is driven to be present internal bounce, thus can ensure the table of slender type neodymium iron boron magnetic body
Face is all processed to and does not generate hanging point, so as to improve the plating qualification rate of slender type neodymium iron boron magnetic body and electroplating efficiency, drop
The workload of low operating personnel.
The second technical problem to be solved by the present invention is to provide a kind of electro-plating method of slender type neodymium iron boron magnetic body, the electricity
Hanging point will not be generated, thus may be used by carrying out pre-electroplating treatment and electroplating processes, slender type neodymium iron boron magnetic body using hanger in electroplating method
To improve the plating qualification rate of slender type neodymium iron boron magnetic body and electroplating efficiency, the workload of operating personnel is reduced.
Technical solution is used by the two of present invention solution above-mentioned technical problem：A kind of electricity of slender type neodymium iron boron magnetic body
Electroplating method includes the following steps：
1. slender type neodymium iron boron magnetic body is fitted into Hanging device for electro plating, the Hanging device for electro plating includes hanger and is arranged on
At least one suspension gear on the hanger, the suspension gear include the suspention being fixed on the hanger
Frame and multiple hanger brackets on the hanger, the hanger bracket include pedestal and for by slender type neodymium iron borons
Magnet is limited to the block in the pedestal, and the pedestal pulls into endoporus as cylindrical spiral by single stainless steel wire
Shape, the block are fixed at the bottom opening of the pedestal, and the diameter of bore of the pedestal is thinner than described
Big 5~the 20mm of width of elongated neodymium iron boron magnetic body, the height of the pedestal is than the length of the slender type neodymium iron boron magnetic body
Small 10~15mm, the length direction of the slender type neodymium iron boron magnetic body and the short transverse of the pedestal are consistent insertion
In the pedestal；
2. pre-electroplating treatment is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
Be sequentially placed into degreasing tank and carry out oil removal treatment, carry out carrying out activation process in processing of rust removing and activated bath in derusting slot, except
Move up and down the Hanging device for electro plating in oil processing, processing of rust removing and activation process；
3. first time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into the first electroplating pool and the processing of electronickelling for the first time is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 2~10 μm；
4. second of electroplating processes is carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger, which is put into the second electroplating pool, carries out slender type neodymium iron boron magnetic body plating Copper treatment, and thickness of coating is 2~10 μm；
5. third time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into third electroplating pool and the processing of electronickelling again is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 3~15 μm.
The hanger includes two spaced montants and two hooks, and two hooks are arranged in a one-to-one correspondence at two
At the top of the montant, the hanger includes two spaced cross bars, the both ends of described two cross bars respectively with
Montant described in two is fixedly connected, and the pedestal in each suspension gear is located between the cross bar described in two and difference
It is fixedly connected with the cross bar described in two, the interior axially bored line of the pedestal and the angle of the montant are 30~60 degree.It should
Hanging tool structure is simple, and cost is relatively low, and can improve the convenience of the charging of slender type neodymium iron boron magnetic body and discharging, improves slender type
Neodymium iron boron magnetic body feeds and the efficiency of discharging.
The electroplating solution used in the first time electroplating processes process be the first nickel sulfate solution, first sulphur
Sour nickel solution is mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 200~400g/L of nickel sulfate, nickel chloride
A concentration of 20~70g/L, a concentration of 20~70g/L of boric acid, the PH of first nickel sulfate solution are 3.5~5.0, temperature
Spend is 40~60 DEG C.First time electroplating processes are carried out by the first nickel sulfate solution in this method, in slender type neodymium iron boron magnetic body
Pre-nickel plating is formed, can be made between slender type neodymium iron boron magnetic body and pre-nickel plating and the copper coating of second of electroplating processes formation
With good binding force.
The electroplating solution used in second of electroplating processes process be copper pyrophosphate solution, the cupric pyrophosphate
Solution is mixed by potassium pyrophosphate, cupric pyrophosphate and water, wherein a concentration of 200~400g/L of potassium pyrophosphate, cupric pyrophosphate
A concentration of 20~70g/L, the PH of the copper pyrophosphate solution is 7.5~9.0, and temperature is 30~50 DEG C.It is adopted in this method
By the use of copper pyrophosphate solution as the electroplating solution of second of electroplating processes, ingredient is simple, bath stability, conductivity are high, plates
Ability and covering power are good, and the crystallization of its coating is careful, have preferable effect to the corrosion resistance for improving coating.
The electroplating solution used in the third time electroplating processes processing procedure is the second nickel sulfate solution, described the
Two nickel sulfate solutions are mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 150~350g/L of nickel sulfate, chlorine
Change a concentration of 20~70g/L of nickel, a concentration of 20~70g/L of boric acid, the PH of second nickel sulfate solution for 3.5~
5.0, temperature is 40~60 DEG C.The coating that this method can cause has glossiness appearance, and hardness is high.
Compared with prior art, be to handle before plating the advantages of electro-plating method of the invention in electroplating processes process
Slender type neodymium iron boron magnetic body is hung using Hanging device for electro plating, Hanging device for electro plating includes hanger and is arranged on hanger at least
One suspension gear, suspension gear include being fixed at the hanger on hanger and multiple suspentions on hanger
Seat, hanger bracket include pedestal and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal, and pedestal is by single stainless steel
Silk pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal, and the diameter of bore of pedestal is than thin
Big 5~the 20mm of width of elongated neodymium iron boron magnetic body, the height of pedestal is smaller 10~15mm than the length of slender type neodymium iron boron magnetic body,
In pre-electroplating treatment and electroplating processes process, it is only necessary to move up and down Hanging device for electro plating, you can drive slender type neodymium iron boron magnetic body
Present bounce in vivo, thus can ensure that the surface of slender type neodymium iron boron magnetic body is all processed to and does not generate hanging point, so as to improve
The plating qualification rate and electroplating efficiency of slender type neodymium iron boron magnetic body reduces the workload of operating personnel.
Description of the drawings
Fig. 1 is the front view of the Hanging device for electro plating of the present invention；
Fig. 2 is the stereogram of the Hanging device for electro plating of the present invention.
Specific embodiment
The invention discloses a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body, below in conjunction with attached drawing embodiment to this hair
Bright Hanging device for electro plating is described in further detail.
Embodiment one：As shown in the figure, a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body, including hanger and is arranged on extension
At least one suspension gear on frame, suspension gear include the hanger being fixed on hanger and on hangers
Multiple hanger brackets, hanger bracket include pedestal 1 and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal 1, pedestal 1 by
Single stainless steel wire pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal 1, pedestal 1
Diameter of bore is bigger 5mm than the width of slender type neodymium iron boron magnetic body, and the height of pedestal 1 is smaller than the length of slender type neodymium iron boron magnetic body
10mm。
In the present embodiment, hanger includes two spaced montants 2 and two hooks 3, and two hooks 3, which correspond, to be set
Put at two montants, 2 top, hanger includes two spaced cross bars 4, the both ends of two cross bars 4 respectively with two montants
2 are fixedly connected, and the pedestal 1 in each suspension gear is located between two cross bars 4 and is fixedly connected respectively with two cross bars 4, seat
The interior axially bored line of body 1 and the angle of montant 2 are 60 degree.
Embodiment two：As shown in the figure, a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body, including hanger and is arranged on extension
At least one suspension gear on frame, suspension gear include the hanger being fixed on hanger and on hangers
Multiple hanger brackets, hanger bracket include pedestal 1 and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal 1, pedestal 1 by
Single stainless steel wire pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal 1, pedestal 1
Diameter of bore is bigger 20mm than the width of slender type neodymium iron boron magnetic body, and the height of pedestal 1 is smaller than the length of slender type neodymium iron boron magnetic body
15mm。
In the present embodiment, hanger includes two spaced montants 2 and two hooks 3, and two hooks 3, which correspond, to be set
Put at two montants, 2 top, hanger includes two spaced cross bars 4, the both ends of two cross bars 4 respectively with two montants
2 are fixedly connected, and the pedestal 1 in each suspension gear is located between two cross bars 4 and is fixedly connected respectively with two cross bars 4, seat
The interior axially bored line of body 1 and the angle of montant 2 are 30 degree.
The invention also discloses a kind of electro-plating method of slender type neodymium iron boron magnetic body, below in conjunction with attached drawing embodiment to this hair
Bright electro-plating method is described in further detail.
Embodiment one：As shown in the figure, a kind of electro-plating method of slender type neodymium iron boron magnetic body, includes the following steps：
1. slender type neodymium iron boron magnetic body is fitted into Hanging device for electro plating, Hanging device for electro plating includes hanger and is arranged on hanger
At least one suspension gear, suspension gear includes being fixed at hanger on hanger and multiple on hanger
Hanger bracket, hanger bracket include pedestal 1 and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal 1, and pedestal 1 is by single
Stainless steel wire pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal 1, slender type neodymium iron boron
The length direction of magnet is consistent with the short transverse of pedestal 1 and is inserted into pedestal 1；1 height of pedestal is 65mm, and diameter of bore is
20mm, the length of slender type neodymium iron boron magnetic body is 80mm, width 13mm, thickness 5mm；
2. pre-electroplating treatment is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
Be sequentially placed into degreasing tank and carry out oil removal treatment, carry out carrying out activation process in processing of rust removing and activated bath in derusting slot, except
Hanging device for electro plating is moved up and down in oil processing, processing of rust removing and activation process；
3. first time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into the first electroplating pool and the processing of electronickelling for the first time is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 5 μm；
4. second of electroplating processes is carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger, which is put into the second electroplating pool, carries out slender type neodymium iron boron magnetic body plating Copper treatment, and thickness of coating is 10 μm；
5. third time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into third electroplating pool and the processing of electronickelling again is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 8 μm.
In the present embodiment, hanger includes two spaced montants 2 and two hooks 3, and two hooks 3, which correspond, to be set
Put at two montants, 2 top, hanger includes two spaced cross bars 4, the both ends of two cross bars 4 respectively with two montants
2 are fixedly connected, and the pedestal 1 in each suspension gear is located between two cross bars 4 and is fixedly connected respectively with two cross bars 4, seat
The interior axially bored line of body 1 and the angle of montant 2 are 60 degree.
In the present embodiment, the electroplating solution that is used in first time electroplating processes process is the first nickel sulfate solution, the first sulphur
Sour nickel solution is mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 320g/L of nickel sulfate, nickel chloride it is dense
It spends for 30g/L, a concentration of 40g/L of boric acid, the PH of the first nickel sulfate solution is 4.6, and temperature is 40 DEG C.
In the present embodiment, the electroplating solution that is used in second of electroplating processes process is copper pyrophosphate solution, cupric pyrophosphate
Solution is mixed by potassium pyrophosphate, cupric pyrophosphate and water, wherein a concentration of 200g/L of potassium pyrophosphate, the concentration of cupric pyrophosphate
For 30g/L, the PH of copper pyrophosphate solution is 7.5, and temperature is 40 DEG C.
In the present embodiment, the electroplating solution used in third time electroplating processes processing procedure is the second nickel sulfate solution, the
Two nickel sulfate solutions are mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 250g/L of nickel sulfate, nickel chloride
A concentration of 35g/L, a concentration of 65g/L of boric acid, the PH of the second nickel sulfate solution are 3.6, and temperature is 50 DEG C.
By using the electro-plating method of the present embodiment, treated that slender type neodymium iron boron magnetic body carries out appearance under 3 times of magnifying glasses
Detection, product reach 98.5% without plating leakage, oxidation corrosion phenomenon, first-time qualification rate.
Embodiment two：As shown in the figure, a kind of electro-plating method of slender type neodymium iron boron magnetic body, includes the following steps：
1. slender type neodymium iron boron magnetic body is fitted into Hanging device for electro plating, Hanging device for electro plating includes hanger and is arranged on hanger
At least one suspension gear, suspension gear includes being fixed at hanger on hanger and multiple on hanger
Hanger bracket, hanger bracket include pedestal 1 and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal 1, and pedestal 1 is by single
Stainless steel wire pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal 1, slender type neodymium iron boron
The length direction of magnet is consistent with the short transverse of pedestal 1 and is inserted into pedestal 1；1 height of pedestal is 65mm, and diameter of bore is
20mm, the length of slender type neodymium iron boron magnetic body is 80mm, width 13mm, thickness 5mm；
2. pre-electroplating treatment is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
Be sequentially placed into degreasing tank and carry out oil removal treatment, carry out carrying out activation process in processing of rust removing and activated bath in derusting slot, except
Hanging device for electro plating is moved up and down in oil processing, processing of rust removing and activation process；
3. first time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into the first electroplating pool and the processing of electronickelling for the first time is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 2 μm；
4. second of electroplating processes is carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger, which is put into the second electroplating pool, carries out slender type neodymium iron boron magnetic body plating Copper treatment, and thickness of coating is 2 μm；
5. third time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into third electroplating pool and the processing of electronickelling again is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 15 μm.
In the present embodiment, hanger includes two spaced montants 2 and two hooks 3, and two hooks 3, which correspond, to be set
Put at two montants, 2 top, hanger includes two spaced cross bars 4, the both ends of two cross bars 4 respectively with two montants
2 are fixedly connected, and the pedestal 1 in each suspension gear is located between two cross bars 4 and is fixedly connected respectively with two cross bars 4, seat
The interior axially bored line of body 1 and the angle of montant 2 are 30 degree.
In the present embodiment, the electroplating solution that is used in first time electroplating processes process is the first nickel sulfate solution, the first sulphur
Sour nickel solution is mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 200g/L of nickel sulfate, nickel chloride it is dense
It spends for 20g/L, a concentration of 20g/L of boric acid, the PH of the first nickel sulfate solution is 3.5, and temperature is 40 DEG C.
In the present embodiment, the electroplating solution that is used in second of electroplating processes process is copper pyrophosphate solution, cupric pyrophosphate
Solution is mixed by potassium pyrophosphate, cupric pyrophosphate and water, wherein a concentration of 200g/L of potassium pyrophosphate, the concentration of cupric pyrophosphate
For 20g/L, the PH of copper pyrophosphate solution is 7.5, and temperature is 30 DEG C.
In the present embodiment, the electroplating solution used in third time electroplating processes processing procedure is the second nickel sulfate solution, the
Two nickel sulfate solutions are mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 150g/L of nickel sulfate, nickel chloride
A concentration of 20g/L, a concentration of 20g/L of boric acid, the PH of the second nickel sulfate solution are 3.5, and temperature is 40 DEG C.
Embodiment three：As shown in the figure, a kind of electro-plating method of slender type neodymium iron boron magnetic body, includes the following steps：
1. slender type neodymium iron boron magnetic body is fitted into Hanging device for electro plating, Hanging device for electro plating includes hanger and is arranged on hanger
At least one suspension gear, suspension gear includes being fixed at hanger on hanger and multiple on hanger
Hanger bracket, hanger bracket include pedestal 1 and for slender type neodymium iron boron magnetic body to be limited to the block in pedestal 1, and pedestal 1 is by single
Stainless steel wire pulls into endoporus as cylindrical helical form, and block is fixed at the bottom opening of pedestal 1, slender type neodymium iron boron
The length direction of magnet is consistent with the short transverse of pedestal 1 and is inserted into pedestal 1；1 height of pedestal is 65mm, and diameter of bore is
20mm, the length of slender type neodymium iron boron magnetic body is 80mm, width 13mm, thickness 5mm；
2. pre-electroplating treatment is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
Be sequentially placed into degreasing tank and carry out oil removal treatment, carry out carrying out activation process in processing of rust removing and activated bath in derusting slot, except
Hanging device for electro plating is moved up and down in oil processing, processing of rust removing and activation process；
3. first time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into the first electroplating pool and the processing of electronickelling for the first time is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 10 μm；
4. second of electroplating processes is carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger, which is put into the second electroplating pool, carries out slender type neodymium iron boron magnetic body plating Copper treatment, and thickness of coating is 10 μm；
5. third time electroplating processes are carried out to slender type neodymium iron boron magnetic body：It will be used equipped with the plating of slender type neodymium iron boron magnetic body
Hanger is put into third electroplating pool and the processing of electronickelling again is carried out to slender type neodymium iron boron magnetic body, and thickness of coating is 3 μm.
In the present embodiment, hanger includes two spaced montants 2 and two hooks 3, and two hooks 3, which correspond, to be set
Put at two montants, 2 top, hanger includes two spaced cross bars 4, the both ends of two cross bars 4 respectively with two montants
2 are fixedly connected, and the pedestal 1 in each suspension gear is located between two cross bars 4 and is fixedly connected respectively with two cross bars 4, seat
The interior axially bored line of body 1 and the angle of montant 2 are 60 degree.
In the present embodiment, the electroplating solution that is used in first time electroplating processes process is the first nickel sulfate solution, the first sulphur
Sour nickel solution is mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 400g/L of nickel sulfate, nickel chloride it is dense
It spends for 70g/L, a concentration of 70g/L of boric acid, the PH of the first nickel sulfate solution is 5.0, and temperature is 60 DEG C.
In the present embodiment, the electroplating solution that is used in second of electroplating processes process is copper pyrophosphate solution, cupric pyrophosphate
Solution is mixed by potassium pyrophosphate, cupric pyrophosphate and water, wherein a concentration of 400g/L of potassium pyrophosphate, the concentration of cupric pyrophosphate
For 70g/L, the PH of copper pyrophosphate solution is 9.0, and temperature is 50 DEG C.
In the present embodiment, the electroplating solution used in third time electroplating processes processing procedure is the second nickel sulfate solution, the
Two nickel sulfate solutions are mixed by nickel sulfate, nickel chloride, boric acid and water, wherein a concentration of 350g/L of nickel sulfate, nickel chloride
A concentration of 70g/L, a concentration of 70g/L of boric acid, the PH of the second nickel sulfate solution are 5.0, and temperature is 60 DEG C.
Claims (5)
1. a kind of Hanging device for electro plating of slender type neodymium iron boron magnetic body including hanger and is arranged at least one on the hanger
Suspension gear, it is characterised in that the suspension gear includes the hanger being fixed on the hanger and mounted on institute
Multiple hanger brackets on the hanger stated, the hanger bracket include pedestal and for slender type neodymium iron boron magnetic body to be limited to institute
The block in pedestal stated, the pedestal pull into endoporus as cylindrical helical form, the block by single stainless steel wire
It is fixed at the bottom opening of the pedestal, the diameter of bore of the pedestal is than the slender type neodymium iron boron magnetic body
The big 5~20mm of width, the height of the pedestal is smaller 10~15mm than the length of the slender type neodymium iron boron magnetic body；
The hanger includes two spaced montants and two hooks, and two hooks are arranged in a one-to-one correspondence described in two
Montant at the top of, the hanger includes two spaced cross bars, the both ends of described two cross bars respectively with two
The montant is fixedly connected, and the pedestal in the suspension gear is located between the cross bar described in two and respectively with two
Cross bar described in root is fixedly connected, and the interior axially bored line of the pedestal and the angle of the montant are 30~60 degree.
2. a kind of electro-plating method of slender type neodymium iron boron magnetic body, it is characterised in that include the following steps：
1. slender type neodymium iron boron magnetic body is fitted into Hanging device for electro plating, the Hanging device for electro plating includes hanger and is arranged on described
Hanger at least one suspension gear, the suspension gear include the hanger being fixed on the hanger and
Multiple hanger brackets on the hanger, the hanger bracket include pedestal and for by slender type neodymium iron boron magnetic bodies
The block being limited in the pedestal, the pedestal pull into endoporus as cylindrical helical form, institute by single stainless steel wire
The block stated is fixed at the bottom opening of the pedestal, and the diameter of bore of the pedestal is than the slender type neodymium
Big 5~the 20mm of width of iron boron magnet, the height of the pedestal is smaller by 10 than the length of the slender type neodymium iron boron magnetic body~
The short transverse of 15mm, the length direction of the slender type neodymium iron boron magnetic body and the pedestal is consistent described in insertion
In pedestal；
2. pre-electroplating treatment is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body successively
It is put into degreasing tank and carries out carrying out activation process in oil removal treatment, the interior progress processing of rust removing of derusting slot and activated bath, at oil removing
The Hanging device for electro plating is moved up and down in reason, processing of rust removing and activation process；
3. first time electroplating processes are carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
It is put into the first electroplating pool and the processing of electronickelling for the first time is carried out to slender type neodymium iron boron magnetic body, thickness of coating is 2~10 μm；
4. second of electroplating processes is carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
It is put into the second electroplating pool and plating Copper treatment is carried out to slender type neodymium iron boron magnetic body, thickness of coating is 2~10 μm；
5. third time electroplating processes are carried out to slender type neodymium iron boron magnetic body：By the Hanging device for electro plating equipped with slender type neodymium iron boron magnetic body
It is put into third electroplating pool and the processing of electronickelling again is carried out to slender type neodymium iron boron magnetic body, thickness of coating is 3~15 μm；
The hanger includes two spaced montants and two hooks, and two hooks are arranged in a one-to-one correspondence described in two
Montant at the top of, the hanger includes two spaced cross bars, the both ends of described two cross bars respectively with two
The montant is fixedly connected, and the pedestal in the suspension gear is located between the cross bar described in two and respectively with two
Cross bar described in root is fixedly connected, and the interior axially bored line of the pedestal and the angle of the montant are 30~60 degree.
A kind of 3. electro-plating method of slender type neodymium iron boron magnetic body according to claim 2, it is characterised in that described first
The electroplating solution used in secondary electroplating processes process be the first nickel sulfate solution, first nickel sulfate solution by nickel sulfate,
Nickel chloride, boric acid and water mix, wherein a concentration of 200~400g/L of nickel sulfate, a concentration of 20~70g/ of nickel chloride
L, a concentration of 20~70g/L of boric acid, the PH of first nickel sulfate solution is 3.5~5.0, and temperature is 40~60 DEG C.
A kind of 4. electro-plating method of slender type neodymium iron boron magnetic body according to claim 2, it is characterised in that described second
The electroplating solution used in secondary electroplating processes process is copper pyrophosphate solution, and the copper pyrophosphate solution is by potassium pyrophosphate, coke
Cupric phosphate and water mix, wherein a concentration of 200~400g/L of potassium pyrophosphate, a concentration of 20~70g/L of cupric pyrophosphate,
The PH of the copper pyrophosphate solution is 7.5~9.0, and temperature is 30~50 DEG C.
A kind of 5. electro-plating method of slender type neodymium iron boron magnetic body according to claim 2, it is characterised in that the third
The electroplating solution used in secondary electroplating processes processing procedure is the second nickel sulfate solution, and second nickel sulfate solution is by sulfuric acid
Nickel, nickel chloride, boric acid and water mix, wherein a concentration of 150~350g/L of nickel sulfate, nickel chloride a concentration of 20~
70g/L, a concentration of 20~70g/L of boric acid, the PH of second nickel sulfate solution is 3.5~5.0, and temperature is 40~60
℃。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076914.5A CN105696060B (en) | 2016-02-03 | 2016-02-03 | A kind of Hanging device for electro plating and its electro-plating method of slender type neodymium iron boron magnetic body |
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| CN201610076914.5A CN105696060B (en) | 2016-02-03 | 2016-02-03 | A kind of Hanging device for electro plating and its electro-plating method of slender type neodymium iron boron magnetic body |
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| CN105970275B (en) * | 2016-06-30 | 2018-05-18 | 广东保迪环保电镀设备有限公司 | A kind of hanger |
| CN108754561A (en) * | 2018-06-15 | 2018-11-06 | 于婷婷 | A kind of transport lifting device of electroplating mold |
| CN111101173A (en) * | 2019-12-26 | 2020-05-05 | 陕西宝成航空仪表有限责任公司 | Multilayer nickel plating and dehydrogenation process for neodymium iron boron permanent magnet material |
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| JPH07207497A (en) * | 1994-01-19 | 1995-08-08 | Sony Corp | Method for plating electronic parts and plating jig |
| CN202626337U (en) * | 2012-07-04 | 2012-12-26 | 天津宾永胜电气引线科技有限公司 | Special hanging tool for electroplating long-rod workpiece |
| CN102787341B (en) * | 2012-09-11 | 2016-05-11 | 成都图南电子有限公司 | A kind of tiny magnets electrophoresis hanging tool and using method thereof |
| CN202830211U (en) * | 2012-09-29 | 2013-03-27 | 山西汇镪磁性材料制作有限公司 | Rack plating tool for electroplating surface of neodymium-iron-boron magnet |
| CN203700567U (en) * | 2013-11-29 | 2014-07-09 | 上海顺众实业有限公司 | Electroplating hanger for long casing workpiece |
| CN104032361B (en) * | 2014-06-25 | 2016-06-01 | 张家港市金邦铝业股份有限公司 | The extension tool of a kind of aluminum pipe |
| CN204237880U (en) * | 2014-11-04 | 2015-04-01 | 宁波韵升粘结磁体有限公司 | A kind of electrophoresis hanger |
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