CN104499036A - Electroplating roller - Google Patents
Electroplating roller Download PDFInfo
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- CN104499036A CN104499036A CN201410650584.7A CN201410650584A CN104499036A CN 104499036 A CN104499036 A CN 104499036A CN 201410650584 A CN201410650584 A CN 201410650584A CN 104499036 A CN104499036 A CN 104499036A
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- electro
- end cap
- plating
- roller
- plating roller
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention relates to an electroplating roller, which comprises a roller framework, the roller framework comprises the roller framework, the roller framework comprises two end caps and cross bars, the cross bars are annularly arranged between two end caps, an arc plate with a filter screen is connected between the adjacent cross bars in a detachable mode, a gear is sleeved on peripheral part of the end cap, a center rotating shaft is arranged in the roller framework, the end cap stretches out of two ends of the center rotating shaft and is connected to a support column in a movable mode, a rotation shaft is arranged over the roller framework, two ends of the rotation shaft pass through a support column and are connected to the support column in a movable mode, a driving wheel is sleeved on the rotation shaft, the driving wheel is arranged over the end cap gear, the driving wheel is engaged with the end cap gear, a motor is connected to one end of the rotation shaft, a cathode connector is arranged on the support column, a cathode contact is arranged in the roller framework, and the cathode connector is connected to the cathode contact through a lead. The electroplating roller can increase the electroplating efficiency and uniformly electroplate the parts, and the damaged filter screen in the electroplating roller are easily and conveniently replaced.
Description
Technical field
The present invention relates to a kind of electro-plating roller, belong to electroplating technology field.
Background technology
Plating is exactly the process utilizing electrolysis principle to plate other metal or alloy of skim on some metallic surface, be utilize electrolytic action to make the technique of the surface attachment layer of metal film of metal or other material thus play to prevent burning (as corrosion), improve the effects such as wear resistance, electroconductibility, reflective, erosion resistance (copper sulfate etc.) and having improved aesthetic appearance.The skin of many coins is also plating.
During plating, coated metal or other insoluble materials do anode, and workpiece to be plated does negative electrode, and the positively charged ion of coated metal is reduced formation coating at workpiece surface to be plated.For getting rid of other cationic interference, and making coating evenly, firmly, electroplate liquid need be done, to keep the cationic concentration of coated metal constant with containing the cationic solution of coated metal.The object of plating plates metal plating on base material, changes substrate surface character or size.Plating can strengthen metal erosion resistance (the corrosion resistant metal of the many employings of coated metal), increase hardness, prevent abrasion, improve electroconductibility, slipperiness, thermotolerance and surface aesthetic.
Coating is single metal or alloy mostly, as titanium palladium, zinc, cadmium, gold or brass, bronze etc.; Also disperse layer is had, as nickel-silicon carbide, nickel-fluorographite etc.; Also has laminating layer, as the copper-nickel-layers of chrome on steel, the silver-indium layer etc. on steel.The body material of plating, except the cast iron of iron-based, steel and stainless steel, also has non-ferrous metal, or ABS plastic, polypropylene, polysulfones and phenoplast, but before plastic electroplating, has to pass through special activation and sensitized treatment.
Utilize electrolytic action on machinework, deposit the good but technology of the metal cover that performance is different with body material of attachment.Electrolytic coating is more even than hot dipping layer, generally all thinner, from several micron to tens microns not etc.By plating, decoration protectiveness and various functional upper layer can be obtained on machinework, the workpiece of wearing and tearing and processing error can also be repaired.
Plating is divided into rack plating, barrel plating, the continuously mode such as plating and brush plating, mainly relevant with batch with the size of unplated piece.Rack plating is applicable to the goods of stock size, as the collision bumper of automobile, and the handlebar etc. of bike.Barrel plating is applicable to smallclothes, as fastening piece, packing ring, pin etc.Continuous plating is applicable to mass-producted wire rod and band.Brush plating is applicable to local plating or repairs.Electroplate liquid has acidity that is acid, alkalescence and that be added with chelating agent and neutral solution, no matter adopts which kind of plating mode, the coating bath contacted, hangs tool etc. and should have versatility to a certain degree with goods to be plated with plating solution.
The low-voltage high-current power source that plating needs one are powered to plating tank and the electrolyzer be made up of electroplate liquid, part to be plated (negative electrode) and anode.Wherein to look coating different and different for electroplating bath components, but all containing the main salt providing metal ion, in the main salt of energy complexing, metal ion forms the complexing agent of complex compound, for the buffer reagent of stabilizing solution potential of hydrogen, anode activation agent and special additive (as brightening agent, grain-refining agent, leveling agent, wetting agent, stress relieving agent and inhibiting fog agent etc.).Electroplating process be the metal ion in plating solution under the effect of external electric field, be reduced into atoms metal through electrode reaction, and in the process of negative electrode enterprising row metal deposition.Therefore, this is a metal electrodeposition process comprising the steps such as mass transfer in liquid phase, electrochemical reaction and electrocrystallization.
In the coating bath filling electroplate liquid, through cleaning and the unplated piece of special pre-treatment as negative electrode, make anode with metal lining, the two poles of the earth connect with the negative pole of direct supply and positive pole respectively.Electroplate liquid is made up of the aqueous solution of the salt of the compound containing metal lining, conduction, buffer reagent, pH adjusting agent and additive etc.After energising, the metal ion in electroplate liquid, is moved on negative electrode in the effect of potential difference and forms coating.The metal of anode forms metal ion and enters electroplate liquid, to keep the concentration of the metal ion be plated.In some cases, as chromium plating, be the insoluble anode that employing is plumbous, lead antimony alloy is made, it only plays a part to transmit electronics, On current.Chromium ion concentration in electrolytic solution, need rely on and add chromium cpd to maintain termly in plating solution.During plating, the impurity, power supply wave shape etc. of the quality of anode material, the composition of electroplate liquid, temperature, current density, conduction time, stirring intensity, precipitation all can affect the quality of coating, need to control in good time.
First electroplate liquid has six key elements: main salt, additional salt, complexing agent, buffer reagent, anode activation agent and additive.Electroplating principle comprises four aspects: the electrodeposition process of electroplate liquid, electroplating reaction, electrode and reaction principle, metal.Electrochemical reaction in electroplating reaction: plated part is negative electrode, is connected with the negative pole of direct supply, the positive pole of metal anode and direct supply connects, and anode and the moon all immerse in plating solution.When applying certain potentials at negative and positive two interpolar, then there is following reaction at negative electrode: the metal ions M n+ from plating solution internal divergence to electrode and plating solution interface obtains n electronics from negative electrode, is reduced into metal M.On the other hand, then there is the antipodal reaction with negative electrode at anode, namely the dissolving of metal M anodic interface occurs, discharge n electronics and generate metal ions M n+.
When people electroplate part, the most frequently used instrument is electro-plating roller, and in electroplating process, electro-plating roller rolls in electroplate liquid, and the part to be plated being positioned at electro-plating roller can move at electro-plating roller.But existing electro-plating roller is low to part electroplating efficiency, it is uneven that part easily produces plating, and the filter screen damage on existing electro-plating roller is changed pretty troublesome afterwards.
Chinese utility model patent specification sheets CN 201574210 U openly so a kind of electro-plating roller, this electro-plating roller inwall offers several boring, described boring is made up of the tapered hole section on top and the straight hole section of bottom, all borings arranged adjacent between two on inner wall of rotary drum, the big opening end edge of the tapered hole section of adjacent boring is tangent.This electro-plating roller, by offering multiple boring on the inwall of roller body, effectively reduces the surface-area of drums inside and absorption surface, reduces the surface tension between inner wall of rotary drum and part, workpiece is not sticked on inner wall of rotary drum, improves the quality of product.But this electro-plating roller electroplating efficiency is low, it is uneven that part easily produces plating, and the filter screen damage on electro-plating roller is changed pretty troublesome afterwards.
Chinese invention patent specification sheets CN 103484924 A openly so a kind of electro-plating roller, the cylindrical shell of this electro-plating roller and lid contact position are provided with the transition structure for preventing part to be plated to be stuck in cylindrical shell and lid contact position, by arranging transition structure at cylindrical shell and lid contact position, cylinder inboard wall and lid are seamlessly transitted, be arranged in the part of cylindrical shell in barrel plating process, cylindrical shell and lid contact position can not be stuck in, improve the electroplating quality being positioned at cylinder part.But this electro-plating roller electroplating efficiency is low, it is uneven that part easily produces plating, and the filter screen damage on electro-plating roller is changed pretty troublesome afterwards.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electro-plating roller, and this electro-plating roller improves electroplating efficiency, part is electroplated evenly, and filter screen in electro-plating roller damage after easy and convenient replacing.
In order to solve the problems of the technologies described above, electro-plating roller of the present invention comprises cylinder framework, described cylinder framework comprises two end caps, cross bar, cross bar annular is arranged between two end caps, removably connect between adjacent crossbars and be with the arc of filter screen, end cap outer race has gear, central rotating shaft is provided with in cylinder framework, central rotating shaft two ends are stretched out end cap and are flexibly connected with pillar stiffener, above cylinder framework, turning axle is set, rotating shaft terminal is through pillar stiffener, be flexibly connected with pillar stiffener, on turning axle, cover has driving gear, driving gear is arranged on above end cap gear, driving gear and end cap engaged gears, turning axle one end connects motor, pillar stiffener arranges cathode connector, in cylinder framework, cathode contact is set, cathode connector is connected by wire with cathode contact.
Described end cap inner surface arranges anti-adsorbing mechanism.
Described anti-adsorbing mechanism is several salient points.
Described salient point is spheroid.
Described arc is connected by screw with cross bar.
Described central rotating shaft, turning axle and pillar stiffener junction are all overlapped and are had bearing.
Described motor is Anti-vibration motor.
Described motor is clockwise and anticlockwise motor.
Adopt this electro-plating roller, because cross bar annular is arranged between two end caps, the arc of the band filter screen that removably connects between adjacent crossbars, after the long-time service failure of filter screen of electro-plating roller, the filter screen that can more renew easily, efficiently; Due to pillar stiffener arranging cathode connector, arrange cathode contact in cylinder, cathode connector is connected by wire with cathode contact, which increase the current flowing amount in electroplate liquid, improve electroplating effect, make part coating more even, avoid occurring plating leakage phenomenon; Because end cap inner surface arranges anti-adsorbing mechanism, can prevent part from electroplating process, sticking to end cap inner surface; All overlap due to central rotating shaft, turning axle and pillar stiffener junction and have bearing, central rotating shaft, friction between turning axle and pillar stiffener can be reduced like this; Again because motor is clockwise and anticlockwise motor, cylinder both forward and reverse directions can be made like this to rotate, make part electroplating effect better, plating evenly.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of electro-plating roller of the present invention.
Wherein have: 1. end cap; 2. cross bar; 3. arc; 4. gear; 5. central rotating shaft; 6. pillar stiffener; 7. turning axle; 8. motor; 9. driving gear; 10. cathode connector; 11. wires; 12. cathode contacts.
Embodiment
Electro-plating roller shown in Fig. 1, comprise cylinder framework, described cylinder framework comprises two end caps 1, cross bar 2, cross bar 2 annular is arranged between two end caps 1, removably connect between adjacent crossbars 2 and be with the arc 3 of filter screen, end cap 1 outer race has gear 4, central rotating shaft 5 is provided with in cylinder framework, central rotating shaft 5 two ends are stretched out end cap 1 and are flexibly connected with pillar stiffener 6, turning axle 7 is set above cylinder framework, turning axle 7 two ends are through pillar stiffener 6, be flexibly connected with pillar stiffener 6, on turning axle 7, cover has driving gear 9, driving gear 9 is arranged on above end cap gear 4, driving gear 9 is engaged with end cap gear 4, turning axle 7 one end connects motor 8, pillar stiffener 6 is arranged cathode connector 10, cathode contact 12 is set in cylinder framework, cathode connector 10 is connected by wire 11 with cathode contact 12.
Described end cap inner surface arranges anti-adsorbing mechanism.
Described anti-adsorbing mechanism is several salient points.
Described salient point is spheroid.
Described arc 3 is connected by screw with cross bar 2.
Described central rotating shaft 5, turning axle 7 all overlap with pillar stiffener 6 junction bearing.
Described motor 8 is Anti-vibration motor.
Described motor 8 is clockwise and anticlockwise motor.
Prevent in electro-plating roller by needing the part of plating, starter motor 8, motor 8 drives driving gear 9 to rotate, driving gear 9 is engaged with end cap gear 4, thus drive electro-plating roller to rotate, when cylinder 1 rotates, open cathode connector 14 simultaneously, make cathode contact 16 generation current in electroplate liquid, add the current flowing amount in electroplate liquid, improve electroplating effect, make part coating more even, after the filter screen that electro-plating roller is used damages, only need pull down arc 3, replace with new filter screen.
Because cross bar 2 annular is arranged between two end caps 1, the arc 3 of the band filter screen that removably connects between adjacent crossbars 2, after the long-time service failure of filter screen of electro-plating roller, the filter screen that can more renew easily, efficiently; Due to pillar stiffener 6 arranging cathode connector 10, arrange cathode contact 12 in cylinder, cathode connector 10 is connected by wire 11 with cathode contact 12, which increase the current flowing amount in electroplate liquid, improve electroplating effect, make part coating more even, avoid occurring plating leakage phenomenon; Because end cap 1 inner surface arranges anti-adsorbing mechanism, can prevent part from electroplating process, sticking to end cap 1 inner surface; There is bearing because central rotating shaft 5, turning axle 7 all overlap with pillar stiffener 6 junction, central rotating shaft 5, friction between turning axle 7 and pillar stiffener 6 can be reduced like this; Again because motor 8 is clockwise and anticlockwise motor, cylinder both forward and reverse directions can be made like this to rotate, make part electroplating effect better, plating evenly.
The technical characteristic described in detail is not had to be prior art in the application.Above-described embodiment is the principle of illustrative the application and effect thereof only, but not for limiting the application.Any person skilled in the art scholar all under the spirit and category of the application, can modify above-described embodiment or changes.Therefore, have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the application discloses, must be contained by the claim of the application.
Claims (8)
1. an electro-plating roller, it is characterized in that: comprise cylinder framework, described cylinder framework comprises two end caps (1), cross bar (2), cross bar (2) annular is arranged between two end caps (1), removably connect between adjacent crossbars (2) and be with the arc (3) of filter screen, end cap (1) outer race has gear (4), central rotating shaft (5) is provided with in cylinder framework, central rotating shaft (5) two ends are stretched out end cap (1) and are flexibly connected with pillar stiffener (6), turning axle (7) is set above cylinder framework, turning axle (7) two ends are through pillar stiffener (6), be flexibly connected with pillar stiffener (6), the upper cover of turning axle (7) has driving gear (9), driving gear (9) is arranged on end cap gear (4) top, driving gear (9) is engaged with end cap gear (4), turning axle (7) one end connects motor (8), pillar stiffener (6) is arranged cathode connector (10), cathode contact (12) is set in cylinder framework, cathode connector (10) is connected by wire (11) with cathode contact (12).
2. according to electro-plating roller according to claim 1, it is characterized in that: described end cap inner surface arranges anti-adsorbing mechanism.
3. according to electro-plating roller according to claim 2, it is characterized in that: described anti-adsorbing mechanism is several salient points.
4. according to electro-plating roller according to claim 3, it is characterized in that: described salient point is spheroid.
5. according to electro-plating roller according to claim 1, it is characterized in that: described arc (3) is connected by screw with cross bar (2).
6. according to electro-plating roller according to claim 1, it is characterized in that: described central rotating shaft (5), turning axle (7) and pillar stiffener (6) junction are all overlapped and had bearing.
7. according to electro-plating roller according to claim 1, it is characterized in that: described motor (8) is Anti-vibration motor.
8. according to electro-plating roller according to claim 1, it is characterized in that: described motor (8) is clockwise and anticlockwise motor.
Priority Applications (1)
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CN201410650584.7A CN104499036A (en) | 2014-11-14 | 2014-11-14 | Electroplating roller |
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CN201410650584.7A CN104499036A (en) | 2014-11-14 | 2014-11-14 | Electroplating roller |
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CN104499036A true CN104499036A (en) | 2015-04-08 |
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CN201410650584.7A Pending CN104499036A (en) | 2014-11-14 | 2014-11-14 | Electroplating roller |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105019009A (en) * | 2015-06-30 | 2015-11-04 | 苏州华日金菱机械有限公司 | Multifunctional electroplating roller |
CN105040084A (en) * | 2015-06-30 | 2015-11-11 | 苏州华日金菱机械有限公司 | Electroplating roller |
CN108611669A (en) * | 2016-12-12 | 2018-10-02 | 中国航空工业标准件制造有限责任公司 | A kind of alternation formula method for plating |
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