CN109402691A - A kind of aperture chrome-plating device - Google Patents
A kind of aperture chrome-plating device Download PDFInfo
- Publication number
- CN109402691A CN109402691A CN201811426524.1A CN201811426524A CN109402691A CN 109402691 A CN109402691 A CN 109402691A CN 201811426524 A CN201811426524 A CN 201811426524A CN 109402691 A CN109402691 A CN 109402691A
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- CN
- China
- Prior art keywords
- hole
- plate
- conductive plate
- electrode
- chrome
- Prior art date
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Classifications
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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
-
- 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
-
- 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
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
Abstract
The invention discloses a kind of aperture chrome-plating devices, conductive plate (1), lower bottom base (2) and hook (5) including being connected and being conductor with groove body cathode, and it is located above conductive plate (1) and is connected with groove body anode and is the electrode (3) of conductor, and the upper bed-plate (4) as insulator.Parts fixation of the present invention, disassembly are easy, and firm；Device well conducting, will not there is a situation where chromium plating faces without coating, the material of upper bed-plate has fully ensured that the electrode and cathode isolation as impressed current anode；Sufficiently, air-flow is unobstructed, effectively prevents coating bulge, the defects of binding force is poor for the ventilatory capacity design of exhaust hole；The design of auxiliary anode electrode stick is reasonable, and fixed form is simple and effective, can guarantee coaxial with inner bore of part, and coating is uniform, careful；Second screw can be used for adjusting the position of part comparative electrode, it is ensured that concentricity and electrode between part inner wall at a distance from.
Description
Technical field
The present invention relates to a kind of devices of parts with small hole chromium plating, belong to technical field of metal material surface treatment.
Background technique
For Cr-plating Bath since dispersibility is poor, cathode efficiency is low, and when carrying out chromium plating, it is uniform, careful to be difficult to obtain
Coating to obtain that qualified coating difficulty is very big especially for small-bore chromium plating, in the electric conductivity of chrome-plating clamp and part, hole
The factors such as concentricity problem of exhausting problem, impressed current anode and part, can influence quality of coating in the circulation of solution, hole.
Currently, aperture chromium plating is both needed to the device and impressed current anode of retaining element, but required not according to part shape and technique
Together, the installation way of fixture, impressed current anode, conducting system, vent design etc. are all different.In process, it has
The problems such as clamping is inconvenient, conductive bad, and exhaust has some setbacks, and uneven coating is even.
Summary of the invention
The present invention is intended to provide a kind of aperture chrome-plating device, part and smooth gas discharge in fixture well conducting, hole, auxiliary are realized
Supporing yang pole and inner bore of part are coaxial, improve inner bore of part chrome layer uniformity, specifically, the present invention needs to overcome following three
The problem of aspect:
(1) solve conductivity issues: part and groove body cathode are conductive, impressed current anode and groove body anode conducting, and cathode with
Between anode cannot conductive (except in tank liquor), and the device will be convenient for parts fixation；
(2) bubble is generated because that side reaction can occur on electrode, and part aperture is smaller, it is more difficult to be vented, and to solve to be vented
Problem and hole inside groove liquid stream general character problem；
(3) because inner bore of part aperture is different, so to solve impressed current anode and inner bore of part concentricity problem, and impressed current anode
Surface is equal to inner bore of part surface distance, guarantees inner surface uniform current density.The part process requires inner hole chrome, coating
25 μm of thickness.
A kind of aperture chrome-plating device, conductive plate, lower bottom base and hook including being connected and being conductor with groove body cathode, and
It is connected above conductive plate and with groove body anode and is the electrode of conductor, and the upper bed-plate (slot here as insulator
Body refers to the groove body of chrome-plating bath)；
There is a part positioning through hole on the conductive plate, conductive plate lower end is detachably connected with lower bottom base, has on lower bottom base
One first through hole coaxial with part positioning through hole, the outside of lower bottom base are the hook being detachably connected with conductive plate；
The electrode passes through the second through-hole on upper bed-plate；
Axis is threaded on the side surface of the upper bed-plate perpendicular to the first screw of the second through-bore axis, upper bed-plate
On be additionally provided with multiple air-flow through-holes.
Preferably, there is a positioning groove in the conductive plate lower end surface, is lower bottom base in groove, and the lower bottom base is in cylinder
Shape, has on outer surface a ring shape to install side, and annular installation side is connected by the second screw with conductive plate.
Preferably, the upper bed-plate is the tube-like piece of the glass steel material with upper surface, is provided with second on end face thereon
The gentle recirculation hole of through-hole, threaded hole is provided on side wall, and the inner cavity internal diameter of upper bed-plate is greater than the outer diameter of part.
Preferably, the electrode is ladder circle column, and lower end is located in first through hole.
Preferably, the axis of the air-flow through-hole is parallel to the second through-hole.
Preferably, the hook is connected by screw bolt and nut with conductive plate.
Compared with prior art, the invention has the characteristics that:
(1) parts fixation, disassembly are easy, and firm；
(2) the device well conducting, will not there is a situation where chromium plating faces without coating, the material of upper bed-plate has fully ensured that work
For the electrode and cathode isolation of impressed current anode；
(3) sufficiently, air-flow is unobstructed for the ventilatory capacity design of exhaust hole, effectively prevents coating bulge, binding force difference etc. and lacks
It falls into；
(4) design of auxiliary anode electrode stick is reasonable, and fixed form is simple and effective, can guarantee, plating coaxial with inner bore of part
Layer is uniform, careful；
(5) second screws can be used for adjusting the position of part comparative electrode, it is ensured that concentricity and electrode and part inner wall
Between distance.
Detailed description of the invention
Fig. 1 be chrome-plated part clamping in aperture chrome-plating device of the invention when status diagram；
In figure: 1 --- conductive plate；2 --- lower bottom base；3 --- electrode；4 --- upper bed-plate；5 --- hook；6 --- the
One screw；7 --- the second screw；8 --- bolt；9 --- nut；10 --- part.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing, but required protection scope does not limit to
In described.
As shown in Figure 1, aperture chrome-plating device includes being connected with groove body cathode and is the conductive plate 1, lower bottom base 2 and extension of conductor
Hook 5, and it is connected above conductive plate 1 and with groove body anode and is the electrode 3 of conductor, and the upper bed-plate as insulator
4；Have a part positioning through hole on conductive plate 1,1 lower end of conductive plate is detachably connected with lower bottom base 2, have on lower bottom base 2 one with
The coaxial first through hole of part positioning through hole, the outside of lower bottom base 2 are the hook 5 being detachably connected with conductive plate 1；Electrode 3 is worn
Cross the second through-hole on upper bed-plate 4；Axis is threaded on the side surface of upper bed-plate 4 perpendicular to the first of the second through-bore axis
Screw 6 is additionally provided with multiple air-flow through-holes on upper bed-plate 4.
As a kind of selection, there is a positioning groove in 1 lower end surface of conductive plate, is lower bottom base 2 in groove, and lower bottom base 2 is in cylinder
Shape, has on outer surface a ring shape to install side, and annular installation side is connected by the second screw 7 with conductive plate 1.
As a kind of selection, upper bed-plate 4 is the tube-like piece of the glass steel material with upper surface, upper bed-plate 4 it is interior intracavitary
Diameter is greater than the outer diameter of part 10, is provided with the gentle recirculation hole of the second through-hole on 4 upper surface of upper bed-plate, is provided with threaded hole on side wall.
As a kind of selection, electrode 3 is ladder circle column, and lower end is located in first through hole.
As a kind of selection, the axis of air-flow through-hole is parallel to the second through-hole.
As a kind of selection, hook 5 is connected by bolt 8 and nut 9 with conductive plate 1.
Aperture chrome-plating device is divided into two parts of element fixing device and auxiliary anode device, element fixing device and groove body
Cathode is connected, and can be conductive；Impressed current anode will be connected with groove body anode, and can be conductive.Element fixing device is mainly by leading
Electric piece 1, lower bottom base 2, the 5, second screw 7 of hook, bolt 8, nut 9 form, and part 10 is fixed on conductive sheet 1, and with going to the bottom
Seat 2 reinforces conductive sheet 1, and hook 5 is mounted on 1 both ends of conductive sheet.Auxiliary anode device is mainly made of upper bed-plate 4 and electrode 3, on
Pedestal 4 is equipped with 5 through-holes, is located in the middle the second through-hole for fixing electrode bar, remaining 4 air-flow through-hole is used for gas stream
It is logical.Electrode 3 is as auxiliary anode electrode stick according to three positions of the shape of part 10 point: top isIntermediate position is
Tail portion is
Aperture chrome-plating device constitutes cathode conductive path by hook 5 and conductive plate 1；Second spiral shell of lower bottom base 2 and conductive plate 1
7 installation of nail is to reinforce conductive plate 1；It uses copper wire that will connect as the electrode 3 of impressed current anode with anode stub, constitutes anode conducting
Access；And the upper bed-plate 4 made of glass reinforced plastic and cathod system insulate, and upper bed-plate 4 has air-flow through-hole to enhance electroplating process
In interior hole solution, gas circulation.Anode is made according to factors such as part shape, Anode-cathode Distances in the aperture chrome-plating device, mentions
High layers of chrome uniformity；It in chrome-plating process, is electroplated using low current, reduces chromium tumor, the defects of binding force is poor.
Claims (6)
1. a kind of aperture chrome-plating device, it is characterised in that: including being connected with groove body cathode and being the conductive plate (1) of conductor, bottom
Seat (2) and hook (5), and it is located above conductive plate (1) and is connected with groove body anode and is the electrode (3) of conductor, Yi Jizuo
For the upper bed-plate (4) of insulator；
There is a part positioning through hole on the conductive plate (1), conductive plate (1) lower end is detachably connected with lower bottom base (2), lower bottom base
(2) there is a first through hole coaxial with part positioning through hole on, the outside of lower bottom base (2) is detachably to connect with conductive plate (1)
The hook (5) connect；
The electrode (3) passes through the second through-hole on upper bed-plate (4)；
Axis is threaded on the side surface of the upper bed-plate (4) perpendicular to the first screw (6) of the second through-bore axis, upper bottom
Multiple air-flow through-holes are additionally provided on seat (4).
2. a kind of aperture chrome-plating device according to claim 1, it is characterised in that: the conductive plate (1)
There is a positioning groove in lower end surface, is lower bottom base (2) in groove, the lower bottom base (2) is cylindrical, there is one on outer surface
Ring shape installs side, and annular installation side is connected by the second screw (7) with conductive plate (1).
3. a kind of aperture chrome-plating device according to claim 1, it is characterised in that: the upper bed-plate (4)
For the tube-like piece of the glass steel material with upper surface, the gentle recirculation hole of the second through-hole, side wall are provided on end face thereon
On be provided with threaded hole, the inner cavity internal diameter of upper bed-plate (4) is greater than the outer diameter of part (10).
4. a kind of aperture chrome-plating device according to claim 1, it is characterised in that: the electrode (3) is ladder circle column,
Its lower end is located in first through hole.
5. a kind of aperture chrome-plating device according to claim 1, it is characterised in that: the axis of the air-flow through-hole is parallel to
Second through-hole.
6. a kind of aperture chrome-plating device according to claim 1, it is characterised in that: the hook (5) by bolt (8) and
Nut (9) is connected with conductive plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426524.1A CN109402691B (en) | 2018-11-27 | 2018-11-27 | Small hole chromium plating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426524.1A CN109402691B (en) | 2018-11-27 | 2018-11-27 | Small hole chromium plating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109402691A true CN109402691A (en) | 2019-03-01 |
| CN109402691B CN109402691B (en) | 2021-01-22 |
Family
ID=65455804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811426524.1A Active CN109402691B (en) | 2018-11-27 | 2018-11-27 | Small hole chromium plating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109402691B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959850A (en) * | 2022-06-16 | 2022-08-30 | 中国航发贵州黎阳航空动力有限公司 | Chromium plating device for inner hole of sealed shell and mounting method of chromium plating device |
| CN115012009A (en) * | 2022-04-14 | 2022-09-06 | 中国航发贵州黎阳航空动力有限公司 | Local galvanizing method and device for complex casting part |
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| CN101012570A (en) * | 2006-12-22 | 2007-08-08 | 成都发动机（集团）有限公司 | Method for plating hard chrome on complex bore element and special fixture therefor |
| CN201704428U (en) * | 2010-05-23 | 2011-01-12 | 宁波轴瓦厂 | Bearing bush plating rack |
| CN202482457U (en) * | 2011-12-18 | 2012-10-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Auxiliary device for high pressure turbine journal inner diameter narrow side chromium plating |
| CN103160897A (en) * | 2011-12-18 | 2013-06-19 | 沈阳黎明航空发动机(集团)有限责任公司 | High pressure turbine shaft neck inner diameter narrow side chroming method |
| CN104818507A (en) * | 2015-04-02 | 2015-08-05 | 中航飞机股份有限公司西安飞机分公司 | Method for preventing cracking of electroplated chrome layer at internal cylinder part slope |
| CN106702451A (en) * | 2016-11-28 | 2017-05-24 | 中航飞机起落架有限责任公司 | Deep blind hole hard anodizing device and machining method of part |
| CN206368205U (en) * | 2016-12-26 | 2017-08-01 | 烟台万斯特有限公司 | A kind of state V, the cylinder sleeve bore chrome-plating clamp of state VI |
| CN206396344U (en) * | 2017-01-16 | 2017-08-11 | 长沙五七一二飞机工业有限责任公司 | A kind of internal diameter chromium plating servicing unit of booster outer barrel |
-
2018
- 2018-11-27 CN CN201811426524.1A patent/CN109402691B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941674A (en) * | 1974-05-31 | 1976-03-02 | Monroe Belgium N.V. | Plating rack |
| CN101012570A (en) * | 2006-12-22 | 2007-08-08 | 成都发动机（集团）有限公司 | Method for plating hard chrome on complex bore element and special fixture therefor |
| CN201704428U (en) * | 2010-05-23 | 2011-01-12 | 宁波轴瓦厂 | Bearing bush plating rack |
| CN202482457U (en) * | 2011-12-18 | 2012-10-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Auxiliary device for high pressure turbine journal inner diameter narrow side chromium plating |
| CN103160897A (en) * | 2011-12-18 | 2013-06-19 | 沈阳黎明航空发动机(集团)有限责任公司 | High pressure turbine shaft neck inner diameter narrow side chroming method |
| CN104818507A (en) * | 2015-04-02 | 2015-08-05 | 中航飞机股份有限公司西安飞机分公司 | Method for preventing cracking of electroplated chrome layer at internal cylinder part slope |
| CN106702451A (en) * | 2016-11-28 | 2017-05-24 | 中航飞机起落架有限责任公司 | Deep blind hole hard anodizing device and machining method of part |
| CN206368205U (en) * | 2016-12-26 | 2017-08-01 | 烟台万斯特有限公司 | A kind of state V, the cylinder sleeve bore chrome-plating clamp of state VI |
| CN206396344U (en) * | 2017-01-16 | 2017-08-11 | 长沙五七一二飞机工业有限责任公司 | A kind of internal diameter chromium plating servicing unit of booster outer barrel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012009A (en) * | 2022-04-14 | 2022-09-06 | 中国航发贵州黎阳航空动力有限公司 | Local galvanizing method and device for complex casting part |
| CN115012009B (en) * | 2022-04-14 | 2024-03-01 | 中国航发贵州黎阳航空动力有限公司 | Method and device for local galvanization of complex cast part |
| CN114959850A (en) * | 2022-06-16 | 2022-08-30 | 中国航发贵州黎阳航空动力有限公司 | Chromium plating device for inner hole of sealed shell and mounting method of chromium plating device |
| CN114959850B (en) * | 2022-06-16 | 2024-03-26 | 中国航发贵州黎阳航空动力有限公司 | Chromium plating device for inner hole of sealed shell and mounting method of chromium plating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109402691B (en) | 2021-01-22 |
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