CN105803493B - The small motion hollow out anode electroforming system and method for complex thin-wall type face manufacture - Google Patents

The small motion hollow out anode electroforming system and method for complex thin-wall type face manufacture Download PDF

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Publication number
CN105803493B
CN105803493B CN201610167288.0A CN201610167288A CN105803493B CN 105803493 B CN105803493 B CN 105803493B CN 201610167288 A CN201610167288 A CN 201610167288A CN 105803493 B CN105803493 B CN 105803493B
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anode
insoluble
small motion
electroforming
hollow out
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CN105803493A (en
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朱增伟
马群
沈春健
汤继磊
唐小聪
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00Electroforming
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00Electroforming
    • C25D1/10Moulds; Masks; Masterforms
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/04Removal of gases or vapours ; Gas or pressure control
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/10Agitating of electrolytes; Moving of racks

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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)
  • Manufacturing Optical Record Carriers (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

A kind of the small motion hollow out anode electroforming system and method for the manufacture of complex thin-wall type face, belong to eletroforming field.The technology uses the insoluble conformal anode of hollow out(3)With small motion mechanism(1).During electroforming, anode uses the insoluble conformal anode of hollow out, and small―gap suture is kept between anode and cathode.Small motion mechanism(1)Drive anode(3)Small motion is carried out with appropriate amplitude and frequency, can avoid influence of the hollow out position to cathode surface electric field, and can effectively agitating solution, remove the bubble hydrogen of cathode surface absorption, improve the mass transfer velocity of electro-deposition.It can ensure that cathode surface obtains more uniform electric field and flow field using the present invention, so as to improve the uniformity of complex thin-wall type face electroformed layer.

Description

The small motion hollow out anode electroforming system and method for complex thin-wall type face manufacture
Technical field
The present invention a kind of the small motion hollow out anode electroforming system and method for the manufacture of complex thin-wall type face, belong to accurate electricity Foundry work process.
Background technology
For complex thin-wall component due to its light weight, the features such as intensity is high, is widely used in aviation aeronautical field, particularly exists Contemporary aircraft is pursued at a high speed, under high motor-driven and light-weighted requirement.Thin-walled parts have planform complexity, wall thickness dimension small The features such as.During using traditional processing, it is easy to make the influence of thin-walled parts stress deformation, temperature distortion, vibration deformation.Electroforming skill Art is the precision machining method based on principles of electro-deposition, have that accuracy of repetition is high, tool-electrode is lossless and it is non-contact plus The advantages of work, be advantageous to the manufacture forming of thin-walled parts, such as frame-type composite material mould, the electroforming in its type face should With.
During electroforming, the uniformity of cathode surface Electric Field Distribution is to ensure electroforming part thickness evenness and its mechanical performance Key, and anode shape and position determine the distribution of cathode surface electric field.At the same time, in metal ion deposition process In, cathode surface can separate out a large amount of hydrogen, and cathode surface is trapped in the form of bubble, will if can not exclude in time Metal ion deposition can be hindered, can also influence the physical and mechanical property of electroformed layer.
The content of the invention
It is an object of the invention to for electroforming layer thickness homogeneity and surface quality in the galvanoplastics of complex thin-wall type face Poor, there is provided a kind of to produce the electroforming system and electrocasting method that electroformed layer uniformity is good, surface quality is high.
A kind of small motion hollow out anode electroforming system of complex thin-wall type face manufacture, including power supply, reservoir, carry potential overflow The electrotyping bath of groove, be connected electroforming solution circulated filter system, the temperature control heating system positioned at reservoir with above-mentioned reservoir and electrotyping bath System;It is characterized in that:
In above-mentioned electrotyping bath, it is insoluble that insulating materials negative electrode stationary fixture, negative electrode core, hollow type are followed successively by from bottom to top Conformal anode;The Internal periphery shape of the insoluble conformal anode of hollow type is corresponding with the Internal periphery of the negative electrode core, i.e. hollow out The Internal periphery of the insoluble conformal anode of formula is with the Internal periphery of negative electrode core everywhere apart from equal;Distance is 1-5mm;Hollow type is insoluble The size in property conformal anode Internal periphery hole is 1-2mm, and all hole sizes do not require equal, and the distance between borehole of anode Internal periphery is 4- 6mm;The system also includes the small motion mechanism being connected with the insoluble conformal anode of hollow type.
Complex thin-wall type face manufacture small motion hollow out anode electroforming system electrocasting method, it is characterised in that including with Lower process:Small motion mechanism drives the insoluble conformal anode micro breadth oscillation of hollow type, motion amplitude 1-3mm, and moves width Degree avoids influence of the engraved structure to cathode surface electric field more than the size in the hole of the insoluble conformal anode of hollow type;And Micro breadth oscillation can effective agitating solution.The engraved structure of the insoluble conformal anode of hollow type, renewal, bubble hydrogen beneficial to solution Exclude.
It is a feature of the present invention that:1st, using the insoluble conformal anode of hollow out, more new soln and discharge hydrogen are advantageous to Bubble.Coordinated between anode and cathode using small―gap suture(Distance is 1-5mm), ensure cathode surface Electric Field Distribution uniformity.Hollow type is not The size in dissolubility conformal anode Internal periphery hole is 1-2mm, and the distance between borehole of anode Internal periphery is 4-6mm, in such hole density Under, enable to enough solution to be entered by hole between negative electrode and anode, ensure that cathode surface solution can in time more Newly, bubble hydrogen can be discharged easily.2nd, small motion mechanism drives anode to carry out small motion with appropriate amplitude and frequency, Influence of the hollow out position to cathode surface electric field can be avoided, and effectively agitating solution, removal cathode surface can be adsorbed Bubble hydrogen, improve the mass transfer velocity of electro-deposition, ensure that cathode surface obtains more uniform flow field, so as to improve complex thin-wall type face The uniformity and surface quality of electroformed layer.
The small motion hollow out anode electroforming system of complex thin-wall type face manufacture, it is characterised in that:The electricity of above-mentioned electrotyping bath Casting liquid entrance is located among the bottom of electrotyping bath, and the electroforming solution outlet of electrotyping bath is located at overflow launder side lower, ensure that electroforming The stabilization of liquid level in groove.
The small motion hollow out anode electroforming system of complex thin-wall type face manufacture, it is characterised in that:In above-mentioned electrotyping bath, institute State and also have apertured partition below insulating materials negative electrode stationary fixture, enable electroforming solution evenly into negative and positive interpolar.
Brief description of the drawings
Fig. 1 is complex thin-wall structure electrotyping process process unit overall structure diagram
Fig. 2 hollow out anode working schematic diagrams
Label title in Fig. 1:1st, small motion mechanism, 2, electricity-leading device, 3, the insoluble conformal anode of hollow out, 4, core Mould, 5, insulating materials stationary fixture, 6, apertured partition, 7, electrotyping bath, 8, overflow launder, 9, temperature controller, 10, heater, 11, liquid storage Groove, 12, ball valve, 13, overflow valve, 14, filter, 15, magnetic drive pump, 16, power supply, 17, workbench, 18, bubble hydrogen, 19, gold Belong to cation.
Embodiment
Implement the present invention --- the device of " a kind of hollow out anode for the face electroforming of complex thin-wall type ", as shown in figure 1, its Device include small motion mechanism 1, electricity-leading device 2, electrotyping bath 7, reservoir 11, magnetic drive pump 15, filter 14, ball valve 12, overflow Flow valve 13, temperature controller 9, heater 10, power supply 16, workbench 17.
A kind of patent " hollow out anode for the face electroforming of complex thin-wall type " principle and process of the present invention:Using conductive Material(Such as stainless steel)The core being process makees negative electrode 4, the anode Internal periphery shape relative with negative electrode, by contoured design Conformal anode 3 use electrically conductive material(Such as titanium net)It is processed into engraved structure.Electroforming solution circulating filtration, and added by temperature control Thermal, keeping temperature are constant;Small motion mechanism 1 drives anode 3 to pass through insulating materials with appropriate small motion, core 4 Fixture 5 is fixed, and negative electrode keeps small―gap suture to coordinate with anode(Distance is 1-5mm).Electroforming solution is delayed from electroforming trench bottom Slow feed flow, the stabilization of electroforming liquid level, maintained by overflow launder 8.In cathodic electrodeposition process, anode is insoluble using hollow out Property conformal anode, with negative electrode using small―gap suture coordinate(Distance is 1-5mm), cathode surface can be made to obtain uniform electric field;Engrave The size in the empty insoluble conformal anode Internal periphery hole of formula is 1-2mm, and the distance between borehole of anode Internal periphery is 4-6mm, ensures hole Under density case so that enough solution is entered between anode and cathode by hole, it is ensured that cathode surface more new soln, discharge in time Bubble hydrogen;The small motion of anode 3, influence of the hollow out position to cathode surface electric field can be avoided, and can effectively stirred Solution is mixed, removes the bubble hydrogen of cathode surface absorption, improves the mass transfer velocity of electro-deposition, ensures that cathode surface obtains more uniform stream .After electroformed layer reaches specific thickness, cut off the electricity supply, stop electroforming, core is taken out, after cleaning-drying, separate metal deposit Layer, you can obtain the required electroforming part for meeting performance requirement.

Claims (2)

1. a kind of small motion hollow out anode electroforming system of complex thin-wall type face manufacture, including power supply(16), reservoir(11)、 Carry potential overflow groove(8)Electrotyping bath(7)And above-mentioned reservoir(11)And electrotyping bath(7)The electroforming solution that is connected circulated filter system, it is located at Reservoir(11)Temperature control heating system;It is characterized in that:
Above-mentioned electrotyping bath(7)In, insulating materials negative electrode stationary fixture is followed successively by from bottom to top(5), negative electrode core(4), hollow type Insoluble conformal anode(3);
The above-mentioned insoluble conformal anode of hollow type(3)Internal periphery shape and the negative electrode core(4)Internal periphery it is corresponding, i.e., The insoluble conformal anode of hollow type(3)Internal periphery and negative electrode core(4)Internal periphery everywhere apart from equal;Distance is 1-5mm;
The above-mentioned insoluble conformal anode of hollow type(3)The size in Internal periphery hole is 1-2mm, and all hole sizes do not require equal, sun The distance between borehole of pole Internal periphery is 4-6mm;
The system also includes and the insoluble conformal anode of above-mentioned hollow type(3)Connected small motion mechanism(1), small motion machine It is insoluble that structure drives the insoluble conformal anode micro breadth oscillation of hollow type, motion amplitude 1-3mm, and motion amplitude to be more than hollow type The size in the hole of conformal anode;
Above-mentioned electrotyping bath(7)Electroforming solution entrance be located at electrotyping bath(7)Bottom among, electrotyping bath(7)Electroforming solution outlet is located at Overflow launder(8)Side lower;
Above-mentioned electrotyping bath(7)It is interior, the insulating materials negative electrode stationary fixture(5)There is apertured partition lower section(6).
2. the electroforming side of the small motion hollow out anode electroforming system using the complex thin-wall type face manufacture described in claim 1 Method, it is characterised in that including procedure below:
Small motion mechanism(1)Drive the insoluble conformal anode of hollow type(3)Micro breadth oscillation, motion amplitude 1-3mm, and move Amplitude is more than the insoluble conformal anode of hollow type(3)Hole size, avoid influence of the engraved structure to cathode surface electric field; And micro breadth oscillation can effective agitating solution;
The insoluble conformal anode of hollow type(3)Engraved structure, renewal, bubble hydrogen beneficial to solution exclude.
CN201610167288.0A 2015-12-14 2016-03-23 The small motion hollow out anode electroforming system and method for complex thin-wall type face manufacture Active CN105803493B (en)

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CN108441906A (en) * 2018-05-10 2018-08-24 东莞市联洲知识产权运营管理有限公司 A kind of plating vibrations air bubble extinguishing apparatus
CN109226098A (en) * 2018-08-24 2019-01-18 南京航空航天大学 A kind of laser cleaning original position electric deposition device and method
CN109234769A (en) * 2018-10-09 2019-01-18 福建夜光达科技股份有限公司 A kind of preparation method of ultra-thin metal layer
CN113106510B (en) * 2021-04-09 2022-05-03 山东理工大学 Metal structural part machining device and machining method thereof
CN114703513B (en) * 2022-03-28 2023-11-07 南京航空航天大学 High-speed flushing device and method for cathode surface in remote anode electroforming
CN114959806B (en) * 2022-06-02 2024-05-07 江苏理工学院 Array through hole electroforming device and two-dimensional material modification method

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN2787685Y (en) * 2005-04-28 2006-06-14 江苏华达涂层有限公司 Reticular anode arrangement of electroplating tank
CN102102213A (en) * 2009-12-17 2011-06-22 河南理工大学 Micro-electroforming method based on magnetic force-driven convection effect and device thereof
CN102586813A (en) * 2012-02-03 2012-07-18 河南理工大学 Microelectroforming machine tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2787685Y (en) * 2005-04-28 2006-06-14 江苏华达涂层有限公司 Reticular anode arrangement of electroplating tank
CN102102213A (en) * 2009-12-17 2011-06-22 河南理工大学 Micro-electroforming method based on magnetic force-driven convection effect and device thereof
CN102586813A (en) * 2012-02-03 2012-07-18 河南理工大学 Microelectroforming machine tool

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