CN103831497A - Snakelike runner movable formwork cluster hole electrochemical machining device and machining method - Google Patents
Snakelike runner movable formwork cluster hole electrochemical machining device and machining method Download PDFInfo
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- CN103831497A CN103831497A CN201310640987.9A CN201310640987A CN103831497A CN 103831497 A CN103831497 A CN 103831497A CN 201310640987 A CN201310640987 A CN 201310640987A CN 103831497 A CN103831497 A CN 103831497A
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- 238000003754 machining Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009415 formwork Methods 0.000 title abstract 4
- 239000003792 electrolyte Substances 0.000 claims abstract description 18
- 238000007514 turning Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 239000011148 porous material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention relates to a snakelike runner movable formwork cluster hole electrochemical machining device and a machining method and belongs to the technical field of electrochemical machining. The snakelike runner movable formwork cluster hole electrochemical machine device and machining method are characterized in that a traditional wide runner is changed into a snakelike runner, the runner is narrowed, and flow field distribution evenness on the cross section of the runner in a machining area is improved; the flow velocity of the machining area is relatively improved, machined products can be fast discharged, electric field and flow field parameters are reasonably selected, the flow field state of the machining area can be stable, and machining quality is improved. The machining device comprises a power supply, an electrolyte circulation system, an electrochemical machining machine tool, a mask plate negative electrode and a tool clamp. The snakelike runner movable formwork cluster hole electrochemical machining device and the machining method have important significance in improving the cluster hole electrochemical machining flow field distribution evenness and ensuring that a large-area thin-wall hole plate can be machined at a time.
Description
Affiliated technical field
Serpentine flow path collapsible form group hole electrolytic machining device of the present invention and processing method, belong to technical field of electrolysis processing.
Background technology
At present, common group's hole forming method has: machining, Laser Processing, spark machined, the processing of electrochemistry jet, Photographic ECM etc.But said method is in the time of difficult processing cutting material thin plate group pore structure, the deficiency that all exists some self to be difficult to overcome.Such as easily produce distortion in machining due to residual stress concentrations; There is heat affected area in the surface of the work after the processing of laser processing technology and spark technology, workpiece easily thermal deformation occurs and causes the generation of micro-crack; In capillary and electric liquid Shu Jiagong, capillary is frangible, is not suitable for realizing array porous processing, and hydrojet processing dispersion corrosion degree is larger; Photographic ECM technology manufacturing procedure is more tired, and working (machining) efficiency is lower, and photoresist film easily peels off etc.Electrolyzed Processing is that one utilizes Anodic solution principle to carry out material ablation, and the technique of part machine-shaping the most at last.This technology is not limited by workpiece material mechanics, mechanical performance, its piece surface crudy is high, unstressed, without heat affected area, tool cathode is lossless.Along with the development of science and technology and industrial technology, form to part and yardstick have proposed new requirement, and product is to precise treatment, microminiaturized development, and the part application of miniature scale is increasingly extensive, the part of thin plate group pore structure is a kind of strength member wherein, is widely applied.
Collapsible form electrochemical Machining Technology is based on electrochemical general principle, i.e. anode electrochemical solution theory and a kind of electrochemical machining method of being derived.Adopting collapsible form electrochemical Machining Technology to process is to be close to one deck mask plate on the surface of workpiece, is drilled with the hole in suitable aperture on mask plate, after mask plate and workpiece are adjacent to, forms the exposed surface with certain pore size on workpiece, then carries out Electrolyzed Processing.Utilize negative electrode template to make electric current concentrate on region to be processed and carry out aperture processing, non-machining area, because negative electrode template covers, infiltrates without electrolyte, and electrochemical reaction does not occur.And be not subject to the subparticipation reaction of mask protection to be obtained required aperture by ablation.Single-sided process mode and two-sided processing mode comparison, two-sided processing mode clamping can reduce the tapering in hole, improves machining accuracy and the working (machining) efficiency in hole.Its installation way is the both sides that two templates are close to respectively workpiece, adds the aperture ensureing man-hour in upper and lower two templates to the heart, and two negative electrodes are placed in workpiece both sides.For the feature of the little hole type parts of thin plate, adopt the method for collapsible form Electrolyzed Processing to process, crudy obviously improves, and processing cost reduces greatly.
At present, in order further to improve the working (machining) efficiency of collapsible form group hole Electrolyzed Processing, often the runner of design is wider.The flow velocity of the electrolyte of wide runner is relatively low, causes the Electrolyzed Processing product velocity of discharge relatively slow.And the electrolyte flow rate skewness on the same cross section of runner, cannot single process large area thin-walled orifice plate.
Summary of the invention
It is relatively poor that the present invention is intended to improve the crudy that existing wide runner group hole electrochemical Machining Technology exists, the situations such as processing uniformity cannot ensure, propose one and can discharge fast elaboration products, improve crudy, improve the inhomogeneity serpentine flow path group of Flow Field Distribution hole electrolytic machining device and processing method thereof.
Serpentine flow path collapsible form group hole electrolytic machining device, comprising: power supply, electrolyte circulation system, electrolytic machine tool, mask plate negative electrode, frock clamp; It is characterized in that: the flow channel shape on above-mentioned frock clamp is snakelike bend; Runner turning sidewall shape is easy curve.
The processing method of utilizing above-mentioned serpentine flow path collapsible form group hole electrolytic machining device, is characterized in that comprising the following steps: (1), workpiece, mask plate negative electrode, insulating barrier and clamp body are located and clamped; (2), be installed into fluid pipeline; (3), open electrolyte circulation system and regulate flow field parameter; (4), opening power, regulate electric pulse field parameter, start template group hole Electrolyzed Processing; Electrolyte flows along the serpentine flow path on clamp body between workpiece and clamp body, and gets rid of; (5), after completion of processing, take off fixture, cleaning workpiece.
Traditional group hole electrolytic machining device is in order to improve the quantity in single process hole, and often the runner of design is wider.Make electrolyte flow rate relatively low.And electrolyte flow rate skewness on same cross section is low near the local velocity ratio pipeline center of duct wall.In addition, the lower velocity of discharge of Electrolyzed Processing product that causes of electrolyte flow rate is slower, affects crudy.The present invention, in conjunction with the advantage of template Electrolyzed Processing, proposes serpentine flow path group-pore electrolytic machining method, and traditional wide runner one is divided into many.The runner of regional is narrowed, and flow velocity improves, even when the wider runner of cross section By Electrolysis liquid flowing velocity.Can single process large area thin-walled orifice plate.
The turning of described snakelike bend is more than 3 places.Utilize serpentine flow path that wide tradition runner is divided into multiple narrow runners, and then improve flow velocity and mobile uniformity.The bend bright processing district runner of more speaking more is closeer within the specific limits, and the flow velocity in flow field and uniformity are better, and crudy is higher.
Described runner turning is 180 ° of bends.Electrolyte is in the time flowing through bend, and flow direction there will be the change of 180 °.
Inlet on described frock clamp, liquid outlet are fixed in same module, are conducive to the independence in lower clamp flow field, to improve the stability in flow field.
Above-mentioned frock clamp has plastic cement sealing strip, can adopt for strengthening sealing effectiveness the mode that embeds side by side two plastic cement sealing strips.
Above-mentioned frock clamp is made up of upper fixture and the lower clamp corresponding with two-sided processing mode.Adopt the two-sided processing of twin cathode, process on two surfaces of workpiece simultaneously.
Brief description of the drawings
Fig. 1 is the snakelike bend schematic diagram of repeatedly turning;
Fig. 2 is serpentine flow path group hole Electrolyzed Processing lower clamp schematic top plan view;
Fig. 3 is serpentine flow path group hole Electrolyzed Processing electrolyte circulation system schematic diagram;
Fig. 4 is serpentine flow path twin cathode template Electrolyzed Processing schematic diagram;
Wherein label title: 1, inlet, 2, electrolyte flow direction, 3, gusset, 4, liquid outlet, 5, bolt hole, 6, processing district, 7, sealing ring, 8, alignment pin, 9, filter, 10, pipeline, 11, centrifugal multistage pump multiple centrifugal pump, 12, gate valve, 13, Pressure gauge, 14, electrolytic cell, 15, ball valve, 16, dividing plate, 17, upper fixture, 18, mask plate negative electrode, 19, insulating barrier, 20, workpiece, 21, electrolyte passage, 22, lower clamp, 23, power supply.
Detailed description of the invention
1. the workpiece 20 shown in Fig. 4 and mask plate negative electrode 18 are fixed by alignment pin and clamp body.
2. the fixture shown in Fig. 2 is lower clamp 22, by cylinder be fixedly clamped to being much of fixture 17.
3. the inlet 1 shown in Fig. 2 is connected with feed tube, and liquid outlet 4 is connected with drain pipe.
4. workpiece anode 20 connects positive electricity, and mask plate negative electrode 18 connects negative electricity.
5. open electrolyte circulation system ball valve 15, gate valve 12, open centrifugal multistage pump multiple centrifugal pump 11, regulate pressure by observing Pressure gauge 14 rotary ball valve 15.
6. regulate power parameter.
7. turn-on power 23 carries out group hole Electrolyzed Processing.
Claims (8)
1. a serpentine flow path collapsible form group hole electrolytic machining device, comprising: power supply (23), electrolyte circulation system, electrolytic machine tool, mask plate negative electrode (18), frock clamp; It is characterized in that: the flow channel shape on above-mentioned frock clamp is snakelike bend; Runner turning sidewall shape is easy curve.
2. serpentine flow path collapsible form group according to claim 1 hole electrolytic machining device, is characterized in that: the turning of described snakelike bend is more than 3 places.
3. serpentine flow path collapsible form group according to claim 1 hole electrolytic machining device, is characterized in that: described runner turning is 180 ° of bends.
4. serpentine flow path collapsible form group according to claim 1 hole electrolytic machining device, is characterized in that: the inlet on described frock clamp, liquid outlet are fixed in same module.
5. serpentine flow path collapsible form group according to claim 1 hole electrolytic machining device, is characterized in that: above-mentioned frock clamp has plastic cement sealing strip.
6. serpentine flow path collapsible form group according to claim 1 hole electrolytic machining device, is characterized in that: above-mentioned frock clamp is made up of the upper fixture (17) corresponding with two-sided processing mode and lower clamp (22).
7. the processing method of utilizing the serpentine flow path collapsible form group hole electrolytic machining device described in claim 1, is characterized in that comprising the following steps:
(1), workpiece (20), mask plate negative electrode (18), insulating barrier (19) are located and clamped with clamp body;
(2), be installed into fluid pipeline;
(3), open electrolyte circulation system and regulate flow field parameter;
(4), opening power, regulate electric pulse field parameter, start template group hole Electrolyzed Processing; Electrolyte flows along the serpentine flow path on clamp body between workpiece and clamp body, and gets rid of;
(5), after completion of processing, take off fixture, cleaning workpiece.
8. serpentine flow path collapsible form group according to claim 7 hole electrolytic method, is characterized in that: adopt the two-sided processing of twin cathode, process on two surfaces of workpiece simultaneously.
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| CN201310640987.9A CN103831497B (en) | 2013-12-04 | 2013-12-04 | Serpentine flow path collapsible form group hole electrolytic machining device and processing method |
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| CN201310640987.9A CN103831497B (en) | 2013-12-04 | 2013-12-04 | Serpentine flow path collapsible form group hole electrolytic machining device and processing method |
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| CN103831497B CN103831497B (en) | 2016-11-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881507A (en) * | 2017-04-24 | 2017-06-23 | 广东工业大学 | A kind of device and electrochemical machining method for Electrolyzed Processing plane complications group's groove |
| CN106903383A (en) * | 2017-04-27 | 2017-06-30 | 广东工业大学 | For the device and electrochemical machining method of Electrolyzed Processing plane complications group's groove |
| CN108971674A (en) * | 2018-08-22 | 2018-12-11 | 广东工业大学 | A kind of device and electrochemical machining method of Electrolyzed Processing very low power |
| CN110562692A (en) * | 2019-08-06 | 2019-12-13 | 成都拓维高科光电科技有限公司 | mask plate cleaning system clamp and using method thereof |
| CN110802288A (en) * | 2019-10-17 | 2020-02-18 | 南京航空航天大学 | Electrochemical machining tool and method with periodic fluctuation of flow field |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998010883A1 (en) * | 1996-09-13 | 1998-03-19 | Philips Electronics N.V. | Method of electrochemically machining workpieces |
| CN102266990B (en) * | 2011-07-05 | 2012-10-03 | 河南理工大学 | Electrochemical machining method of horn-shaped micro hole array |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881507A (en) * | 2017-04-24 | 2017-06-23 | 广东工业大学 | A kind of device and electrochemical machining method for Electrolyzed Processing plane complications group's groove |
| CN106881507B (en) * | 2017-04-24 | 2019-10-11 | 广东工业大学 | A kind of device and electrochemical machining method for Electrolyzed Processing plane complications group's groove |
| CN106903383A (en) * | 2017-04-27 | 2017-06-30 | 广东工业大学 | For the device and electrochemical machining method of Electrolyzed Processing plane complications group's groove |
| CN106903383B (en) * | 2017-04-27 | 2019-11-05 | 广东工业大学 | Device and electrochemical machining method for Electrolyzed Processing plane complications group's groove |
| CN108971674A (en) * | 2018-08-22 | 2018-12-11 | 广东工业大学 | A kind of device and electrochemical machining method of Electrolyzed Processing very low power |
| CN108971674B (en) * | 2018-08-22 | 2020-04-28 | 广东工业大学 | Device for electrolytically machining micro groove and electrolytic machining method |
| CN110562692A (en) * | 2019-08-06 | 2019-12-13 | 成都拓维高科光电科技有限公司 | mask plate cleaning system clamp and using method thereof |
| CN110802288A (en) * | 2019-10-17 | 2020-02-18 | 南京航空航天大学 | Electrochemical machining tool and method with periodic fluctuation of flow field |
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| CN103831497B (en) | 2016-11-23 |
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