CN107398608B - A kind of workpiece circumferential surface electrolytic etching device - Google Patents
A kind of workpiece circumferential surface electrolytic etching device Download PDFInfo
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- CN107398608B CN107398608B CN201710583503.XA CN201710583503A CN107398608B CN 107398608 B CN107398608 B CN 107398608B CN 201710583503 A CN201710583503 A CN 201710583503A CN 107398608 B CN107398608 B CN 107398608B
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- electrolyte
- cathode
- work box
- circumferential surface
- electrolytic etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/06—Marking or engraving
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Weting (AREA)
Abstract
The invention discloses a kind of workpiece circumferential surface electrolytic etching devices, the apparatus main body is lathe, including power supply, work box, cooling system and electrolyte circulation system, electrolyte circulation system includes electrolyte inlet tube, electrolyte outlet tube, electrolyte tank and electromagnetic pump, electrolyte inlet tube and electrolyte outlet tube are connected with electrolyte tank, work box lower end connects electrolyte outlet tube, and the electrolyte inlet of work box is connected with cooling system, and electromagnetic pump is arranged on electrolyte inlet tube；Work box is built-in with cathode, and cathode is connected with power cathode, and cathode center has a hole to connect with electrolyte inlet tube, and positive pole is connect with brush.The workpiece circumferential surface electrolytic etching device that the device provides each technological parameters in a kind of etching process is stably and controllable, state modulator precision is high, sensor is high-quality, consistency is good.
Description
Technical field
The invention belongs to reactor engineering technical field, in particular to a kind of refractory metal alloy monocrystal material circumferential surface
Electrolytic etching device.
Background technique
In reactor engineering application process, it usually needs carry out electrolytic etching to the circumferential surface of larger workpiece.Electrolysis erosion
Quarter is to make a kind of technical way that the maximum crystal face of work function reveals as far as possible in emitter material.
There are two types of existing electrolytic etching modes, and one is carry out whole etching to workpiece: but due to workpiece overall volume
Larger, required electric current is big, improves danger coefficient；Simultaneously large area cathode in the fabrication process geometric accuracy it is difficult to ensure that,
Influence electrolytic etching quality.Another kind is to carry out small cathode section etching to workpiece, but electrode edge can cause electric field distortion shadow
Ring electrolytic etching quality.
In above two etching mode, electric current, which flows through electrolyte, can heat electrolyte, the longer electrolysis of the time of electrolytic etching
The temperature of liquid will be higher, and the temperature of electrolyte directly affects the quality of workpiece surface electrolytic etching.
Therefore existing electrolytic etching device is unable to satisfy the circumferential surface etch requirements of larger workpiece.
Summary of the invention
(1) goal of the invention
The present invention overcomes prior art danger coefficient height, the deficiency that precision is low, etching quality is poor, provide a kind of etched
The workpiece circumferential surface electricity that each technological parameter is stably and controllable in journey, state modulator precision is high, sensor is high-quality, consistency is good
Solve Etaching device.
(2) technical solution
In order to solve the problems of prior art, technical solution provided by the invention is as follows:
A kind of workpiece circumferential surface electrolytic etching device, the apparatus main body are lathe, including power supply, work box, cooling system
System and electrolyte circulation system, electrolyte circulation system include electrolyte inlet tube, electrolyte outlet tube, electrolyte tank and electromagnetism
Pump, electrolyte inlet tube and electrolyte outlet tube are connected with electrolyte tank, and work box lower end connects electrolyte outlet tube, work
The electrolyte inlet of case is connected with cooling system, and electromagnetic pump is arranged on electrolyte inlet tube；Work box is built-in with cathode, yin
Pole is connected with power cathode, and cathode center has a hole to connect with electrolyte inlet tube, and positive pole is connect with brush.
Further, the cathode is set as semi-circular tube shape.
Further, the cathode length of the semi-circular tube shape is 50mm.
Further, the lathe has carried out preservative treatment, can contact the component of electrolyte using corrosion resistant stainless
Steel or plastics.
Further, the speed of mainshaft of the lathe and work box axial feed velocity are controlled using Numeric Control Technology.
Further, the electrolyte inlet tube is equipped with pressure and flow controller.
Further, the work box both ends are equipped with switch pressure head, and cooperation stroke lever uses, and stroke lever is located above work box
And it is equipped with travel switch.
Further, the electrolyte tank is provided with sedimentation basin.
(3) beneficial effect
The present invention is controlled based on lathe using Numeric Control Technology, so that the present invention is easily operated；The small cathode of work box
Continuous etching technique solves during big workpiece electrolytic etching the technical problems such as current density is big, electric field distortion is serious；By machine
Tool, digital control system, current density control, temperature control, pressure, flow control are introduced into electrolytic etching device, realize etching
The advantages that each technological parameter is stably and controllable in engineering, and control precision is high, and sensor quality, consistency are good.
The share in circumferential surface of particular crystal plane has been significantly increased in the present invention, which is domestic initiation, solves
Engineering actual techniques problem has promotional value.
Detailed description of the invention
Fig. 1 workpiece circumferential surface electrolytic etching device principle assumption diagram
Fig. 2 cathode construction schematic diagram
1, work box 2, top shoulder 3, cooling system 4, electromagnetic pump 5, electrolyte tank 6, outlet tube 7, inlet tube 8, electricity
Source 9, cathode 10, brush 11, cathode connection plate 12, electrolyte inflow hole 13, switch pressure head 14, travel switch
Specific embodiment
Below in conjunction with specification drawings and specific embodiments, the present invention is further elaborated.
A kind of workpiece circumferential surface electrolytic etching device, structure is as shown in Figure 1, the apparatus main body is lathe, including power supply
8, work box 1, cooling system 3 and electrolyte circulation system, lathe have carried out preservative treatment, and the component that can contact electrolyte is adopted
With corrosion resistant stainless steel or plastics, electrolyte circulation system includes electrolyte inlet tube 6, electrolyte outlet tube 7, electrolyte tank
5 and electromagnetic pump 4, electrolyte inlet tube 6 and electrolyte outlet tube 7 be connected with electrolyte tank 5, electromagnetic pump 4 be arranged in electrolyte
On inlet tube 6, realization recycles electrolyte；Work box 1 is built-in with cathode 9, and cathode 9 is connected with 8 cathode of power supply, cathode 9
It is set as semi-circular tube shape, uniform electric field can be formed with element surface is etched, 9 length of cathode is 50mm, and 9 center of cathode has
One hole is connect with electrolyte inlet tube 6, and 1 lower end of work box connects electrolyte outlet tube 7, the connection electrolysis of electrolyte outlet tube 7
Liquid case 5 is provided with sedimentation basin in electrolyte tank 5, guarantees the quality of electrolyte during electrolytic etching；The electrolyte of work box 1
Inlet is connected with cooling system 3, and cooler carries out temperature control to electrolyte in cooling system 3, guarantees that electrolyte enters electricity
Temperature control precision when pole is ± 0.2 DEG C；Electrolyte inlet tube 6 is equipped with pressure and flow controller, guarantees that electrolyte enters
Pressure and stability of flow between electrode；1 both ends of work box are equipped with switch pressure head 13, and cooperation stroke lever uses, and stroke lever is located at
1 top of work box, and it is equipped with travel switch 14, it can control the working range of work box 1；8 anode of power supply is connect with brush 10；Erosion
The machine spindle speed and 1 axial feed velocity of work box for carving workpiece are controlled using Numeric Control Technology.
Embodiment
Electrolytic etching is carried out to the refractory metal monocrystal material that outer diameter is about 20mm, wall thickness 1mm, length are about 800mm,
Hereinafter referred to as the etching refractory metal monocrystal material is element.First element is placed on machine tool chief axis and is placed in 1 aperture of work box
Interior, element one end is withstood by top shoulder 2, and the other end is fixed by machine tool chief axis clamp, and clamp connect controllable etched elements with numerical control
Rotational speed.Electrolytic etching technique parameter appropriate is arranged in digital control system, and electrolyte tank 5 is built-in with electrolyte solution.It opens
Power supply 8, cathode 9 are connected by cathode connection plate 11 with 8 cathode of power supply, and power supply 8 is positive to be connect with brush 10, brush 10 be eclipsed
Element connection is carved, keeps element positively charged, forms electric field with cathode 9.Cathode 9 is placed in work box 1, and cathode 9 is set as semi-circular tube
Shape can form uniform electric field with element circumferential surface is etched, and 9 length of cathode is 50mm, obtains etch effect for experiment
Best cathode length.9 center of cathode has a hole 12 to connect with electrolyte inlet tube 6, and the hole 12 and element of cathode 9 are same
On one horizontal plane, so that electrolyte ejection can come into full contact with element, not pollute element other positions and waste liquid be made directly to drip
Outflow does not influence to etch.There is the conveyer belt of lathe below work box 1, work box 1 be transmitted to etching workpiece one end with conveyer belt,
When the switch pressure head 13 on work box 1 contacts the beginning travel switch 14 on stroke lever, that is, start to etch, when on work box 1
Switch pressure head 13 contacts the stopping travel switch 14 on stroke lever, that is, stops etching.Electromagnetism in etching process, on inlet tube 6
Pump 4 is sent electrolyte to electrolyte inlet by electrolyte tank 5, is sprayed to electrolyte in etched elements, is etched element rotation
Turn, cathode is moved axially along element, and electrolyte realizes the electrolysis erosion of element circumferential surface from the mode that the aperture on cathode sprays
It carves.By the velocity of rotation of digital control system control etched elements and the movement speed of work box 1.Electricity of the electrolyte from work to lower end
The outlet of solution liquid flow to electrolyte tank 5 by outlet tube 7, and sedimentation basin is equipped in electrolyte tank 5, may filter that flow back to it is miscellaneous in electrolyte
Matter guarantees the quality of etching.Cooling system 3 is provided on inlet tube 6, cooler can make the temperature of electrolyte in cooling system 3
It is maintained at the temperature for being suitble to etching, control precision is ± 0.2 DEG C, improves the quality of etching.Pressure and flow are set on inlet tube 6
Controller can be precisely controlled the flow of electrolyte for being sprayed to element and speed, it can be achieved that etching is precisely controlled.In the present embodiment
The share of particular crystal plane is 16.7% before etched elements etch, and the share of particular crystal plane is promoted to 55-60% after etching.
Claims (7)
1. a kind of workpiece circumferential surface electrolytic etching device, which is lathe, which is characterized in that the device includes electricity
Source, work box (1), cooling system (3) and electrolyte circulation system, electrolyte circulation system include electrolyte inlet tube (6), electricity
Solve liquid outlet tube (7), electrolyte tank (5) and electromagnetic pump (4), electrolyte inlet tube (6) and electrolyte outlet tube (7) with electrolysis
Liquid case (5) is connected, and work box (1) lower end connects electrolyte outlet tube (7), the electrolyte inlet (6) of work box (1) and cooling
System (3) is connected, and electromagnetic pump (3) is arranged on electrolyte inlet tube (6)；Work box (1) is built-in with cathode (9), cathode (9) with
Power supply (8) cathode is connected, and cathode (9) center has a hole (12) to connect with electrolyte inlet tube (6), power supply (8) anode and electricity
(10) connection is brushed, the cathode (9) is set as semi-circular tube shape.
2. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the semi-circle tubular
Cathode (9) length of shape is 50mm.
3. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the lathe into
It has gone preservative treatment, the component of electrolyte can be contacted using corrosion resistant stainless steel or plastics.
4. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the lathe
The speed of mainshaft and work box (1) axial feed velocity are controlled using Numeric Control Technology.
5. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the electrolyte into
Liquid pipe is equipped with pressure and flow controller.
6. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the work box
(1) both ends are equipped with switch pressure head (13), and cooperation stroke lever uses, and stroke lever is located above work box (1) and is equipped with travel switch
(14)。
7. a kind of workpiece circumferential surface electrolytic etching device according to claim 1, which is characterized in that the electrolyte tank
(5) it is provided with sedimentation basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583503.XA CN107398608B (en) | 2017-07-18 | 2017-07-18 | A kind of workpiece circumferential surface electrolytic etching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583503.XA CN107398608B (en) | 2017-07-18 | 2017-07-18 | A kind of workpiece circumferential surface electrolytic etching device |
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| Publication Number | Publication Date |
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| CN107398608A CN107398608A (en) | 2017-11-28 |
| CN107398608B true CN107398608B (en) | 2019-04-19 |
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| CN201710583503.XA Active CN107398608B (en) | 2017-07-18 | 2017-07-18 | A kind of workpiece circumferential surface electrolytic etching device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843068A (en) * | 2020-06-30 | 2020-10-30 | 四川聚亿重工有限公司 | Equipment for electrolytic machining |
| CN111979575B (en) * | 2020-08-25 | 2024-06-18 | 常州市平晖机械制造有限公司 | Embossing roller electrolysis device and electrolytic embossing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211715U (en) * | 1987-08-09 | 1988-03-16 | 国营中原无线电厂 | Characters and patterns etching device with electrolytic scanning |
| CN87208243U (en) * | 1987-05-19 | 1988-08-17 | 卫清海 | Characters-engraving and patterns-engraving apparatus for rollers |
| CN2071103U (en) * | 1989-12-14 | 1991-02-13 | 陆进 | Plane eletrolytic etching machine |
| EP1068921A1 (en) * | 1999-07-14 | 2001-01-17 | Eun Sang Lee | Device for electrolytically machining microgrooves on internal surface of aerodynamic bearing housing |
| CN2434088Y (en) * | 2000-07-19 | 2001-06-13 | 祝南桥 | Metal electric etching machine |
| CN1776029A (en) * | 2005-10-12 | 2006-05-24 | 中国海洋大学 | Electrolytic etching device for metal plate |
| CN103111696A (en) * | 2012-12-31 | 2013-05-22 | 浙江工业大学 | Metal surface micro texture group electrode direct writing micro electrolysis processing method and dedicated device |
| CN105312692A (en) * | 2015-11-24 | 2016-02-10 | 山东大学（威海） | Online electrochemical preparation device and method of high-rotation precision micro cylindrical electrode |
-
2017
- 2017-07-18 CN CN201710583503.XA patent/CN107398608B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208243U (en) * | 1987-05-19 | 1988-08-17 | 卫清海 | Characters-engraving and patterns-engraving apparatus for rollers |
| CN87211715U (en) * | 1987-08-09 | 1988-03-16 | 国营中原无线电厂 | Characters and patterns etching device with electrolytic scanning |
| CN2071103U (en) * | 1989-12-14 | 1991-02-13 | 陆进 | Plane eletrolytic etching machine |
| EP1068921A1 (en) * | 1999-07-14 | 2001-01-17 | Eun Sang Lee | Device for electrolytically machining microgrooves on internal surface of aerodynamic bearing housing |
| CN2434088Y (en) * | 2000-07-19 | 2001-06-13 | 祝南桥 | Metal electric etching machine |
| CN1776029A (en) * | 2005-10-12 | 2006-05-24 | 中国海洋大学 | Electrolytic etching device for metal plate |
| CN103111696A (en) * | 2012-12-31 | 2013-05-22 | 浙江工业大学 | Metal surface micro texture group electrode direct writing micro electrolysis processing method and dedicated device |
| CN105312692A (en) * | 2015-11-24 | 2016-02-10 | 山东大学（威海） | Online electrochemical preparation device and method of high-rotation precision micro cylindrical electrode |
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| CN107398608A (en) | 2017-11-28 |
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