CN112719486A - Flexible rapid preparation device and method for array tube electrode - Google Patents
Flexible rapid preparation device and method for array tube electrode Download PDFInfo
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- CN112719486A CN112719486A CN202011527500.2A CN202011527500A CN112719486A CN 112719486 A CN112719486 A CN 112719486A CN 202011527500 A CN202011527500 A CN 202011527500A CN 112719486 A CN112719486 A CN 112719486A
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- positioning
- array
- tube electrode
- baffles
- metal
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 60
- 239000002985 plastic film Substances 0.000 claims abstract description 27
- 229920006255 plastic film Polymers 0.000 claims abstract description 27
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- 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
- B23H3/04—Electrodes specially adapted therefor or their manufacture
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a flexible rapid preparation device and a flexible rapid preparation method of an array tube electrode, wherein the device comprises a positioning bracket, a plurality of baffles, a plastic film and a metal tube; a plurality of positioning holes are formed in the bottom plane of the positioning support, the positioning holes are of an array structure, a plastic film is paved on the surfaces of the positioning holes, and a plurality of metal pipes penetrate through the plastic film and then are inserted into the positioning holes; the arrangement structure of the plurality of metal tubes is determined by the structure of the required array tube electrode; the plurality of baffles are positioned in the inner cavity of the positioning support and spliced end to form a frame, the frame surrounds all metal tubes, the bottom of the frame is tightly attached to a plastic film, liquid acrylic is poured into the frame, after the acrylic is cured, the baffles are detached, and the whole array tube electrode is taken out. The device is simple and easy to operate, consumes short time, and can be used for quickly preparing the array tube electrode.
Description
Technical Field
The invention belongs to the technical field of electrochemical machining, and particularly relates to a flexible rapid preparation device of an array tube electrode and a flexible rapid preparation method of the array tube electrode.
Background
The electrochemical machining technology is widely applied to the fields of modern aerospace, military weapons and the like. The technology utilizes the potential difference between electrodes to cause the metal workpiece to generate anodic dissolution in electrolyte, and realizes one of the main special processing methods of the precision forming of the workpiece. During machining, the workpiece is connected with the positive pole of the pulse power supply, the tool electrode is connected with the negative pole, and a small interelectrode gap is maintained. After the voltage between the electrodes is applied, the electrolyte flows through the gap between the electrodes to form a closed-loop path, electrochemical anode dissolution is generated, electrolysis products are discharged along with the flow of the electrolyte, and the required structure is obtained after the machining is carried out to the specified depth. In principle, the electrochemical machining can process almost all conductive materials, is not limited by mechanical and physical properties such as strength, hardness, toughness and the like of the materials, and the metallographic structure of the processed materials is basically unchanged. In addition, in the electrolytic machining process, the tool and the workpiece are not in contact, mechanical cutting force does not exist, residual stress, deformation and flash and burr are not generated, and the cathode of the tool is free of loss. These advantages of the electrolytic machining technology largely avoid the problems of machining difficult-to-machine materials such as titanium alloy, and have become one of the mainstream technical means.
The micro-electrolysis jet processing technology which is one of the electrolytic processing can solve the problems of difficult discharge of electrolysis products, insufficient processing efficiency and the like to a certain extent. Generally, a hollow thin-wall metal tube is used as an electrolyte nozzle, and a required structure is prepared by controlling the numerical control track of a tool cathode in a milling-like processing mode. During machining, the current is transmitted primarily from the inner wall of the nozzle to the workpiece surface via the beam. However, the conventional tube electrode usually only comprises a single flow channel, and only a single structure can be formed in a single processing process, so that the array/mass preparation task is difficult to realize; secondly, the traditional microtube electrode has thin wall, poor rigidity and easy flutter, is difficult to load high-speed jet flow, and further improves the product removal capability and the processing efficiency. These problems severely restrict the further development and popularization of micro-jet electrochemical machining technology.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a flexible rapid preparation device and method of an array tube electrode, which are simple and easy to operate, have short time consumption and can be used for rapidly preparing the array tube electrode.
In order to solve the technical problem, the invention provides a flexible rapid preparation device of an array tube electrode, which comprises a positioning bracket, a plurality of baffles, plastic films and metal tubes, wherein the baffles are arranged on the positioning bracket;
a plurality of positioning holes are formed in the bottom plane of the positioning support, the positioning holes are of an array structure, a plastic film is paved on the surfaces of the positioning holes, and a plurality of metal pipes penetrate through the plastic film and then are inserted into the positioning holes; the arrangement structure of the plurality of metal tubes is determined by the structure of the required array tube electrode;
the baffles are positioned in the inner cavity of the positioning support and spliced end to form a frame, the frame surrounds all the metal pipes, the bottom of the frame is tightly attached to the plastic film, and liquid acrylic is poured in the frame.
Furthermore, the diameter of the positioning hole is slightly larger than the outer diameter of the metal pipe.
Further, the metal tube is made of any one of nickel, copper, iron, gold, silver and platinum.
Further, the diameters of the metal pipes may be the same or different.
Further, the diameters of the metal tubes were 50 μm, 65 μm, 150 μm, and 500 μm, respectively.
Furthermore, the baffle comprises two long baffles and two short baffles, the length of the long baffle is greater than that of the short baffles, and the two long baffles and the two short baffles are spliced into a rectangle.
Furthermore, the positioning device further comprises two groups of resisting screws, threaded holes for the resisting screws to penetrate through are formed in the opposite sides of the positioning support, and the two groups of resisting screws penetrate through the baffle plate from the threaded holes in the positioning support respectively.
Further, each set of the retaining screws comprises two retaining screws.
Correspondingly, based on the device, the flexible rapid preparation method of the array tube electrode comprises the following steps:
according to the diameter of the required array tube electrode metal tube, positioning holes which are arranged into corresponding array structures are formed in the bottom plane of the positioning support;
according to the required array tube electrode structure model, a plastic film is flatly laid on the end face of a positioning hole in the inner cavity of the positioning bracket, and a metal tube is inserted into the positioning hole in the positioning bracket after penetrating through the plastic film;
installing baffles on the surface of the plastic film, so that an inner cavity formed by the baffles surrounds the metal tubes arranged in an array on the positioning bracket;
slowly pouring liquid acrylic into an inner cavity formed by the baffles, and placing the cured acrylic into a metal tube in a positioning array;
and (4) disassembling the baffle after the acrylic is cured, and taking out the whole array tube electrode.
Further, the method also comprises the following steps:
two groups of resisting screws respectively penetrate through the threaded holes on the positioning bracket from two sides of the positioning bracket to resist the baffle.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a flexible method for rapidly preparing an array tube electrode without considering the inner diameter of a metal tube. Compared with thin-wall microtube electrodes prepared by other methods, the thin-wall microtube electrode has the advantages of greatly improved rigidity, obviously enhanced anti-interference capability, capability of loading high-speed jet flow and improved product discharge efficiency and processing efficiency. In addition, various array tube electrodes can be flexibly prepared according to the processing requirements, and the array tube electrodes comprise array tube electrodes with a plurality of flow channel structures, array tube electrodes with metal tubes with different inner diameters and the like, so that the processing task of preparing a large number of array structures in a single technological process is realized, and the processing efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is an exploded view of an array tube electrode preparation apparatus;
FIG. 2 is a schematic view of a metal tube installation;
fig. 3 is a schematic view of acrylic positioning a metal tube.
Description of reference numerals:
1. the positioning support 11, the positioning hole 12 and the threaded hole;
2. the device comprises a retaining screw 3, a long baffle 4, a short baffle 5, a plastic film 6, a metal pipe 7, acrylic 8 and a metal micro wire.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention discloses a flexible rapid preparation device of an array tube electrode, which is used for manufacturing the array tube electrode with an NxM structure. Device structure referring to fig. 1-3, the device comprises a positioning support 1, a plurality of baffles, a plastic film 5 and a metal tube 6.
A plurality of positioning holes 11 are formed in the bottom plane of the positioning support 1, the positioning holes 11 are of an array structure, the plastic film 5 is paved on the surfaces of the positioning holes, and a plurality of metal tubes 6 penetrate through the plastic film 5 and then are inserted into the positioning holes 11; the arrangement structure of a plurality of metal tubes 6 is determined by the structure of the required array tube electrodes,
the baffles are positioned in the inner cavity of the positioning support 1 and spliced end to form a frame, the frame surrounds all the metal pipes 6, the bottom of the frame is tightly attached to the plastic film 5, and the liquid acrylic 7 is poured in the frame.
Preferably, in the embodiment of the present invention, the material of the metal tube 6 is nickel, copper, iron, gold, silver, platinum, or the like. The inner diameter of the metal tube is more than or equal to 30 μm. The metal tube material used in this embodiment is copper, the diameters of the metal tubes may be different, and the diameters of the 6 metal tubes in this embodiment are 50 μm, 65 μm, 65 μm, 150 μm, 500 μm, and 500 μm, respectively.
Usually, the array tube electrode is of an N × M structure, so a frame formed by splicing a plurality of baffles is rectangular, the baffles in this embodiment include two long baffles 3 and two short baffles 4, and the length of the long baffles 3 is greater than that of the short baffles 4. The two long baffles 3 and the two short baffles 4 are spliced into a rectangle. The baffle plate is not limited in material, and can be made of a conductive material or a non-conductive material.
Preferably, in order to improve the stability of the frame spliced by the baffles, the frame splicing device further comprises two groups of resisting screws, the two groups of resisting screws 2 respectively penetrate through the positioning support 1 from the opposite side of the positioning support 1 to resist the baffles, each group of resisting screws 2 comprises 2 resisting screws, and threaded holes 12 for the resisting screws 2 to penetrate through are formed in the two sides of the positioning support 1. The four resisting screws 2 penetrate through the threaded holes 12 on the positioning bracket 1 to resist the baffle.
Based on the device, the flexible rapid preparation method of the array tube electrode is used for processing the array tube electrode and comprises the following steps:
s1: establishing an array tube electrode geometric model according to a required structure; the method comprises the following steps of (1) including data such as the number of flow channels, the size of the inner diameter, the distance and the like;
s2: according to the array tube electrode geometric model of S1, arranging positioning holes 11 arranged into corresponding array structures on the bottom plane of the positioning support 1; the diameter of the positioning hole 11 is slightly larger than the outer diameter of the metal pipe 6, so that the metal pipe is conveniently positioned and installed; the four threaded holes 12 are correspondingly distributed on the front side surface and the rear side surface of the positioning bracket 1;
s3: preparing two long baffles 3 and two short baffles 4 based on the size of the inner cavity of the positioning bracket 1; the length of the long baffle 3 is consistent with the width of the inner cavity of the positioning bracket 1, and the length of the short baffle 4 is the distance of the central axis between the boundary positioning holes;
s4: the plastic film 5 is laid on the surface of the positioning hole 11 in the positioning support 1, the metal tube 6 is inserted into the positioning hole 11 on the positioning support 1 after penetrating the plastic film 5 according to the required array tube electrode structure model, and the plastic film 5 is used for preventing the acrylic from flowing into the gap between the positioning hole and the metal tube before being cured.
The array positioning holes 11 on the positioning bracket 1 can be used for positioning and installing metal pipes according to needs; the arrangement structure of the metal tubes can be determined according to the needs; the size of the inner diameter of the metal pipe can be selected according to the requirement.
S5: the long baffle 3 and the short baffle 4 are arranged on the surface of the plastic film 5, and four resisting screws 2 penetrate through threaded holes 12 on the positioning support 1 to resist the baffles, so that an inner cavity formed by the long baffle 3 and the short baffle 4 surrounds the metal pipes 6 arranged in an array on the positioning support 1;
s6: slowly pouring the prepared liquid acrylic 71 into an inner cavity formed by the baffles, pouring the acrylic when the acrylic is in a liquid state, and automatically curing at room temperature after about ten minutes. The solidified acrylic is used for positioning the metal tubes arranged in an array on the bracket. After the acrylic 71 is cured, the baffle is disassembled, and the whole array tube electrode 7 is taken out.
S7: the metal fine wire 8 is sequentially wound around each metal tube 6, and the metal fine wire 8 is made of tungsten and has a diameter of 25 μm and is used for conducting electricity to perform electrolytic machining.
By preparing the array tube electrode, the cured acrylic has the functions of supporting the tube wall and improving the anti-interference capability of the metal tube, can load high-speed jet flow and is beneficial to discharging a processed product; the required structure is prepared by adopting the tubular electrode jet flow electrolysis containing the array structure, the processing efficiency is high, and the method can be used for mass production.
The invention provides a flexible method for rapidly preparing an array tube electrode, which is simple and easy to operate and consumes short time. And the size of the inner diameter of the metal pipe does not need to be considered. Compared with thin-wall microtube electrodes prepared by other methods, the thin-wall microtube electrode has the advantages of greatly improved rigidity, obviously enhanced anti-interference capability, capability of loading high-speed jet flow and improved product discharge efficiency and processing efficiency. In addition, various array tube electrodes can be flexibly prepared according to processing requirements, and the array tube electrodes comprise array tube electrodes with a plurality of flow channel structures, array tube electrodes with metal tubes with different inner diameters and the like, so that a large number of array structures can be prepared in a single technological process, and the processing efficiency is greatly improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A flexible rapid preparation device of an array tube electrode is characterized by comprising a positioning bracket, a plurality of baffles, a plastic film and a metal tube;
a plurality of positioning holes are formed in the bottom plane of the positioning support, the positioning holes are of an array structure, a plastic film is paved on the surfaces of the positioning holes, and a plurality of metal pipes penetrate through the plastic film and then are inserted into the positioning holes; the arrangement structure of the plurality of metal tubes is determined by the structure of the required array tube electrode;
the plurality of baffles are positioned in the inner cavity of the positioning support and spliced end to form a frame, the frame surrounds all metal pipes, the bottom of the frame is tightly attached to a plastic film, liquid acrylic is poured into the frame, the baffles are detached after the acrylic is cured, and the whole array pipe electrode is taken out.
2. The apparatus of claim 1, wherein the diameter of the positioning hole is slightly larger than the outer diameter of the metal tube.
3. The device for rapidly manufacturing the array tube electrode according to claim 1, wherein the metal tube is made of any one of nickel, copper, iron, gold, silver and platinum.
4. The device for rapidly and flexibly preparing the array tube electrode according to claim 1, wherein the diameters of the metal tubes are the same or different.
5. The device for rapidly and flexibly preparing the array tube electrode according to claim 1, wherein the diameters of the metal tubes are 50 μm, 65 μm, 150 μm and 500 μm respectively.
6. The device for rapidly preparing the array tube electrode in the flexible way according to claim 1, wherein the baffle plates comprise two long baffle plates and two short baffle plates, the length of the long baffle plate is greater than that of the short baffle plates, and the two long baffle plates and the two short baffle plates are spliced into a rectangle.
7. The apparatus of claim 1, further comprising two sets of retaining screws, wherein the positioning bracket has threaded holes for the retaining screws to pass through, and the retaining screws pass through the retaining plate from the threaded holes of the positioning bracket.
8. The apparatus of claim 7, wherein each set of two retaining screws comprises two retaining screws.
9. A flexible rapid preparation method of an array tube electrode based on the device of any one of claims 1 to 8, which is characterized by comprising the following steps:
according to the diameter of the required array tube electrode metal tube, positioning holes which are arranged into corresponding array structures are formed in the bottom plane of the positioning support;
according to the required array tube electrode structure model, a plastic film is flatly laid on the end face of a positioning hole in the inner cavity of the positioning bracket, and a metal tube is inserted into the positioning hole in the positioning bracket after penetrating through the plastic film;
installing baffles on the surface of the plastic film, so that an inner cavity formed by the baffles surrounds the metal tubes arranged in an array on the positioning bracket;
slowly pouring liquid acrylic into an inner cavity formed by the baffles, and placing the cured acrylic into a metal tube in a positioning array;
and (4) disassembling the baffle after the acrylic is cured, and taking out the whole array tube electrode.
10. The method for flexibly and rapidly preparing the array tube electrode according to claim 9, further comprising the following steps:
two groups of resisting screws respectively penetrate through the threaded holes on the positioning bracket from two sides of the positioning bracket to resist the baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527500.2A CN112719486B (en) | 2020-12-22 | 2020-12-22 | Flexible rapid preparation device and method for array tube electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527500.2A CN112719486B (en) | 2020-12-22 | 2020-12-22 | Flexible rapid preparation device and method for array tube electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112719486A true CN112719486A (en) | 2021-04-30 |
| CN112719486B CN112719486B (en) | 2022-03-04 |
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| CN202011527500.2A Expired - Fee Related CN112719486B (en) | 2020-12-22 | 2020-12-22 | Flexible rapid preparation device and method for array tube electrode |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013012710U1 (en) * | 2013-07-02 | 2018-10-09 | Carl Freudenberg Kg | Sliding ring or counter ring of a mechanical seal |
| CN109226914A (en) * | 2018-10-23 | 2019-01-18 | 常州工学院 | A kind of free form surface type chamber cathode for electrochemical machining |
| CN109570662A (en) * | 2019-01-28 | 2019-04-05 | 安徽理工大学 | It is a kind of based on electromagnetic induction heating suitable for the electrochemical micromachining micro tool electrode lateral wall insulation method of various shapes and application |
| CN109676208A (en) * | 2019-02-13 | 2019-04-26 | 安徽理工大学 | A kind of pipe electrode and its Fine and Deep Hole electric processing method with flexible support and promotion processing product discharge |
| GB2566099B (en) * | 2017-09-05 | 2020-01-01 | Rolls Royce Plc | Tool and method for processing a channel within an electrically conductive component |
-
2020
- 2020-12-22 CN CN202011527500.2A patent/CN112719486B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013012710U1 (en) * | 2013-07-02 | 2018-10-09 | Carl Freudenberg Kg | Sliding ring or counter ring of a mechanical seal |
| GB2566099B (en) * | 2017-09-05 | 2020-01-01 | Rolls Royce Plc | Tool and method for processing a channel within an electrically conductive component |
| CN109226914A (en) * | 2018-10-23 | 2019-01-18 | 常州工学院 | A kind of free form surface type chamber cathode for electrochemical machining |
| CN109570662A (en) * | 2019-01-28 | 2019-04-05 | 安徽理工大学 | It is a kind of based on electromagnetic induction heating suitable for the electrochemical micromachining micro tool electrode lateral wall insulation method of various shapes and application |
| CN109676208A (en) * | 2019-02-13 | 2019-04-26 | 安徽理工大学 | A kind of pipe electrode and its Fine and Deep Hole electric processing method with flexible support and promotion processing product discharge |
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| CN112719486B (en) | 2022-03-04 |
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Granted publication date: 20220304 |