CN109628963B - Device for preparing foam metal by electroplating method and processing technology thereof - Google Patents
Device for preparing foam metal by electroplating method and processing technology thereof Download PDFInfo
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- CN109628963B CN109628963B CN201910055971.9A CN201910055971A CN109628963B CN 109628963 B CN109628963 B CN 109628963B CN 201910055971 A CN201910055971 A CN 201910055971A CN 109628963 B CN109628963 B CN 109628963B
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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
- C25D1/00—Electroforming
- C25D1/08—Perforated or foraminous objects, e.g. sieves
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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
- C25D1/00—Electroforming
- C25D1/20—Separation of the formed objects from the electrodes with no destruction of said electrodes
Abstract
The invention discloses a device for preparing foam metal by an electroplating method, which comprises a rectangular support, wherein the rectangular support comprises conductive columns respectively arranged at four vertex angles of the support, the conductive columns are polygonal, a plurality of pairs of support rods which are arranged in pairs and are parallel to each other are sleeved between every two of the four conductive columns, the support rods between every two adjacent pairs of the support rods are mutually vertical, guide rails are arranged on the support rods along the length direction, first conductive sheets are arranged on the inner walls of the guide rails and extend along the length direction of the support rods, the joints of the support rods and the conductive columns are arranged in a fitting manner, second conductive sheets are arranged on the support rods and the joints of the conductive columns and connected with the first conductive sheets, a plurality of slide blocks are arranged in the guide rails in a sliding manner, conductive pins penetrating through the slide blocks are arranged on the slide blocks, one ends of the conductive pins elastically. The device for preparing the foam metal by the electroplating method and the processing technology thereof provided by the invention are more environment-friendly, simpler to operate and less in processing steps.
Description
Technical Field
The invention belongs to the technical field of foam metal preparation processes, and particularly relates to a device for preparing foam metal by an electroplating method and a processing process thereof.
Background
The foam metal refers to a special metal material containing air holes. Through the unique structural characteristics, the foam metal has a series of good advantages of small density, good heat insulation performance, good sound insulation performance, capability of absorbing electromagnetic waves and the like, is a novel material gradually developed along with human science and technology, and is commonly used for a series of industrial developments such as aerospace, petrochemical industry and the like. At present, the electrodeposition method is widely adopted at home and abroad to carry out large-scale preparation of high-porosity foam metal, and the electrodeposition method needs to use three-dimensional reticular organic foam as a base material, firstly carries out conductive treatment on the base material, then electroplates metal in a metal ion solution on the base, and finally burns the base material to obtain the metal foam. The preparation process in the prior art can generate a large amount of toxic gas and pollute the environment, although the toxic gas can be treated, the production cost can be improved, and the preparation process has the disadvantages of complicated steps, complex operation and high requirement on constructors.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the device for preparing the foam metal by the electroplating method and the processing technology thereof, which are more environment-friendly, simpler to operate and less in processing steps compared with the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a device for preparing foam metal by an electroplating method comprises a rectangular support, wherein the rectangular support comprises conductive columns respectively arranged at four vertex angles of the support, the conductive columns are polygonal, a plurality of pairs of support rods which are arranged in pairs and are parallel to each other are sleeved on every two of the four conductive columns, the thickness of each support rod is less than or equal to 200 mu m, each pair of the support rods which are arranged in pairs are alternately stacked, the adjacent support rods between the two pairs are mutually vertical, a guide rail is arranged on each support rod along the length direction, a first conductive sheet is arranged on the inner wall of each guide rail and extends along the length direction of each support rod, the joints of the support rods and the conductive columns are arranged in a joint manner, a second conductive sheet is arranged on each support rod and the joints of the conductive columns and connected with the first conductive sheets, a plurality of sliding blocks are arranged in the guide rail in a sliding manner, and conductive, one end of the conductive needle is elastically abutted to the first conductive sheet, the other end of the conductive needle is bent to form a barb, and a winding wire used for forming a metal net is alternately wound between each pair of mutually parallel supporting rods through the barb.
By adopting the scheme, the supporting rods which are arranged in pairs and are parallel to each other are sleeved on the conductive posts, the sliding blocks are sleeved on the supporting rods which are parallel to each other, the winding wires are positioned through the barbs on the sliding blocks, so that a layer of metal net can be formed between the supporting rods which are parallel to each other, the formed metal net is in a parallel state in the plane, then a plurality of layers of metal nets are arranged in an alternate stacking mode to form a spatial and three-dimensional metal net frame with a plurality of meshes in the metal net frame, the conductive needles on the sliding blocks are connected with the winding wires, the barbs on the conductive needles are more favorable for winding and positioning the conductive wires, and the conductive posts, the second conductive plates, the first conductive plates and the conductive needles can be connected to the winding wires in sequence by utilizing current, so that the plating can be carried out through an electroplating method, and the metal net wires between the upper layer and the lower, therefore, the staggered positions between the upper and lower metal mesh wires are easier to carry out electrolytic reaction during electroplating, so that a thicker plating layer is quickly formed at the staggered positions, foam metal with a plurality of air holes is formed when the staggered positions between the upper and lower metal mesh wires are all adhered and fixed, the thickness of the support rod is less than or equal to 200 mu m, the distance between the winding wires is more reasonable, the plating layer between the upper and lower metal mesh wires can be adhered at the staggered positions quickly, and stable and reliable foam metal is formed. The invention has simple structure and easy implementation, does not need to burn organic foam in the whole manufacturing process, is more environment-friendly and reduces the production cost.
The conductive column is further provided with two annular clamping parts, two ends of the conductive column extend outwards to form extending parts which are respectively used for being matched and clamped with the two annular clamping parts, and the hook clamp is made of a conductive material.
By adopting the scheme, the hook clamp with conductivity is clamped and fixed at the two ends of the conductive column, so that the rectangular support can be conveniently placed into the electrolytic cell vertically for plating, the operation is simpler, and the implementation is convenient.
As a further arrangement of the invention, one end of the conductive pin is provided with an elastic reed, and the elastic reed is arranged on the first conductive sheet in an abutting mode.
By adopting the scheme, the contact capacity of the conductive needle and the first conductive sheet is further improved through the elastic spring, so that the performance of the conductive needle is more stable, and the operation is more convenient.
The processing technology of the invention adopts the following processing steps: (1) selecting proper winding wires, two hook clamps, conductive columns, a plurality of pairs of supporting rods with the same thickness and sliding blocks with the same number on the supporting rods according to production requirements; (2) respectively sleeving the paired supporting rods on the conductive posts in a sleeving manner, so that the paired supporting rods are parallel to each other on the support, alternately winding the winding wires along the barbs on the supporting rods, continuously sleeving the paired supporting rods on the conductive posts after all the barbs are wound, and arranging the paired supporting rods to be vertical to the supporting rods of the previous layer, and continuously alternately winding the winding wires among the barbs on the supporting rods; (3) oil removal treatment: selecting proper deoiling liquid for treatment for 5-30 min according to the material of the wire; (4) activation/erosion treatment: selecting a proper activating agent for activation treatment according to the material of the selected wire, wherein the treatment time is 5-30 minutes; (5) derusting treatment: according to the material of the wire, if rust removal is needed, selecting a proper rust remover for rust removal treatment, wherein the treatment time is 5-30 minutes, and if rust removal is not needed, directly entering the next step; (6) after connecting the two hook clamps with the negative pole of the power supply, respectively clamping two conductive columns on the support, enabling the extending parts at the two ends of the conductive columns to be sleeved in the two annular clamping parts of the hook clamps, vertically placing the support into the plating solution to serve as a cathode, respectively placing metal plates at the two ends of the support and connecting the power supply for plating; (7) after the plating is completed, the stent is removed from the plating and the metal foam is removed by laser cutting techniques.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a hook clip according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a strut in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a slider in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a strut in an embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a cross-sectional view of the support rod sleeved on the conductive post in the embodiment of the present invention;
FIG. 8 is an enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic view of a winding wire wound in a zigzag shape in an embodiment of the present invention;
FIG. 10 is a schematic view of a winding wire wound in a zigzag shape in an embodiment of the present invention;
FIG. 11 is a schematic diagram of the appearance of the electroplating solution prepared in the embodiment of the present invention.
Detailed Description
The specific embodiment of the invention is shown in fig. 1-11, a device for preparing foam metal by electroplating method comprises a rectangular support 1, the rectangular support 1 comprises conductive columns 2 respectively arranged at four corners of the support, the conductive columns 2 are polygonal, a plurality of pairs of support rods 3 which are arranged in pairs and are parallel to each other are sleeved on four conductive columns 2, each pair of support rods 3 are alternately stacked, the support rods 3 between two adjacent pairs are mutually vertical, a guide rail 31 is arranged on each support rod 3 along the length direction, a first conductive sheet 4a is arranged on the inner wall of the guide rail 31 and extends along the length direction of the support rod 3, preferably the inner wall, the connection part of the support rod 3 and the conductive column 2 is in joint arrangement, a second conductive sheet 4b is arranged on the joint part of the support rod 3 and the conductive column 2 and is connected with the first conductive sheet 4a, a plurality of sliders 5 are slidably arranged in the guide rail 31, conductive pins 51 penetrating through the sliders 5 are arranged on the sliders 5, one ends of the conductive pins 51 elastically abut against the first conductive sheets 4a, and the other ends of the conductive pins 51 are bent to form barbs 511.
In this embodiment, this device of foamed metal is prepared to electroplating method still includes the couple and presss from both sides 6, couple clamp 6 symmetry is provided with two cyclic annular clamping parts 61, the outside extension that is provided with respectively that is used for with two the both ends of leading electrical pillar 2 cooperate the extension 21 of centre gripping, cyclic annular clamping part 61 cover is established on extension 21, plays the effect of hanging the support, couple clamp 6 is made by conducting material.
In this embodiment, an elastic spring 512 is disposed at one end of the conductive pin 51, and the elastic spring 512 is disposed on the first conductive sheet 4a in an abutting manner.
In the present embodiment, the thickness of the strut 3 is 200 μm or less.
In this embodiment, the processing technology of the metal foam includes the following steps:
(1) selecting proper conductive wires (note that the conductive wires can be metal wires such as copper wires or nonmetal wires such as carbon fiber wires), two hook clamps 6, conductive posts 2, a plurality of pairs of support rods 3 with the same thickness and sliders 5 with the same number, which are arranged on the support rods 3, according to production requirements;
(2) respectively sleeving the paired supporting rods 3 on the conductive posts 2 to enable the paired supporting rods 3 to be parallel to each other on the support, and alternately winding the winding wires along the barbs 511 on the supporting rods 3, wherein the winding mode can be alternatively wound on all the barbs 511 in a zigzag mode (as shown in fig. 9), or alternatively wound on all the barbs 511 in a Z-shaped mode (as shown in fig. 10), after all the barbs 511 are wound, the paired supporting rods 3 are continuously sleeved on the conductive posts 2 and are vertically arranged with the paired supporting rods 3 adjacent to the axial direction, and the winding wires are continuously alternately wound between the barbs 511 on the paired supporting rods 3 in the method;
(3) oil removal treatment: carrying out oil removal treatment according to the selected material of the wire:
1) metal copper wire "deoiling liquid: 10-20 g/L of sodium carbonate, 10-15 g/L of sodium phosphate, 0.1-0.2 g/L of sodium dodecyl thiosulfate and oil removing time: 10-20 min, temperature: room temperature ";
2) carbon fiber yarn "deoiling liquid: 100% of absolute ethyl alcohol, and oil removal time: 5-10 min, temperature: room temperature ";
3) non-conductive filaments (polypropylene material) "deoiling: 100% of absolute ethyl alcohol, and oil removal time: 5-10 min, temperature: room temperature ";
(4) activation/erosion treatment: carrying out activation treatment according to the selected material of the wire:
1) metallic copper wire "activator: 10-30 mL/L of hydrochloric acid, and the activation time is as follows: 30-60 seconds, temperature: room temperature ";
2) carbon fiber yarn "activator: 100 mL/L' of hydrochloric acid;
(5) derusting treatment: according to the material of the selected wire, if rust removal is needed, performing rust removal treatment: metal copper wire "rust removing liquid: 50-80 mL/L of sulfuric acid, and the rust removal time is as follows: 5-10 min, temperature: room temperature ";
(6) after connecting the two hook clamps 6 with the negative pole of the power supply, respectively clamping two conductive columns 2 on the support, so that the extending parts 21 at the two ends of the conductive columns 2 can be sleeved in the two annular clamping parts 61 of the hook clamps 6, vertically placing the support into the plating solution to serve as a cathode, respectively placing metal plates at the two ends of the support and connecting the power supply for plating; it should be noted that if the material of the non-conductive wire (polypropylene material) is adopted for conducting treatment before electroplating, the wound winding wire is dried after pretreatment, then the conductive adhesive TF-609 is uniformly brushed, dipped or sprayed, the leveling is carried out for 5-10 minutes, and the drying treatment is carried out at 60-70 ℃, wherein the time is as follows: 20-40 min;
(7) after the plating is completed, the stent is removed from the plating and the metal foam is removed by laser cutting techniques.
The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in other embodiments according to the disclosure of the present invention, or make simple changes or modifications on the design structure and idea of the present invention, and fall into the protection scope of the present invention.
Claims (4)
1. The device for preparing the foam metal by the electroplating method is characterized in that: the device comprises a rectangular bracket, wherein the rectangular bracket comprises conductive columns respectively arranged at four vertex angles of the bracket, the conductive columns are polygonal, a plurality of pairs of support rods which are arranged in pairs and are parallel to each other are sleeved between every two of the four conductive columns, the thickness of each support rod is less than or equal to 200 mu m, each pair of the support rods which are arranged in pairs are alternately stacked, the support rods between every two adjacent pairs are in a vertical state, a guide rail is arranged on each support rod along the length direction, a first conductive sheet is arranged on the inner wall of each guide rail and extends along the length direction of each support rod, the joints of the support rods and the conductive columns are in a joint arrangement, a second conductive sheet is arranged on each support rod and the joint of the conductive columns and connected with the first conductive sheet, a plurality of sliding blocks are arranged in the guide rail in a sliding manner, one end of the conductive needle is elastically abutted to the first conductive sheet, the other end of the conductive needle is bent to form a barb, the winding wire is positioned through the barb on the sliding block, a layer of metal net can be formed between the parallel supporting rods, the formed metal net is in a parallel state in the plane, then a plurality of layers of metal nets are arranged in an alternate stacking mode, a metal net frame which is provided with a plurality of meshes and is in a space three-dimensional shape is formed in the metal net frame, and the foam metal is formed on the metal net frame.
2. The apparatus for preparing foamed metal by electroplating according to claim 1, wherein: including the couple clamp, the couple presss from both sides the symmetry and is provided with two cyclic annular clamping parts, the both ends of leading electrical pillar outwards extend be provided with be used for respectively with two the extension of cyclic annular clamping part cooperation centre gripping, the couple presss from both sides and is made by conducting material.
3. The apparatus for preparing foamed metal by electroplating according to claim 1, wherein: and one end of the conductive pin is provided with an elastic reed which is arranged on the first conductive sheet in an abutting mode.
4. The processing technology of the foam metal is characterized by comprising the following steps: the apparatus for preparing foam metal according to claim 1, 2 or 3, wherein the processing technology of the foam metal comprises the following steps: (1) selecting proper winding wires, two hook clamps, conductive columns, a plurality of pairs of supporting rods with the same thickness and sliding blocks with the same number on the supporting rods according to production requirements; (2) respectively sleeving the paired supporting rods on the conductive posts in a sleeving manner, so that the paired supporting rods are parallel to each other on the support, alternately winding the winding wires along the barbs on the supporting rods, continuously sleeving the paired supporting rods on the conductive posts after all the barbs are wound, and arranging the paired supporting rods to be vertical to the supporting rods of the previous layer, and continuously alternately winding the winding wires among the barbs on the supporting rods; (3) oil removal treatment: selecting proper deoiling liquid for treatment for 5-30 min according to the material of the wire; (4) etching treatment: selecting a proper activating agent for activation treatment according to the material of the selected wire, wherein the treatment time is 5-30 minutes; (5) derusting treatment: according to the material of the wire, if rust removal is needed, selecting a proper rust remover for rust removal treatment, wherein the treatment time is 5-30 minutes, and if rust removal is not needed, directly entering the next step; (6) after connecting the two hook clamps with the negative pole of the power supply, respectively clamping two conductive columns on the support, enabling the extending parts at the two ends of the conductive columns to be sleeved in the two annular clamping parts of the hook clamps, vertically placing the support into the plating solution to serve as a cathode, respectively placing metal plates at the two ends of the support and connecting the power supply for plating; (7) after the plating is completed, the stent is removed from the plating solution and the metal foam is removed by a laser cutting technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910055971.9A CN109628963B (en) | 2019-01-22 | 2019-01-22 | Device for preparing foam metal by electroplating method and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910055971.9A CN109628963B (en) | 2019-01-22 | 2019-01-22 | Device for preparing foam metal by electroplating method and processing technology thereof |
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| CN109628963A CN109628963A (en) | 2019-04-16 |
| CN109628963B true CN109628963B (en) | 2020-01-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031866A (en) * | 1988-04-16 | 1989-03-22 | 华东师范大学 | Active cathode with porous nickel plating and preparation method thereof |
| CN1106079A (en) * | 1993-09-14 | 1995-08-02 | 片山特殊工业株式会社 | Metallic porous sheet and method for manufacturing same |
| CN101130879A (en) * | 2006-08-25 | 2008-02-27 | 陈波 | Electroforming net preparation method |
| CN202576611U (en) * | 2012-04-10 | 2012-12-05 | 昆山允升吉光电科技有限公司 | Electric-casting planar wire mesh |
| CN103849906A (en) * | 2014-03-26 | 2014-06-11 | 哈尔滨工业大学 | Preparation method of super-hydrophobic porous mesh for oil water separation |
| CN107779926A (en) * | 2016-08-31 | 2018-03-09 | 安平县亚荣星环保科技有限公司 | A kind of woven wire with aluminum oxide coating layer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1030081C2 (en) * | 2005-09-30 | 2007-04-02 | Stork Veco Bv | Sieve material from metal and method for its manufacture. |
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2019
- 2019-01-22 CN CN201910055971.9A patent/CN109628963B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031866A (en) * | 1988-04-16 | 1989-03-22 | 华东师范大学 | Active cathode with porous nickel plating and preparation method thereof |
| CN1106079A (en) * | 1993-09-14 | 1995-08-02 | 片山特殊工业株式会社 | Metallic porous sheet and method for manufacturing same |
| CN101130879A (en) * | 2006-08-25 | 2008-02-27 | 陈波 | Electroforming net preparation method |
| CN202576611U (en) * | 2012-04-10 | 2012-12-05 | 昆山允升吉光电科技有限公司 | Electric-casting planar wire mesh |
| CN103849906A (en) * | 2014-03-26 | 2014-06-11 | 哈尔滨工业大学 | Preparation method of super-hydrophobic porous mesh for oil water separation |
| CN107779926A (en) * | 2016-08-31 | 2018-03-09 | 安平县亚荣星环保科技有限公司 | A kind of woven wire with aluminum oxide coating layer |
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