CN111455201A - Aluminum alloy casting process - Google Patents
Aluminum alloy casting process Download PDFInfo
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- CN111455201A CN111455201A CN202010374597.1A CN202010374597A CN111455201A CN 111455201 A CN111455201 A CN 111455201A CN 202010374597 A CN202010374597 A CN 202010374597A CN 111455201 A CN111455201 A CN 111455201A
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- aluminum alloy
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- sulfuric acid
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 193
- 238000005266 casting Methods 0.000 title claims abstract description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 190
- 239000003792 electrolyte Substances 0.000 claims abstract description 105
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims description 33
- 230000003647 oxidation Effects 0.000 claims description 25
- 238000007254 oxidation reaction Methods 0.000 claims description 25
- 239000000155 melt Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 238000013021 overheating Methods 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010309 melting process Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 13
- 235000011149 sulphuric acid Nutrition 0.000 description 12
- 239000001117 sulphuric acid Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention belongs to the technical field of aluminum alloy, and particularly relates to an aluminum alloy casting process, wherein an electrolysis device used in the process comprises an electrolytic cell; the electrolytic cell is internally provided with sulfuric acid electrolyte and internally provided with a swinging unit; the swinging unit comprises a motor, a sliding rail and a bearing plate; an output shaft of the motor penetrates through the side wall of the electrolytic cell and extends into the electrolytic cell, a rotating disc is arranged at the end part of the output shaft of the motor, the eccentric position of the end surface of the rotating disc is hinged with one end of a connecting rod, and the other end of the connecting rod is hinged with a first rod; two ends of each first rod are embedded in sliding rails on the side walls of the electrolytic cell, and a bearing plate is hinged between the two first rods; an anode wiring board and a cathode wiring board are inserted in the side wall of the electrolytic cell; the positive terminal plate passes through the side wall of the electrolytic cell and is fixedly connected on the sliding rail, and the negative terminal plate is arranged below the positive terminal plate; the negative electrode wiring board penetrates through the side wall of the electrolytic cell and extends into the sulfuric acid electrolyte; through the cooperation between the electrolytic cell and the swing unit, the formation of an oxide film on the outer surface of the aluminum alloy plate is realized.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy, and particularly relates to an aluminum alloy casting process.
Background
The raw aluminum is generally called electrolytic aluminum in market supply, and is a raw material for producing aluminum materials and aluminum alloy materials. The aluminum is a metal with low strength and good plasticity, and is prepared into an alloy for improving the strength or the comprehensive performance except for applying partial pure aluminum. The structure and performance of aluminium can be changed by adding an alloy element into aluminium, and it is suitable for various working materials or casting parts, and the alloy elements added frequently are copper, magnesium, zinc and silicon.
Aluminum alloys are an important class of metal materials that have recently developed. The aluminum alloy has the advantages of high strength, small density, strong electric and thermal conductivity, excellent mechanical property, good machinability and the like, and is widely applied to the fields of chemical industry, aerospace industry, automobile manufacturing industry, food industry, electronics, instrument and meter industry, marine ship industry and the like. However, aluminum alloys, like other metals, also face serious corrosion problems. Although a natural oxide film having a thickness of 2 to 5nm is easily formed on the surface of an aluminum alloy under natural conditions, the film is porous, non-uniform, and poor in corrosion resistance, and is difficult to resist corrosion in a severe environment.
An electrolytic cathode assembly and cell provided in application No. 2016109704108, the cell comprising a body having an electrolyte receiving space therein; the electrolytic anode assembly is arranged in the electrolyte; if the electrolytic cell electrolyzes the aluminum alloy plate to form an oxide film, the aluminum alloy plate stands in the electrolytic cell, so that the ion distribution in electrolyte around the aluminum alloy plate is uneven, the thickness of the oxide film formed on the outer surface of the aluminum alloy plate is affected to be not uniform enough, and the electrolyte can be splashed out if the aluminum alloy plate is manually stirred;
the aluminum alloy plate is designed for the company, electrolyte stirring is realized by swinging the aluminum alloy plate, a uniform oxidation film is formed on the outer surface of the aluminum alloy plate, and meanwhile, the phenomenon that when electrolyte is splashed out due to manual stirring, the electrolyte corrodes the skin of a human body or clothes is avoided.
Disclosure of Invention
In order to remedy the deficiencies of the prior art and to solve the problems described in the background, the present invention proposes a process for casting an aluminium alloy.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an aluminum alloy casting process, which comprises the following steps:
s1: charging and melting, wherein during charging, relatively small blocks are firstly charged and slide into the thin slice waste, then aluminum ingots and relatively large blocks are charged in the middle, and finally intermediate alloy materials are charged; and then heating after charging the furnace burden, wherein the raw material is changed from a solid state to a liquid state, when the furnace burden is softened and collapses, a layer of powdery flux is spread on the surface of the metal to cover the surface of the metal, and the flux is Kcl: NaCl as 1: 1 mixed powder;
s2: stirring the melt, wherein the attention is paid to prevent the melt from overheating in the melting process, the temperature of a hearth during melting of a melting furnace is up to 1200 ℃, and local overheating is easily generated at the high temperature, so that after the furnace burden is melted, the melt is properly stirred to ensure that the temperature of each part in a melting pool is uniform, the melting is accelerated, and a large amount of oxidation slag floating on the surface of the melt is removed while stirring;
s3: refining and discharging, namely after the melt is subjected to gas refining treatment and surface scum is removed, when the temperature is proper, infusing the metal melt into a standing furnace, condensing the metal melt into blocks so as to prepare for casting, then sequentially performing alkali washing and acid washing, and finally performing electrolysis by an electrolysis device to form a layer of oxide film on the outer surface of the aluminum alloy plate so as to protect the aluminum alloy plate;
wherein the electrolysis apparatus described in the above S3 comprises an electrolytic cell; the electrolytic cell is internally provided with sulfuric acid electrolyte and internally provided with a swinging unit; the swinging unit comprises a motor, a sliding rail and a bearing plate; the motor is fixedly connected to the side wall of the electrolytic cell through screws, an output shaft of the motor penetrates through the side wall of the electrolytic cell and extends into the electrolytic cell, a rotating disc is arranged at the end part of the output shaft of the motor, the eccentric position of the end face of the rotating disc is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to a first rod; the number of the first rods is two, two ends of each first rod are embedded in sliding rails on the side walls of the electrolytic cell, and a bearing plate is hinged between the two first rods; an anode wiring board and a cathode wiring board are inserted into the side wall of the electrolytic cell; the positive terminal plate penetrates through the side wall of the electrolytic cell and is fixedly connected to the sliding rail, and the negative terminal plate is arranged below the positive terminal plate; the negative wiring board penetrates through the side wall of the electrolytic cell and extends into sulfuric acid electrolyte; forming an oxide film on the outer surface of the aluminum alloy plate by matching the electrolytic cell and the swinging unit; when the aluminum alloy plate is in work, a natural oxidation film with the thickness of 2-4nm is formed on the surface of the aluminum alloy under natural conditions, but the natural oxidation film is porous, uniform in thickness part and poor in corrosion resistance and is difficult to resist corrosion in severe environment, and when the aluminum alloy plate is placed in a motor groove for electrolysis to form the oxidation film, the problem of uneven thickness of the oxidation film formed on the surface of the aluminum alloy plate placed still can also be caused, therefore, the aluminum alloy plate is subjected to swing electrolysis in an electrolytic cell to form the oxidation film; after an aluminum alloy plate is placed on a bearing table, a motor rotates to drive a rotary table to rotate, then the rotary table pulls and pushes a first rod to swing in a sliding rail through a connecting rod, then the first rod drives the aluminum alloy plate to swing in an electrolytic cell through a bearing plate, meanwhile, the swinging of the bearing plate and the aluminum alloy plate can also stir sulfuric acid electrolyte in the electrolytic cell, so that ions in the sulfuric acid electrolyte are uniformly distributed in the electrolytic cell, meanwhile, the aluminum alloy plate is thoroughly hooked in a rinsing part in acid washing after alkaline washing, the surface of the aluminum alloy plate is alkaline, a layer of natural oxidation film can be formed in the air, the film cannot be removed during oxidation due to weak acidity of the sulfuric acid electrolyte, and therefore, a conductive oxidation film layer cannot be formed at the position, and the natural oxidation film on the surface of the aluminum alloy plate can be cleaned firstly and then is subjected to conductive oxidation to form a compact oxidation film, so that the thickness of the oxide film on the outer surface of the aluminum alloy plate is relatively uniform, which is in turn beneficial to the corrosion protection of the aluminum alloy plate.
Preferably, a buffer plate is arranged on the upper plate surface of the bearing plate; springs are arranged at four corners of the lower plate surface of the buffer plate, the springs are connected between the bearing plate and the buffer plate, and in an initial state, the buffer plate is higher than the liquid level of sulfuric acid electrolyte; the sulfuric acid electrolyte is prevented from being splashed out of the electrolytic cell by the buffer plate and the first spring in the process of putting the aluminum alloy plate into the electrolytic cell; when the aluminum alloy plate loading plate is in work, sulfuric acid electrolyte is corrosive to skin of a human body and clothes worn on the human body, if the aluminum alloy plate falls on the loading plate in the process of placing the aluminum alloy plate on the loading plate, the aluminum alloy plate can splash the sulfuric acid electrolyte, so that the sulfuric acid electrolyte splashes on the skin of the human body or the clothes, the skin is damaged or the clothes are rotted, meanwhile, the sulfuric acid electrolyte is wasted, and therefore the buffer plate is arranged on the loading plate; because the liquid level of sulfuric acid electrolyte is higher than during buffer board initial state, placing the in-process at the loading board with the aluminum alloy plate, the aluminum alloy plate at first does not contact with sulfuric acid electrolyte, then the aluminum alloy passes through buffer board extrusion spring No. one for the aluminum alloy plate falls into sulfuric acid electrolyte gradually, avoids the aluminum alloy plate directly to fall into in sulfuric acid electrolyte, causes the emergence of sulfuric acid electrolyte's spill phenomenon.
Preferably, the upper plate surface of the bearing plate is symmetrically provided with pressing buckles; the pressing buckle is arranged on the bearing plate close to the sliding rail and is U-shaped, one corner of the pressing buckle is hinged to the bearing plate through a fixing block, and one end of the pressing buckle is connected to the lower plate surface of the buffer plate through a steel wire rope; through the matching among the buffer plate, the pressing buckle and the steel wire rope, the aluminum alloy plate is fixed; during working, in the process that the aluminum alloy plate swings on the bearing plate to electrolyze to form an oxide film, the aluminum alloy plate slides on the buffer plate due to the swinging of the bearing plate, so that friction is generated between the aluminum alloy plate and the buffer plate, and the oxide film cannot be formed in a friction area on the aluminum alloy plate; the aluminum alloy plate is placed on the buffer plate, the buffer plate is arranged below the aluminum alloy plate, one end of the pressing buckle is pressed downwards by the buffer plate, the pressing buckle rotates around the hinged point of the pressing buckle, and the other end of the pressing buckle is buckled and pressed on the upper plate surface of the aluminum alloy plate, so that the aluminum alloy plate is difficult to generate sliding friction on the buffer plate, and the phenomenon that an oxidation film cannot be formed in a friction area on the aluminum alloy plate is avoided; and when the aluminium alloy plate took off the in-process from the buffer board, the aluminium alloy plate breaks away from the buffer board gradually, and the buffer board resumes initial position under the spring action of a spring, and the buffer board passes through the one end that the mouth was pressed in the wire rope pulling simultaneously for the aluminium alloy plate is no longer pressed to the other end of pressing the button, makes things convenient for placing and taking off of aluminium alloy plate.
Preferably, the side wall of the electrolytic cell is symmetrically provided with baffles; the baffle is fixedly connected at a position three quarters away from the bottom of the electrolytic cell, and a buffer rod is arranged on the lower plate surface of the baffle; a second spring is arranged between the lower end of the buffer rod and the lower plate surface of the baffle plate; through the cooperation among the baffle, the buffer rod and the second spring, the swinging buffer of the bearing plate is realized; when the aluminum alloy plate swings in the electrolytic cell along with the bearing plate and the buffer plate, sulfuric acid electrolyte can also swing in the electrolytic cell, so that the sulfuric acid electrolyte is splashed out from two side walls of the electrolytic cell, and therefore, the baffle is arranged in the direction of back-and-forth swinging of the sulfuric acid electrolyte, so that the sulfuric acid electrolyte impacts the lower plate surface of the baffle, the splashing waste of the sulfuric acid electrolyte is avoided, and meanwhile, when the side edge of the aluminum alloy plate touches and extrudes the buffer rod, the aluminum alloy plate can play an auxiliary role in back-and-forth swinging, the force used in the return stroke of the aluminum alloy plate is reduced, the output power of the motor is reduced, the loss of the motor is reduced; meanwhile, sulfuric acid electrolyte impacts on the baffle 13, and impact force on the aluminum alloy plate can be increased when the sulfuric acid electrolyte flows back, so that a natural oxidation film on the aluminum alloy plate is easier to clean by the sulfuric acid electrolyte.
Preferably, the upper plate surface of the baffle is provided with an air blowing unit; the air blowing unit comprises a shell, a push plate and a first pipeline; the shell is fixedly connected to the upper plate surface of the baffle plate, the side wall of the shell is provided with an air inlet and an air outlet, the inner side of the air inlet is hinged with the sealing plate, the air outlet is connected with one end of a first pipeline, the other end of the first pipeline penetrates through the baffle plate and extends into the bottom of the electrolytic cell, a push plate is arranged inside the shell, and the lower plate surface of the push plate is fixedly connected with the upper end of the buffer rod; the air-blowing agitation of the materials at the bottom of the electrolytic cell is realized through the air-blowing unit; during the operation, aluminum alloy plate is when along with the loading board swing, and the side extrusion buffer beam of aluminum alloy plate, then the buffer beam promotes the push pedal, and the push pedal pushes up the sealing plate after that to block up the air inlet, then during gaseous sulfuric acid electrolyte solution in the electrolytic cell is bloated through a pipeline in the casing, make the sulfuric acid electrolyte solution of corner department in the electrolytic cell mix, thereby make sulfuric acid electrolyte solution's ion distribution more even.
Preferably, a plurality of V-shaped plates are symmetrically arranged on the lower plate surface of the bearing plate, and the tips of the V-shaped plates are close to the side wall of the electrolytic cell; the materials in the electrolytic cell are fished through the V-shaped plate; the during operation, during the loading board swing, drive the swing of V-arrangement board, when the most advanced of V-arrangement board is close to the electrolytic bath lateral wall, aluminum alloy plate's side extrusion buffer beam, then the buffer beam promotes the push pedal and strikes the internal gas of casing in the electrolytic bath corner, make sulphuric acid electrolyte blast and mix, when the electrolytic bath lateral wall is kept away from gradually to the V-arrangement board, the sulphuric acid electrolyte that the open end of V-arrangement board was bloated with corner promotes the middle part of electrolytic bath, make the ionic distribution in the sulphuric acid electrolyte more even, the character design of V-arrangement board simultaneously, also can reduce sulphuric acid electrolyte to the resistance of loading board, used power when reducing the aluminum alloy plate return stroke, reduce motor output simultaneously, reduce the loss to the motor, the life of extension motor.
The invention has the following beneficial effects:
1. according to the aluminum alloy casting process, the sulfuric acid electrolyte in the electrolytic cell is stirred through the swinging of the bearing plate and the aluminum alloy plate, so that ions in the sulfuric acid electrolyte are uniformly distributed in the electrolytic cell, an oxidation film is favorably and uniformly formed on the outer surface of the aluminum alloy plate, the thickness of the oxidation film on the outer surface of the aluminum alloy plate is relatively uniform, and the corrosion resistance protection of the aluminum alloy plate is favorably realized.
2. According to the aluminum alloy casting process, the aluminum alloy plate is placed on the buffer plate, the aluminum alloy plate is placed on the bearing plate to be buffered, sulfuric acid electrolyte in the electrolytic cell is prevented from splashing, meanwhile, when the aluminum alloy plate swings along with the bearing plate, the side edge of the aluminum alloy plate extrudes the buffer rod, the buffer rod pushes the push plate, gas in the shell is blown into the sulfuric acid electrolyte in the electrolytic cell through the first pipeline by the push plate, so that the sulfuric acid electrolyte at the corner in the electrolytic cell is stirred and mixed, ions of the sulfuric acid electrolyte are distributed more uniformly, and a uniform oxidation film is formed on the surface of the aluminum alloy plate.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a perspective view of an electrolytic apparatus according to the present invention;
FIG. 3 is a cross-sectional view of an electrolytic device according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a partial enlarged view at B in FIG. 3;
in the figure: electrolytic cell 1, positive pole terminal board 11, negative pole terminal board 12, baffle 13, buffer rod 131, No. two spring 132, swing unit 2, motor 21, rotating disc 211, connecting rod 212, No. one pole 213, slide rail 22, loading board 23, buffer board 231, No. one spring 232, press buckle 233, wire rope 234, V-shaped plate 235 air-blowing unit 3, shell 31, air inlet 311, air outlet 312, sealing board 313, push plate 32, No. one pipeline 33.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the aluminum alloy casting process of the present invention comprises the following steps:
s1: charging and melting, wherein during charging, relatively small blocks are firstly charged and slide into the thin slice waste, then aluminum ingots and relatively large blocks are charged in the middle, and finally intermediate alloy materials are charged; and then heating after charging the furnace burden, wherein the raw material is changed from a solid state to a liquid state, when the furnace burden is softened and collapses, a layer of powdery flux is spread on the surface of the metal to cover the surface of the metal, and the flux is Kcl: NaCl as 1: 1 mixed powder;
s2: stirring the melt, wherein the attention is paid to prevent the melt from overheating in the melting process, the temperature of a hearth during melting of a melting furnace is up to 1200 ℃, and local overheating is easily generated at the high temperature, so that after the furnace burden is melted, the melt is properly stirred to ensure that the temperature of each part in a melting pool is uniform, the melting is accelerated, and a large amount of oxidation slag floating on the surface of the melt is removed while stirring;
s3: refining and discharging, namely after the melt is subjected to gas refining treatment and surface scum is removed, when the temperature is proper, infusing the metal melt into a standing furnace, condensing the metal melt into blocks so as to prepare for casting, then sequentially performing alkali washing and acid washing, and finally performing electrolysis by an electrolysis device to form a layer of oxide film on the outer surface of the aluminum alloy plate so as to protect the aluminum alloy plate;
wherein the electrolysis apparatus described in the above S3 includes an electrolytic cell 1; the electrolytic cell 1 is internally provided with a swing unit 2; the swing unit 2 comprises a motor 21, a sliding rail 22 and a bearing plate 23; the motor 21 is fixedly connected to the side wall of the electrolytic cell 1 through screws, the output shaft of the motor 21 penetrates through the side wall of the electrolytic cell 1 and extends into the electrolytic cell 1, the end part of the output shaft of the motor 21 is provided with a rotating disc 211, the eccentric position of the end surface of the rotating disc 211 is hinged with one end of a connecting rod 212, and the other end of the connecting rod 212 is hinged with a first rod 213; the number of the first rods 213 is two, two ends of each first rod 213 are embedded in the sliding rails 22 on the side walls of the electrolytic cell 1, and a bearing plate 23 is hinged between the two first rods 213; a positive terminal plate 11 and a negative terminal plate 12 are inserted into the side wall of the electrolytic cell 1; the positive terminal plate 11 passes through the side wall of the electrolytic cell 1 and is fixedly connected on the sliding rail 22, and the negative terminal plate 12 is arranged below the positive terminal plate 11; the negative terminal plate 12 penetrates through the side wall of the electrolytic cell 1 and extends into sulfuric acid electrolyte; forming an oxide film on the outer surface of the aluminum alloy plate by matching the electrolytic cell 1 and the swing unit 2; when the aluminum alloy electrolytic cell works, a natural oxide film with the thickness of 2-4nm is formed on the surface of the aluminum alloy under natural conditions, but the natural oxide film is porous, uniform in thickness part and poor in corrosion resistance and is difficult to resist corrosion in severe environment, and when the aluminum alloy plate is placed in the groove of the motor 21 for electrolysis to form the oxide film, the problem of uneven thickness of the oxide film formed on the surface of the aluminum alloy plate placed still can also be caused, and therefore, the aluminum alloy plate is subjected to swing electrolysis in the electrolytic cell 1 to form the oxide film; after an aluminum alloy plate is placed on a bearing table, a motor 21 rotates to drive a rotary table to rotate, then the rotary table pulls and pushes a first rod 213 to swing in a sliding rail 22 through a connecting rod, then the first rod 213 drives the aluminum alloy plate to swing in an electrolytic cell 1 through a bearing plate 23, meanwhile, the bearing plate 23 and the aluminum alloy plate swing to stir sulfuric acid electrolyte in the electrolytic cell 1, so that ions in the sulfuric acid electrolyte are uniformly distributed in the electrolytic cell 1, meanwhile, the aluminum alloy plate is thoroughly hooked in a rinsing part in acid washing after alkaline washing, the surface of the aluminum alloy plate is alkaline, a layer of natural oxide film can be formed in the air, the sulfuric acid electrolyte is weak in acidity, the film cannot be removed in oxidation, a conductive oxide film layer cannot be formed at the position, and the natural oxide film on the surface of the aluminum alloy plate can be cleaned firstly by swinging the aluminum alloy plate in sulfuric acid electrolyte, and then conducting oxidation to form a compact oxide film, so that the thickness of the oxide film on the outer surface of the aluminum alloy plate is relatively uniform, and the corrosion resistance protection of the aluminum alloy plate is benefited.
As a specific embodiment of the present invention, a buffer plate 231 is disposed on the upper plate surface of the bearing plate 23; a first spring 232 is arranged at four corners of the lower plate surface of the buffer plate 231, the first spring 232 is connected between the bearing plate 23 and the buffer plate 231, and in an initial state, the buffer plate 231 is higher than the liquid level of the sulfuric acid electrolyte; the buffer plate 231 and the first spring 232 prevent sulfuric acid electrolyte from splashing out of the electrolytic cell 1 in the process of putting the aluminum alloy plate into the electrolytic cell 1; when the aluminum alloy plate is placed on the bearing plate 23, the aluminum alloy plate drops on the bearing plate 23 and splashes sulfuric acid electrolyte off, so that the sulfuric acid electrolyte splashes on the skin of a human body or clothes, the skin is damaged or the clothes are rotted, and the sulfuric acid electrolyte is wasted, so that the buffer plate 231 is arranged on the bearing plate 23; because the liquid level of sulfuric acid electrolyte is higher than during buffer plate 231 initial state, placing the in-process at loading board 23 with the aluminum alloy plate, the aluminum alloy plate at first does not contact with sulfuric acid electrolyte, then the aluminum alloy passes through buffer plate 231 extrusion spring 232 No. for the aluminum alloy plate falls into sulfuric acid electrolyte gradually, avoids the aluminum alloy plate directly to fall into in sulfuric acid electrolyte, causes the emergence of sulfuric acid electrolyte's spill phenomenon.
As a specific embodiment of the present invention, the upper plate surface of the bearing plate 23 is symmetrically provided with pressing buttons 233; the pressing buckle 233 is arranged on the bearing plate 23 close to the sliding rail 22, the pressing buckle 233 is U-shaped, one corner of the pressing buckle 233 is hinged to the bearing plate 23 through a fixing block, and one end of the pressing buckle 233 is connected to the lower plate surface of the buffer plate 231 through a steel wire rope 234; through the matching among the buffer plate 231, the pressing buckle 233 and the steel wire 234, the fixation of the aluminum alloy plate is realized; during operation, in the process that the aluminum alloy plate swings on the bearing plate 23 to electrolyze to form an oxide film, due to the swinging of the bearing plate 23, the aluminum alloy plate slides on the buffer plate 231, so that friction occurs between the aluminum alloy plate and the buffer plate 231, and the oxide film cannot be formed in a friction area on the aluminum alloy plate, therefore, the aluminum alloy plate is buckled on the buffer plate 231 through the pressing buckle 233, and the sliding friction between the aluminum alloy plate and the buffer plate 231 is avoided; when the aluminum alloy plate is placed on the buffer plate 231 again, the lower buffer plate 231 of the aluminum alloy plate, the buffer plate 231 presses one end of the pressing buckle 233 downwards, then the pressing buckle 233 rotates around the hinge point of the pressing buckle, and the other end of the pressing buckle 233 is buckled and pressed on the upper plate surface of the aluminum alloy plate, so that the aluminum alloy plate is difficult to generate sliding friction on the buffer plate 231, and the phenomenon that an oxide film cannot be formed in a friction area on the aluminum alloy plate is avoided; and when the aluminium alloy plate took off the in-process from buffer plate 231, the aluminium alloy plate breaks away from buffer plate 231 gradually, and buffer plate 231 resumes initial position under spring 232's elasticity effect, and buffer plate 231 passes through the one end that wire rope 234 pulling pressed the mouth simultaneously for the aluminium alloy plate is no longer pressed to the other end of pressing button 233, makes things convenient for placing and taking off of aluminium alloy plate.
As a specific embodiment of the invention, the side wall of the electrolytic cell 1 is symmetrically provided with baffles 13; the baffle 13 is fixedly connected at a position three quarters away from the bottom of the electrolytic cell 1, and a buffer rod 131 is arranged on the lower plate surface of the baffle 13; a second spring 132 is arranged between the lower end of the buffer rod 131 and the lower plate surface of the baffle 13; through the cooperation among the baffle 13, the buffer rod 131 and the second spring 132, the swinging buffer of the bearing plate 23 is realized; when the aluminum alloy plate swings in the electrolytic cell 1 along with the bearing plate 23 and the buffer plate 231, sulfuric acid electrolyte can also swing in the electrolytic cell 1, so that the sulfuric acid electrolyte is splashed out from two side walls of the electrolytic cell 1, and therefore, the baffle 13 is arranged in the direction of the back-and-forth swinging of the sulfuric acid electrolyte, so that the sulfuric acid electrolyte impacts the lower plate surface of the baffle 13, the splashing waste of the sulfuric acid electrolyte is avoided, meanwhile, when the side edge of the aluminum alloy plate touches and extrudes the buffer rod 131, the back-and-forth swinging of the aluminum alloy plate can be assisted, the force used in the return stroke of the aluminum alloy plate is reduced, the output power of the motor 21 is reduced, the loss of the motor 21 is reduced, and the service; meanwhile, sulfuric acid electrolyte impacts on the baffle 13, and impact force on the aluminum alloy plate can be increased when the sulfuric acid electrolyte flows back, so that a natural oxidation film on the aluminum alloy plate is easier to clean by the sulfuric acid electrolyte.
As a specific embodiment of the present invention, the upper plate surface of the baffle 13 is provided with an air blowing unit 3; the air blowing unit 3 comprises a shell 31, a push plate 32 and a first pipeline 33; the shell 31 is fixedly connected to the upper plate surface of the baffle 13, the side wall of the shell 31 is provided with an air inlet 311 and an air outlet 312, the inner side of the air inlet 311 is hinged with a sealing plate 313, the air outlet 312 is connected with one end of a first pipeline 33, the other end of the first pipeline 33 penetrates through the baffle 13 and extends into the bottom of the electrolytic cell 1, a push plate 32 is arranged inside the shell 31, and the lower plate surface of the push plate 32 is fixedly connected with the upper end of the buffer rod 131; the air-blowing agitation of the material at the bottom of the electrolytic cell 1 is realized through the air-blowing unit 3; the during operation, aluminum alloy plate is when swinging along with loading board 23, and aluminum alloy plate's side extrusion buffer beam 131, then buffer beam 131 promotes push pedal 32, and push pedal 32 pushes up sealing plate 313 after that to block up air inlet 311, then during gas in the casing 31 blew into electrolytic bath 1 interior sulfuric acid electrolyte through a pipeline 33, make the sulfuric acid electrolyte of 1 interior corner department of electrolytic bath mix, thereby make sulfuric acid electrolyte's ionic distribution more even.
As a specific embodiment of the invention, a plurality of V-shaped plates 235 are symmetrically arranged on the lower plate surface of the bearing plate 23, and the tips of the V-shaped plates 235 are close to the side wall of the electrolytic cell 1; the materials in the electrolytic cell 1 are fished through the V-shaped plate 235; the during operation, during loading board 23 swings, drive the swing of V-arrangement board 235, when the most advanced of V-arrangement board 235 is close to 1 lateral wall of electrolytic bath, the side extrusion buffer lever 131 of aluminum alloy board, then buffer lever 131 promotes push pedal 32 with the gaseous impact in the casing 31 in 1 interior corner department of electrolytic bath, make sulphuric acid electrolyte blast and stir, when 1 lateral wall of electrolytic bath is kept away from gradually to V-arrangement board 235, the sulphuric acid electrolyte that the open end of V-arrangement board 235 bloated with the corner department promotes the middle part of electrolytic bath 1, make the ion distribution in the sulphuric acid electrolyte more even, simultaneously the property design of V-arrangement board 235, also can reduce the resistance of sulphuric acid electrolyte to loading board 23, used power when reducing the aluminum alloy board return stroke, reduce motor 21 output simultaneously, reduce the loss to motor 21, prolong motor 21's life.
When the aluminum alloy electrolytic cell works, a natural oxide film with the thickness of 2-4nm is formed on the surface of the aluminum alloy under natural conditions, but the natural oxide film is porous, uniform in thickness part and poor in corrosion resistance and is difficult to resist corrosion in severe environment, and when the aluminum alloy plate is placed in the groove of the motor 21 for electrolysis to form the oxide film, the problem of uneven thickness of the oxide film formed on the surface of the aluminum alloy plate placed still can also be caused, and therefore, the aluminum alloy plate is subjected to swing electrolysis in the electrolytic cell 1 to form the oxide film; after an aluminum alloy plate is placed on a bearing table, a motor 21 rotates to drive a rotary table to rotate, then the rotary table pulls and pushes a first rod 213 to swing in a sliding rail 22 through a connecting rod, then the first rod 213 drives the aluminum alloy plate to swing in an electrolytic cell 1 through a bearing plate 23, meanwhile, the bearing plate 23 and the aluminum alloy plate swing to stir sulfuric acid electrolyte in the electrolytic cell 1, so that ions in the sulfuric acid electrolyte are uniformly distributed in the electrolytic cell 1, meanwhile, the aluminum alloy plate is thoroughly hooked in a rinsing part in acid washing after alkaline washing, the surface of the aluminum alloy plate is alkaline, a layer of natural oxide film can be formed in the air, the sulfuric acid electrolyte is weak in acidity, the film cannot be removed in oxidation, a conductive oxide film layer cannot be formed at the position, and the natural oxide film on the surface of the aluminum alloy plate can be cleaned firstly by swinging the aluminum alloy plate in sulfuric acid electrolyte, conducting oxidation to form a compact oxide film, so that the thickness of the oxide film on the outer surface of the aluminum alloy plate is relatively uniform, and the corrosion resistance protection of the aluminum alloy plate is facilitated; the sulfuric acid electrolyte is corrosive to the skin of a human body and clothes worn on the human body, if the aluminum alloy plate falls on the bearing plate 23 in the process of placing the aluminum alloy plate on the bearing plate 23, the aluminum alloy plate splashes the sulfuric acid electrolyte, so that the sulfuric acid electrolyte splashes on the skin of the human body or the clothes, the clothes are damaged or rotted to the skin, and meanwhile, the sulfuric acid electrolyte is wasted, and therefore the bearing plate 23 is provided with the buffer plate 231; because the buffer plate 231 is higher than the liquid level of the sulfuric acid electrolyte in the initial state, the aluminum alloy plate is not contacted with the sulfuric acid electrolyte firstly in the process of placing the aluminum alloy plate on the bearing plate 23, and then the aluminum alloy extrudes the first spring 232 through the buffer plate 231, so that the aluminum alloy plate gradually falls into the sulfuric acid electrolyte, and the aluminum alloy plate is prevented from directly falling into the sulfuric acid electrolyte to cause the phenomenon of splashing of the sulfuric acid electrolyte; in the process that the aluminum alloy plate swings and is electrolyzed on the bearing plate 23 to form the oxide film, due to the swinging of the bearing plate 23, the aluminum alloy plate slides on the buffer plate 231, so that friction is generated between the aluminum alloy plate and the buffer plate 231, and the oxide film cannot be formed in a friction area on the aluminum alloy plate, therefore, the aluminum alloy plate is buckled and pressed on the buffer plate 231 through the pressing buckle 233, and the sliding friction between the aluminum alloy plate and the buffer plate 231 is avoided; when the aluminum alloy plate is placed on the buffer plate 231 again, the lower buffer plate 231 of the aluminum alloy plate, the buffer plate 231 presses one end of the pressing buckle 233 downwards, then the pressing buckle 233 rotates around the hinge point of the pressing buckle, and the other end of the pressing buckle 233 is buckled and pressed on the upper plate surface of the aluminum alloy plate, so that the aluminum alloy plate is difficult to generate sliding friction on the buffer plate 231, and the phenomenon that an oxide film cannot be formed in a friction area on the aluminum alloy plate is avoided; when the aluminum alloy plate is taken down from the buffer plate 231, the aluminum alloy plate is gradually separated from the buffer plate 231, the buffer plate 231 is restored to the initial position under the action of the elastic force of the first spring 232, and meanwhile, the buffer plate 231 pulls one end of the pressing opening through the steel wire rope 234, so that the aluminum alloy plate is not pressed any more by the other end of the pressing buckle 233, and the aluminum alloy plate is convenient to place and take down; when the aluminum alloy plate swings in the electrolytic cell 1 along with the bearing plate 23 and the buffer plate 231, the sulfuric acid electrolyte can also swing in the electrolytic cell 1, so that the sulfuric acid electrolyte is splashed out from two side walls of the electrolytic cell 1, and therefore, the baffle 13 is arranged in the back-and-forth swinging direction of the sulfuric acid electrolyte, so that the sulfuric acid electrolyte impacts the lower plate surface of the baffle 13, the splashing waste of the sulfuric acid electrolyte is avoided, and meanwhile, when the side edge of the aluminum alloy plate touches the extrusion buffer rod 131, the back-and-forth swinging of the aluminum alloy plate can be assisted, the force used in the return stroke of the aluminum alloy plate is reduced, the output power of the motor 21 is reduced, the loss of the motor 21 is reduced, and the; meanwhile, the sulfuric acid electrolyte impacts the baffle 13, and when the sulfuric acid electrolyte flows back, the impact force on the aluminum alloy plate can be increased, so that a natural oxide film on the aluminum alloy plate is easier to clean by the sulfuric acid electrolyte; when the aluminum alloy plate swings along with the bearing plate 23, the side edge of the aluminum alloy plate extrudes the buffer rod 131, then the buffer rod 131 pushes the push plate 32, then the push plate 32 pushes the sealing plate 313, the air inlet 311 is blocked, then the gas in the shell 31 is blown into the sulfuric acid electrolyte in the electrolytic cell 1 through the first pipeline 33, so that the sulfuric acid electrolyte at the inner corner of the electrolytic cell 1 is stirred and mixed, and the ion distribution of the sulfuric acid electrolyte is more uniform; when loading board 23 swings, drive the swing of V-arrangement board 235, when the most advanced of V-arrangement board 235 is close to 1 lateral wall of electrolytic bath, the side extrusion buffer lever 131 of aluminum alloy plate, then buffer lever 131 promotes push pedal 32 with the internal gas impact of casing 31 in 1 interior corner department of electrolytic bath, make sulphuric acid electrolyte drum gas and stir, when 1 lateral wall of electrolytic bath is kept away from gradually to V-arrangement board 235, the sulphuric acid electrolyte that the open end of V-arrangement board 235 bloated with corner department promotes electrolytic bath 1's middle part, make the ionic distribution in the sulphuric acid electrolyte more even, simultaneously the character design of V-arrangement board 235, also can reduce the resistance of sulphuric acid electrolyte to loading board 23, used power when reducing the aluminum alloy plate return stroke, reduce motor 21 output simultaneously, reduce the loss to motor 21, extension motor 21's life.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An aluminum alloy casting process, which is characterized in that: the process comprises the following steps:
s1: charging and melting, wherein during charging, relatively small blocks are firstly charged and slide into the thin slice waste, then aluminum ingots and relatively large blocks are charged in the middle, and finally intermediate alloy materials are charged; and then heating after charging the furnace burden, wherein the raw material is changed from a solid state to a liquid state, when the furnace burden is softened and collapses, a layer of powdery flux is spread on the surface of the metal to cover the surface of the metal, and the flux is Kcl: NaCl as 1: 1 mixed powder;
s2: stirring the melt, wherein the attention is paid to prevent the melt from overheating in the melting process, the temperature of a hearth during melting of a melting furnace is up to 1200 ℃, and local overheating is easily generated at the high temperature, so that after the furnace burden is melted, the melt is properly stirred to ensure that the temperature of each part in a melting pool is uniform, the melting is accelerated, and a large amount of oxidation slag floating on the surface of the melt is removed while stirring;
s3: refining and discharging, namely after the melt is subjected to gas refining treatment and surface scum is removed, when the temperature is proper, infusing the metal melt into a standing furnace, condensing the metal melt into blocks so as to prepare for casting, then sequentially performing alkali washing and acid washing, and finally performing electrolysis by an electrolysis device to form a layer of oxide film on the outer surface of the aluminum alloy plate so as to protect the aluminum alloy plate;
wherein the electrolysis apparatus described in the above S3 comprises an electrolytic cell (1); the electrolytic cell (1) is internally provided with sulfuric acid electrolyte, and the electrolytic cell (1) is internally provided with a swinging unit (2); the swing unit (2) comprises a motor (21), a sliding rail (22) and a bearing plate (23); the motor (21) is fixedly connected to the side wall of the electrolytic cell (1) through a screw, an output shaft of the motor (21) penetrates through the side wall of the electrolytic cell (1) and extends into the electrolytic cell (1), a rotating disc (211) is arranged at the end part of the output shaft of the motor (21), the eccentric position of the end face of the rotating disc (211) is hinged to one end of a connecting rod (212), and the other end of the connecting rod (212) is hinged to a first rod (213); the number of the first rods (213) is two, two ends of each first rod (213) are embedded in sliding rails (22) on the side wall of the electrolytic cell (1), and a bearing plate (23) is hinged between the two first rods (213); a positive terminal plate (11) and a negative terminal plate (12) are inserted into the side wall of the electrolytic cell (1); the anode wiring board (11) penetrates through the side wall of the electrolytic cell (1) and is fixedly connected to the sliding rail (22), and the cathode wiring board (12) is arranged below the anode wiring board (11); the negative electrode wiring board (12) penetrates through the side wall of the electrolytic cell (1) and extends into sulfuric acid electrolyte; through the cooperation between the electrolytic cell (1) and the swing unit (2), the formation of an oxide film on the outer surface of the aluminum alloy plate is realized.
2. An aluminum alloy casting process according to claim 1, wherein: the upper plate surface of the bearing plate (23) is provided with a buffer plate (231); four corners of the lower plate surface of the buffer plate (231) are provided with a first spring (232), the first spring (232) is connected between the bearing plate (23) and the buffer plate (231), and in an initial state, the buffer plate (231) is higher than the liquid level of sulfuric acid electrolyte; the sulfuric acid electrolyte is prevented from being splashed out of the electrolytic cell (1) in the process of putting the aluminum alloy plate into the electrolytic cell (1) through the buffer plate (231) and the first spring (232).
3. An aluminum alloy casting process according to claim 2, wherein: the upper plate surface of the bearing plate (23) is symmetrically provided with press buttons (233); the pressing buckle (233) is arranged on the bearing plate (23) close to the sliding rail (22), the pressing buckle (233) is U-shaped, one corner of the pressing buckle (233) is hinged to the bearing plate (23) through a fixing block, and one end of the pressing buckle (233) is connected to the lower plate surface of the buffer plate (231) through a steel wire rope (234); through the cooperation among buffer plate (231), push button (233) and wire rope (234), realize the fixed to the aluminum alloy plate.
4. An aluminum alloy casting process according to claim 1, wherein: baffles (13) are symmetrically arranged on the side wall of the electrolytic cell (1); the baffle (13) is fixedly connected at a position three fourths away from the bottom of the electrolytic cell (1), and a buffer rod (131) is arranged on the lower plate surface of the baffle (13); a second spring (132) is arranged between the lower end of the buffer rod (131) and the lower plate surface of the baffle plate (13); through the cooperation between baffle (13), buffer beam (131) and No. two spring (132), realize the swing buffering to loading board (23).
5. An aluminum alloy casting process according to claim 4, wherein: an air blowing unit (3) is arranged on the upper plate surface of the baffle (13); the air blowing unit (3) comprises a shell (31), a push plate (32) and a first pipeline (33); the shell (31) is fixedly connected to the upper plate surface of the baffle plate (13), the side wall of the shell (31) is provided with an air inlet (311) and an air outlet (312), the inner side of the air inlet (311) is hinged with a sealing plate (313), the air outlet (312) is connected with one end of a first pipeline (33), the other end of the first pipeline (33) penetrates through the baffle plate (13) and extends into the bottom of the electrolytic cell (1), a push plate (32) is arranged inside the shell (31), and the lower plate surface of the push plate (32) is fixedly connected with the upper end of the buffer rod (131); the air-blowing agitation of the material at the bottom of the electrolytic cell (1) is realized through the air-blowing unit (3).
6. An aluminum alloy casting process according to claim 1, wherein: a plurality of V-shaped plates (235) are symmetrically arranged on the lower plate surface of the bearing plate (23), and the tips of the V-shaped plates (235) are close to the side wall of the electrolytic cell (1); the materials in the electrolytic cell (1) are fished through the V-shaped plate (235).
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| JPS6022080A (en) * | 1983-07-15 | 1985-02-04 | Taiho Kogyo Co Ltd | Swash plate type compressor |
| CN107326420A (en) * | 2017-07-18 | 2017-11-07 | 浙江富丽华铝业有限公司 | A kind of liftable pendulum-type aluminium section bar aoxidizes hanger |
| CN107502766A (en) * | 2017-07-21 | 2017-12-22 | 云南三元德隆铝业有限公司 | A kind of production method of heat-tinting electrophoretic coating aluminium alloy extrusions |
| CN108315794A (en) * | 2018-05-11 | 2018-07-24 | 王康 | A kind of almag anodized surface processing equipment |
| CN210826406U (en) * | 2019-07-11 | 2020-06-23 | 天津市津川精密电子有限公司 | Energy-saving and environment-friendly anodic oxidation device |
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2020
- 2020-05-06 CN CN202010374597.1A patent/CN111455201B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6022080A (en) * | 1983-07-15 | 1985-02-04 | Taiho Kogyo Co Ltd | Swash plate type compressor |
| CN107326420A (en) * | 2017-07-18 | 2017-11-07 | 浙江富丽华铝业有限公司 | A kind of liftable pendulum-type aluminium section bar aoxidizes hanger |
| CN107502766A (en) * | 2017-07-21 | 2017-12-22 | 云南三元德隆铝业有限公司 | A kind of production method of heat-tinting electrophoretic coating aluminium alloy extrusions |
| CN108315794A (en) * | 2018-05-11 | 2018-07-24 | 王康 | A kind of almag anodized surface processing equipment |
| CN210826406U (en) * | 2019-07-11 | 2020-06-23 | 天津市津川精密电子有限公司 | Energy-saving and environment-friendly anodic oxidation device |
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