CN114865237A - Composite pole post forming process - Google Patents
Composite pole post forming process Download PDFInfo
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- CN114865237A CN114865237A CN202210516076.4A CN202210516076A CN114865237A CN 114865237 A CN114865237 A CN 114865237A CN 202210516076 A CN202210516076 A CN 202210516076A CN 114865237 A CN114865237 A CN 114865237A
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- material block
- pole
- pole material
- composite
- welding
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- 239000002131 composite material Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 199
- 238000003466 welding Methods 0.000 claims abstract description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Arc Welding In General (AREA)
Abstract
The composite pole forming process disclosed by the invention is used for respectively stamping different plates to form pole material blocks, and combining the pole material blocks in an initial composite pole in an assembling, preheating and welding mode. According to the invention, two materials in the composite pole are respectively and independently taken to obtain two material blocks made of pure materials, and then the first material block and the second material block are processed and welded to form the pole of the composite material; according to the invention, the composite pole is produced and manufactured by the mode of firstly independently cutting the plate to obtain the material block and then assembling and welding the combined material block, in the process of stamping the raw material plate, the single plate raw material is easy to form, the required pier pressing pressure is reduced, and compared with the composite plate raw material, the single plate raw material is convenient to control in the material feeding direction, the die explosion condition is lower, the yield is high, the subsequent welding treatment cost is low, and the production and manufacturing are convenient.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a composite pole forming process.
Background
The composite pole is an electrode conductor which is applied to a battery and is electrically connected with an external circuit, the existing composite pole is mostly formed by combining copper and aluminum materials, the production mode of the copper and aluminum composite pole is mostly to utilize an integrally formed copper and aluminum composite raw material plate, the copper and aluminum conducting plate is obtained after stamping, the required heading pressure is higher in the forming process of the provided raw material plate, and the plate quality is high and the material moving direction is difficult to control in the process of stamping to obtain the copper and aluminum conducting plate; the single-side material feeding is excessive and the die is easy to explode, so that the material consumption of raw materials needs to be increased in order to ensure the yield, the cost is high, more waste materials are easily generated, and the resources are wasted.
Disclosure of Invention
In order to solve the problems, the invention provides a composite pole forming process.
The invention is realized by the following technical scheme:
a composite pole forming process comprises the following steps:
s100, respectively punching a first plate and a second plate to obtain a first pole material block and a second pole material block;
s200, assembling, heating and welding the first pole material block and the second pole material block to form an initial composite pole;
and S300, punching the initial composite pole to a preset shape to form a composite pole finished product.
Further, the step S200 includes, before:
s110, cleaning the first pole material block and the second pole material block, and combining the cleaned first pole material block and the second pole material block.
Further, the step S110 specifically includes:
s111, soaking the first pole material block and the second pole material block into an alkali solution;
s112, hanging the first pole material block and the second pole material block, spraying an alkali solution on the surfaces of the first pole material block and the second pole material block, standing, and wiping the first pole material block and the second pole material block.
Further, the step S110 specifically includes:
s113, soaking and washing the first pole material block and the second pole material block by using a treating agent.
Further, the step S200 specifically includes:
s201, placing the first pole material block and the second pole material block in a closed space;
s202, injecting nitrogen into the closed space to a preset value, and assembling the first pole material block and the second pole material block;
s203, heating the first pole material block and the second pole material block to a preheating temperature;
s204, welding the first pole material block and the second pole material block;
and S205, after welding is finished, cooling to normal temperature to form an initial composite pole.
Further, the step S202 specifically includes: and injecting the nitrogen to ensure that the oxygen content is kept less than 100ppm in the processes of assembly, preheating, welding and cooling.
Further, step S203 specifically includes: the welding pressure range for welding the first pole material block and the second pole material block is 0.3-10 MPa, the welding time range is 0.2-40 seconds, and the welding temperature range is 450-650 degrees.
Further, the step S300 specifically includes:
s301, punching the welding edge of the initial composite pole;
s302, passivating the punched initial composite pole to form a passivation layer on the surface of the initial composite pole;
and S303, cleaning the initial composite pole and drying to form a composite pole finished product.
Furthermore, the first pole material block and the second pole material block are both provided with mounting planes, and the first pole material block is provided with a fixing column and a plurality of fixing bulges arranged on one side of the fixing column; the second pole column material block is provided with a positioning groove and a fixing groove;
the fixing column is inserted into the positioning groove, so that the first pole material block is installed in the second pole material block; the mounting plane of the first pole material block is attached to the mounting plane of the second pole material block;
the fixing protrusions and the fixing grooves are arc-shaped, and the first pole material block is rotated to enable the fixing protrusions to be inserted into and filled in the fixing grooves.
Further, the first pole material block is provided with a contact surface, the side edges of the first pole material block and the second pole material block are provided with fixed openings, and the composite pole finished product is electrically connected with an external circuit through the contact surface of the first pole material block;
when the fixing protrusion is accommodated in the fixing groove, the positions of the fixing openings of the first pole material block and the second pole material block correspond, and the composite pole finished product is externally installed and fixed through the fixing openings.
The invention has the beneficial effects that:
according to the invention, two materials in the composite pole are respectively and independently taken to obtain two material blocks made of pure materials, and then the first material block and the second material block are processed and welded to form the pole of the composite material;
according to the invention, the composite pole is produced and manufactured by independently cutting the plates to obtain the material blocks and then assembling and welding the combined material blocks, in the process of stamping the raw material plates, the single plate raw material is easy to form, the required pier pressing pressure is reduced, compared with the composite plate raw material, the single plate raw material has the advantages that the material feeding direction is convenient to control, the mould explosion condition is cultivated, the yield is high, the subsequent welding treatment cost is low, and the production and manufacturing are convenient;
according to the invention, the preheating is carried out before the welding of the first pole material block and the second pole material block, so that the body temperature of the first pole material block and the second pole material block is increased in advance, and the welding operation of the initial composite pole is facilitated.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
fig. 2 is an exploded view of the composite post product of the present invention;
fig. 3 is a schematic perspective view of another angle of fig. 2.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a composite pole forming process includes the following steps:
s100, respectively stamping a first plate and a second plate to obtain a first pole material block 1 and a second pole material block 2;
s200, assembling, heating and welding the first pole material block 1 and the second pole material block 2 to form an initial composite pole;
and S300, punching the initial composite pole to a preset shape to form a composite pole finished product.
In the above embodiment, the two materials in the composite pole are respectively and independently obtained to obtain two material blocks made of pure materials, and then the first pole material block 1 and the second pole material block 2 are processed and welded to form the pole of the composite material.
According to the invention, the composite pole is produced and manufactured in a mode of firstly independently cutting the plates to obtain the material blocks and then assembling and welding the material blocks, during the process of stamping raw material plates, the single plate raw material is easy to form, the required pier pressing pressure is reduced, compared with the composite plate raw material, the single plate raw material is convenient to control the material feeding direction, the die explosion condition is cultivated, the yield is high, the subsequent welding treatment cost is low, and the production and manufacturing are convenient.
According to the invention, the first pole material block 1 and the second pole material block 2 are preheated before being welded, so that the body temperatures of the first pole material block 1 and the second pole material block 2 are increased in advance, and the welding operation of the initial composite pole is facilitated.
The step S200 comprises:
s110, cleaning the first pole material block 1 and the second pole material block 2, and combining the cleaned first pole material block 1 and the cleaned second pole material block 2.
The step S110 specifically includes:
s111, soaking the first pole material block 1 and the second pole material block 2 into an alkali solvent;
s112, hanging the first pole material block 1 and the second pole material block 2, spraying the alkali solvent on the surfaces of the first pole material block 1 and the second pole material block 2, standing, and wiping the first pole material block 1 and the second pole material block 2.
When the production preparation first utmost point post material piece 1 and second utmost point post material piece 2, the surface of metalwork can be because of the circumstances such as mound is pressed or raw and other materials are anticorrosive, and the surface covers there is the oil film, step S211 and S212 are used for respectively with the oil film on first utmost point post material piece 1 and second utmost point post material piece 2 surface is got rid of to be convenient for the installation of first utmost point post material piece 1 and second utmost point post material piece 2 to merge and close and subsequent welding operation, the oil removal agent can be alkaline solvent, surfactant active etc. if: sodium hydroxide, sodium carbonate, sodium tripolyphosphate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene ether and the like.
The step S110 specifically includes:
s113, the first pole material block 1 and the second pole material block 2 are soaked and washed by a treating agent.
In the present embodiment, the purpose of the treating agent immersion cleaning is to remove rust and a metal oxide layer on the surfaces of the first pole piece block 1 and the second pole piece block 2, the metal reacts with air to generate rust when being placed in the air, and the performance of the material is affected, meanwhile, in order to prevent the metal rust from entering the inside of the metal material, the metal outer layer is usually provided with a passivation layer, namely a dense oxide of the metal, so as to reduce the influence of the rust on the inside of the metal. Before the first pole material block 1 and the second pole material block 2 are installed, rust and a passivation layer need to be treated, rust and metal oxides are removed in a treating agent immersion cleaning mode, the surface of pure metal is exposed, and then subsequent installation and welding operation is carried out.
The step S200 specifically includes:
s201, placing the first pole material block 1 and the second pole material block 2 in a closed space;
s202, injecting nitrogen into the closed space to a preset value, and assembling the first pole material block 1 and the second pole material block 2;
s203, heating the first pole material block 1 and the second pole material block 2 to a preheating temperature;
s204, welding the first pole material block 1 and the second pole material block 2;
and S205, after welding, cooling to normal temperature to form an initial composite pole.
In step S200 of the present invention, since the preheating and welding operations both raise the temperature of the metal, the metal is easily combined with oxygen in the air to generate metal oxide, which affects the subsequent welding operation, and in order to avoid oxidation of the metal during the heating and welding processes, the preheating and welding operations of the present invention are both arranged in an air-isolated enclosed space, and nitrogen is injected into the enclosed space, so as to prevent corrosion and metal oxidation of the welding environment gas.
In step S203 of the present invention, the preheating is performed to increase the body temperature of the first pole material block 1 and the second pole material block 2, so that the first pole material block 1 and the second pole material block 2 are heated rapidly during the subsequent welding operation, thereby reducing the welding difficulty and the welding time, improving the welding operation efficiency, and reducing the operation cost of the welding operation.
In a preferred embodiment of the present invention, the step S202 specifically includes: and injecting the nitrogen to ensure that the oxygen content in the closed space is less than 100ppm, and keeping the oxygen content less than 100ppm in the processes of assembly, preheating, welding and cooling, so that the stable combination and fixation of the first pole material block 1 and the second pole material block 2 can be effectively ensured.
In a specific embodiment of the present invention, the step S203 specifically includes: the welding pressure range for welding the first pole material block 1 and the second pole material block 2 is 0.3-10 MPa, the welding time range is 0.2-40 seconds, and the welding temperature range is 350-650 ℃.
The step S300 specifically includes:
s301, punching the welding edge of the initial composite pole;
s302, passivating the punched initial composite pole to form a passivation layer on the surface of the initial composite pole;
and S303, cleaning the initial composite pole and drying to form a composite pole finished product.
After welding, welding marks appear on the initial composite pole at the junction of the original first pole material block 1 and the original second pole material block 2, and the surface of the initial composite pole is uneven, so that after welding is finished, the initial composite pole is firstly punched, welding surplus materials on the surface are punched, and further, the metal part of the initial composite pole can be cut until the initial composite pole is cut to the required preset shape. After cutting, a compact metal oxide is formed on the surface of the initial composite pole in an oxidation corrosion mode to form a passivation layer, so that the problem that when the electrode is subsequently applied, the metal is corroded by the environment or electrochemical corrosion and the service life is short is solved.
Referring to fig. 2 and 3, the first pole material block 1 and the second pole material block 2 are both provided with mounting planes, and the first pole material block 1 is provided with a fixing column 11 and a plurality of fixing protrusions 12 arranged on one side of the fixing column 11; the second pole material block 2 is provided with a positioning groove 21 and a fixing groove 22.
In step S200, the fixing column 11 is inserted into the positioning groove 21, so that the first pole material block 1 is installed in the second pole material block 2, and the first pole material block 1 and the second pole material block 2 are mutually positioned; preferably, the cross-sections of the fixing column 11 and the positioning groove 21 are circular, so that the first pole material block 1 can rotate relative to the second pole material block 2. The mounting plane of the first pole material block 1 is attached to the mounting plane of the second pole material block 2, so that a gap between the first pole material block 1 and the second pole material block 2 is avoided. The fixing protrusion 12 and the fixing groove 22 are both arc-shaped, and the first pole material block 1 is rotated to insert and fill the fixing protrusion 12 into the fixing groove 22.
The first pole material block 1 is firstly positioned relative to the second pole material block 2 through the fixing column 11, and after the positioning is finished, the first pole material block 1 is rotated, so that the fixing protrusion 12 is completely accommodated in the fixing groove 22, and the fixing groove 22 is filled. According to the invention, the first pole material block 1 and the second pole material block 2 are firstly positioned and then installed, so that the installation mode between the first pole material block 1 and the second pole material block 2 is simplified, and the operation of operators is facilitated.
The first pole material block 1 is provided with a contact surface 13, the side edges of the first pole material block 1 and the second pole material block 2 are provided with fixed notches 23, and the composite pole finished product passes through the contact surface 13 of the first pole material block 1 and is electrically connected with an external circuit.
When the fixing protrusion 12 is accommodated in the fixing groove 22, the positions of the fixing notches 23 of the first pole material block 1 and the second pole material block 2 correspond to each other, and the composite pole finished product is externally installed and fixed through the fixing notches 23.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The composite pole forming process is characterized by comprising the following steps of:
s100, respectively punching a first plate and a second plate to obtain a first pole material block and a second pole material block;
s200, assembling, heating and welding the first pole material block and the second pole material block to form an initial composite pole;
and S300, punching the initial composite pole to a preset shape to form a composite pole finished product.
2. The composite pole post forming process according to claim 1, wherein the step S200 is preceded by:
s110, cleaning the first pole material block and the second pole material block, and combining the cleaned first pole material block and the second pole material block.
3. The composite pole forming process according to claim 2, wherein the step S110 specifically comprises:
s111, soaking the first pole material block and the second pole material block into an alkali solution;
s112, hanging the first pole material block and the second pole material block, spraying an alkali solution on the surfaces of the first pole material block and the second pole material block, standing, and wiping the first pole material block and the second pole material block.
4. The composite pole forming process according to claim 2, wherein the step S110 specifically comprises:
s113, soaking and washing the first pole material block and the second pole material block by using a treating agent.
5. The composite pole forming process according to claim 1, wherein the step S200 specifically comprises:
s201, placing the first pole material block and the second pole material block in a closed space;
s202, injecting nitrogen into the closed space to a preset value, and assembling the first pole material block and the second pole material block;
s203, heating the first pole material block and the second pole material block to a preheating temperature;
s204, welding the first pole material block and the second pole material block;
and S205, after welding, cooling to normal temperature to form an initial composite pole.
6. The composite pole forming process according to claim 5, wherein the step S202 specifically comprises: and injecting the nitrogen to ensure that the oxygen content is kept less than 100ppm in the processes of assembly, preheating, welding and cooling.
7. The composite pole post forming process according to claim 5, wherein the step S203 specifically comprises: the welding pressure range for welding the first pole material block and the second pole material block is 0.3-10 MPa, the welding time range is 0.2-40 seconds, and the welding temperature range is 350-650 ℃.
8. The composite pole forming process according to claim 1, wherein the step S300 specifically includes:
s301, punching the welding edge of the initial composite pole;
s302, passivating the punched initial composite pole to form a passivation layer on the surface of the initial composite pole;
and S303, cleaning the initial composite pole and drying to form a composite pole finished product.
9. The composite pole forming process according to claim 1, wherein the first pole material block and the second pole material block are both provided with mounting planes, and the first pole material block is provided with a fixing column and a plurality of fixing protrusions arranged on one side of the fixing column; the second pole column material block is provided with a positioning groove and a fixing groove;
the fixing column is inserted into the positioning groove, so that the first pole material block is installed in the second pole material block; the mounting plane of the first pole material block is attached to the mounting plane of the second pole material block;
the fixing protrusions and the fixing grooves are arc-shaped, and the first pole material block is rotated to enable the fixing protrusions to be inserted into and filled in the fixing grooves.
10. The composite pole forming process according to claim 9, wherein the first pole material block is provided with a contact surface, the side edges of the first pole material block and the second pole material block are provided with fixed notches, and the composite pole finished product is electrically connected with an external circuit through the contact surface of the first pole material block;
when the fixing protrusion is accommodated in the fixing groove, the positions of the fixing openings of the first pole material block and the second pole material block correspond, and the composite pole finished product is externally installed and fixed through the fixing openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516076.4A CN114865237B (en) | 2022-05-12 | 2022-05-12 | Composite pole forming process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516076.4A CN114865237B (en) | 2022-05-12 | 2022-05-12 | Composite pole forming process |
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| CN114865237A true CN114865237A (en) | 2022-08-05 |
| CN114865237B CN114865237B (en) | 2024-02-13 |
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