CN115966854A - Forming method of composite pole - Google Patents
Forming method of composite pole Download PDFInfo
- Publication number
- CN115966854A CN115966854A CN202310065208.0A CN202310065208A CN115966854A CN 115966854 A CN115966854 A CN 115966854A CN 202310065208 A CN202310065208 A CN 202310065208A CN 115966854 A CN115966854 A CN 115966854A
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- Prior art keywords
- ring
- copper
- aluminum
- flanging
- plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 114
- 229910052802 copper Inorganic materials 0.000 claims abstract description 114
- 239000010949 copper Substances 0.000 claims abstract description 114
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 101
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 101
- 230000002093 peripheral effect Effects 0.000 claims abstract description 48
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of poles, and discloses a forming method of a composite pole, which provides a composite structure, wherein the composite structure comprises an aluminum plate and a copper plate which are arranged up and down, the periphery of the composite structure is subjected to pier pressing in the up-down direction, a convex aluminum middle column is formed in the middle of the aluminum plate, and a copper middle plate is formed in the middle of the copper plate; an aluminum peripheral ring is formed on the periphery of the aluminum plate, a copper peripheral ring is formed on the periphery of the copper plate, the copper peripheral ring is positioned at the bottom of the aluminum peripheral ring, and an expansion ring is formed between the aluminum peripheral ring and the copper peripheral ring; the expansion ring comprises a fixing part and a flanging part, the flanging part is bent discontinuously for multiple times, and the flanging part and the fixing part form a pressing ring after the flanging part and the fixing part are vertically overlapped; pressing and shaping the pressing ring to form a composite pole; like this, can form and connect stable compound utmost point post structure, its structural strength is more firm, avoids at the in-process that uses, and the bad phenomenon that the pulling crack pine takes off appears in copper panel and aluminium sheet faying face.
Description
Technical Field
The invention relates to the technical field of poles, in particular to a forming method of a composite pole.
Background
The battery comprises a top cover plate, a shell, an electric core, a positive pole, a negative pole and the like, wherein the pole is used as one of important composition structures of the battery, the connection effect of the pole is good or bad, the use effect and the service life of the battery are directly influenced, the pole is a component connected in the battery, one end of the pole is directly connected with a bus bar, and the other end of the pole is connected with an external conductor or is connected with one pole of an adjacent single battery in a battery pack.
The composite pole structure is generally formed by combining a copper plate and an aluminum material, and a mounting hole for mounting the pole is formed in the battery top cover plate, so that internal and external connection is realized.
In the prior art, the composite pole structure is formed by combining a copper plate and an aluminum plate, the copper plate and the aluminum plate are generally fixedly connected by friction welding, but the forming process is complex, and in the using process, the strength of the composite pole structure is low, and the phenomenon of copper-aluminum bonding surface tension cracking is easy to occur.
Disclosure of Invention
The invention aims to provide a method for forming a composite pole, and aims to solve the problems that the forming process of the composite pole is complex and the connection between copper and aluminum is unstable in the formed composite pole structure in the prior art.
The invention is realized in this way, the forming method of the composite pole comprises the following steps:
1) Providing a composite structure, wherein the composite structure comprises an aluminum plate and a copper plate which are arranged up and down, and the bottom of the aluminum plate is abutted and fixed on the top of the copper plate;
2) Performing upsetting on the periphery of the composite structure in the vertical direction, forming a convex aluminum middle column in the middle of the aluminum plate, forming a copper middle plate in the middle of the copper plate, and positioning the copper middle plate at the bottom of the aluminum middle column; an aluminum peripheral ring is formed on the periphery of the aluminum plate, a copper peripheral ring is formed on the periphery of the copper plate, the copper peripheral ring is positioned at the bottom of the aluminum peripheral ring, and an expansion ring is formed between the aluminum peripheral ring and the copper peripheral ring;
3) Pressing the expansion ring in the vertical direction to reduce the thickness of the aluminum peripheral ring and the copper peripheral ring;
4) The expansion ring comprises a fixing part and a flanging part along the direction deviating from the aluminum middle column, the flanging part is bent discontinuously for multiple times, and the flanging part and the fixing part form a pressing ring after the flanging part and the fixing part are vertically overlapped;
5) And pressing and shaping the pressing ring until the end part of the flanging part abuts against the periphery of the aluminum middle column to form the composite pole.
Optionally, in the step 3), after the expansion ring is subjected to vertical upsetting, the thickness of the copper peripheral ring is not greater than that of the copper intermediate plate.
Optionally, in the step 3), after the expansion ring is subjected to vertical upsetting, the thickness of the copper intermediate plate is greater than 1mm.
Optionally, in the step 3), after the expansion ring is subjected to vertical upsetting, the top of the copper intermediate plate protrudes upwards, and the top of the copper intermediate plate and the top of the copper peripheral ring are arranged in a vertically staggered manner; the top of the copper intermediate plate is lower than the top of the aluminum peripheral ring.
Optionally, in the step 3), after the expansion ring is subjected to upsetting in the vertical direction, the top of the copper intermediate plate and the top of the copper peripheral ring are arranged in a flush manner. Optionally, in the step 4), after the flanging part and the fixing part are arranged in an up-down overlapping manner, an up-down gap is formed between the bottom of the flanging part and the top of the fixing part.
Optionally, in the step 4), after the flanging part and the fixing part are arranged in an up-down overlapping manner, an outer circumferential gap is formed between an end part of the flanging part and the outer circumference of the aluminum central column; in the step 5), in the process of pressing and shaping the pressing ring, the end part of the flanging part extends towards the outer periphery gap until the end part of the flanging part abuts against the outer periphery of the aluminum middle column.
Optionally, in the step 4), the flanging part is sequentially subjected to multiple bending operations with respect to the fixing part, and in the multiple bending operations, a flanging angle of the flanging part is between 0 ° and 90 °; after the last bending operation, the included angle between the flanging part and the fixing part is 0 degree.
Optionally, the aluminum peripheral ring comprises an aluminum fixing ring and an aluminum flanging ring, and the copper peripheral ring comprises a copper fixing ring and a copper flanging ring; the aluminum fixing ring is overlapped on the copper fixing ring to form the fixing part; the aluminum flanging ring is overlapped on the copper flanging ring to form the flanging part;
in the step 4), when the flanging part is bent to form an included angle of 90 degrees with the fixing part, the copper flanging ring is extended, so that the end part of the copper flanging ring extends to the outer side of the aluminum flanging ring to form a copper extension ring, and the thickness of the copper extension ring is smaller than that of the copper fixing ring.
Optionally, in the step 4), after the flanging part is bent to form an included angle of 0 ° with the fixing part, an interval between the end part of the aluminum flanging ring and the aluminum protruding column is greater than an interval between the end part of the copper flanging ring and the aluminum protruding column;
optionally, in the step 5), the composite pole is subjected to pier pressing by using a mold, and a groove ring is formed on the periphery of the aluminum middle column; the groove ring is provided with a flat notch groove.
Compared with the prior art ， According to the forming method of the composite pole, the aluminum plate and the copper plate are pressed and blanked up and down to form the composite structure, the composite structure is subjected to repeated upsetting to form the expansion ring and the aluminum middle column, and the copper plate wraps the lower portion of the aluminum plate through upsetting and flanging to form the wrapping structure, so that the stably connected composite pole structure can be formed.
Drawings
FIG. 1 is a schematic sectional view of the composite structure in step 1) provided by the present invention;
FIG. 2 is a schematic sectional view of the formed structure provided by the present invention after step 2) is completed;
FIG. 3 is a schematic sectional view of a molding structure in the step 4) flow provided by the present invention;
FIG. 4 is a sectional view of the forming structure in the step 4) flow provided by the present invention;
FIG. 5 is a schematic sectional view of the forming structure in the flow of step 4) provided by the present invention;
FIG. 6 is a schematic sectional view of the formed structure provided by the present invention after step 4) is completed;
fig. 7 is a sectional schematic view of the composite pole structure in step 5) provided by the present invention;
fig. 8 is a sectional schematic view of the composite pole structure in step 5) provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-8, preferred embodiments of the present invention are shown.
The invention provides a method for molding a composite pole, which comprises the following steps:
1) Providing a composite structure, wherein the composite structure comprises an aluminum plate 100 and a copper plate 200 which are arranged up and down, and the bottom of the aluminum plate 100 is abutted and fixed on the top of the copper plate 200;
2) Performing pier pressing on the periphery of the composite structure in the vertical direction, forming a convex aluminum middle column 110 in the middle of the aluminum plate 100, forming a copper middle plate 201 in the middle of the copper plate 200, and positioning the copper middle plate 201 at the bottom of the aluminum middle column 110; an aluminum peripheral ring 301 is formed on the outer periphery of the aluminum plate material 100, a copper peripheral ring 302 is formed on the outer periphery of the copper plate material 200, the copper peripheral ring 302 is positioned at the bottom of the aluminum peripheral ring 301, and an expansion ring 300 is formed between the aluminum peripheral ring 301 and the copper peripheral ring 302;
3) Pressing the extension ring 300 vertically to reduce the thickness of the aluminum peripheral ring 301 and the copper peripheral ring 302;
4) The expansion ring 300 comprises a fixing part 400 and a flanging part 500 along the direction departing from the aluminum middle column 110, the flanging part 500 is discontinuously bent for multiple times, and the flanging part 500 and the fixing part 400 form a pressing ring 600 after the flanging part 500 and the fixing part 400 are vertically overlapped;
5) And carrying out press fit shaping on the pressing ring 600 until the end part of the flanging part 500 abuts against the periphery of the aluminum middle column 110 to form a composite pole.
According to the forming method of the composite pole, the aluminum plate 100 and the copper plate 200 are pressed and blanked up and down to form the composite structure, the composite structure is subjected to repeated heading to form the extension ring 300 and the aluminum middle column 110, and the copper plate 200 is subjected to heading and flanging to form a wrapping structure wrapping the lower part of the aluminum plate 100, so that the composite pole structure stable in connection can be formed, the structural strength is more stable, and the bad phenomenon that the joint surface of the copper plate 200 and the aluminum plate 100 is pulled, cracked and loosened in the using process is avoided.
Specifically, a punch press, a press machine or an oil press machine is used for performing up-down upsetting.
Referring to fig. 2, there is a molding structure of step 2), and there is a step ring 111 at the outer circumference of the top of the aluminum central pillar 110.
In step 3), after the expanding ring 300 is subjected to up-down direction upsetting, the thickness of the copper peripheral ring 302 is not greater than that of the copper intermediate plate. In this way, the bottom of the composite structure is thinned in order to allow easy turning with the mold.
Specifically, in the step 3), after the expansion ring 300 is subjected to vertical upsetting, the thickness of the copper intermediate plate is greater than 1mm. Thus, good conductivity is ensured.
Specifically, in step 3), after the expanding ring 300 is subjected to vertical upsetting, the top of the copper intermediate plate protrudes upwards, and the top of the copper intermediate plate and the top of the copper peripheral ring 302 are arranged in a vertically staggered manner; the expanding ring 300 is upset up and down with the top of the copper intermediate plate lower than the top of the aluminum peripheral ring 301. Like this, because expansion ring 300 presses the attenuation, and the bottom is the level and smooth form simultaneously, so the top of copper intermediate lamella is protruding upwards, and the structure is more compact, and the shaping structure is more firm.
In the present embodiment, in step 3), after the expanding ring 300 is vertically upset, the top of the copper intermediate plate and the top of the copper peripheral ring 302 are flush with each other. Thus, the top of the copper plate 200 is flat by uniform extrusion, the structure is more compact, and the structure is more stable after molding.
3-6, which is a structural diagram in the forming process of the step 4);
in step 4), after the flanging part 500 and the fixing part 400 are arranged in an up-down overlapping manner, an up-down gap is formed between the bottom of the flanging part 500 and the top of the fixing part 400. Therefore, in the subsequent process, a pressing and shaping space is reserved.
Referring to fig. 6, in step 4), after the flanging part 500 and the fixing part 400 are arranged in an up-and-down overlapping manner, an outer circumferential gap is formed between the end of the flanging part 500 and the outer circumference of the aluminum central column 110; referring to fig. 7, which is a schematic view of the forming structure in step 5), during the pressing and shaping process of the pressing ring 600, the end of the flanging part 500 extends toward the outer periphery gap until the end of the flanging part 500 abuts against the outer periphery of the aluminum middle column 110. Like this, in step 4), reserved periphery clearance provides the subsequent handling, to the integer space that the integer pressfitting of butt clamping ring 600 was reserved to the tip that makes turn-ups portion 500 butt the periphery of aluminium middle part post 110 through the punching press, makes overall structure compacter, becomes more firm.
In step 4), the flanging part 500 is sequentially bent for multiple times relative to the fixing part 400, and the flanging angle of the flanging part 500 is between 0 and 90 degrees in the multiple bending operations; after the last bending operation, the angle between the burring part 500 and the fixing part 400 is 0 °.
In this way, referring to fig. 3 to 6, in order to form a structural view in a multi-bending operation, after the burring 500 is bent once or a plurality of times to form fig. 3 and an angle between the burring 500 and the fixing portion 400 is set to a range of about 90 °, the burring 500 is bent a plurality of times, referring to fig. 5, the angle between the burring 500 and the fixing portion 400 is set to a range of 30 ° to 60 °, whether the outer end surface of the burring 500 is flat is observed, and if the burring 500 is continuously bent in a flat manner, referring to fig. 6, the burring 500 and the fixing portion 400 is set to an angle of 0 ° to form the pressing ring 600.
In a direction away from the aluminum central column 110, the aluminum peripheral ring 301 includes an aluminum retaining ring 401 and an aluminum flanging ring 501, and the copper peripheral ring 302 includes a copper retaining ring 402 and a copper flanging ring 502; an aluminum fixing ring 401 is superimposed on a copper fixing ring 402 to form a fixing portion 400; an aluminum flanging ring 501 is superimposed over a copper flanging ring 502 to form the flanging portion 500.
As shown with reference to fig. 3 and 4; in step 4), after the flanging part 500 is bent to form an included angle of 90 ° with the fixing part 400, the copper flanging ring 502 is extended, so that the end of the copper flanging ring 502 extends to the outer side of the aluminum flanging ring 501 to form a copper extension ring 510, and the thickness of the copper extension ring 510 is smaller than that of the copper fixing ring 402. Thus, since the copper flanging ring 502 is located at the outer side in the flanging process, the copper flanging ring 502 needs to be properly punched and thinned to extend outwards, and then is continuously turned downwards, so that the end of the pressing ring 600 formed by the copper flanging ring is a preset end face, and a proper integration space is provided for pressing and shaping in the subsequent process.
In this embodiment, referring to fig. 6, in step 4), after the flanging part 500 is bent to form an angle of 0 ° with the fixing part 400, the interval between the end of the aluminum flanging ring 501 and the aluminum protruding column is greater than the interval between the end of the copper flanging ring 502 and the aluminum protruding column;
in this way, since the copper flanging ring 502 is located at the outer side compared with the aluminum flanging ring 501, in the subsequent process, the outward extending length of the end of the copper flanging ring 502 is greater than the extending length of the aluminum flanging ring 501 in the pressing and shaping, so that the arrangement is favorable for providing an appropriate size of integration space for the pressing and shaping in the required process, as shown in fig. 7; after the pressing and shaping are completed, the end of the flanging part 500 abuts against the periphery of the aluminum middle column 110, so that the structure is more compact, and the whole structure is more stable.
In the present embodiment, refer to fig. 8; in the step 5), the composite pole is subjected to pier pressing by using a mold, and a groove ring 700 is formed on the periphery of the aluminum middle column 110; the notch ring 700 is provided with a flat notch groove 701.
Therefore, after the formed composite pole is assembled on the battery top cover, the groove ring 700 and the gap groove 701 are filled with the glue injection ring formed by glue injection, and the torsion resistance of the composite pole is effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The forming method of the composite pole is characterized by comprising the following forming steps:
1) Providing a composite structure, wherein the composite structure comprises an aluminum plate and a copper plate which are arranged up and down, and the bottom of the aluminum plate is abutted and fixed on the top of the copper plate;
2) Carrying out vertical heading on the periphery of the composite structure, wherein a convex aluminum middle column is formed in the middle of the aluminum plate, a copper middle plate is formed in the middle of the copper plate, and the copper middle plate is positioned at the bottom of the aluminum middle column; an aluminum peripheral ring is formed on the periphery of the aluminum plate, a copper peripheral ring is formed on the periphery of the copper plate, the copper peripheral ring is positioned at the bottom of the aluminum peripheral ring, and an expansion ring is formed between the aluminum peripheral ring and the copper peripheral ring;
3) Pressing the expansion ring in the vertical direction to reduce the thickness of the aluminum peripheral ring and the copper peripheral ring;
4) The expansion ring comprises a fixing part and a flanging part along the direction deviating from the aluminum middle column, the flanging part is bent discontinuously for multiple times, and the flanging part and the fixing part form a pressing ring after the flanging part and the fixing part are vertically overlapped;
5) And pressing and shaping the pressing ring until the end part of the flanging part abuts against the periphery of the aluminum middle column to form the composite pole.
2. The molding method of a composite post according to claim 1, wherein in the step 3), after the expansion ring is pressed vertically, the thickness of the copper outer circumferential ring is not greater than that of the copper intermediate plate.
3. The method for molding the composite pole according to claim 1, wherein in the step 3), after the expansion ring is vertically pressed, the thickness of the copper intermediate plate is greater than 1mm.
4. The molding method of a composite post according to claim 1, wherein in the step 3), after the expansion ring is pressed vertically, the top of the copper intermediate plate protrudes upward, and the top of the copper intermediate plate and the top of the copper peripheral ring are arranged in a vertically staggered manner; the top of the copper intermediate plate is lower than the top of the aluminum peripheral ring.
5. The method for molding a composite post according to claim 1, wherein in the step 3), after the expansion ring is vertically pressed, the top of the copper intermediate plate is flush with the top of the copper peripheral ring.
6. The molding method of a composite post according to claim 1, wherein in the step 4), after the flanging part and the fixing part are arranged in an up-down overlapping manner, an outer peripheral gap is formed between the end part of the flanging part and the outer periphery of the aluminum central pillar; in the step 5), in the process of pressing and shaping the pressing ring, the end part of the flanging part extends towards the outer periphery gap until the end part of the flanging part abuts against the outer periphery of the aluminum middle column.
7. The molding method of a composite pole according to claim 1, wherein in the step 4), the flanging part is sequentially bent for a plurality of times relative to the fixing part, and in the plurality of bending operations, the flanging angle of the flanging part is between 0 ° and 90 °; after the last bending operation, the included angle between the flanging part and the fixing part is 0 degree.
8. The composite post forming method according to claim 7, wherein the aluminum peripheral ring includes an aluminum fixing ring and an aluminum flanging ring, and the copper peripheral ring includes a copper fixing ring and a copper flanging ring, in a direction away from the aluminum central pillar; the aluminum fixing ring is overlapped on the copper fixing ring to form the fixing part; the aluminum flanging rings are overlapped on the copper flanging rings to form the flanging parts;
in the step 4), when the flanging part is bent to form an included angle of 90 degrees with the fixing part, the copper flanging ring is extended, so that the end part of the copper flanging ring extends to the outer side of the aluminum flanging ring to form a copper extension ring, and the thickness of the copper extension ring is smaller than that of the copper fixing ring.
9. The molding method of a composite pole column as claimed in claim 8, wherein in the step 4), when the flanging part is bent to form an included angle of 0 ° with the fixing part, the interval between the end of the aluminum flanging ring and the aluminum protrusion column is greater than the interval between the end of the copper flanging ring and the aluminum protrusion column.
10. The molding method of a composite post according to any one of claims 1 to 9, wherein in the step 5), the composite post is subjected to pier pressing by using a mold, and a groove ring is formed on the outer periphery of the aluminum middle column; the groove ring is provided with a flat notch groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310065208.0A CN115966854A (en) | 2023-01-15 | 2023-01-15 | Forming method of composite pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310065208.0A CN115966854A (en) | 2023-01-15 | 2023-01-15 | Forming method of composite pole |
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| Publication Number | Publication Date |
|---|---|
| CN115966854A true CN115966854A (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310065208.0A Pending CN115966854A (en) | 2023-01-15 | 2023-01-15 | Forming method of composite pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH679216A5 (en) * | 1989-07-10 | 1992-01-15 | Aaw Produktions Ag | Laminar plate layer joining method - bends metal base layer edge over towards additional adhering layer |
| JP2006004698A (en) * | 2004-06-16 | 2006-01-05 | Hitachi Maxell Ltd | Coin-shaped battery |
| JP2012195467A (en) * | 2011-03-17 | 2012-10-11 | Sansha Electric Mfg Co Ltd | Heat sink and manufacturing method of the same |
| CN109065825A (en) * | 2018-07-27 | 2018-12-21 | 深圳市瑞德丰精密制造有限公司 | The moulding process of Copper-Aluminum compound pole block |
| CN208578282U (en) * | 2018-07-31 | 2019-03-05 | 台州市宏晴建筑材料有限公司 | A kind of complex heat-preservation fluorine carbon aluminium Side fascia |
| CN109616607A (en) * | 2018-12-14 | 2019-04-12 | 深圳市瑞德丰精密制造有限公司 | A kind of forming method of Copper-Aluminum compound pole |
| CN214043929U (en) * | 2020-09-10 | 2021-08-24 | 武汉富航精密工业有限公司 | Structure of power battery copper-aluminum composite pole |
| CN113889717A (en) * | 2021-09-22 | 2022-01-04 | 深圳市科达利实业股份有限公司 | Processing method of copper-aluminum composite pole |
| CN217361852U (en) * | 2022-01-27 | 2022-09-02 | 上海兰钧新能源科技有限公司 | Improved copper-aluminum composite pole structure |
-
2023
- 2023-01-15 CN CN202310065208.0A patent/CN115966854A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH679216A5 (en) * | 1989-07-10 | 1992-01-15 | Aaw Produktions Ag | Laminar plate layer joining method - bends metal base layer edge over towards additional adhering layer |
| JP2006004698A (en) * | 2004-06-16 | 2006-01-05 | Hitachi Maxell Ltd | Coin-shaped battery |
| JP2012195467A (en) * | 2011-03-17 | 2012-10-11 | Sansha Electric Mfg Co Ltd | Heat sink and manufacturing method of the same |
| CN109065825A (en) * | 2018-07-27 | 2018-12-21 | 深圳市瑞德丰精密制造有限公司 | The moulding process of Copper-Aluminum compound pole block |
| CN208578282U (en) * | 2018-07-31 | 2019-03-05 | 台州市宏晴建筑材料有限公司 | A kind of complex heat-preservation fluorine carbon aluminium Side fascia |
| CN109616607A (en) * | 2018-12-14 | 2019-04-12 | 深圳市瑞德丰精密制造有限公司 | A kind of forming method of Copper-Aluminum compound pole |
| CN214043929U (en) * | 2020-09-10 | 2021-08-24 | 武汉富航精密工业有限公司 | Structure of power battery copper-aluminum composite pole |
| CN113889717A (en) * | 2021-09-22 | 2022-01-04 | 深圳市科达利实业股份有限公司 | Processing method of copper-aluminum composite pole |
| CN217361852U (en) * | 2022-01-27 | 2022-09-02 | 上海兰钧新能源科技有限公司 | Improved copper-aluminum composite pole structure |
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