CN114406027A - New energy automobile water-cooling board hot extrusion die for aluminium alloy - Google Patents
New energy automobile water-cooling board hot extrusion die for aluminium alloy Download PDFInfo
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- CN114406027A CN114406027A CN202210083941.0A CN202210083941A CN114406027A CN 114406027 A CN114406027 A CN 114406027A CN 202210083941 A CN202210083941 A CN 202210083941A CN 114406027 A CN114406027 A CN 114406027A
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- Prior art keywords
- die
- upper die
- new energy
- energy automobile
- hot extrusion
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- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000001192 hot extrusion Methods 0.000 title claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/04—Cooling or heating of press heads, dies or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a hot extrusion die for a new energy automobile water-cooling plate aluminum profile, which comprises an upper die and a lower die which are tightly matched with each other, wherein a hole is formed in the top of the upper die in a penetrating mode, and a flow distribution bridge is arranged inside the hole. According to the hot extrusion die for the aluminum section of the water-cooled plate of the new energy automobile, the surface at the edge of the feed hole and the surface outside the tool head are milled and sunk, the offset wall of the die core of the upper die is reduced, the stress on the section between the upper die and the lower die is uniform, the pressure of an aluminum flow is transferred to the welding chamber, the pressure of the upper die is reduced, the die core of the upper die is not easy to deflect when the aluminum flow is extruded, the flow blocking table can be used for distributing the impact of the aluminum flow on the die core of the upper die, the service strength of the upper die is indirectly improved, the bridge plate has a pulling force on the die core of the upper die, the offset of the die core in the extrusion process is reduced again, and the center distance of round holes is ensured to be equal, so that the hot extrusion die for the aluminum section of the water-cooled plate of the new energy automobile, which can prevent the die core from being extruded and is not easy to deflect and has long service life, is provided.
Description
Technical Field
The invention relates to the technical field of die processing, in particular to a hot extrusion die for a new energy automobile water-cooling plate aluminum profile.
Background
The new energy automobile is a technical principle formed by adopting an energy source except for conventional automobile fuel as a power source and integrating advanced technologies of energy control and drive control of the automobile, and has the advantages of new technology, new structure, high-efficiency heat management system, great significance for guaranteeing the performance of the power battery pack, and natural cooling, passive air cooling, active air cooling, water cooling and the like as heat treatment modes, and the maximum temperature difference between the battery pack and the monomer is guaranteed to be not more than 5 ℃. The introduction of water-cooling heat dissipation is used as a heat management mode of the power battery, the cooling efficiency can be effectively improved, the temperature uniformity of the battery module can be guaranteed, and a high-quality and high-standard aluminum section of the water-cooling plate of the new energy automobile is particularly in short supply in the market, so that great business opportunities are brought to a mold manufacturer.
However, in the production of the new energy automobile water-cooling plate, when the hot extrusion die is extruded, the upper die core is easy to deviate from the wall, the center distance of the circular hole is unequal, and the die core is small and easy to be extruded and broken, so that the whole die body is low in strength, short in service life and easy to scrap.
Therefore, it is necessary to invent a hot extrusion die for a new energy automobile water-cooling plate aluminum profile to solve the above problems.
Disclosure of Invention
The invention aims to provide a hot extrusion die for a new energy automobile water-cooling plate aluminum profile, which reduces the offset wall of a die core of an upper die by milling and sinking the surface at the edge of a feed hole and the surface outside a tool head, meanwhile, the stress on the section between the upper die and the lower die is uniform, the pressure of the aluminum flow is transferred to the welding chamber, the pressure of the upper die is reduced, the deflection of the die core of the upper die is ensured not to occur easily when the aluminum flow is extruded, and the flow resisting platform can bear the impact of the aluminum flow on the upper die core, indirectly improves the use strength of the upper die, the bridge plate has a pulling force for pulling the upper die core, so that the deflection of the upper die core in the extrusion process is reduced, the center distance of the circular holes is ensured to be equal, therefore, the new energy automobile water-cooling plate aluminum section hot extrusion die can prevent the upper die core from being extruded and broken, is not easy to deviate from the wall, and has long service life, so as to solve the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a hot extrusion die for aluminum profiles of water-cooling plates of new energy automobiles comprises an upper die and a lower die which are tightly matched with each other, wherein a hole is formed in the top of the upper die in a penetrating mode, a shunting bridge is arranged inside the hole and is divided into a plurality of feeding holes by the shunting bridge, the bottom of the shunting bridge is connected with a tool head, a bridge plate is connected to the surface, close to the lower die, of one side of the shunting bridge, and the bridge plate is arranged below the tool head;
the lower die comprises a die cavity, the bottom end of the tool head extends into the die cavity, a discharge hole communicated with the die cavity is formed in the surface of the bottom of the lower die, a welding chamber is formed in one side, close to the upper die, of the lower die, and flow blocking platforms are connected to the surfaces of the four sides, located at the inlet of the die cavity, of the lower die.
Preferably, the upper die and the lower die are both disc-shaped, and the upper die and the lower die are assembled through bolts and pins.
Preferably, the upper die and the lower die are both made of H13 die steel.
Preferably, the number of the feeding holes is not less than twelve, and the feeding holes are distributed in a left-right symmetrical mode relative to the upper die.
Preferably, the surface of the upper die positioned at the edge of each feeding hole is milled and sunk.
Preferably, the upper die is located on the outer side surface of the tool head and is milled and sunk.
Preferably, the feed hole is made by a heat treatment process.
Preferably, the discharge hole is arranged in a step shape, and the width of the outlet on one side far away from the upper die is larger than the width of the outlet on one side close to the upper die.
In the technical scheme, the invention provides the following technical effects and advantages:
compared with the prior art, the invention ensures that the section stress between the upper die and the lower die is uniform through milling and sinking the edges of the feeding holes and the outer surface of the tool head, ensures that the upper die core is not easy to deflect when extruding the aluminum flow, improves the welding force at the welding chamber of the lower die, simultaneously transfers the pressure of the aluminum flow to the welding chamber, thereby increasing the welding force of the lower die, simultaneously lightening the pressure of the upper die, reducing the eccentric wall of the upper die core, limiting the flow of the aluminum flow by the flow blocking platform, sharing the impact of the aluminum flow on the upper die core, indirectly improving the use strength of the upper die, ensuring the stability of the upper die core and the quality after the aluminum flow is formed, arranging the bridge plate below the tool head, ensuring that the flow dividing bridge has a dragging tension on the upper die core, reducing the deflection of the upper die core in the extruding process again, ensuring that the center distance is equal, and further improving the strength of the whole die body, the service life of the water cooling plate is prolonged, and the production and the manufacture of the water cooling plate of the new energy automobile are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper mold structure of the present invention;
FIG. 3 is a schematic view of an upper mold according to another aspect of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the lower mold structure of the present invention;
FIG. 6 is a schematic view of a lower mold according to another aspect of the present invention.
Description of reference numerals:
1 upper die, 2 lower die, 11 holes, 12 shunting bridges, 13 feed holes, 14 tool heads, 15 bridge plates, 21 cavities, 22 discharge holes, 23 welding chambers and 24 flow blocking tables.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a hot extrusion die for a new energy automobile water cooling plate aluminum profile, which comprises an upper die 1 and a lower die 2 which are tightly matched with each other, wherein the top of the upper die 1 is provided with a hole 11 in a penetrating manner, a shunt bridge 12 is arranged inside the hole 11, the hole 11 is divided into a plurality of feeding holes 13 by the shunt bridge 12, the bottom of the shunt bridge 12 is connected with a tool head 14, the surface of one side, close to the lower die 1, of the shunt bridge 12 is connected with a bridge plate 15, and the bridge plate 15 is arranged below the tool head 14;
the lower die 2 comprises a die cavity 21, the bottom end of the tool head 14 extends into the die cavity 21, a discharge hole 22 communicated with the die cavity 21 is formed in the bottom surface of the lower die 2, a welding chamber 23 is formed in one side, close to the upper die 1, of the lower die 2, and flow blocking platforms 24 are connected to the surfaces of the four sides, located at the inlet of the die cavity 21, of the lower die 2.
Further, in above-mentioned technical scheme, go up mould 1 and lower mould 2 and all set up to discoid, go up mould 1 and lower mould 2 and assemble through bolt and pin, be convenient for go up the use of mould 1 and lower mould 2.
Further, in the above technical scheme, the upper die 1 and the lower die 2 are both made of H13 die steel, so that the upper die 1 and the lower die 2 have high strength and long service life.
Furthermore, in the above technical scheme, the number of the feeding holes 13 is not less than twelve, and the feeding holes are distributed symmetrically about the upper die 1, so that the uniform feeding at each position inside the hole 11 is ensured, and the uniform stress of the flow distribution bridge 12 is ensured.
Further, in the above technical solution, the surface of the upper die 1 at the edge of each feeding hole 13 is milled and sunk.
Further, in the above technical solution, the upper die 1 is located on the outer side surface of the tool bit 14 and is milled and sunk.
Further, in the above technical solution, the feeding hole 13 is made by a heat treatment process.
Further, in the above technical solution, the discharge hole 22 is set to be stepped, and the width of the outlet on one side far away from the upper die 1 is greater than the width of the outlet on one side close to the upper die 1, so that the workpiece is extruded after being formed, and the integrity of the surface of the workpiece is ensured.
The implementation mode is as follows: when the aluminum flow splitter is used, aluminum flow enters the hole 11, the aluminum flow is divided into a plurality of strands by the flow splitting bridge 12 and flows to the feeding holes 13 respectively, the surface milling and sinking arrangement at the edge of each feeding hole 13 enables the aluminum flow to be split more reasonably, uniform feeding at each position inside the hole 11 is ensured, the stress of the flow splitting bridge 12 is uniform, the aluminum flow continues to flow to the bottom end of the tool head 14, the surface milling and sinking arrangement at the outer side of the tool head 14 enables the pressure at each position to be balanced and the feeding to be sufficient when the aluminum flow reaches the inner part of the lower die 2, meanwhile, the surface milling and sinking arrangement at the edge of the feeding hole 13 and the outlet milling and sinking arrangement at the outer side surface of the tool head 14 enable the section stress between the upper die 1 and the lower die 2 to be uniform, the die core of the upper die 1 is enabled not to deflect easily when the aluminum flow is extruded, the welding force at the welding chamber 23 of the lower die 2 is improved, the pressure of the aluminum flow is transferred to the welding chamber 23, and the pressure of the upper die 1 is reduced while the resultant force welding of the lower die 2 is increased, the mold core offset wall of the upper mold 1 is reduced, the flow blocking platform 24 can limit the flow of the aluminum flow, the aluminum flow impact on the mold core of the upper mold 1 is shared, the use strength of the upper mold 1 is indirectly improved, the aluminum flow is not easy to offset the wall when being extruded in the upper mold 1, the quality of the aluminum flow after being formed is ensured, meanwhile, the welding chamber 23 provides enough welding space for the aluminum flow, the aluminum flow has better surface quality when being formed, the bridge plate 15 is arranged below the tool head 14, the shunting bridge 12 has dragging tension on the mold core of the upper mold 1, the offset swing of the mold core of the upper mold 1 in the extrusion process is reduced again, the center distance of the circular holes is ensured to be equal, meanwhile, the bridge plate 15 can shield the flow rate of the aluminum flow, the flow rate of the aluminum flow flowing to the inner part of the lower mold 2 is controlled, and the flow difference caused by the different thicknesses of the upper mold 1 is reduced when the aluminum flow flows to the lower mold 2, finally, the aluminum flow penetrates out after being formed through the discharge hole 22, and the production of workpieces is completed.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a new energy automobile water-cooling board hot extrusion die for aluminium alloy, includes last mould (1) and lower mould (2) of mutual close-fitting, its characterized in that: the top of the upper die (1) is provided with a hole (11) in a penetrating mode, a shunting bridge (12) is arranged inside the hole (11), the hole (11) is divided into a plurality of feeding holes (13) by the shunting bridge (12), the bottom of the shunting bridge (12) is connected with a tool head (14), the surface of one side, close to the lower die (1), of the shunting bridge (12) is connected with a bridge plate (15), and the bridge plate (15) is arranged below the tool head (14);
lower mould (2) include die cavity (21), it is inside that worker head (14) bottom extends to die cavity (21), discharge opening (22) that are linked together with die cavity (21) are seted up to lower mould (2) bottom surface, lower mould (2) are close to one side of last mould (1) and have seted up welding chamber (23), four side surfaces that lower mould (2) are located die cavity (21) import all are connected with choked flow platform (24).
2. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: go up mould (1) and lower mould (2) and all set up to discoid, go up mould (1) and lower mould (2) and assemble through bolt and pin.
3. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: go up mould (1) and lower mould (2) and all set up to H13 mould steel material.
4. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: the number of the feeding holes (13) is not less than twelve, and the feeding holes are distributed in a bilateral symmetry mode relative to the upper die (1).
5. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: the surface of the upper die (1) at the edge of each feeding hole (13) is milled and sunk.
6. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: the upper die (1) is positioned on the outer side surface of the tool head (14) and is milled and sunk.
7. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: the feed holes (13) are made by a heat treatment process.
8. The hot extrusion die for the new energy automobile water-cooling plate aluminum profile is characterized in that: the discharge hole (22) is arranged to be step-shaped, and the width of the outlet on one side far away from the upper die (1) is larger than the width of the outlet on one side close to the upper die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210083941.0A CN114406027A (en) | 2022-01-25 | 2022-01-25 | New energy automobile water-cooling board hot extrusion die for aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210083941.0A CN114406027A (en) | 2022-01-25 | 2022-01-25 | New energy automobile water-cooling board hot extrusion die for aluminium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114406027A true CN114406027A (en) | 2022-04-29 |
Family
ID=81276880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210083941.0A Pending CN114406027A (en) | 2022-01-25 | 2022-01-25 | New energy automobile water-cooling board hot extrusion die for aluminium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114406027A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788542A (en) * | 1993-09-17 | 1995-04-04 | Yano Eng:Kk | Extrusion die of hollow stock |
| US5571235A (en) * | 1995-02-27 | 1996-11-05 | Yugen Kaisha Yano Engineering | Die assembly for extruding hollow articles |
| KR101305161B1 (en) * | 2012-03-05 | 2013-09-12 | 주식회사동양강철 | Extruding equipment for magnesium alloy |
| CN105127229A (en) * | 2015-09-24 | 2015-12-09 | 江阴市江顺模具有限公司 | Hot extrusion mold of cantilever frame |
| CN107824627A (en) * | 2017-11-30 | 2018-03-23 | 江阴市江顺模具有限公司 | Adjustable support aluminium section hot-extrusion die |
| CN107838215A (en) * | 2017-11-30 | 2018-03-27 | 江阴市江顺模具有限公司 | Automobile shock fixture section bar mold |
| CN107952813A (en) * | 2017-12-21 | 2018-04-24 | 江阴东华铝材科技有限公司 | A kind of pure electric vehicle machine cooling jacket mould |
| CN214133376U (en) * | 2020-12-22 | 2021-09-07 | 江苏江顺精密科技集团股份有限公司 | Hot extrusion die for automobile section bar |
-
2022
- 2022-01-25 CN CN202210083941.0A patent/CN114406027A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788542A (en) * | 1993-09-17 | 1995-04-04 | Yano Eng:Kk | Extrusion die of hollow stock |
| US5571235A (en) * | 1995-02-27 | 1996-11-05 | Yugen Kaisha Yano Engineering | Die assembly for extruding hollow articles |
| KR101305161B1 (en) * | 2012-03-05 | 2013-09-12 | 주식회사동양강철 | Extruding equipment for magnesium alloy |
| CN105127229A (en) * | 2015-09-24 | 2015-12-09 | 江阴市江顺模具有限公司 | Hot extrusion mold of cantilever frame |
| CN107824627A (en) * | 2017-11-30 | 2018-03-23 | 江阴市江顺模具有限公司 | Adjustable support aluminium section hot-extrusion die |
| CN107838215A (en) * | 2017-11-30 | 2018-03-27 | 江阴市江顺模具有限公司 | Automobile shock fixture section bar mold |
| CN107952813A (en) * | 2017-12-21 | 2018-04-24 | 江阴东华铝材科技有限公司 | A kind of pure electric vehicle machine cooling jacket mould |
| CN214133376U (en) * | 2020-12-22 | 2021-09-07 | 江苏江顺精密科技集团股份有限公司 | Hot extrusion die for automobile section bar |
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