CN112692095A - Battery frame bottom plate extrusion die - Google Patents
Battery frame bottom plate extrusion die Download PDFInfo
- Publication number
- CN112692095A CN112692095A CN202011430683.6A CN202011430683A CN112692095A CN 112692095 A CN112692095 A CN 112692095A CN 202011430683 A CN202011430683 A CN 202011430683A CN 112692095 A CN112692095 A CN 112692095A
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- die
- upper die
- bottom plate
- battery frame
- bottom end
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- 238000001125 extrusion Methods 0.000 title claims abstract description 22
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000008676 import Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a battery frame bottom plate extrusion die which comprises a die main body, wherein the die main body is divided into an upper die and a lower die, a feed inlet is formed in the top end of the upper die, a main bridge is transversely arranged in the middle of the feed inlet, four groups of auxiliary bridges are longitudinally arranged at the top end and the bottom end of the main bridge respectively, flow distribution holes are formed between the two groups of auxiliary bridges which are close to each other left and right and between the auxiliary bridges and the inner wall of the upper die, a tool head is arranged at the bottom end of the upper die, a plurality of die lifting holes are formed in the outer surface of the upper die and the outer surface and the bottom end of the lower die respectively, a quenching hole. Has the advantages that: through utilizing four auxiliary bridges to do the import 50 to draw the design to one side to the main bridge, can improve mould intensity and can guarantee the stability of section bar ejection of compact again. And meanwhile, the material inlet is sunk by 25mm, so that the pressure of the die is reduced, the profile can be discharged stably, the flatness of the profile is controlled within 0.2mm, and the service life of the die is also prolonged obviously.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a battery frame bottom plate extrusion die.
Background
With the increasing use of power batteries in new energy vehicles, the weight control requirements of the vehicles are more and more stringent in order to enable the new energy vehicles to have longer endurance mileage. The battery tray bottom plate is used as a main body for bearing the power battery pack, and the battery tray bottom plate is required to be light in weight and low in price while meeting the safety requirements of automobiles.
The width-thickness ratio of the bottom plate profile structure of the existing battery tray is controlled within a range smaller than 130, the requirement that the plane gap is smaller than 0.5mm can be met only by shaping, how to extrude the bottom plate profile with the width-thickness ratio of more than 130 is realized, the flatness can be controlled within a range of 0.5mm without a shaping process, the die is guaranteed to have reasonable effective life, and the problem needs to be solved urgently in the die industry is solved.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention provides a battery frame bottom plate extrusion die aiming at the problems in the related art, and aims to overcome the technical problems in the prior art.
Therefore, the invention adopts the following specific technical scheme:
the utility model provides a battery frame bottom plate extrusion die, includes the mould main part, just the mould main part divide into mould and lower mould, the feed inlet has been seted up on the top of going up the mould, the middle part of feed inlet transversely is provided with the main bridge, the top of main bridge and bottom vertically respectively are provided with four groups and assist the bridge, are close to each other about two sets of assist between the bridge and assist the bridge with all constitute the branch discharge hole between the inner wall of last mould, the bottom of going up the mould is provided with worker head, go up the surface of mould with a plurality of mould holes of carrying have all been seted up to the surface of lower mould and bottom, just bottom one side of lower mould is run through and has been seted up the quenching hole, the bottom.
Furthermore, in order to reduce the pressure of the die and enable the section to be discharged stably, the flatness of the section is controlled within 0.2mm, and the feed inlet sinks by 25mm relative to the top end of the upper die.
Furthermore, the top of the main bridge and the top of the auxiliary bridge are all provided with round corner structures.
Furthermore, the auxiliary bridge gradually inclines towards the inner side of the feed inlet in the direction away from the main bridge.
Furthermore, in order to improve the strength of the die and ensure the discharging stability of the section bar and prevent the problem that the die is easy to crack at the middle position of the main bridge, four groups of auxiliary bridges close to the center of the feed port and one side of the feed port far away from the main bridge are of a 50-degree cable-stayed connection structure.
Furthermore, in order to effectively ensure the strength and toughness of the discharged material, the quenching hole penetrates through the bottom end of the lower die and extends to the inside of the upper die.
Furthermore, in order to better improve the strength and toughness of the discharged material, the depth of the quenching hole in the upper die is 80 mm.
Further, in order to facilitate the disassembly and the installation of the upper die and the lower die, the requirement of quick die stripping is realized, and the machining efficiency is further improved, the upper die is connected with the lower die through a bolt, the bottom end of the upper die is provided with an inner threaded hole matched with the bolt, and the bottom end of the lower die is provided with a through hole matched with the bolt.
The invention has the beneficial effects that: four auxiliary bridges close to the extrusion center are used for conducting 50-degree cable-stayed design on the main bridge, so that the strength of the die can be improved, and the stability of profile discharging can be guaranteed. After the cable-stayed bridge is imported, a pulling force is exerted on the main bridge of the die, so that the stress of the main bridge is decomposed to the main body part of the die, the stress of the main bridge is reduced, and the stability of a tool head is ensured. And meanwhile, the material inlet is sunk by 25mm, so that the pressure of the die is reduced, the profile can be discharged stably, the flatness of the profile is controlled within 0.2mm, and the service life of the die is obviously prolonged compared with the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery frame bottom plate extrusion die according to an embodiment of the invention;
fig. 2 is a second schematic structural view of a battery frame bottom plate extrusion die according to an embodiment of the invention;
fig. 3 is a cross-sectional view of a battery frame base plate extrusion die according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure:
1. an upper die; 2. a lower die; 3. a feed inlet; 4. a main bridge; 5. an auxiliary bridge; 6. a shunt hole; 7. a tool head; 8. lifting a die hole; 9. quenching holes; 10. a discharge port; 11. a bolt; 12. an internally threaded bore; 13. and a through hole.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the invention, a battery frame bottom plate extrusion die is provided.
The invention will now be further described with reference to the accompanying drawings and detailed description, as shown in figures 1-4, the extrusion die for the bottom plate of the battery frame comprises a die main body which is divided into an upper die 1 and a lower die 2, a feed inlet 3 is arranged at the top end of the upper die 1, a main bridge 4 is transversely arranged in the middle of the feed inlet 3, four groups of auxiliary bridges 5 are respectively arranged at the top end and the bottom end of the main bridge 4 in the longitudinal direction, a shunting hole 6 is formed between the two groups of auxiliary bridges 5 which are mutually close to each other at the left and the right and between the auxiliary bridges 5 and the inner wall of the upper die 1, the bottom end of the upper die 1 is provided with a tool head 7, the outer surface of the upper die 1 and the outer surface and the bottom end of the lower die 2 are both provided with a plurality of die lifting holes 8, and one side of the bottom end of the lower die 2 is provided with a quenching hole 9 in a penetrating way, and the middle part of the bottom end of the lower die 2 is provided with a discharge hole 10 in a penetrating way.
By means of above-mentioned scheme, through setting up eight and assist bridge 5 and main bridge 4, can improve mould intensity and can guarantee the stability of section bar ejection of compact again. Through the specific connection of eight auxiliary bridges 5 and the main bridge 4, the auxiliary bridge 5 can exert a pulling force on the main bridge 4 of the mold, so that the main bridge 4 is stressed and decomposed to the main body of the mold, the stress of the main bridge 4 is reduced, and the stability of the tool head 7 is ensured.
In one embodiment, the feed inlet 3 sinks by 25mm relative to the top end of the upper die 1, so that the die pressure is reduced, the profile discharging is stable, the profile flatness is controlled within 0.2mm, and the die service life is obviously prolonged compared with the prior art.
In one embodiment, the top ends of the main bridge 4 and the auxiliary bridge 5 are all provided with round corner structures.
In one embodiment, the auxiliary bridge 5 is gradually inclined toward the inner side of the feed port 3 in a direction away from the main bridge 4, and the auxiliary bridge 5 forms an angle of 15 ° with the perpendicular bisector of the main bridge 4, so that the main bridge 4 and the auxiliary bridge 5 are connected more stably.
In one embodiment, the four sets of auxiliary bridges 5 near the center of the feed port 3 and one side of the feed port 3 far away from the main bridge 4 are of a 50-degree cable-stayed connection structure, and the four sets of auxiliary bridges 5 near the center of the feed port 3 are higher than the four sets of auxiliary bridges 5 far away from the center of the feed port 3, so that the strength of the die can be improved, the stability of profile discharging can be ensured, and the problem that the die is easy to generate bridge cracks in the middle of the main bridge 4 is effectively prevented.
In one embodiment, the quenching hole 9 penetrates through the bottom end of the lower die 2 and extends into the upper die 1, so that the strength and toughness of the discharged material can be effectively guaranteed.
In one embodiment, the depth of the quenching hole 9 in the upper die 1 is 80mm, and the quenching hole 9 has an oval structure, so that the strength and toughness of the discharge from the discharge hole 10 can be further improved, the processing efficiency is improved, and the processing cost is saved.
In one embodiment, the upper die 1 is connected with the lower die 2 through a bolt 11, an internal threaded hole 12 matched with the bolt 11 is formed in the bottom end of the upper die 1, and a through hole 13 matched with the bolt 11 is formed in the bottom end of the lower die 2, so that the upper die 1 and the lower die 2 can be conveniently detached and installed, the requirement of fast die stripping is met, and the machining efficiency is further improved.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the width of the profile is 254mm, the wall thickness is 1.5mm, and the width-thickness ratio is 169.3. The utility model discloses a structure, including mould 1, feed inlet 3, auxiliary bridge 5, four auxiliary bridges, the extrusion of adoption diameter 203 mm's stick, this type of section bar is difficult for the extrusion section bar and the flatness requirement is within 0.5mm, so go up mould 1 and be equipped with five diffluence holes 6 respectively from top to bottom, feed inlet 3 sinks 25mm, and the centre is a main bridge 4 and links to each other with eight auxiliary bridges, and is close to four auxiliary bridges of extrusion central point department and has made the 50 design of drawing to one side of import to the main bridge. Such design can improve mould intensity and can guarantee the stability of section bar ejection of compact again. In the past, the main bridge 4 is not designed to be an inlet cable-stayed design, when metal flows into the feed inlet 3, the stress on the position of the main bridge 4 of the die is the largest, and at the moment, the main bridge 4 of the die drives the connected tool head 7 to be elastically deformed in the longitudinal direction. Therefore, the problems of uneven discharging of the section bar and poor flatness are caused, and the die is easy to crack at the middle position of the main bridge 4. After a 50-degree inlet cable-stayed bridge is manufactured, a pulling force is exerted on the main bridge 4 of the die, so that the main bridge 4 is stressed and decomposed to the main body part of the die, the stress of the main bridge 4 is reduced, and the stability of the tool head 7 is ensured. Simultaneously, the feed inlet 3 sinks by 25mm, so that the pressure of the die is reduced, the discharging of the section bar is stable, the flatness of the section bar is controlled within 0.2mm, and the service life of the die is prolonged by more than 3 times compared with the prior art.
In summary, by means of the technical scheme of the invention, the four auxiliary bridges 5 close to the extrusion center are used for carrying out 50-degree diagonal drawing design on the main bridge 4, so that the strength of the die can be improved, and the stability of profile discharging can be ensured. After the imported cable-stayed bridge is connected, a pulling force is exerted on the main bridge 4 of the mould, so that the main bridge 4 is stressed and decomposed to the main part of the mould, the stress of the main bridge 4 is reduced, and the stability of the tool head 7 is ensured. Meanwhile, the feed inlet is 3mm deep, so that the pressure of the die is reduced, the discharging of the section bar is stable, the flatness of the section bar is controlled within 0.2mm, and the service life of the die is obviously prolonged compared with the prior art.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A battery frame bottom plate extrusion die is characterized by comprising a die main body which is divided into an upper die (1) and a lower die (2), a feed inlet (3) is arranged at the top end of the upper die (1), a main bridge (4) is transversely arranged in the middle of the feed inlet (3), four groups of auxiliary bridges (5) are respectively and longitudinally arranged at the top end and the bottom end of the main bridge (4), flow distribution holes (6) are formed between the two groups of auxiliary bridges (5) which are mutually close to each other at the left and right sides and between the auxiliary bridges (5) and the inner wall of the upper die (1), the bottom end of the upper die (1) is provided with a tool head (7), the outer surface of the upper die (1) and the outer surface and the bottom end of the lower die (2) are both provided with a plurality of die lifting holes (8), and one side of the bottom end of the lower die (2) is provided with a quenching hole (9) in a penetrating way, and a discharge hole (10) is formed in the middle of the bottom end of the lower die (2) in a penetrating manner.
2. The battery frame bottom plate extrusion die of claim 1, wherein the feed inlet (3) is sunk by 25mm relative to the top end of the upper die (1).
3. The battery frame bottom plate extrusion die of claim 1, wherein the peripheries of the top ends of the main bridge (4) and the auxiliary bridge (5) are provided with round corner structures.
4. The battery frame bottom plate extrusion die of claim 3, wherein the auxiliary bridge (5) is gradually inclined towards the inner side of the feed opening (3) in a direction away from the main bridge (4).
5. The battery frame bottom plate extrusion die of claim 4, wherein four sets of the auxiliary bridges (5) near the center of the feed port (3) and one side of the feed port (3) far away from the main bridge (4) are in a 50-degree cable-stayed connection structure.
6. The battery frame bottom plate extrusion die of claim 1, wherein the quenching holes (9) penetrate through the bottom end of the lower die (2) and extend to the inside of the upper die (1).
7. The battery frame bottom plate extrusion die of claim 6, wherein the depth of the quenching holes (9) in the upper die (1) is 80 mm.
8. The battery frame bottom plate extrusion die of claim 1, wherein the upper die (1) is connected with the lower die (2) through a bolt (11), an internal threaded hole (12) matched with the bolt (11) is formed in the bottom end of the upper die (1), and a through hole (13) matched with the bolt (11) is formed in the bottom end of the lower die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430683.6A CN112692095A (en) | 2020-12-07 | 2020-12-07 | Battery frame bottom plate extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430683.6A CN112692095A (en) | 2020-12-07 | 2020-12-07 | Battery frame bottom plate extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112692095A true CN112692095A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011430683.6A Pending CN112692095A (en) | 2020-12-07 | 2020-12-07 | Battery frame bottom plate extrusion die |
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| CN (1) | CN112692095A (en) |
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|---|---|---|---|---|
| CN103464503A (en) * | 2013-09-26 | 2013-12-25 | 张家港市宏基铝业有限公司 | Aluminum profile extrusion die |
| CN103599956A (en) * | 2013-09-29 | 2014-02-26 | 东莞市东联铝业有限公司 | Multistage-welding-chamber extrusion mould used for producing aluminium sections and production technology of the aluminium sections |
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| CN109013737A (en) * | 2018-10-16 | 2018-12-18 | 辽宁忠旺集团有限公司 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
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| CN109821920A (en) * | 2019-01-07 | 2019-05-31 | 上海友升铝业有限公司 | A kind of extruding spread extrusion die applied to batteries of electric automobile pallet |
| CN110180909A (en) * | 2019-05-31 | 2019-08-30 | 辽宁忠旺集团有限公司 | A kind of ultra-wide thin-walled compartment profile material production technology |
| CN209829900U (en) * | 2019-04-17 | 2019-12-24 | 苏州合力通模具有限公司 | Durable section bar cross-section mould of high strength |
| CN210966416U (en) * | 2019-10-17 | 2020-07-10 | 大冶屹丰机械制造有限公司 | Extrusion die for aluminum alloy door and window profiles |
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2020
- 2020-12-07 CN CN202011430683.6A patent/CN112692095A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140283577A1 (en) * | 2011-09-13 | 2014-09-25 | Nikkeiken Aluminium Core Technology Company, Ltd. | Extrusion die for forming hollow material |
| CN103464503A (en) * | 2013-09-26 | 2013-12-25 | 张家港市宏基铝业有限公司 | Aluminum profile extrusion die |
| CN103599956A (en) * | 2013-09-29 | 2014-02-26 | 东莞市东联铝业有限公司 | Multistage-welding-chamber extrusion mould used for producing aluminium sections and production technology of the aluminium sections |
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| CN204486494U (en) * | 2015-03-26 | 2015-07-22 | 东南铝业有限公司 | Heavy in section Thin-walled Aluminum profile extrusion die |
| CN105013850A (en) * | 2015-07-08 | 2015-11-04 | 龙口市丛林铝材有限公司 | Railway train body profile extrusion mold and finishing method thereof |
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| CN209829900U (en) * | 2019-04-17 | 2019-12-24 | 苏州合力通模具有限公司 | Durable section bar cross-section mould of high strength |
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Application publication date: 20210423 |