CN110802213A - New energy electric automobile controller shell casting mold and working method thereof - Google Patents
New energy electric automobile controller shell casting mold and working method thereof Download PDFInfo
- Publication number
- CN110802213A CN110802213A CN201911204883.7A CN201911204883A CN110802213A CN 110802213 A CN110802213 A CN 110802213A CN 201911204883 A CN201911204883 A CN 201911204883A CN 110802213 A CN110802213 A CN 110802213A
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- core
- sliding block
- lower die
- controller shell
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- 238000005266 casting Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 239000003110 molding sand Substances 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a new energy electric automobile controller shell casting die and a working method thereof.A lower die core is arranged below an upper die plate, and a lower die core is arranged above a lower die base; the first fixed lower module, the first sliding block, the second fixed lower module and the second sliding block are arranged on the lower die base, and are sequentially spliced end to end around the axis of the lower die core to form a sealed molding cavity consistent with the outer periphery of the controller shell in shape; the first cooling channel molding sand core is used for forming a space inside the bottom surface of the controller shell, and the second cooling channel molding sand core is used for forming a channel for communicating the space inside the bottom surface of the controller shell with the outside; the upper die plate is provided with an air cooling assembly, and the air cooling assembly is used for cooling the upper die core. The die has the advantages of reasonable structural design, low cost and good casting quality.
Description
Technical Field
The invention relates to the field of molds, in particular to a new energy electric automobile controller shell casting mold and a working method thereof.
Background
At present, new energy electric vehicles are greatly developed, an electric vehicle controller is one of core components of the electric vehicle and is used for controlling starting, stopping, running, speed and the like of the electric vehicle, the controller consists of a shell and an electronic device positioned in the shell, the shell plays a role in protecting, bearing and sealing the internal electronic device, most of the existing controller shells are made of metal materials through casting, the controller shells are complex in structure and many in curved surfaces, a connecting part is arranged on the controller shells, a power supply socket for plugging a power supply, an indicating lamp hole and the like, the difficulty is increased for the design of a casting mold, the existing casting mold is unreasonable in design, and therefore cavities, looseness and the like are easily generated in the controller shells, and the service life of the controller shells is seriously influenced. Accordingly, there is a need for improvements and optimizations to existing controller housing casting molds.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a casting mold for a new energy electric automobile controller shell with reasonable structural design and good product quality, and provides a working method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a new forms of energy electric automobile controller casing casting mould which characterized in that: the device comprises a lower die holder, an upper die plate, an upper die core, a lower die core, a sand core for forming a first cooling channel, a sand core for forming a second cooling channel, a first fixed lower module, a second fixed lower module, a first sliding block and a second sliding block; the upper mold core is arranged below the upper mold plate, and the lower mold core is arranged on the lower mold base; the first fixed lower module, the first sliding block, the second fixed lower module and the second sliding block are arranged on the lower die base and sequentially spliced end to end around the axis of the lower die core to form a sealed molding cavity which is consistent with the outer periphery of the controller shell in shape, a protruding structure is arranged on the inner side surface of the first sliding block and used for forming a power supply socket on the controller shell, and the second sliding block is used for forming an indicator lamp hole on the controller shell; when the die is closed, the upper die plate covers the first fixed lower die block, the first sliding block, the second fixed lower die block and the second sliding block, and the upper die core is positioned in the forming cavity; the first cooling channel molding sand core is sheet-shaped, is arranged on the lower die base and is positioned between the bottom surface of the upper die core and the inner wall of the bottom surface of a molding cavity formed by the first fixed lower die block, the first sliding block, the second fixed lower die block and the second sliding block; the second cooling channel molding sand core is a stepped cylindrical part, one end of the second cooling channel molding sand core is lapped on the first cooling channel molding sand core, and the other end of the second cooling channel molding sand core is lapped on the first fixed lower module; the first cooling channel molding sand core is used for forming a space inside the bottom surface of the controller shell, and the second cooling channel molding sand core is used for forming a channel for communicating the space inside the bottom surface of the controller shell with the outside; and the upper die plate is provided with an air cooling assembly, and the air cooling assembly is used for cooling the upper die core.
Preferably, the casting mold for the new energy electric automobile controller shell further comprises a pushing structure, wherein the pushing structure comprises a lock mold plate, a support plate, an upper top plate, a push rod mounting plate and a push rod; the two support plates are arranged in an L shape and are vertically and oppositely arranged on the upper template; the clamping plates are arranged on the two supporting plates; the upper top plate is connected with the ejector rod mounting plate and can be located between the lock template and the upper template in an up-down lifting mode; the ejector push rods are arranged on the ejector push rod mounting plate, the ejector push rods are arranged at the positions of the castings, which are easy to clamp the mold, and the lower ends of the ejector push rods penetrate through the upper mold block; when the upper top plate and the ejector rod mounting plate move downwards to the lowest position, the upper top plate and the ejector rod mounting plate are limited and supported by the supporting plate.
Preferably, the sand core for molding the first cooling channel and the sand core for molding the second cooling channel are both made of quartz sand and resin binder.
Preferably, the lower die base is provided with four sprue channels, and the sprue channels are communicated and connected with the lower die core.
Preferably, the second sliding block is connected with a core-pulling mechanism, and the core-pulling mechanism is driven by an oil cylinder.
Preferably, a feeding groove channel is arranged on the upper surface of the lower mold core and connected with one sprue channel, four exhaust holes are formed in the lower mold core, and exhaust plugs are arranged in the exhaust holes.
The invention also provides a working method of the casting mold for the new energy electric automobile controller shell, which comprises the following steps:
the method comprises the following steps: mounting the lower die core on a lower die base;
step two: the first fixed lower module and the second fixed lower module are installed on the lower die base, then the first cooling channel forming sand core is installed on the lower die base, the second cooling channel forming sand core is installed on the first cooling channel forming sand core in a lap joint mode, and the other end of the second cooling channel forming sand core is installed on the first fixed lower module in a lap joint mode;
step three: the upper die power device moves the upper die plate downwards and is matched and clamped with the first fixed lower die block and the second fixed lower die block;
step four: the first sliding block is pushed between the upper template and the lower die base by a sliding block power mechanism and is folded with the first fixed lower module and the second fixed lower module; the second sliding block is pushed between the upper template and the lower die base by the core pulling mechanism and is folded with the first fixed lower module and the second fixed lower module;
step five: the low-pressure casting machine holding furnace is connected with the sprue channel, and liquid metal gradually enters the controller shell forming cavity under the action of pressure until casting forming;
step six: after casting and forming, the air cooling assembly works to cool the upper die core, and after cooling is finished, the first sliding block and the second sliding block are pulled apart to be demoulded;
step seven: and the upper die power device moves the upper die plate and the cast controller shell to a die-stripping position, and the pushing structure works to push the cast controller shell downwards so as to complete the die stripping of the controller shell and the upper die core.
Compared with the prior art, the invention has the following advantages and effects: the die has reasonable structural design, low cost and good casting quality; a feeding groove channel is arranged on the upper surface of the lower mold core and can enhance the local feeding capacity of the middle area; the air cooling assembly is arranged at the upper mold core, so that the cooling effect is good and the efficiency is high.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic perspective view of a controller housing cast according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another controller housing cast according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Fig. 4 is a schematic perspective view of the upper mold half according to an embodiment of the present invention.
Fig. 5 is another perspective view of the upper mold half according to the embodiment of the present invention.
Fig. 6 is a schematic perspective view of a lower mold half according to an embodiment of the present invention.
Fig. 7 is a schematic top view of the structure of fig. 6.
FIG. 8 is a schematic diagram showing the configuration of the lower core with the feeding groove channels and the vent holes.
Fig. 9 is a schematic top view of the structure of fig. 8.
Description of reference numerals: the core-pulling device comprises a lower die holder 1, an upper die plate 2, an upper die core 3, a lower die core 4, a first cooling channel forming sand core 5, a second cooling channel forming sand core 10, an air cooling component 11, a first fixed lower die block 6, a second fixed lower die block 7, a first sliding block 8, a second sliding block 9, a pouring gate channel 17, a core-pulling mechanism 18, an oil cylinder 19, a die locking plate 15, a supporting plate 14, an upper top plate 16, a top push rod mounting plate 12, a top push rod 13, a feeding groove channel 41 and an exhaust hole 42.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
See fig. 1-9.
The embodiment of the invention discloses a new forms of energy electric automobile controller casing casting mould, and the controller casing refers to fig. 1 and fig. 2, and this controller casing casting mould includes die holder 1, cope match-plate pattern 2, go up mould core 3, lower mould core 4, a cooling channel shaping is with psammitolite 5, No. two cooling channel shaping is with psammitolite 10, No. one fixed lower module 6, No. two fixed lower module 7, No. one slider 8, No. two sliders 9 and top push structure.
In the embodiment, an upper die core 3 is arranged below an upper die plate 2, and a lower die core 4 is arranged above a lower die base 1; four sprue channels 17 are arranged on the lower die base 1, and the sprue channels 17 are communicated and connected with the lower die core 4. An air cooling assembly 11 is mounted on the upper die plate 2, and the air cooling assembly 11 is used for cooling the upper die core 3.
In this embodiment, a first fixed lower module 6, a first sliding block 8, a second fixed lower module 7 and a second sliding block 9 are installed on the lower die base 1, and are sequentially spliced end to end around the axis of the lower die core 4 to form a sealed molding cavity consistent with the outer circumference of the controller housing in shape, wherein a protruding structure is arranged on the inner side surface of the first sliding block 8 and used for forming a power supply socket on the controller housing, and the second sliding block 9 is used for forming an indicator lamp hole on the controller housing. The second sliding block 9 is connected with a core-pulling mechanism 18, and the core-pulling mechanism 18 is driven by an oil cylinder 19.
In this embodiment, when the mold is closed, the upper mold plate 2 covers the first fixed lower mold block 6, the first slide block 8, the second fixed lower mold block 7, and the second slide block 9, and the upper mold core 3 is located in the molding cavity.
In this embodiment, the first sand core 5 for forming the cooling channel is sheet-shaped, is installed on the lower die holder 1, and is located between the bottom surface of the upper die core 3 and the inner wall of the bottom surface of the forming cavity formed by the first fixed lower die block 6, the first slide block 8, the second fixed lower die block 7, and the second slide block 9.
In this embodiment, the second cooling channel molding sand core 10 is a stepped cylindrical member, one end of which is lapped on the first cooling channel molding sand core 5, and the other end of which is lapped on the first fixed lower module 6; the first cooling passage forming core 5 forms a space inside the bottom surface of the controller case, and the second cooling passage forming core 10 forms a passage through which the space inside the bottom surface of the controller case communicates with the outside. The first cooling channel forming sand core 5 and the second cooling channel forming sand core 10 are both made of quartz sand and resin binder.
In this embodiment, the pushing structure includes a lock mold plate 15, a support plate 14, an upper top plate 16, a push rod mounting plate 12 and a push rod 13; the two support plates 14 are L-shaped and are vertically and oppositely arranged on the upper template 2; the locking template 15 is arranged on the two supporting plates 14; the upper top plate 16 is connected with the ejector rod mounting plate 12 and can be positioned between the lock template 15 and the upper template 2 in an up-down lifting manner; the ejector push rods 13 are arranged on the ejector push rod mounting plate 12, a plurality of ejector push rods 13 are arranged at the position where the casting is easy to clamp the die, and the lower ends of the ejector push rods 13 penetrate through the upper die block 2; the upper top plate 16 and the ejector pin mounting plate 12 are restrained and supported by the support plate 14 as they move downwardly to the lowermost position.
In this embodiment, a feeding groove channel 41 is disposed on the upper surface of the lower mold core 4, the feeding groove channel 41 is connected to one gate channel 17, four exhaust holes 42 are further disposed on the lower mold core 4, and an exhaust plug is disposed in the exhaust hole 42.
In this embodiment, the working method of the new energy electric vehicle controller shell casting mold includes the following steps:
the method comprises the following steps: mounting a lower die core 4 on a lower die base 1;
step two: a first fixed lower module 6 and a second fixed lower module 7 are installed on the lower die base 1, then a first cooling channel forming sand core 5 is installed on the lower die base 1, then a second cooling channel forming sand core 10 is installed on the first cooling channel forming sand core 5 in a lap joint mode, and the other end of the second cooling channel forming sand core is installed on the first fixed lower module 6 in a lap joint mode;
step three: the upper die power device moves the upper die plate 2 downwards and is matched and clamped with the first fixed lower module 6 and the second fixed lower module 7;
step four: the first sliding block 8 is pushed between the upper template 2 and the lower die holder 1 by a sliding block power mechanism and is folded with the first fixed lower module 6 and the second fixed lower module 7; the second sliding block 9 is pushed between the upper template 2 and the lower die holder 1 by the core pulling mechanism 18 and is folded with the first fixed lower module 6 and the second fixed lower module 7;
step five: the holding furnace of the low-pressure casting machine is connected with the sprue channel 17, and liquid metal gradually enters the forming cavity of the controller shell under the action of pressure until casting and forming;
step six: after casting and forming, the air cooling assembly 11 works to cool the upper die core 3, and after cooling is finished, the first sliding block 8 and the second sliding block 9 are pulled apart to be demoulded;
step seven: and the upper die power device moves the upper die plate 2 and the cast controller shell to a die-stripping position, and the pushing structure works to push the cast controller shell downwards so as to complete the die stripping of the controller shell and the upper die core 3.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a new forms of energy electric automobile controller casing casting mould which characterized in that: the device comprises a lower die holder (1), an upper die plate (2), an upper die core (3), a lower die core (4), a first cooling channel molding sand core (5), a second cooling channel molding sand core (10), a first fixed lower die block (6), a second fixed lower die block (7), a first sliding block (8) and a second sliding block (9); the upper mold core (3) is arranged below the upper mold plate (2), and the lower mold core (4) is arranged above the lower mold base (1); the first fixed lower module (6), the first sliding block (8), the second fixed lower module (7) and the second sliding block (9) are installed on the lower die base (1), and are sequentially spliced end to end around the axis of the lower die core (4) to form a sealed molding cavity consistent with the outer periphery of the controller shell in shape, a protruding structure is arranged on the inner side surface of the first sliding block (8) and used for forming a power supply socket on the controller shell, and the second sliding block (9) is used for forming an indicator lamp hole on the controller shell; when the die is closed, the upper die plate (2) covers the first fixed lower die block (6), the first sliding block (8), the second fixed lower die block (7) and the second sliding block (9), and the upper die core (3) is positioned in the forming cavity; the first cooling channel molding sand core (5) is sheet-shaped, is arranged on the lower die base (1), and is positioned between the bottom surface of the upper die core (3) and the inner wall of the bottom surface of a molding cavity formed by the first fixed lower die block (6), the first sliding block (8), the second fixed lower die block (7) and the second sliding block (9); the second cooling channel forming sand core (10) is a stepped cylindrical part, one end of the second cooling channel forming sand core is lapped on the first cooling channel forming sand core (5), and the other end of the second cooling channel forming sand core is lapped on the first fixed lower module (6); the first cooling channel molding sand core (5) is used for forming a space inside the bottom surface of the controller shell, and the second cooling channel molding sand core (10) is used for forming a channel for communicating the space inside the bottom surface of the controller shell with the outside; and an air cooling assembly (11) is arranged on the upper template (2), and the air cooling assembly (11) is used for cooling the upper mold core (3).
2. The casting mold for the new energy electric automobile controller shell according to claim 1, characterized in that: the pushing structure comprises a lock template (15), a supporting plate (14), an upper top plate (16), a push rod mounting plate (12) and a push rod (13); the two support plates (14) are L-shaped and are vertically and oppositely arranged on the upper template (2); the lock template (15) is arranged on the two support plates (14); the upper top plate (16) is connected with the ejector rod mounting plate (12) and can be vertically positioned between the lock template (15) and the upper template (2); the ejector push rods (13) are arranged on the ejector push rod mounting plate (12), a plurality of ejector push rods (13) are arranged at positions of the castings, which are easy to clamp the mold, and the lower ends of the ejector push rods (13) penetrate through the upper module (2); when the upper top plate (16) and the ejector rod mounting plate (12) move downwards to the lowest position, the upper top plate and the ejector rod mounting plate are limited and supported by the support plate (14).
3. The casting mold for the new energy electric automobile controller shell according to claim 1, characterized in that: the sand core (5) for molding the first cooling channel and the sand core (10) for molding the second cooling channel are both made of quartz sand and resin binder.
4. The casting mold for the new energy electric automobile controller shell according to claim 1, characterized in that: four sprue channels (17) are arranged on the lower die base (1), and the sprue channels (17) are communicated and connected with the lower die core (4).
5. The casting mold for the new energy electric automobile controller shell according to claim 1, characterized in that: the second sliding block (9) is connected with a core-pulling mechanism (18), and the core-pulling mechanism (18) is driven by an oil cylinder (19).
6. The casting mold for the new-energy electric automobile controller shell according to claim 4, characterized in that: the upper surface of the lower mold core (4) is provided with a feeding groove channel (41), the feeding groove channel (41) is connected with a sprue channel (17), the lower mold core (4) is further provided with four exhaust holes (42), and exhaust plugs are arranged in the exhaust holes (42).
7. The working method of the casting mold for the new energy electric automobile controller shell according to any one of claims 1 to 6, characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mounting a lower mold core (4) on a lower mold base (1);
step two: a first fixed lower module (6) and a second fixed lower module (7) are installed on a lower die base (1), then a first cooling channel forming sand core (5) is installed on the lower die base (1), then the second cooling channel forming sand core (10) is installed on the first cooling channel forming sand core (5) in a lap joint mode, and the other end of the second cooling channel forming sand core is installed on the first fixed lower module (6) in a lap joint mode;
step three: the upper die power device moves the upper die plate (2) downwards and is matched and clamped with the first fixed lower die block (6) and the second fixed lower die block (7);
step four: the first sliding block (8) is pushed to a position between the upper template (2) and the lower die holder (1) by a sliding block power mechanism and is folded with the first fixed lower module (6) and the second fixed lower module (7); the second sliding block (9) is pushed to a position between the upper template (2) and the lower die holder (1) by the core pulling mechanism (18) and is folded with the first fixed lower module (6) and the second fixed lower module (7);
step five: the holding furnace of the low-pressure casting machine is connected with a sprue channel (17), and liquid metal gradually enters a forming cavity of the controller shell under the action of pressure until casting and forming;
step six: after casting and forming, the air cooling assembly (11) works, the upper mold core (3) is cooled, after cooling is completed, the first sliding block (8) and the second sliding block (9) are pulled apart for demolding;
step seven: and the upper die power device moves the upper die plate (2) and the cast controller shell to a die-stripping position, and the pushing structure works to push the cast controller shell downwards so as to complete the die stripping of the controller shell and the upper die core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204883.7A CN110802213A (en) | 2019-11-29 | 2019-11-29 | New energy electric automobile controller shell casting mold and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204883.7A CN110802213A (en) | 2019-11-29 | 2019-11-29 | New energy electric automobile controller shell casting mold and working method thereof |
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| CN110802213A true CN110802213A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911204883.7A Pending CN110802213A (en) | 2019-11-29 | 2019-11-29 | New energy electric automobile controller shell casting mold and working method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012120601A1 (en) * | 2011-03-04 | 2012-09-13 | トヨタ自動車株式会社 | Die cast casting apparatus and method for releasing casting from mold |
| CN207154733U (en) * | 2017-05-11 | 2018-03-30 | 宁波经济技术开发区博威模具金属制品有限公司 | A kind of mould for being used to produce electric vehicle controller casing |
| CN110328348A (en) * | 2019-06-27 | 2019-10-15 | 广东银迪压铸有限公司 | A kind of production method of New energy automobile motor aluminum enclosure |
| CN211588493U (en) * | 2019-11-29 | 2020-09-29 | 浙江拓卡斯科技股份有限公司 | New forms of energy electric automobile controller casing casting mould |
-
2019
- 2019-11-29 CN CN201911204883.7A patent/CN110802213A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012120601A1 (en) * | 2011-03-04 | 2012-09-13 | トヨタ自動車株式会社 | Die cast casting apparatus and method for releasing casting from mold |
| CN207154733U (en) * | 2017-05-11 | 2018-03-30 | 宁波经济技术开发区博威模具金属制品有限公司 | A kind of mould for being used to produce electric vehicle controller casing |
| CN110328348A (en) * | 2019-06-27 | 2019-10-15 | 广东银迪压铸有限公司 | A kind of production method of New energy automobile motor aluminum enclosure |
| CN211588493U (en) * | 2019-11-29 | 2020-09-29 | 浙江拓卡斯科技股份有限公司 | New forms of energy electric automobile controller casing casting mould |
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