CN116251938A - Automobile motor casing die casting die - Google Patents
Automobile motor casing die casting die Download PDFInfo
- Publication number
- CN116251938A CN116251938A CN202310282211.8A CN202310282211A CN116251938A CN 116251938 A CN116251938 A CN 116251938A CN 202310282211 A CN202310282211 A CN 202310282211A CN 116251938 A CN116251938 A CN 116251938A
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- China
- Prior art keywords
- die
- motor casing
- casting
- die casting
- movable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/229—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies with exchangeable die part
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
- B22D17/145—Venting means therefor
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a die-casting die for an automobile motor casing, which relates to the technical field of automobile dies and comprises a fixed die and a movable die, wherein a cavity for producing the motor casing is formed inside the fixed die and the movable die after the fixed die and the movable die are combined, a cylinder insert is arranged on the movable die after the fixed die is in butt joint with the movable die and is used for forming an annular cooling water channel, the cylinder insert is formed by a plurality of arc-shaped sheets along the periphery Xiang Pinjie of the cylinder insert, and one ends of the arc-shaped sheets facing the movable die are fixedly connected with the movable die and can be detached, so that the production cost can be reduced.
Description
Technical Field
The invention relates to the technical field of automobile molds, in particular to an automobile motor casing die casting mold.
Background
There are many processes for producing aluminum alloy castings, for example: gravity casting, low-pressure casting, lost foam casting, pressure casting and the like, wherein the pressure casting (simply referred to as die casting) is a high-efficiency, less and non-cutting metal forming precision casting method which is developed faster in the modern metal processing technology, and has many advantages which cannot be possessed by the traditional casting method, so that the pressure casting has wide application in various manufacturing fields of automobile parts, instruments, agricultural machines and tools and the like, and the aluminum alloy die casting technology has become an indispensable technology in the automobile aluminum alloy manufacturing technology; the die casting process has short production flow, simple and concentrated working procedures, good casting quality, high precision and good surface finish, and can save a large number of machining working procedures, equipment and working hours; therefore, under the condition of meeting the requirement of the casting on the use quality, the casting is generally produced by adopting a die casting process;
the cooling water channel is arranged in the motor casing and used for cooling the motor rotor by introducing cooling liquid, the cooling water channel 3 on the old motor casing is formed by matching two parts of the inner casing 1 and the outer casing 2 (shown in fig. 1), the manufacturing and processing difficulty of the parts is low, leakage is very easy to occur, the novel motor casing belongs to an integrated water-cooled motor casing (shown in fig. 2 and 3), the novel motor casing is provided with the annular cooling water channel 4, the risk of leakage of the cooling liquid can be reduced, but the annular cooling water channel is usually manufactured by installing a cylinder insert on a movable die of a die casting die, a plurality of supporting ribs along the axial direction of the annular cooling water channel are arranged in the annular cooling water channel, so that a plurality of supporting rib avoiding structures 5 are arranged on the cylinder insert, the strength of a forming piece between two adjacent supporting rib avoiding structures 5 is weak, the whole cylinder insert is very easy to damage in the production process, the whole cylinder insert needs to be replaced, and the manufacturing cost of the cylinder insert is very high, and the production cost is increased.
Disclosure of Invention
The invention aims to provide an automobile motor casing die casting die, which solves the problems in the prior art and can reduce the production cost.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an automobile motor casing die casting die which comprises a fixed die and a movable die, wherein a cavity for producing a motor casing is formed inside the fixed die and the movable die after being combined, a cylinder insert is arranged on the movable die after the fixed die is in butt joint with the movable die and is used for forming an annular cooling water channel, the cylinder insert is formed by a plurality of arc-shaped sheets along the periphery Xiang Pinjie of the cylinder insert, and one ends of the arc-shaped sheets, facing the movable die, of the arc-shaped sheets are fixedly connected with the movable die and can be detached.
Preferably, a scratch-proof coating is arranged on a plurality of the arc-shaped sheets.
Preferably, two cross runners are arranged on the fixed die, a plurality of pouring ports are arranged on each cross runner, and the pouring ports are uniformly distributed on the motor casing at equal intervals along the matching surface of the power output gearbox cover.
Preferably, the pouring opening is a olecranon type inner pouring opening.
Preferably, the die casting device further comprises a cold chamber die casting machine, and the output end of the cold chamber die casting machine is communicated with the two cross runners.
Preferably, the diameter of the punch of the cold chamber die casting machine is 100-150 mm.
Preferably, the fullness of the cold chamber on the cold chamber die casting machine is 50% -70%.
Preferably, the tonnage of the cold chamber die casting machine is 1500-2000 tons.
Preferably, a plurality of exhaust channels are arranged at the position, far away from the pouring gate, of the cavity, overflow grooves are arranged on the exhaust channels, the overflow grooves are close to the cavity, and exhaust stop valves are arranged on the exhaust channels.
Preferably, the system further comprises a die casting vacuum system, and an input end of the die casting vacuum system is communicated with a plurality of exhaust passages.
Compared with the prior art, the invention has the following technical effects:
the invention provides an automobile motor casing die casting die, which is characterized in that a cylinder insert is formed by a plurality of arc-shaped sheets along the periphery Xiang Pinjie of the cylinder insert, one end of each arc-shaped sheet, facing a movable die, is fixedly connected with the movable die and can be detachably arranged, and in the production process of a motor casing, when one arc-shaped sheet on the cylinder insert is damaged, the arc-shaped sheet is only required to be detached and replaced, the whole cylinder insert is not required to be replaced, and the production cost can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art old motor casing;
FIG. 2 is an isometric view of a novel motor housing of the prior art;
FIG. 3 is a schematic diagram of a novel motor housing in the background art;
fig. 4 is a schematic structural view of a cylinder insert in a die casting mold for an automobile motor casing according to the present invention;
fig. 5 is a schematic diagram of a structure of a movable die removing slide block in a die casting die for an automobile motor casing;
fig. 6 is a schematic structural diagram of a movable die in a die casting die for an automobile motor casing provided by the invention;
fig. 7 is a schematic structural diagram of a fixed mold in an automobile motor casing die-casting mold provided by the invention;
fig. 8 is a schematic structural view of a runner and an exhaust pipe in the die-casting mold for the motor casing of the automobile provided by the invention;
in the figure: the device comprises a 1-inner shell, a 2-outer shell, a 3-cooling water channel, a 4-annular cooling water channel, a 5-supporting rib avoiding structure, a 6-fixed die, a 7-movable die, an 8-cylinder insert, a 9-arc-shaped piece, a 10-runner, an 11-sprue gate, a 12-slave power output gearbox cover matching surface, a 13-punch, a 14-exhaust passage, a 15-overflow groove and a 16-slide block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an automobile motor casing die casting die, which solves the problems in the prior art and can reduce the production cost.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides an automobile motor casing die-casting die, as shown in figures 1-3, which comprises a fixed die 6 and a movable die 7, wherein a cavity for producing a motor casing is formed inside the combined fixed die 6 and the movable die 7, a cylinder insert is arranged on the movable die 7 and is used for forming an annular cooling water channel, the cylinder insert 8 is formed by splicing a plurality of arc-shaped sheets 9 along the circumferential direction of the cylinder insert 8, the number of the arc-shaped sheets 9 is 3-6, preferably 5, the structures of the arc-shaped sheets 9 can be completely consistent or can be of different structures, and one ends of the arc-shaped sheets 9 facing the movable die 7 are fixedly connected with the movable die 7 and can be detached, such as through bolts.
In the concrete implementation process, the manufacturer can back up one set of arc piece 9 more, when one of them arc piece 9 on the movable mould 7 damages, dismantle it down, change a new arc piece 9 and continue to produce, can avoid the drum to insert 8 wholly to change to reduce manufacturing cost.
Further, be provided with the scratch-proof coating on a plurality of arc pieces 9, the scratch-proof layer is, and the setting on scratch-proof layer can avoid drum insert 8 to the fish tail of motor casing annular cooling water course profile, produces the defect, causes the product to scrap to and be convenient for the separation of movable mould 7 and cover half 6.
Further, two runners 10 are arranged on the fixed mold 6, a plurality of pouring gates 11 are arranged on each runner 10, the number of the pouring gates 11 on each runner 10 is 3-6, preferably 4, and the pouring gates 11 are uniformly distributed on the motor casing at equal intervals along the matching surface 12 of the power output gearbox cover.
Notably, the two transverse pouring channels 10 shorten the filling stroke, optimize the heat balance of the overall temperature of the die and ensure that the inner matrix and the outer matrix of the annular cooling water channel on the motor shell are effectively filled; the internal and external quality, the stability and the service life of the die are greatly improved, the production efficiency is improved, and the manufacturing cost is reduced.
Further, the pouring opening 11 is a olecranon type inner pouring gate, which is favorable for the flow of molten metal.
Further, the casting machine also comprises a cold chamber die casting machine, wherein the output end of the cold chamber die casting machine is communicated with the two cross runners 10, the fullness of the cold chamber on the cold chamber die casting machine is 50% -70%, after the molten metal is poured into the press chamber, the press chamber is not completely filled, a certain proportion of space is reserved above the molten metal, the larger the space occupation ratio is, the more air is stored, and the air has great influence on the porosity of the casting during filling; when the pressure chamber is excessively full, the alloy liquid dissipates more heat in the pressure chamber, and a large number of chilling layers are extremely unfavorable to filling; therefore, for the casting with high air tightness requirement of the motor casing, the fullness degree should be controlled within the range of 50% -70% when the pressure chamber is designed, preferably 60.5%; the diameter of the punch 13 of the cold chamber die casting machine is 100 to 150mm, preferably 130mm.
Further, the tonnage of the cold chamber die casting machine is 1500-2000 tons, preferably 1872 tons, which can provide enough mold locking force to ensure the internal quality of the cast during injection and mold filling, and the die casting machine can be a DCC2000 die casting machine.
Further, the automobile motor casing die casting die still includes die casting vacuum system, the position that keeps away from pouring gate 11 on the die cavity is provided with a plurality of exhaust ducts 14, all be provided with overflow launder 15 on a plurality of exhaust ducts 14, a plurality of overflow launders 15 all are close to the die cavity, all set up the exhaust stop valve on a plurality of exhaust ducts 14, can guarantee that the mould can collect sediment well and exhaust, provide the guarantee for high-quality part of high-efficient high yield production, simultaneously, a plurality of exhaust stop valves make die casting process realize the large-traffic exhaust of whole process, ensure that each position of this casing mould die cavity realizes extremely low gas residue, thereby reduce the probability of packing resistance and inner chamber parcel gas, die casting vacuum system's input communicates with a plurality of exhaust ducts 14, specifically, vacuum system's vacuum tank volume is 1000L, can guarantee to continue to provide stable vacuum source, above-mentioned setting can improve the exhaust effect, thereby avoid the place that the molten metal reachd first on the foundry goods to appear cold separation and gas pocket.
The movable die 7 is provided with a plurality of sliding blocks 16 in a sliding manner and is used for forming the outer side surface of the motor casing, and the movable die 7, the plurality of sliding blocks 16 and the fixed die 6 are provided with temperature control oil channels communicated with the output end of the die temperature machine and are used for controlling the temperature of the die so as to keep the die within a certain temperature range.
The motor shell is produced by using the die-casting die for the motor shell of the automobile, and the motor shell casting has smooth surface, no obvious defect and good surface quality, and the casting is subjected to trial processing and air tightness detection, so that the initial design requirement is met, and the requirements of customers are met.
To sum up, above-mentioned car motor casing die casting die adopts drum insert 8 to splice along the circumference of drum insert 8 by a plurality of arc pieces 9 and forms, and a plurality of arc pieces 9 all with movable mould 7 fixed connection towards the one end of movable mould 7, and the setting that can dismantle, in the production process of motor casing, when one of them arc piece 9 damages on the drum insert 8, only need dismantle it and change, need not drum insert 8 wholly change, can reduce manufacturing cost.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. The utility model provides an automobile motor casing die casting die which characterized in that: comprising the following steps: the fixed die is combined with the movable die to form a cavity for producing the motor casing, the fixed die is in butt joint with the movable die, a cylinder insert is arranged on the movable die and used for forming an annular cooling water channel, the cylinder insert is formed by a plurality of arc-shaped sheets along the periphery Xiang Pinjie of the cylinder insert, and the arc-shaped sheets face one end of the movable die and are fixedly connected with the movable die and can be detached.
2. The automobile motor casing die casting die according to claim 1, wherein: and scratch-proof coatings are arranged on the arc-shaped sheets.
3. The automobile motor casing die casting die according to claim 1, wherein: two cross runners are arranged on the fixed die, a plurality of pouring ports are arranged on each cross runner, and the pouring ports are uniformly distributed at equal intervals along the matching surface of the power output gearbox cover on the motor casing.
4. A die casting die for an automotive motor casing according to claim 3, characterized in that: the pouring opening is a olecranon type inner pouring gate.
5. A die casting die for an automotive motor casing according to claim 3, characterized in that: the cold chamber die casting machine is further arranged, and the output end of the cold chamber die casting machine is communicated with the two cross runners.
6. The automobile motor casing die casting die according to claim 5, wherein: the diameter of the punch of the cold chamber die casting machine is 100-150 mm.
7. The automobile motor casing die casting die according to claim 5, wherein: the fullness of the cold chamber on the cold chamber die casting machine is 50% -70%.
8. The automobile motor casing die casting die according to claim 5, wherein: the tonnage of the cold chamber die casting machine is 1500-2000 tons.
9. A die casting die for an automotive motor casing according to claim 3, characterized in that: the position of keeping away from on the die cavity the gate is provided with a plurality of exhaust ducts, and a plurality of all be provided with the overflow launder on the exhaust duct, a plurality of the overflow launder all is close to the die cavity, a plurality of all be provided with the exhaust stop valve on the exhaust duct.
10. The automobile motor casing die casting die according to claim 9, wherein: the die-casting vacuum system is characterized by further comprising a die-casting vacuum system, wherein the input end of the die-casting vacuum system is communicated with a plurality of exhaust channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310282211.8A CN116251938A (en) | 2023-03-22 | 2023-03-22 | Automobile motor casing die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310282211.8A CN116251938A (en) | 2023-03-22 | 2023-03-22 | Automobile motor casing die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116251938A true CN116251938A (en) | 2023-06-13 |
Family
ID=86684385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310282211.8A Pending CN116251938A (en) | 2023-03-22 | 2023-03-22 | Automobile motor casing die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116251938A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206230001U (en) * | 2016-11-23 | 2017-06-09 | 辽宁恒钰机械制造有限责任公司 | The Vacuuming structure of automobile engine cam bearing cover die casting |
| CN108607971A (en) * | 2018-07-25 | 2018-10-02 | 昆山众异特机械工业有限公司 | It is used to prepare the sand core, mold and die casting equipment of the electric machine casing of new-energy automobile |
| CN110142391A (en) * | 2019-05-29 | 2019-08-20 | 惠州市威盛工业有限公司 | A kind of straight water channel mould structure and its processing method |
| CN113333713A (en) * | 2021-07-06 | 2021-09-03 | 重庆理工大学 | Vacuum die-casting die for manufacturing shock absorption tower and vacuum die-casting method of shock absorption tower |
| CN215467999U (en) * | 2021-08-19 | 2022-01-11 | 重庆东科模具制造有限公司 | New energy automobile motor casing die casting die |
| CN114378273A (en) * | 2022-01-20 | 2022-04-22 | 厦门市佳嘉达机械有限公司 | Die casting die, die casting device and ultrahigh-speed die casting method |
| CN114603110A (en) * | 2022-03-25 | 2022-06-10 | 湛江德利车辆部件有限公司 | Front housing die-casting die and die-casting process thereof |
-
2023
- 2023-03-22 CN CN202310282211.8A patent/CN116251938A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206230001U (en) * | 2016-11-23 | 2017-06-09 | 辽宁恒钰机械制造有限责任公司 | The Vacuuming structure of automobile engine cam bearing cover die casting |
| CN108607971A (en) * | 2018-07-25 | 2018-10-02 | 昆山众异特机械工业有限公司 | It is used to prepare the sand core, mold and die casting equipment of the electric machine casing of new-energy automobile |
| CN110142391A (en) * | 2019-05-29 | 2019-08-20 | 惠州市威盛工业有限公司 | A kind of straight water channel mould structure and its processing method |
| CN113333713A (en) * | 2021-07-06 | 2021-09-03 | 重庆理工大学 | Vacuum die-casting die for manufacturing shock absorption tower and vacuum die-casting method of shock absorption tower |
| CN215467999U (en) * | 2021-08-19 | 2022-01-11 | 重庆东科模具制造有限公司 | New energy automobile motor casing die casting die |
| CN114378273A (en) * | 2022-01-20 | 2022-04-22 | 厦门市佳嘉达机械有限公司 | Die casting die, die casting device and ultrahigh-speed die casting method |
| CN114603110A (en) * | 2022-03-25 | 2022-06-10 | 湛江德利车辆部件有限公司 | Front housing die-casting die and die-casting process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 尹超林: "《压铸成型技术及模具 设计与实践》", 重庆大学出版社, pages: 37 * |
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