CN215467999U - New energy automobile motor casing die casting die - Google Patents
New energy automobile motor casing die casting die Download PDFInfo
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- CN215467999U CN215467999U CN202121954859.8U CN202121954859U CN215467999U CN 215467999 U CN215467999 U CN 215467999U CN 202121954859 U CN202121954859 U CN 202121954859U CN 215467999 U CN215467999 U CN 215467999U
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- 238000004512 die casting Methods 0.000 title claims abstract description 27
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims description 91
- 238000007599 discharging Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 25
- 238000009826 distribution Methods 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a new energy automobile motor casing die-casting die, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly is provided with a main pouring gate, a cavity is arranged between the lower die assembly and the upper die assembly, and the lower die assembly comprises: the lower die main body is provided with a mounting groove; the lower die core group is inserted into the mounting groove and detachably connected with the lower die main body, and a limiting groove is formed in the inner side wall of the first insertion channel; the water channel insert module comprises an inner core column, water channel insert pieces and limiting blocks, wherein the inner core column is provided with a first convex part and a second convex part arranged on the top surface of the first convex part, the water channel insert pieces are arranged into a plurality of insert pieces in a parallel winding mode and are arranged on the inner core column, insert piece holes are formed in the side walls of the water channel insert pieces, and the limiting blocks are inserted into the insert piece holes and limiting grooves. Through the structure, the die-casting die disclosed by the utility model can be used for forming the water channel of the motor shell, and the water channel does not need to be formed by carrying out a large amount of machining on the motor shell, so that the machining amount of the motor shell can be reduced, and the production cost of the motor shell can be further reduced.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die-casting die for a motor shell of a new energy automobile.
Background
Compared with the traditional automobile, the new energy automobile has newly increased core spare part such as motor assembly, and to the motor assembly of high performance output, motor casing is its key spare part, for realizing motor casing's batch production, generally adopts cast mode to produce motor casing, then carries out some machining with motor casing in order to satisfy the assembly requirement. The new energy motor can produce a large amount of heats when moving, consequently needs set up water-cooling structure and dispels the heat. The water channel of the old motor is formed by matching two parts of an inner shell and an outer shell, but the inner shell and the outer shell need to have high matching precision, otherwise, the leakage of cooling liquid is easy to occur. Referring to fig. 1, in some modern motor housings, which have a water channel 51, a coolant is introduced into the water channel 51 to cool the rotor of the motor, and in some motor housings, the motor housing is produced by casting, and then the water channel 51 is formed by machining the motor housing, so that the machining amount is large, which results in high production cost of the motor housing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a die-casting die for a motor shell of a new energy automobile, which can reduce the machining amount of the motor shell.
In order to realize above-mentioned purpose, provide a new energy automobile motor casing die casting die, including last mould subassembly and lower mould subassembly, it has the owner to go up the mould subassembly and waters, the die cavity has between lower mould subassembly and the last mould subassembly, lower mould subassembly includes: the lower die main body is provided with a mounting groove; the lower die core group is inserted into the mounting groove and detachably connected with the lower die main body, a first insertion channel and a slag ladle runner communicated with the die cavity are arranged on the top surface, a limiting groove is formed in the inner side wall of the first insertion channel, and the limiting groove extends downwards to the bottom surface of the lower die core group; the water channel insert module comprises an inner core column, water channel insert pieces and limiting blocks, wherein the inner core column is provided with a first convex part and a second convex part arranged on the top surface of the first convex part, the first convex part is inserted into a first insertion channel and is detachably connected with a lower die main body, the width of the first convex part is larger than that of the second convex part, the water channel insert pieces are arranged into a plurality of parallel winding inner core columns, the bottom of each water channel insert piece is inserted between the inner side wall of the first insertion channel and the first convex part, the side wall of each water channel insert piece is provided with an insert hole, and the limiting blocks are inserted into the insert holes and limiting grooves.
According to the die-casting die for the motor shell of the new energy automobile, two slag ladle runners are arranged and are respectively arranged on two sides of a cavity.
According to the die-casting die for the motor casing of the new energy automobile, the slag ladle runner comprises a slag discharging main runner, a first slag discharging branch runner, a second slag discharging branch runner and a slag collecting groove, the slag collecting groove is formed into a plurality of parallel winding inner core columns, each slag collecting groove is communicated with the cavity, one slag collecting groove and the slag discharging main runner are connected in series through the first slag discharging branch runner, the rest slag collecting grooves are connected in series through the second slag discharging branch runner, and the second slag discharging branch runner is further connected with the slag discharging main runner.
According to the die-casting die for the motor casing of the new energy automobile, the lower die core group comprises a first bottom insert, a second bottom insert and a third bottom insert, the first bottom insert and the second bottom insert are arranged in a surrounding mode to form a first inserting channel, the slag discharging main flow channel is arranged on the first bottom insert and the second bottom insert, the third bottom insert is provided with a slag ladle groove, and the slag ladle groove is communicated with the end portion of the slag discharging main flow channel.
According to the die-casting die for the motor casing of the new energy automobile, the first bottom insert, the second bottom insert, the third bottom insert and the inner core column are all provided with ejection holes, and ejector pins are inserted into the ejection holes.
According to the die-casting die for the motor casing of the new energy automobile, the upper die assembly comprises an upper die main body and an upper die core group arranged on the upper die main body, the upper die core group is provided with two liquid inlet flow passages communicated with the main pouring channel and the cavity, and the two liquid inlet flow passages are respectively arranged on two sides of the cavity.
According to the die-casting die for the motor casing of the new energy automobile, the liquid inlet flow channel comprises a liquid-separating main flow channel and branch flow channels, the branch flow channels are arranged in a plurality of parallel winding mode and arranged around the cavity, and each branch flow channel is communicated with the liquid-separating main flow channel and the cavity.
According to the die-casting die for the motor casing of the new energy automobile, the upper die core group comprises a first upper insert and a second upper insert, the liquid inlet flow channel is arranged on the first upper insert, and the second upper insert is located above the third bottom insert and provided with an insert convex part extending into the slag ladle groove.
According to the die-casting die for the motor casing of the new energy automobile, the lower die main body is provided with the parting groove on the side of the cavity, the parting groove is internally provided with the parting module, and the parting module comprises: the mounting seat is arranged on the outer side wall of the lower die main body; the limiting strip is arranged on the inner side wall of the parting groove; the guide block is arranged in the parting groove in a sliding mode and provided with a guide part, and the guide part is positioned between the bottom surface of the limiting strip and the bottom surface of the parting groove; the core block is arranged on one side of the guide block close to the cavity; and the cylinder is arranged on the mounting seat and connected with the guide block.
The scheme has at least one of the following beneficial effects: by the structure, the water channel insert module is arranged, so that the die-casting die disclosed by the utility model can be used for forming the water channel of the motor shell without carrying out a large amount of machining on the motor shell to form the water channel, the machining amount of the motor shell can be reduced, and the production cost of the motor shell can be further reduced; the water channel embedded pieces can be replaced after the lower die core group is removed, so that the maintenance of the die is convenient.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples;
figure 1 shows a cross-sectional view of a motor housing;
FIG. 2 is a block diagram of an embodiment of the present invention;
FIG. 3 is a block diagram of the upper mold assembly with the upper mold assembly removed in accordance with an embodiment of the present invention;
FIG. 4 is an exploded view of the upper die assembly with the upper die assembly removed in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the parting module and the parting groove of the embodiment of the utility model;
FIG. 6 is an exploded view of the lower die assembly of an embodiment of the present invention;
FIG. 7 is a top view of a lower core set in accordance with an embodiment of the present invention;
FIG. 8 is a block diagram of a top die assembly according to an embodiment of the present invention;
fig. 9 is a bottom view of the upper core set in accordance with an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 2 to 9, the die-casting mold for the motor casing of the new energy automobile comprises an upper mold assembly 10 and a lower mold assembly 20, wherein the upper mold assembly 10 is provided with a main runner 111, and a cavity is formed between the lower mold assembly 20 and the upper mold assembly 10. Wherein, lower mould subassembly 20 includes lower mould main part 21, lower mould benevolence group 22 and water course mold insert module 23, be provided with mounting groove 211 in the lower mould main part 21, lower mould benevolence group 22 is inserted and is located mounting groove 211, and lower mould benevolence group 22 passes through the bolt detachable connection with lower mould main part 21, the top surface of lower mould benevolence group 22 is equipped with first cartridge passageway 25 and the sediment package runner 26 of intercommunication die cavity, the inside wall of first cartridge passageway 25 is equipped with spacing groove 251, spacing groove 251 downwardly extending to the bottom surface of lower mould benevolence group 22. The waterway insert module 23 includes an inner core column 231, waterway inserts 232 and stoppers 233, the inner core column 231 has a first protrusion 2311 and a second protrusion 2312 arranged on the top surface of the first protrusion 2311, the first protrusion 2311 is inserted into the first insertion channel 25 and detachably connected with the lower die main body 21 through a bolt, the width of the first protrusion 2311 is larger than that of the second protrusion 2312, the waterway inserts 232 are arranged in a plurality and are arranged around the inner core column 231, the bottom of the waterway inserts 232 is inserted between the inner side wall of the first insertion channel 25 and the first protrusion 2311, insert holes 2321 are formed in the side wall of the waterway inserts 232, and the stoppers 233 are inserted into the insert holes 2321 and the stopper grooves 251.
The inner side wall of first insertion channel 25 and first protrusion 2311 serve to restrict lateral movement of waterway insert 232, restricting upward movement of waterway insert 232 by the engagement of stopper 233 and retaining groove 251, and thereby positioning waterway insert 232. The waterway insert 232 is formed to form a waterway of the motor housing, and a space between the waterway insert 232 and the second boss 2312 is formed to form an inner wall of the waterway, and an outer wall of the waterway is formed to an outer side of the waterway insert 232. Therefore, through the structure, the die-casting die disclosed by the utility model can be used for forming the water channel of the motor shell, and the water channel does not need to be formed by carrying out a large amount of machining on the motor shell, so that the machining amount of the motor shell can be reduced, and the production cost of the motor shell can be further reduced. In addition, because the thickness of the water channel insert 232 is smaller and the contact area with the formed product is larger, the water channel insert 232 is easy to wear, in the structure, the water channel insert 232 can be replaced after the lower die core group 22 is dismounted, and the maintenance of the die is convenient. Channel insert 232 is provided in plurality, and channel insert 232 can be replaced individually when a certain channel insert 232 is damaged, thereby reducing maintenance costs of the mold.
The two slag ladle runners 26 are arranged on two sides of the cavity respectively, so that slag can be discharged more uniformly during production of the die, and the quality of a finished product is improved. Each slag ladle flow channel 26 includes a slag discharge main flow channel 261, a first slag discharge branch flow channel 262, a second slag discharge branch flow channel 263 and a slag collection groove 264, the slag collection grooves 264 are provided in a plurality and are arranged around the inner core column 231, each slag collection groove 264 is communicated with the cavity, one of the slag collection grooves 264 is connected in series with the slag discharge main flow channel 261 through the first slag discharge branch flow channel 262, the rest of the slag collection grooves 264 are connected in series through the second slag discharge branch flow channel 263, and the second slag discharge branch flow channel 263 is further connected with the slag discharge main flow channel 261. The width of the slag collection groove 264 is larger than the widths of the first and second slag discharge branch runners 262 and 263.
For example, referring to fig. 7, one of the ladle runners 26 includes four slag collecting grooves 264, the four slag collecting grooves 264 are sequentially arranged, one slag collecting groove 264 at an end portion is connected in series with the slag discharging main runner 261 through the first slag discharging branch runner 262, and the remaining three slag collecting grooves 264 are sequentially arranged and connected in series through the second slag discharging branch runner 263. The other slag ladle flow channel 26 includes three slag collecting grooves 264, the three slag collecting grooves 264 are arranged in sequence, one slag collecting groove 264 located at the end is connected in series with the slag discharging main flow channel 261 through the first slag discharging branch flow channel 262, and the remaining two slag collecting grooves 264 are connected in series through the second slag discharging branch flow channel 263. Of course, each slag ladle channel 26 may also include other numbers of slag chutes 264, such as 3, 5, etc.
The lower mold core set 22 comprises a first bottom insert 221, a second bottom insert 222 and a third bottom insert 223, the first bottom insert 221 and the second bottom insert 222 are surrounded to form the first insertion channel 25, the slag discharging main flow channel 261 is arranged on the first bottom insert 221 and the second bottom insert 222, the third bottom insert 223 is provided with a slag ladle groove 265, and the slag ladle groove 265 is communicated with the end of the slag discharging main flow channel 261. During production, the slag liquid flows through the slag collection groove 264, the first slag discharge branch flow passage 262, the second slag discharge branch flow passage 263, the slag discharge main flow passage 261 and the slag ladle groove 265, so that the slag liquid is fully and uniformly discharged, and the quality of a finished product is improved.
The upper die assembly 10 includes an upper die body 11 and an upper die core set 12 disposed on the upper die body 11, the main runner 111 is disposed on the upper die body 11, and the upper die core set 12 has a liquid inlet flow channel 13 communicating the main runner 111 with the cavity. The two liquid inlet flow channels 13 are arranged on two sides of the cavity respectively to uniformly feed liquid into the cavity.
Each liquid inlet flow channel 13 comprises a liquid distribution main flow channel 131 and branch flow channels 132, the branch flow channels 132 are arranged in a plurality of parallel winding mode, each branch flow channel 132 is communicated with the liquid distribution main flow channel 131 and the cavity, and the liquid distribution main flow channel 131 is communicated with the main pouring channel 111.
For example, referring to fig. 9, one of the liquid inlet channels 13 includes a main liquid dividing channel 131 and four branch channels 132, and the other liquid inlet channel 13 includes a main liquid dividing channel 131 and five branch channels 132. Of course, each of the inlet channels 13 may also include other numbers of branch channels 132, such as 4, 6, etc.
The upper die core group 12 comprises a first upper insert 121 and a second upper insert 122, the liquid inlet flow channel 13 is arranged on the first upper insert 121, the second upper insert 122 is positioned above the third bottom insert 223 and is provided with an insert convex part 123 extending into the slag ladle groove 265, the flow resistance of slag liquid can be properly improved by arranging the insert convex part 123, and pressure maintaining is facilitated.
The lower die comprises a lower die body 21 and is characterized in that a parting groove 212 is formed in the lower die body 21, the parting groove 212 is located on the side of a die cavity, and a parting module 40 is arranged in the parting groove 212. specifically, the parting module 40 comprises an installation seat 41, a limiting strip 42, a guide block 43, a core block 44 and an air cylinder 45, the installation seat 41 is arranged on the outer side wall of the lower die body 21, the limiting strip 42 is arranged on the inner side wall of the parting groove 212, the guide block 43 is arranged in the parting groove 212 in a sliding mode, guide portions 431 are arranged on two sides of the guide block 43, the guide portions 431 are located between the bottom surface of the limiting strip 42 and the bottom surface of the parting groove 212, the core block 44 is arranged on one side, close to the die cavity, of the guide block 43, and the air cylinder 45 is arranged on the installation seat 41 and connected with the guide block 43. The core pulling structure is used for forming a hole groove structure on the side of the motor shell.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. The utility model provides a new energy automobile motor casing die casting die, includes last mould subassembly (10) and lower mould subassembly (20), it waters (111) mainly to go up mould subassembly (10), lower mould subassembly (20) and last mould subassembly (10) between have the die cavity, its characterized in that, lower mould subassembly (20) includes:
a lower die main body (21) provided with a mounting groove (211);
the lower die core group (22) is inserted into the mounting groove (211) and detachably connected with the lower die main body (21), a first insertion channel (25) and a slag ladle runner (26) communicated with the die cavity are arranged on the top surface, a limiting groove (251) is arranged on the inner side wall of the first insertion channel (25), and the limiting groove (251) extends downwards to the bottom surface of the lower die core group (22);
the waterway insert module (23) comprises an inner core column (231), waterway inserts (232) and limit blocks (233), wherein the inner core column (231) is provided with first protrusions (2311) and second protrusions (2312) arranged on the top surfaces of the first protrusions (2311), the first protrusions (2311) are inserted into first insertion channels (25) and detachably connected with a lower die main body (21), the width of the first protrusions (2311) is larger than that of the second protrusions (2312), the waterway inserts (232) are arranged in a plurality of parallel connection with the inner core column (231), the bottoms of the waterway inserts (232) are inserted between the inner side wall of the first insertion channel (25) and the first protrusions (2311), insert holes (2321) are formed in the side wall of the waterway inserts (232), and the limit blocks (233) are inserted into the insert holes (2321) and limit grooves (251).
2. The die-casting die for the motor casing of the new energy automobile is characterized in that the two slag ladle runners (26) are arranged on two sides of the die cavity respectively.
3. The die-casting die for the motor casing of the new energy automobile is characterized in that the slag ladle runner (26) comprises a slag discharging main runner (261), a first slag discharging branch runner (262), a second slag discharging branch runner (263) and a slag collecting groove (264), the slag collecting groove (264) is arranged in a plurality of positions and is arranged around the inner core column (231), each slag collecting groove (264) is communicated with the cavity, one slag collecting groove (264) is connected with the slag discharging main runner (261) in series through the first slag discharging branch runner (262), the rest slag collecting grooves (264) are connected with the slag discharging main runner (261) in series through the second slag discharging branch runner (263), and the second slag discharging branch runner (263) is further connected with the slag discharging main runner (261).
4. The die-casting die for the motor casing of the new energy automobile is characterized in that the lower die core set (22) comprises a first bottom insert (221), a second bottom insert (222) and a third bottom insert (223), the first bottom insert (221) and the second bottom insert (222) are arranged in a surrounding mode to form the first insertion channel (25), the slag discharging main flow channel (261) is arranged on the first bottom insert (221) and the second bottom insert (222), the third bottom insert (223) is provided with a slag ladle groove (265), and the slag ladle groove (265) is communicated with the end portion of the slag discharging main flow channel (261).
5. The die-casting die for the motor casing of the new energy automobile is characterized in that the first bottom insert (221), the second bottom insert (222), the third bottom insert (223) and the inner core column (231) are provided with ejection holes (271), and an ejector pin (272) is inserted into each ejection hole (271).
6. The die-casting die for the motor casing of the new energy automobile is characterized in that the upper die assembly (10) comprises an upper die main body (11) and an upper die core group (12) arranged on the upper die main body (11), the upper die core group (12) is provided with two liquid inlet flow passages (13) communicated with a main pouring channel (111) and a cavity, and the two liquid inlet flow passages (13) are respectively arranged on two sides of the cavity.
7. The die-casting die for the motor casing of the new energy automobile is characterized in that the liquid inlet flow channel (13) comprises a main liquid distribution flow channel (131) and branch flow channels (132), the branch flow channels (132) are arranged in a plurality and are arranged around the die cavity, and each branch flow channel (132) is communicated with the main liquid distribution flow channel (131) and the die cavity.
8. The die-casting die for the motor casing of the new energy automobile is characterized in that the upper die core set (12) comprises a first upper insert (121) and a second upper insert (122), the liquid inlet flow channel (13) is arranged on the first upper insert (121), the second upper insert (122) is positioned above the third bottom insert (223) and is provided with an insert convex part (123) extending into the slag ladle groove (265).
9. The die-casting die for the motor casing of the new energy automobile as claimed in any one of claims 1 to 5, wherein a parting groove (212) is formed in the side of a cavity of the lower die main body (21), a parting module (40) is arranged in the parting groove (212), and the parting module (40) comprises:
a mounting seat (41) arranged on the outer side wall of the lower die main body (21);
the limiting strip (42) is arranged on the inner side wall of the parting groove (212);
the guide block (43) is arranged in the parting groove (212) in a sliding mode and provided with a guide part (431), and the guide part (431) is located between the bottom surface of the limiting strip (42) and the bottom surface of the parting groove (212);
a core block (44) arranged on one side of the guide block (43) close to the cavity;
and the air cylinder (45) is arranged on the mounting seat (41) and is connected with the guide block (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121954859.8U CN215467999U (en) | 2021-08-19 | 2021-08-19 | New energy automobile motor casing die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121954859.8U CN215467999U (en) | 2021-08-19 | 2021-08-19 | New energy automobile motor casing die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215467999U true CN215467999U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121954859.8U Active CN215467999U (en) | 2021-08-19 | 2021-08-19 | New energy automobile motor casing die casting die |
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| Country | Link |
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| CN (1) | CN215467999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116251938A (en) * | 2023-03-22 | 2023-06-13 | 重庆东科模具制造有限公司 | Automobile motor casing die casting die |
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2021
- 2021-08-19 CN CN202121954859.8U patent/CN215467999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116251938A (en) * | 2023-03-22 | 2023-06-13 | 重庆东科模具制造有限公司 | Automobile motor casing die casting die |
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