CN113385656A - Production die for producing motor shell and motor shell - Google Patents
Production die for producing motor shell and motor shell Download PDFInfo
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- CN113385656A CN113385656A CN202110622478.8A CN202110622478A CN113385656A CN 113385656 A CN113385656 A CN 113385656A CN 202110622478 A CN202110622478 A CN 202110622478A CN 113385656 A CN113385656 A CN 113385656A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 148
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000007493 shaping process Methods 0.000 claims description 31
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims description 10
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 2
- 238000007639 printing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 108010068370 Glutens Proteins 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- B22D17/2218—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
- B22D17/14—Machines with evacuated die cavity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to a production die for producing a motor shell and the motor shell thereof, which comprise a fixed die plate, a movable die plate, an ejector pin mechanism and a cooling oil circuit; the movable template comprises a cooling column head inserted in the motor shell, the cooling column head comprises a fixed column fixed with the fixed mold core, a cooling column arranged at the top end of the fixed column and a mounting ring used for positioning the cooling column on the fixed column; the cooling column cap is still including printing the inside cooling head that is formed with the defeated oil pipe way of multiunit through 3D, and the cooling head setting is on the collar head top, and the cooling column plug is in the cooling head middle part, defeated oil pipe way and cooling column communicate with the cooling oil circuit respectively. This application has the defeated oil pipe way through adopting 3D to print and can satisfy the different cooling demands of motor housing inner wall, realizes that this production mould can produce the effect of the motor housing of integration.
Description
Technical Field
The application relates to the field of electric automobile motor production equipment, in particular to a production die for producing a motor shell.
Background
The die casting mold is a tool for producing metal products; and is a tool for imparting complete structure and precise dimensions to the metal article. Die-casting is a process used in mass production of some parts with complex shapes. Specifically, molten metal is injected into a die cavity under high pressure by a die casting machine, and a formed product is obtained after cooling and solidification.
On the other hand, the motor of the electric automobile is an electromagnetic device for realizing the conversion or transmission of electric energy according to the law of electromagnetic induction, and mainly comprises a motor shell, a rotor, a stator and other parts arranged in the motor shell, and the outer side of the motor shell is also connected with a speed reducer shell.
In view of the above-mentioned related technologies, the inventor thinks that the current motor shell and the reducer shell are both separately arranged, and when the two shells need to be arranged into a whole, the thickness of the joint between the two shells is large, so that the current mold has a problem that the cooling effect of the joint between the two shells is not very ideal, and a large-size deformation difference or a long cooling time exists, so that the current processing mold cannot process an integrated motor shell.
Disclosure of Invention
In order to produce a one-piece motor housing, the application provides a production mold for producing a motor housing.
In a first aspect, the present application provides a production mold for producing a motor housing, which adopts the following technical solutions:
a production mould for producing motor casing includes
The fixed die plate comprises a fixed die core and a pouring pipe communicated with the fixed die core;
the fixed die plate comprises a movable die core and a plurality of groups of sliding block mechanisms which are arranged on the movable die plate and are used for forming the outer wall of the shell;
the thimble mechanism is arranged on the movable mould plate and can enter the cavity;
the cooling oil passages are distributed on the movable mold core and the movable mold core;
the movable template comprises a cooling column head inserted in the motor shell, the cooling column head comprises a shaping column fixed with the movable template, a cooling column arranged at the top end of the shaping column and a mounting ring used for positioning the cooling column to the shaping column;
the cooling column cap is still including the inside cooling head that is formed with the defeated oil pipe way of multiunit through 3D after printing, the cooling head sets up the collar head top, the cooling column plug-in connect in the cooling head middle part, defeated oil pipe way with the cooling column respectively with cooling oil circuit intercommunication.
By adopting the technical scheme, the motor shell is molded in the cavity, the movable die plate is opened, and the ejector pin mechanism ejects the motor shell out of the cavity. The motor shell can directly cool the connection part of the motor shell and the speed reducer shell through the cooling head on the cooling column cap in the molding and cooling process, and the product requirement which is met when the motor shell is molded by cooling can be ensured through the oil conveying pipeline which is arranged in the cooling head and designed according to the actual structure of the product. The cooling head can ensure that an oil conveying pipeline in the cooling head can be bent and extended through a 3D printing processing mode, and the cooling head is ensured to be more attached to a shell structure of the motor. On the other hand, the cooling column is further arranged on the cooling column head, and the cooling column and the cooling head are located on two cooling oil paths, so that on one hand, the cooling column can cool part of the shell of the motor, and meanwhile, a certain oil temperature difference can be kept for the cooling head, and the cooling effect of the cooling head is further prolonged after the temperature of the cooling head is reduced. Compared with the prior art, the production mold capable of producing the structural strength of the integrated motor shell is disclosed.
Optionally, a plurality of groups of vacuum exhaust mechanisms are arranged between the fixed mold core and the movable mold core, one side of each vacuum exhaust mechanism is communicated with the cavity, and the other side of each vacuum exhaust mechanism is communicated with an air vacuum machine.
Through adopting above-mentioned technical scheme, vacuum exhaust mechanism's setting can ensure that magnesium alloy avoids reacting with the air when pouring the die cavity in, and then ensures motor housing's production quality.
Optionally, the exhaust mechanism is including setting up first exhaust piece on the movable mould board, set up the second exhaust piece on the fixed die plate, be provided with the lug that the cross-section is the M type on the first exhaust piece, lug outer wall distribution has the multirow sand grip, be provided with the confession on the second exhaust piece the recess that the lug was pegged graft, the lug with form the air channel between the recess.
By adopting the technical scheme, the convex block and the groove are arranged into an M shape, and the convex strip arranged on the outer wall of the convex block prolongs the flow distance of air in a path, so that the air vacuum machine can completely pump out the air in the cavity in the later stage of vacuum pumping; on the other hand, the lug can prevent the liquid alloy from entering the vent groove excessively.
Optionally, a spiral cooling pin is arranged in the cooling column, an oil inlet hole communicated with a spiral groove formed in the outer wall of the spiral cooling pin is formed in one side of the cooling column, and an oil outlet hole communicated with an outflow cavity formed in the spiral cooling pin is formed in the other side of the cooling column.
Through adopting above-mentioned technical scheme, the spiral cooling round pin in the cooling column can increase the circulation route of cooling oil in the cooling back group, flows out from the outflow chamber in the spiral cooling round pin at last, has ensured that the cooling oil that is located the helicla flute is in lower temperature all the time, and then ensures the cooling demand.
Optionally, the other end of the shaping column relative to the cooling head penetrates through the movable mold core and is fixedly connected with the movable mold plate.
By adopting the technical scheme, the fixed mold column and the fixed mold core are arranged in a split manner, so that the processing and mounting difficulty of the fixed mold column and the fixed mold core can be reduced, and the processing cost of the fixed mold core and the fixed mold column is reduced; on the other hand, individual replacement of individual parts is facilitated, and the service lives of the rest parts are ensured.
Optionally, the sliding block mechanism includes a first sliding block set, a second sliding block set, a third sliding block set and a fourth sliding block set, and the first sliding block set, the second sliding block set, the third sliding block set and the fourth sliding block set all include a driving oil cylinder arranged on the moving die plate, a driving block arranged on the moving die plate in a sliding manner, and a forming block connected to the front end of the driving block and used for forming the outline of the outer wall of the housing.
Through adopting above-mentioned technical scheme, the shaping piece in first sliding block set, second sliding block set, third sliding block set and the fourth sliding block set realizes the shaping to motor housing outer wall, when needs are unloaded, according to in the same direction as the round pin, every shaping piece of driving cylinder operation and motor housing outer wall separation can.
Optionally, the fixed die plate orientation the one end of die cavity is provided with the design piece that is used for shaping speed reducer inner wall, decide the mold core the cooling column cap decide mold core and four groups slider mechanism forms the die cavity that is used for producing motor housing, design piece outer wall the design piece outer wall with cloth is equallyd divide to the cooling head outer wall has the radiating groove.
Through adopting above-mentioned technical scheme, the radiating groove that design piece outer wall, shaping piece outer wall and cooling head outer wall set up has increased the area of contact with motor housing, and then in the cooling process, plays the effect of accelerated cooling.
Optionally, an inclined pumping rod group is arranged on the third sliding block group and the fourth sliding block group, the inclined pumping rod group comprises an inclined pumping cylinder which is arranged on a shaping rod and a driving shaping rod in the cavity and is arranged on the driving block, and a travel switch for judging the position of the positioning rod is further arranged on one side of the inclined pumping cylinder.
By adopting the technical scheme, the inclined draw rod group is additionally provided with holes which can meet the condition that the shaft axis on the shell of the motor is staggered with the running direction of the driving oil cylinder. Whether the profile rod is completely pulled away is judged through the travel switch, and mutual interference between the profile rod and the electric vehicle shell when the driving block moves is avoided.
In a second aspect, the present application provides a motor housing,
the motor comprises a motor shell and a speed reducer shell integrally formed with the motor shell, wherein reinforcing strips formed through radiating grooves are formed on the inner wall and the outer wall of the motor shell and the inner wall and the outer wall of the speed reducer shell;
the motor shell and the speed reducer shell are made of magnesium alloy.
By adopting the technical scheme, the motor shell made of the magnesium alloy needs to ensure that the cavity needs to be vacuumized, and the liquid magnesium alloy is prevented from changing with air. On the other hand, through the arrangement of the heat dissipation grooves, the purpose of accelerating the cooling of the motor shell is achieved, and meanwhile, the purpose of increasing the structural strength of the shell is achieved through the reinforcing strips.
In summary, the present application includes at least one of the following beneficial technical effects: the different cooling demands of motor housing inner wall can be satisfied through the defeated oil pipeline that adopts 3D to print, realizes that this production mould can produce the motor housing of integration.
Drawings
Fig. 1 is a schematic view of the structure of a production mold.
Fig. 2 is a first structural schematic diagram of a production mold.
Fig. 3 is an exploded view of the stationary core and cooling stud.
Fig. 4 is a cross-sectional view of the cooling head.
FIG. 5 is a cross-sectional view of the stationary core and the cooling stud.
Fig. 6 is an enlarged schematic view of the portion a shown in fig. 3.
Fig. 7 is a schematic structural view of the movable die plate.
FIG. 8 is a schematic structural diagram of a fixed die plate.
Fig. 9 is a schematic structural view of the movable die plate without the fixed die core.
Fig. 10 is a structural schematic diagram II of a production mold for embodying the vent grooves.
Fig. 11 is a schematic structural view of a motor case.
Description of reference numerals: 1. fixing a template; 2. fixing a mold core; 3. pouring a pipe; 4. moving the template; 5. a cavity; 6. a movable mold core; 7. a slider mechanism; 8. a thimble mechanism; 9. cooling the oil path; 10. cooling the column head; 10-1, forming a column; 11. cooling the column; 11-1, mounting holes; 12. a mounting ring; 13. a cooling head; 14. an oil pipeline; 15. a vacuum exhaust mechanism; 16. a first exhaust block; 17. a second exhaust block; 18. a bump; 19. a convex strip; 20. a groove; 21. a vent channel; 22. a spiral cooling pin; 23. a helical groove; 24. an outflow lumen; 24-1, a flow-through chamber; 24-2, an annular groove; 25. an oil inlet hole; 26. an oil outlet hole; 27. a first slider group; 28. a second set of sliders; 29. a third slider group; 30. a fourth slider group; 31. a driving oil cylinder; 32. a drive block; 33. forming a block; 34. a shaping block; 35. a heat sink; 36. a diagonal draw-bar group; 37. a sizing rod; 38. an inclined oil pumping cylinder; 39. a travel switch; 40. a motor housing; 41. a speed reducer housing; 42. a reinforcing strip; 43. sealing the bottom plate; 44. and (5) a mould leg.
Detailed Description
The present application is described in further detail below with reference to figures 1-11.
The embodiment of the application discloses a production mould for producing a motor shell. Referring to fig. 1 and 2, the production mold for producing the motor housing includes a fixed mold plate 1, a movable mold plate 4, a back cover plate 43, mold legs 44, and an ejector pin mechanism 8 disposed on the mold legs 44 in sequence. The movable mould plate 4 is provided with a movable mould core 6, a group of cooling column heads 10 and four groups of slide block mechanisms 7 which are circumferentially distributed on the periphery of the movable mould core 6, the slide block mechanisms 7 are used for forming the outer wall of a shell of the motor, the cooling column heads 10 penetrate through the movable mould core 6, and on the other hand, the fixed mould plate 1 is provided with a fixed mould core 2 and a pouring pipe 3. The cooling column cap 10, the fixed die core 2 and the movable die core 6 are used for forming structures of inner walls at two ends of a motor shell, namely structures of the inner wall of the motor shell 40 and the inner wall of a speed reducer, finally a cavity 5 in the shape of the whole motor shell is formed at the relative position of the movable die plate 4 and the fixed die plate 1, the required motor shell is poured in the cavity 5 by pouring materials into the pouring pipe 3 on the fixed die plate 1, and the production die further comprises a cooling oil path 9 for cooling the motor shell.
Referring to fig. 3, the cooling column head 10 includes a shaped column 10-1 fixed relative to the movable mold plate 4, and a cooling head 13 disposed at the top end of the shaped column 10-1, the cooling head 13 is fixedly connected with the shaped column 10-1 through a mounting ring 12, on the other hand, a cooling column 11 is disposed at the top end of the shaped column 10-1, one end of the cooling column 11 is embedded at the top end of the shaped column 10-1, and the other end of the cooling column passes through the mounting ring 12 and enters the cooling head 13. The cooling column 11 is embedded at one end of the shaping column 10-1 and is provided with a column body with the pipe diameter larger than the inner diameter of the mounting ring 12, and then after the mounting ring 12 is fixed on the shaping column 10-1, the cooling column 11 is completely pressed and positioned. The whole cooling column cap 10 is inserted in the movable mold core 6 and is arranged in a split mode with the movable mold core 6, so that the machining cost of the mold is reduced, the cooling head 13 can be replaced by a new cooling head 13 after being used for multiple times, and the cooling effect is ensured.
Referring to fig. 4 and 5, the head between the cooling head 13 and the mounting ring 12 is fixedly connected through a bolt, and on the other hand, the body of the cooling head 13 is manufactured by a 3D printing technology, so that four groups of oil delivery pipelines 14 which are distributed in a bent manner are arranged on the inner wall of the cooling head 13, wherein the specific distribution of the oil delivery pipelines 14 can be set according to actual cooling requirements, the detachable connection of the cooling head 13 and the shaping column 10-1 realizes the replacement purpose, and meanwhile, the oil delivery pipelines 14 in the cooling head 13 can be changed for multiple times for realizing the most efficient cooling effect, and the design cost of the cooling head 13 at the beginning of the design is also reduced. The middle part of the cooling head 13 is in a through hole shape so as to be inserted into the cooling column 11, the cooling head 13 cools the shell of the motor through the oil conveying pipeline 14 of the cooling head 13, the temperature of the cooling column 11 can be cooled, and the requirement that the cooling head 13 has continuous low temperature is met.
Referring to fig. 5 and 6, a mounting hole 11-1 is formed in the middle of the cooling column 11, a spiral cooling pin 22 is disposed in the mounting hole 11-1, and an oil pipe (not shown) for communicating the spiral cooling pin 22 with the cooling oil path 9 is disposed in the shaping column 10-1. The spiral cooling pin 22 is provided with a spiral groove 23 on the outer wall, and the cooling column 11 is provided with an oil inlet 25 communicated with the tail end of the spiral groove 23, and the oil inlet 25 is communicated with an oil through pipe. The spiral cooling pin 22 is internally provided with an outflow cavity 24, the outflow cavity 24 comprises a circulation cavity 24-1 distributed along the axial lead of the spiral cooling pin 22 and an annular groove 24-2 arranged at the bottom of the spiral cooling pin 22, the inlet of the circulation cavity 24-1 is arranged at the top of the spiral cooling pin 22, the outlet is communicated with the annular groove 24-2, the cooling column 11 is also provided with an oil outlet 26 communicated with the outflow cavity 24 through the annular groove 24-2, and the oil outlet 26 is communicated with an oil pipe. The spiral groove 23 and the annular groove 24-2 are mutually independent through the sealing of the outer wall of the spiral cooling pin 22 and the inner wall of the mounting hole 11-1.
Referring to fig. 7, the slider mechanism 7 is provided with four sets, namely a first slider set 27, a second slider set 28, a third slider set 29 and a fourth slider set 30, wherein the first slider set 27, the second slider set 28, the third slider set 29 and the fourth slider set 30 each include a driving cylinder 31, a driving block 32 with one end fixed on a piston rod of the driving cylinder 31 and slidably arranged on the movable die plate 4, and a forming block 33 connected to the front end of the driving block 32 and used for forming the outline of the outer wall of the housing. The four sets of slider mechanisms 7 are substantially identical in structure and working principle, and are different in the structure of the top ends of the four forming blocks 33, and the structure is designed according to the specific contour of the outer wall of the motor shell. When core pulling is needed, core pulling is carried out sequentially, the specific core pulling process runs through the driving oil cylinder 31, a piston rod of the driving oil cylinder 31 drives the driving block 32 to slide on the movable mould plate 4, and finally the forming block 33 at the front end of the driving block 32 is driven to be sequentially separated from the motor shell.
Referring to fig. 7, in the present embodiment, a set of diagonal draw-bar sets 36 is respectively disposed on the third slider set 29 and the fourth slider set 30, the diagonal draw-bar sets 36 include a shaping rod 37 whose front end can be inserted into the cavity 5, a diagonal oil cylinder 38 for controlling the shaping rod 37 to be inserted into or pulled out of the cavity 5, and a stroke switch 39 disposed at the end of the diagonal oil cylinder 38, and the distance required for determining whether the shaping rod 37 is pulled out of the cavity 5 is achieved by the contact of the diagonal draw-bar switch at the end of the shaping rod 37.
Referring to fig. 8, a fixed block 34 is provided at one end of the fixed mold core 2 of the fixed mold plate 1 facing the cavity 5, the fixed block 34 is provided integrally with the fixed mold core 2 and is used for molding the structure inside the speed reducer housing 41, a plurality of cooling oil paths for cooling the inside of the motor housing are provided in the fixed mold core 2, and the cooling columns 11 are communicated with the cooling oil paths 9.
Referring to fig. 7 and 8, the fixed mold core 2, the cooling column head 10, the movable mold core 3 and the four sets of slider mechanisms 7 form a cavity 5 for producing a motor shell, and meanwhile, heat dissipation grooves 35 are distributed on the outer wall of the shaping block 34, the outer wall of the shaping block 33 and the outer wall of the cooling head 13, and contact gluten with the motor shell is enlarged through the heat dissipation grooves 35, so that the cooling effect is enhanced.
Referring to fig. 8 to 10, the fixed die plate 1 and the movable die plate 4 are each provided with a set of vacuum exhaust mechanisms 15 between the adjacent slide block mechanisms 7, and the vacuum exhaust mechanisms 15 respectively include a first exhaust block 16 provided on the movable die plate 4 and a second exhaust block 17 provided on the fixed die plate 1. Wherein, a convex block 18 with M-shaped section is arranged on the first exhaust block 16, a groove 20 for the convex block 18 to be inserted and matched is arranged on the second exhaust block 17, and a vent groove 21 is formed after the first exhaust block 16 and the second exhaust block 17 are folded. In order to increase the air circulation path of the ventilation slot 21, a plurality of convex strips 19 arranged according to the contour of the convex blocks 18 are arranged on the outer wall of the convex blocks 18. The first exhaust block 16 is communicated with a flow passage arranged on the movable mold core 6, the second exhaust block 17 is communicated with a flow passage arranged on the fixed mold core 2, and before the motor shell is poured, the air vacuum machine can vacuumize the air in the cavity 5 through the vacuum exhaust mechanism 15.
Referring to fig. 8, the ejector pin mechanism 8 is arranged at the tail end of the movable die plate 4, ejector pins in the ejector pin mechanism 8 penetrate through the movable die plate 4 and the movable die core 6 and can enter the cavity 5, after the movable die plate 4 and the fixed die plate 1 are opened, the four groups of slider mechanisms 7 are opened once, the motor shell and the movable die core 6 are separated from each other through the ejector pins, and the core pulling of the motor shell is completed. The distribution and operation process of the thimble mechanism 8 and the specific distribution design of the cooling oil circuit 9 can adopt the design in the prior art, and therefore, the description is not provided.
The second embodiment of the application discloses a motor shell, which is processed and produced by adopting the production die in the first embodiment. Referring to fig. 11, the motor housing includes a motor housing 40 and a reducer housing 41 provided integrally with the motor housing 40, a cavity in the motor housing 40 is insert-molded by the cooling stud 10, and a cavity in the reducer housing 41 is molded by the molding block 34. The motor shell is formed by pouring magnesium alloy, so that the motor shell has the characteristic of light weight, and on the other hand, the inner and outer walls of the motor shell 40 and the speed reducer shell 41 form reinforcing strips 42 through the heat dissipation grooves 35 in the production mold, so that the motor shell is ensured to have higher structural strength.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A production mould for producing motor housing which characterized in that: comprises that
The fixed die plate (1) comprises a fixed die core (2) and a pouring pipe (3) communicated with the fixed die core (2);
the casting mold comprises a movable mold plate (4), a cavity (5) communicated with the casting pipe (3) is formed between the fixed mold plate (1) and the movable mold plate (4), and the fixed mold plate (1) comprises a movable mold core (6) and a plurality of groups of slide block mechanisms (7) which are arranged on the movable mold plate (4) and used for molding the outer wall of the shell;
the ejector pin mechanism (8) is arranged on the movable mould plate (4) and can enter the cavity (5);
the cooling oil passages (9) are distributed on the movable mold core (6) and the movable mold core (6);
the movable template (4) comprises a cooling column head (10) inserted in the motor shell (40), the cooling column head (10) comprises a shaping column (10-1) fixed with the movable template (4), a cooling column (11) arranged at the top end of the shaping column (10-1), and a mounting ring (12) used for positioning the cooling column (11) to the shaping column (10-1);
cooling column cap (10) are still including cooling head (13) that are formed with the inside defeated oil circuit of multiunit (14) through 3D printing back, cooling head (13) set up collar (12) top, cooling column (11) are pegged graft cooling head (13) middle part, defeated oil circuit (14) with cooling column (11) respectively with cooling oil circuit (9) intercommunication.
2. A production mold for producing a motor case according to claim 1, characterized in that: a plurality of groups of vacuum exhaust mechanisms (15) are arranged between the fixed mold core (2) and the movable mold core (6), one side of each vacuum exhaust mechanism (15) is communicated with the cavity (5), and the other side of each vacuum exhaust mechanism is communicated with an air vacuum machine.
3. A production mold for producing a motor case according to claim 2, characterized in that: exhaust mechanism is including setting up first exhaust block (16), second exhaust block (17) of setting on fixed die plate (1) on movable mould board (4), be provided with lug (18) that the cross-section is the M type on first exhaust block (16), lug (18) outer wall distribution has multirow sand grip (19), be provided with the confession on second exhaust block (17) recess (20) that lug (18) were pegged graft, lug (18) with form air channel (21) between recess (20).
4. A production mold for producing a motor case according to claim 1, characterized in that: be provided with spiral cooling pin (22) in cooling column (11), cooling column (11) one side be provided with inlet port (25) of spiral groove (23) intercommunication that spiral cooling pin (22) outer wall set up, the opposite side be provided with oil outlet (26) of outflow chamber (24) intercommunication that spiral cooling pin (22) inside set up.
5. A production mold for producing a motor case according to claim 4, characterized in that: the other end of the shaping column (10-1) relative to the cooling head (13) penetrates through the movable mold core (6) and then is fixedly connected with the movable mold plate (4).
6. A production mold for producing a motor case according to claim 5, characterized in that: the sliding block mechanism (7) comprises a first sliding block group (27), a second sliding block group (28), a third sliding block group (29) and a fourth sliding block group (30), wherein the first sliding block group (27), the second sliding block group (28), the third sliding block group (29) and the fourth sliding block group (30) are respectively arranged on the movable template (4) through a driving oil cylinder (31), a driving block (32) and a forming block (33), the driving oil cylinder is arranged on the movable template (4), the driving block (32) is arranged on the movable template (4) in a sliding mode, and the forming block (33) is connected to the front end of the driving block (32) and is used for forming the outline of the outer wall of the motor.
7. A production mold for producing a motor case according to claim 6, characterized in that: decide template (1) orientation the one end of die cavity (5) is provided with the shaping piece (34) that is used for shaping speed reducer casing inner wall, decide die core (2) cooling column cap (10) decide die core (2) and four groups slider mechanism (7) form die cavity (5) that are used for producing motor casing, shaping piece (34) outer wall become piece (33) outer wall with cloth has radiating groove (35) is equallyd divide to cooling head (13) outer wall.
8. A production mold for producing a motor case according to claim 7, characterized in that: and the third sliding block group (29) and the fourth sliding block group (30) are provided with an inclined pumping rod group (36), the inclined pumping rod group (36) comprises a shaping rod (37) arranged in the cavity (5), an inclined pumping oil cylinder (38) arranged on the driving shaping rod (37) and installed on the driving block (32), and one side of the inclined pumping oil cylinder (38) is also provided with a travel switch (39) for judging the position of the positioning rod.
9. A motor case processed by using the production mold according to any one of claims 6 to 8, characterized in that:
the motor comprises a motor shell (40) and a speed reducer shell (41) which is integrally formed with the motor shell (40), wherein reinforcing strips (42) formed through heat dissipation grooves (35) are formed on the inner wall and the outer wall of the motor shell (40) and the inner wall and the outer wall of the speed reducer shell (41);
the motor shell (40) and the speed reducer shell (41) are made of magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110622478.8A CN113385656A (en) | 2021-06-03 | 2021-06-03 | Production die for producing motor shell and motor shell |
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| CN114603113A (en) * | 2022-05-09 | 2022-06-10 | 浙江华朔科技股份有限公司 | Mold for manufacturing automobile front shell |
| CN114603112A (en) * | 2022-05-09 | 2022-06-10 | 浙江华朔科技股份有限公司 | Integrated die for manufacturing multiple shells |
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