CN117444173A - Motor rotor die casting device and method - Google Patents
Motor rotor die casting device and method Download PDFInfo
- Publication number
- CN117444173A CN117444173A CN202311534126.2A CN202311534126A CN117444173A CN 117444173 A CN117444173 A CN 117444173A CN 202311534126 A CN202311534126 A CN 202311534126A CN 117444173 A CN117444173 A CN 117444173A
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- thick bamboo
- pressure section
- die casting
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- 238000004512 die casting Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 52
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 52
- 241001330002 Bambuseae Species 0.000 claims description 52
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 52
- 239000011425 bamboo Substances 0.000 claims description 52
- 238000003756 stirring Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 7
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 abstract description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- 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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of die casting devices and discloses a motor rotor die casting device and a motor rotor die casting method, wherein the motor rotor die casting device comprises a machine shell body, a first hydraulic cylinder is fixedly connected to the top of the machine shell body, a first pressing cylinder is fixedly connected to the output end of the first hydraulic cylinder, a second pressing cylinder is slidably connected to the inside of the first pressing cylinder, a male die is fixedly connected to the bottom of the second pressing cylinder, a female die is arranged at the bottom of the male die, one side of the female die is fixedly connected with the machine shell body, a liquid inlet pipe is arranged at the top of one side of the first pressing cylinder, and the problems that when the temperature of a die is too high, the fluidity of metal liquid in the first pressing cylinder is influenced, so that the metal liquid cannot uniformly fill a die cavity, the quality of a die casting is unstable, the cooling time is prolonged, the production period is prolonged, the production efficiency is reduced, air holes, shrinkage holes, deformation and the like are possibly generated due to the too high temperature, and the defective product rate is increased are solved.
Description
Technical Field
The invention relates to the technical field of die casting, in particular to a device and a method for die casting a motor rotor.
Background
Die casting is a method for efficiently and inexpensively producing large quantities of metal parts of complex shapes. In die casting, molten metal is poured into a metal mold, the mold is filled by pressurization, the casting is removed from the mold after the metal has cooled, and the motor rotor, which is the core component of the motor, is the part responsible for rotation. The motor rotor is usually made of conductors and magnetic materials, and has the main function of converting electric energy into mechanical energy to realize the rotation of the motor, wherein the motor rotor can be molded by die casting, and the advantages include: high production speed, good surface quality, high dimensional accuracy, high material utilization rate and the like. The hot chamber die casting is that metal is put into a preheated container to be melted, then the metal is injected into a die through pressure, and the hot chamber die casting is suitable for producing small and fine parts, in a word, the die casting is a technology widely applied to industrial manufacturing, has the advantages of high efficiency, low cost, high precision and high quality, is suitable for production of motor rotors, the existing die casting device needs to be used for die casting and forming high-temperature metal solution, the continuous production of motor rotors has higher requirements on heat dissipation of the die casting die, when the temperature of the die is too high, the fluidity of the internal metal solution can be influenced, so that the metal solution cannot uniformly fill a die cavity, the quality of a die casting is unstable, the cooling time is increased, the production period is prolonged, the production efficiency is reduced, and defects such as air holes, shrinkage holes, deformation and the like can be generated due to the too high temperature, so that the defective rate is increased.
Disclosure of Invention
The invention provides a motor rotor die casting device and a motor rotor die casting method, which have the beneficial effects of timely heat dissipation, and solve the problems that when the temperature of a die is too high, the fluidity of molten metal in the die is influenced, so that the molten metal cannot uniformly fill a die cavity of the die, the quality of a die casting is unstable, the cooling time is prolonged, the production period is prolonged, the production efficiency is reduced, and defects such as air holes, shrinkage holes, deformation and the like are possibly generated due to the too high temperature, so that the defective rate is increased.
The invention provides the following technical scheme: the utility model provides a motor rotor die casting device and method, includes the casing body, the top fixedly connected with first pneumatic cylinder of casing body, the output fixedly connected with first pressure section of thick bamboo of first pneumatic cylinder, the inside sliding connection of first pressure section of thick bamboo has the second pressure section of thick bamboo, the bottom fixedly connected with terrace die of second pressure section of thick bamboo, the bottom of terrace die is provided with the die, one side and the casing body fixed connection of die, the top of first pressure section of thick bamboo one side is provided with the feed liquor pipe, the one end intercommunication of feed liquor pipe has the check valve, the one end and the first pressure section of thick bamboo of check valve are linked together, the top intercommunication of first pressure section of thick bamboo opposite side has first fluid-discharge tube, the one end intercommunication of first fluid-discharge tube has the connecting pipe, the radiating groove has been seted up to the inside of die, the one end and the radiating groove intercommunication, the one end intercommunication of radiating groove has the drain pipe.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the liquid tank has been seted up to one side at second pressure section of thick bamboo top, the top intercommunication of second pressure section of thick bamboo one side has the second fluid-discharge tube, the inside sliding connection of second pressure section of thick bamboo has first push pedal, one side fixedly connected with first spring of first push pedal, the inner wall fixed connection of first spring and second pressure section of thick bamboo.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: one side fixedly connected with fixed bolster at first pressure section of thick bamboo top, the inside sliding connection of fixed bolster has the backup pad, one side fixedly connected with second spring of backup pad, the one end and the fixed bolster fixed connection of second spring, the other end fixedly connected with spliced pole of second spring, the one end fixedly connected with closing plate of spliced pole, closing plate and first fluid-discharge tube contact.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the inside of second fluid-discharge tube is provided with the fixed axle, one side fixedly connected with first link of fixed axle, the both ends of first link all with the inner wall fixed connection of second fluid-discharge tube, the outside fixedly connected with transmission flabellum of fixed axle, the quantity of transmission flabellum is a plurality of, and a plurality of transmission flabellum is annular evenly distributed, the opposite side fixedly connected with extension post of fixed axle.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: one end fixedly connected with first awl tooth of extension post, one side meshing of first awl tooth is connected with the second awl tooth, one side of second awl tooth is connected with the inner wall rotation of second pressure section of thick bamboo through the pivot, the opposite side fixedly connected with stirring post of second awl tooth, the outside fixedly connected with fixed cover of stirring post, the outside fixedly connected with stirring rake of fixed cover.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the outside sliding connection of extension post has the cover that consolidates, one side fixedly connected with second link of cover, the one end of second link and the inner wall fixed connection of second pressure section of thick bamboo.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the inside of terrace die is filled with heat conduction oil, first heat conduction groove has been seted up to the bottom of second pressure section of thick bamboo, first heat conduction groove is linked together with the terrace die, the inside sliding connection of second pressure section of thick bamboo has the transmission post, the one end of transmission post extends to the inside of terrace die and fixedly connected with second push pedal, the outside sliding connection of second push pedal has a fixed sleeve, fixed sleeve's one end and second pressure section of thick bamboo fixed connection, one side fixedly connected with third spring of second push pedal, the one end and the inner wall fixed connection of terrace die of third spring.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the bottom fixedly connected with heat conduction post of second pressure section of thick bamboo inner wall, the quantity of heat conduction post is a plurality of, and a plurality of the heat conduction post is annular evenly distributed, the second heat conduction groove with heat conduction post clearance fit has been seted up at the top of second pressure section of thick bamboo inner wall.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the bottom of casing body embeds has the second pneumatic cylinder, the output fixedly connected with third push pedal of second pneumatic cylinder, the third push pedal is located the inside of die.
As an alternative to the apparatus and method for die casting a motor rotor according to the present invention, the following is adopted: the method comprises the following steps of;
s1, pouring a heated metal solution into a female die in the shape of a motor rotor, wherein the pouring speed needs to be adjusted to ensure that the die is fully filled;
s2, after the metal solution fills the die, the first hydraulic cylinder is started to push the male die to be matched with the female die, and high pressure is applied to fully compact the metal solution in the female die so as to eliminate any possible air or shrinkage cavity;
and S3, after the metal solution fills the female die and is compacted, opening the female die and waiting for cooling the casting for enough time so that the casting can be easily taken out from the die, and further completing die casting of the motor rotor.
The invention has the following beneficial effects:
1. according to the motor rotor die casting device and the motor rotor die casting method, through the arrangement of the liquid inlet pipe, the one-way valve, the connecting pipe, the heat dissipation groove and the liquid outlet pipe, water flows into the first pressing cylinder after passing through the one-way valve, then flows into the second pressing cylinder through the liquid groove, the first push plate is extruded to move downwards when the water pressure is high, more water flows enter the second pressing cylinder, when the first pressing cylinder moves to the bottommost end, the second liquid outlet pipe on one side of the first pressing cylinder can push the sealing plate to move upwards, at the moment, the water flows in the first pressing cylinder can flow into the connecting pipe through the first liquid outlet pipe, flows around the female die through the spiral heat dissipation groove for a plurality of circles and is discharged through the liquid outlet pipe, cooling and heat dissipation of the first pressing cylinder, the second pressing cylinder and the female die are completed, and the processing efficiency of the motor rotor can be improved.
2. According to the motor rotor die casting device and the motor rotor die casting method, through the arrangement of the transmission fan blades and the stirring paddles, after water flow in the second pressure cylinder is discharged through the second liquid discharge pipe, the flowing water flow pushes the transmission fan blades to rotate, the transmission fan blades push the extension column to rotate after rotating, the extension column pushes the first conical teeth to rotate, the first conical teeth drive the second conical teeth to rotate, the second conical teeth drive the stirring column to rotate, the stirring column drives the stirring paddles to rotate, the stirring paddles stir the water flow in the second pressure cylinder after rotating in the second pressure cylinder, the water flow in the second pressure cylinder flows fast, the flowing water flow can fast exchange heat with the second pressure cylinder, heat of the second pressure cylinder is taken away, and the effect of fast and uniform heat dissipation of the second pressure cylinder is achieved.
3. According to the motor rotor die casting device and the motor rotor die casting method, through setting the heat conduction oil, after the first push plate is pressed downwards by larger water pressure, the first push plate is in contact with the transmission column, then the transmission column is pushed downwards, the transmission column pushes the second push plate to downwards move, the second push plate pushes the heat conduction oil in the fixed sleeve, the heat conduction oil in the male die moves upwards through the first heat conduction groove, the heat conduction oil takes away the heat of the male die, then the heat exchange is carried out between the heat conduction oil and water flow in the second pressure cylinder after the heat conduction oil moves upwards, and the heat dissipation effect of the male die is further enhanced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional structure of a first press cylinder and a second press cylinder according to the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present invention.
Fig. 5 is a schematic view of the structure of the first pressing cylinder in the pressed state of the present invention.
Fig. 6 is a schematic view showing the bottom structure of the first push plate of the present invention.
Fig. 7 is a schematic diagram of a cross-sectional structure of a female die according to the present invention.
In the figure: 1. a housing body; 2. a first hydraulic cylinder; 3. a first press cylinder; 4. a second pressing cylinder; 5. a male die; 6. a female die; 7. a liquid inlet pipe; 8. a one-way valve; 9. a first liquid discharge pipe; 10. a connecting pipe; 11. a heat sink; 12. a liquid outlet pipe; 13. a liquid tank; 14. a second liquid discharge pipe; 15. a first push plate; 16. a first spring; 17. a fixed bracket; 18. a support plate; 19. a second spring; 20. a connecting column; 21. a sealing plate; 22. a fixed shaft; 23. a first connection frame; 24. a drive fan blade; 25. extending the column; 26. a first bevel gear; 27. a second bevel gear; 28. stirring the column; 29. a fixed sleeve; 30. stirring paddles; 31. reinforcing the sleeve; 32. a second connecting frame; 33. heat conducting oil; 34. a first heat conduction groove; 35. a drive column; 36. a second push plate; 37. a fixed sleeve; 38. a third spring; 39. a heat conducting column; 40. a second heat conduction groove; 41. a second hydraulic cylinder; 42. and a third push plate.
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.
Example 1
Referring to fig. 1 to 7, the electric motor rotor die casting device includes a housing body 1, a first hydraulic cylinder 2 is fixedly connected to the top of the housing body 1, an output end of the first hydraulic cylinder 2 is fixedly connected to a first pressure cylinder 3, a second pressure cylinder 4 is slidingly connected to the inside of the first pressure cylinder 3, one end of the second pressure cylinder 4 extends to the bottom of the first pressure cylinder 3, a male die 5 is fixedly connected to the bottom of the second pressure cylinder 4, a female die 6 is oppositely arranged at the bottom of the male die 5, one side of the female die 6 is fixedly connected to the housing body 1, a liquid inlet pipe 7 is arranged at the top of one side of the first pressure cylinder 3, the liquid inlet pipe 7 is connected with an external water source, one end of the liquid inlet pipe 7 is communicated with a one-way valve 8, liquid is led to enter the first pressure cylinder 3 in a one way through the liquid inlet pipe 7, one end of the one-way valve 8 is communicated with the first pressure cylinder 3, the top of the other side of the first pressure cylinder 3 is communicated with a first liquid outlet pipe 9, one end of the first liquid outlet pipe 9 is communicated with a male die 5, the bottom of the male die 5 is provided with a female die 6, one end of the male die 11 is provided with a spiral heat dissipation groove 11, one end 11 is communicated with one end of the heat dissipation groove 11, and one end 11 is communicated with one end 11 of the heat dissipation groove 11.
And (3) die casting and forming: when the motor rotor is die-cast, pouring molten metal solution into the female die 6, then starting the first hydraulic cylinder 2, enabling the first hydraulic cylinder 2 to push the first pressing cylinder 3 to move downwards, enabling the first pressing cylinder 3 to push the second pressing cylinder 4 to contact with liquid in the female die 6 firstly when moving downwards, and then continuously moving downwards for die-casting the metal solution in the female die 6, after die casting, enabling the first hydraulic cylinder 2 to be started again to drive the first pressing cylinder 3 to reset, taking out parts in the female die 6, and then pouring the metal solution again, so that the effect of cyclic processing is achieved;
the cistern 13 has been seted up to one side at second pressure section of thick bamboo 4 top, the top intercommunication of second pressure section of thick bamboo 4 one side has second fluid-discharge tube 14, second fluid-discharge tube 14 is the rectangle setting, in the first pressure section of thick bamboo 3, first space supplies second pressure section of thick bamboo 4 to slide from top to bottom, the volume in second space is less than the volume in first space, the second space cooperation second fluid-discharge tube 14 uses, the inside sliding connection of second pressure section of thick bamboo 4 has first push pedal 15, one side fixedly connected with first spring 16 of first push pedal 15, the one end of first spring 16 and the inner wall fixed connection of second pressure section of thick bamboo 4.
One side fixedly connected with fixed bolster 17 at first pressure section of thick bamboo 3 top, the inside sliding connection of fixed bolster 17 has backup pad 18, one side fixedly connected with second spring 19 of backup pad 18, the one end and the fixed bolster 17 fixed connection of second spring 19, the other end fixedly connected with spliced pole 20 of second spring 19, the one end fixedly connected with closing plate 21 of spliced pole 20, closing plate 21 and first fluid-discharge tube 9 contact, closing plate 21 reciprocates in the second space, and can seal first fluid-discharge tube 9 when closing plate 21 is in the second space, prevent that the liquid in the first pressure section of thick bamboo 3 from flowing out, when closing plate 21 upwards moves and leaves in the second space, first fluid-discharge tube 9 exposes, rivers can be discharged through first fluid-discharge tube 9.
Liquid cooling heat dissipation: the water source is connected through the liquid inlet pipe 7, water flows into the first pressing cylinder 3 after passing through the one-way valve 8, then when the first pressing cylinder 3 moves downwards, the male die 5 is firstly contacted with the metal solution in the female die 6, then the first pressing cylinder 3 continues to press downwards, when the first pressing cylinder 3 is contacted with the metal solution in the female die 6, the male die 5 presses the metal solution and cannot move downwards continuously, the first pressing cylinder 3 moves downwards continuously, and at the moment, the water flow in the first pressing cylinder 3 flows into the second pressing cylinder 4 through the liquid groove 13;
when the water flows too much, the first push plate 15 is extruded by the larger water pressure to move downwards, so that more water flows enter the second pressure cylinder 4, when the first pressure cylinder 3 moves to the bottommost end, the second liquid discharge pipe 14 at one side of the first pressure cylinder 3 pushes the sealing plate 21 to move upwards, the first liquid discharge pipe 9 is exposed, at the moment, the water flow in the first pressure cylinder 3 flows into the connecting pipe 10 through the first liquid discharge pipe 9 and is discharged through the liquid discharge pipe 12 after flowing for many circles around the female die 6 through the spiral heat dissipation groove 11, and the cooling and heat dissipation of the first pressure cylinder 3, the second pressure cylinder 4 and the female die 6 are completed, so that the processing efficiency of a motor rotor can be improved.
Example two
The present embodiment is an improvement made on the basis of the first embodiment, specifically, referring to fig. 1 to 7, a fixed shaft 22 is disposed at the inner center position of the second liquid discharge tube 14, one side of the fixed shaft 22 is fixedly connected with a first connecting frame 23, two ends of the first connecting frame 23 are fixedly connected with the inner wall of the second liquid discharge tube 14, the outer side of the fixed shaft 22 is fixedly connected with a plurality of driving fan blades 24, the plurality of driving fan blades 24 are uniformly distributed in a ring shape, and the other side of the fixed shaft 22 is fixedly connected with an extension column 25.
One end of extension post 25 extends to the inside of second pressure section of thick bamboo 4 and fixedly connected with first awl tooth 26, one side meshing of first awl tooth 26 is connected with second awl tooth 27, first awl tooth 26 sets up with second awl tooth 27 mutually perpendicular, one side of second awl tooth 27 is rotated through the inner wall of pivot and second pressure section of thick bamboo 4 and is connected, the opposite side fixedly connected with stirring post 28 of second awl tooth 27, the outside fixedly connected with fixed cover 29 of stirring post 28, the outside fixedly connected with stirring rake 30 of fixed cover 29, the quantity of stirring rake 30 is a plurality of, and a plurality of stirring rake 30 is annular equidistance and distributes.
Stirring and heat dissipation: after the water flow in the first pressure cylinder 3 enters the second pressure cylinder 4 through the liquid groove 13 to radiate heat of the second pressure cylinder 4, the heat of the second pressure cylinder 4 is difficult to quickly radiate into the water flow because of poor fluidity of the water flow in the second pressure cylinder 4, so that the second pressure cylinder 4 is easy to heat, through the arrangement of the transmission fan blade 24 and the stirring paddle 30, after the water flow in the second pressure cylinder 4 is discharged through the second liquid discharge pipe 14, the flowing water flow pushes the transmission fan blade 24 to rotate, the transmission fan blade 24 pushes the extension column 25 to rotate after rotating, the extension column 25 pushes the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 27 to rotate, and the second bevel gear 27 drives the stirring column 28 to rotate;
the stirring column 28 drives the stirring paddle 30 to rotate, and the stirring paddle 30 stirs the water flow in the second pressure cylinder 4 after rotating in the second pressure cylinder 4, so that the water flow in the second pressure cylinder 4 flows quickly, and the flowing water flow can quickly exchange heat with the second pressure cylinder 4 to take away the heat of the second pressure cylinder 4, thereby achieving the effect of quick heat dissipation.
The outside sliding connection of extension post 25 has the reinforcement cover 31, and one side fixedly connected with second link 32 of reinforcement cover 31, the one end of second link 32 and the inner wall fixed connection of second pressure section of thick bamboo 4.
Through setting up reinforcement cover 31 and second link 32, play the effect of supporting reinforcement to longer extension post 25 one end, it is more stable when making extension post 25 rotate, be difficult for rocking.
Example III
The embodiment is an improvement made on the basis of the second embodiment, specifically, please refer to fig. 1 to 7, the inside of the male mold 5 is filled with the heat-conducting oil 33, the bottom of the second pressure cylinder 4 is provided with the first heat-conducting groove 34, the first heat-conducting groove 34 is annularly arranged, the opening of the first heat-conducting groove 34 is located in the male mold 5, the first heat-conducting groove 34 is communicated with the male mold 5, the inside of the second pressure cylinder 4 is slidably connected with the transmission column 35, one end of the transmission column 35 extends to the inside of the male mold 5 and is fixedly connected with the second push plate 36, the second push plate 36 is cylindrically arranged, the other end of the transmission column 35 is located in the inside of the second pressure cylinder 4, the outer side of the second push plate 36 is slidably connected with the fixing sleeve 37, one end of the fixing sleeve 37 is fixedly connected with the second pressure cylinder 4, the bottom opening of the fixing sleeve 37, the inner diameter of the bottom opening of the fixing sleeve 37 is smaller than the diameter of the second push plate 36, one side of the second push plate 36 is fixedly connected with the third spring 38, and one end of the third spring 38 is fixedly connected with the inner wall of the male mold 5.
Heat conduction: after the first push plate 15 is pressed downwards by larger water pressure, the first push plate 15 is in contact with the transmission column 35, then the transmission column 35 is pushed downwards, the transmission column 35 pushes the second push plate 36 to downwards move, the second push plate 36 pushes the heat conduction oil 33 in the fixed sleeve 37, the heat conduction oil 33 in the male die 5 upwards moves through the first heat conduction groove 34, the heat conduction oil 33 takes away the heat of the male die 5, and then the heat exchange is carried out between the heat conduction oil 33 and water flow in the second pressure cylinder 4 after the heat conduction oil moves upwards, so that the effect of rapidly radiating the male die 5 is achieved.
The bottom fixedly connected with heat conduction post 39 of second pressure section of thick bamboo 4 inner wall, the quantity of heat conduction post 39 is a plurality of, and a plurality of heat conduction post 39 is annular evenly distributed, and second heat conduction groove 40 with heat conduction post 39 clearance fit is seted up at the top of second pressure section of thick bamboo 4 inner wall.
Through setting up heat conduction post 39 and second heat conduction groove 40, a plurality of heat conduction post 39 move the back downwards at first push pedal 15 and contact with the second heat conduction groove 40 of first push pedal 15 bottom, in the heat conduction post 39 passes the heat of terrace die 5 to first push pedal 15 with the contact of second heat conduction groove 40, then produces heat exchange with the rivers of first push pedal 15 one side, further improvement is to the radiating effect of terrace die 5.
The bottom of the shell body 1 is embedded with a second hydraulic cylinder 41, the output end of the second hydraulic cylinder 41 is fixedly connected with a third push plate 42, and the third push plate 42 is positioned in the female die 6.
Through setting up second pneumatic cylinder 41, after the metal solution die casting shaping in die 6, second pneumatic cylinder 41 starts, then second pneumatic cylinder 41 can promote the upward movement of third push pedal 42, and the third push pedal 42 is in die 6 upwards with the spare part after the shaping release die 6, and the workman of being convenient for takes away the shaping spare part.
The die casting method of the motor rotor comprises the following steps;
s1, pouring the heated metal solution into a female die 6 in the shape of a motor rotor, wherein the pouring speed needs to be adjusted to ensure that the die is fully filled;
s2, after the metal solution fills the die, the first hydraulic cylinder 2 is started to push the male die 5 to be matched with the female die 6, and high pressure is applied to fully compact the metal solution in the female die 6 so as to eliminate any air or shrinkage cavity possibly existing;
and S3, after the metal solution fills the female die 6 and is compacted, opening the female die 6 and waiting for the casting to cool for enough time so that the casting can be easily taken out from the die, and further completing die casting of the motor rotor.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The utility model provides a motor rotor die casting device, includes casing body (1), its characterized in that: the utility model discloses a heat dissipation device, including casing body (1), first pneumatic cylinder (2) of top fixedly connected with, the output fixedly connected with first pressure section of thick bamboo (3) of first pneumatic cylinder (2), the inside sliding connection of first pressure section of thick bamboo (3) has second pressure section of thick bamboo (4), the bottom fixedly connected with terrace die (5) of second pressure section of thick bamboo (4), the bottom of terrace die (5) is provided with die (6), one side and casing body (1) fixedly connected of die (6), the top of first pressure section of thick bamboo (3) one side is provided with feed liquor pipe (7), the one end intercommunication of feed liquor pipe (7) has check valve (8), the one end and the first pressure section of thick bamboo (3) of thick bamboo are linked together, the top intercommunication of first pressure section of thick bamboo (3) opposite side has first fluid-discharge tube (9), the one end intercommunication of first fluid-discharge tube (9) has terrace die (10), groove (11) are seted up to the inside of die (6), one end and heat dissipation groove (11) are linked together.
2. The electric machine rotor die casting apparatus as claimed in claim 1, wherein: the liquid tank (13) has been seted up to one side at second pressure section of thick bamboo (4) top, the top intercommunication of second pressure section of thick bamboo (4) one side has second fluid-discharge tube (14), the inside sliding connection of second pressure section of thick bamboo (4) has first push pedal (15), one side fixedly connected with first spring (16) of first push pedal (15), the one end of first spring (16) is pressed the inner wall fixed connection of section of thick bamboo (4) with the second.
3. The electric machine rotor die casting apparatus as claimed in claim 1, wherein: one side fixedly connected with fixed bolster (17) at first pressure section of thick bamboo (3) top, the inside sliding connection of fixed bolster (17) has backup pad (18), one side fixedly connected with second spring (19) of backup pad (18), the one end and the fixed bolster (17) fixed connection of second spring (19), the other end fixedly connected with spliced pole (20) of second spring (19), the one end fixedly connected with closing plate (21) of spliced pole (20), closing plate (21) and first fluid-discharge tube (9) contact.
4. The electric machine rotor die casting apparatus as claimed in claim 2, wherein: the inside of second fluid-discharge tube (14) is provided with fixed axle (22), one side fixedly connected with first link (23) of fixed axle (22), the both ends of first link (23) all with the inner wall fixed connection of second fluid-discharge tube (14), the outside fixedly connected with transmission flabellum (24) of fixed axle (22), the quantity of transmission flabellum (24) is a plurality of, and a plurality of transmission flabellum (24) are annular evenly distributed, the opposite side fixedly connected with extension post (25) of fixed axle (22).
5. The electric machine rotor die casting apparatus as claimed in claim 4, wherein: one end fixedly connected with first awl tooth (26) of extension post (25), one side meshing of first awl tooth (26) is connected with second awl tooth (27), one side of second awl tooth (27) is connected with the inner wall rotation of second pressure section of thick bamboo (4) through the pivot, the opposite side fixedly connected with stirring post (28) of second awl tooth (27), the outside fixedly connected with fixed cover (29) of stirring post (28), the outside fixedly connected with stirring rake (30) of fixed cover (29).
6. The electric machine rotor die casting apparatus as claimed in claim 5, wherein: the outside sliding connection of extension post (25) has reinforcement cover (31), one side fixedly connected with second link (32) of reinforcement cover (31), the one end of second link (32) is with the inner wall fixed connection of second pressure section of thick bamboo (4).
7. The electric machine rotor die casting apparatus as claimed in claim 1, wherein: the inside of terrace die (5) is filled with conduction oil (33), first heat conduction groove (34) have been seted up to the bottom of second pressure section of thick bamboo (4), first heat conduction groove (34) are linked together with terrace die (5), the inside sliding connection of second pressure section of thick bamboo (4) has transmission post (35), the one end of transmission post (35) extends to the inside of terrace die (5) and fixedly connected with second push pedal (36), the outside sliding connection of second push pedal (36) has fixed sleeve (37), the one end and the second pressure section of thick bamboo (4) fixed connection of fixed sleeve (37), one side fixedly connected with third spring (38) of second push pedal (36), the one end and the inner wall fixed connection of terrace die (5) of third spring (38).
8. The electric machine rotor die casting apparatus as claimed in claim 1, wherein: the bottom fixedly connected with heat conduction post (39) of second pressure section of thick bamboo (4) inner wall, the quantity of heat conduction post (39) is a plurality of, and a plurality of heat conduction post (39) are annular evenly distributed, second heat conduction groove (40) with heat conduction post (39) clearance fit is seted up at the top of second pressure section of thick bamboo (4) inner wall.
9. The electric machine rotor die casting apparatus as claimed in claim 1, wherein: the bottom of casing body (1) is embedded with second pneumatic cylinder (41), the output fixedly connected with third push pedal (42) of second pneumatic cylinder (41), third push pedal (42) are located the inside of die (6).
10. A method of die casting an electric machine rotor as claimed in any preceding claim, wherein: comprises the following steps of;
s1, pouring the heated metal solution into a female die (6) in the shape of a motor rotor, wherein the pouring speed needs to be adjusted to ensure that the die is fully filled;
s2, after the metal solution fills the die, pushing the male die (5) to be matched with the female die (6) by starting the first hydraulic cylinder (2), and applying high pressure to fully compact the metal solution in the female die (6) so as to eliminate any possible air or shrinkage cavity;
and S3, after the metal solution fills the female die (6) and is compacted, opening the female die (6) and waiting for cooling the casting for enough time so that the casting can be easily taken out from the die, and further completing die casting of the motor rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311534126.2A CN117444173B (en) | 2023-11-17 | 2023-11-17 | Motor rotor die casting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311534126.2A CN117444173B (en) | 2023-11-17 | 2023-11-17 | Motor rotor die casting device and method |
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| Publication Number | Publication Date |
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| CN117444173A true CN117444173A (en) | 2024-01-26 |
| CN117444173B CN117444173B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311534126.2A Active CN117444173B (en) | 2023-11-17 | 2023-11-17 | Motor rotor die casting device and method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332026A (en) * | 1992-09-28 | 1994-07-26 | Tht Presses Inc. | Production of copper die cast rotors for electric motors |
| JP2001009560A (en) * | 1999-06-29 | 2001-01-16 | Toshiba Mach Co Ltd | Die cast device for motor rotor |
| KR20160137270A (en) * | 2015-05-22 | 2016-11-30 | 주식회사 성원정밀 | Mold for motor rotor die casting |
| CN112371941A (en) * | 2020-09-11 | 2021-02-19 | 周芮冬 | Quick injection molding device of rotor die casting machine |
| CN216632527U (en) * | 2021-12-14 | 2022-05-31 | 温岭市山市冲件厂 | Novel motor rotor aluminum casting machine |
| CN217121694U (en) * | 2022-01-19 | 2022-08-05 | 荣成市华宇电机有限公司 | Motor rotor die-casting die |
| CN217666345U (en) * | 2021-11-30 | 2022-10-28 | 江西德辰科技有限公司 | Mould cooling device for metal casting |
| CN218487176U (en) * | 2022-09-21 | 2023-02-17 | 宁波图冠精密模具有限公司 | Automobile die-casting die with excellent heat dissipation performance |
-
2023
- 2023-11-17 CN CN202311534126.2A patent/CN117444173B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332026A (en) * | 1992-09-28 | 1994-07-26 | Tht Presses Inc. | Production of copper die cast rotors for electric motors |
| JP2001009560A (en) * | 1999-06-29 | 2001-01-16 | Toshiba Mach Co Ltd | Die cast device for motor rotor |
| KR20160137270A (en) * | 2015-05-22 | 2016-11-30 | 주식회사 성원정밀 | Mold for motor rotor die casting |
| CN112371941A (en) * | 2020-09-11 | 2021-02-19 | 周芮冬 | Quick injection molding device of rotor die casting machine |
| CN217666345U (en) * | 2021-11-30 | 2022-10-28 | 江西德辰科技有限公司 | Mould cooling device for metal casting |
| CN216632527U (en) * | 2021-12-14 | 2022-05-31 | 温岭市山市冲件厂 | Novel motor rotor aluminum casting machine |
| CN217121694U (en) * | 2022-01-19 | 2022-08-05 | 荣成市华宇电机有限公司 | Motor rotor die-casting die |
| CN218487176U (en) * | 2022-09-21 | 2023-02-17 | 宁波图冠精密模具有限公司 | Automobile die-casting die with excellent heat dissipation performance |
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| CN117444173B (en) | 2024-04-26 |
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