CN117020156A - Motor rotor vacuum die casting equipment - Google Patents

Abstract

The application discloses motor rotor vacuum die casting equipment, wherein an upper die and a plurality of groups of dies which are arranged in an annular array are assembled in a die assembly, a vacuum pumping assembly and a die casting assembly are assembled in the upper die assembly, and a plurality of groups of lower dies are assembled on an upper blanking assembly. In the die assembly, an upper die assembly is used for driving an upper die to move up and down, a middle die assembly drives each middle die to move radially to perform die assembly, an upper heat dissipation assembly is used for cooling the upper die and the middle die, in the upper and lower material assembly, a lower die assembly station, a material discharging station, a heat dissipation station, a sheet loading station and a preparation station are uniformly arranged on a five-station dividing disc, the lower die assembly drives a lower die to move up and down, a first lifting module and a second lifting module lift the lower die, and the lower heat dissipation assembly carries out heat dissipation and cooling on the lower die. The application has the advantage of high automation degree, can automatically complete the work of die assembly, blanking and heat dissipation of each die, and can effectively improve the productivity of the electronic rotor.

Description

Motor rotor vacuum die casting equipment

Technical Field

The application relates to the technical field of motor rotor production, in particular to motor rotor vacuum die casting equipment.

Background

In the production process of the motor rotor, the rotor sheets stacked in multiple layers are required to be vacuumized and die-cast to form a high-quality electronic rotor, and then the high-quality electronic rotor can be stably assembled in a motor through further processing, a shaft hole and a side hole are formed in the motor rotor, the shaft hole is used for assembling a motor rotating shaft, and the side hole is used for winding a coil in the motor rotating shaft.

The degree of automation of traditional vacuum die casting equipment for producing motor rotor is extremely low, needs the manual operations such as completion dress piece, compound die, mould clearance heat dissipation, unloading of staff, accomplishes the die casting work of a set of motor rotor and need take a long time, leads to motor rotor's productivity to be very big limited, consequently need design a motor rotor vacuum die casting equipment that degree of automation is high to improve motor rotor's production productivity.

Disclosure of Invention

Aiming at the defects in the prior art, the application aims to provide the motor rotor vacuum die casting equipment which has the advantage of high automation degree, can automatically complete the die assembly, the blanking and the heat dissipation of each die, and can effectively improve the productivity of an electronic rotor.

The technical scheme adopted by the application for achieving the purpose is as follows: the motor rotor vacuum die casting equipment comprises matched and combined die assembly components and feeding and discharging components, wherein an upper die and a plurality of groups of dies which are arranged in an annular array are assembled in the die assembly components, a vacuumizing component and a die casting component are assembled in the upper die assembly components, a plurality of groups of lower dies are assembled on the feeding and discharging components, the die assembly components comprise a mounting sleeve, an upper radiating component, an upper die assembly component and a middle die assembly component, wherein the upper die assembly component is assembled on the mounting sleeve and is used for driving the upper die to move up and down, the middle die assembly component is matched and combined with the dies in each group to drive the dies to move radially for die assembly, and the upper radiating component is used for extending into the mounting sleeve to cool the upper die and the dies; the feeding and discharging assembly comprises a five-station dividing disc, a lower die assembly, a first lifting module, a second lifting module and a lower heat dissipation assembly, wherein a lower die assembly station, a discharging station, a heat dissipation station, a chip loading station and a preparation station are uniformly arranged on the five-station dividing disc, the lower die assembly is assembled at the lower die assembly station to drive the lower die to move up and down, the first lifting module and the second lifting module are respectively assembled at the discharging station and the heat dissipation station to lift the lower die, and the lower heat dissipation assembly is assembled at the heat dissipation station to cool the lower die.

In some implementations, in order to ensure that the mold clamping assembly can be stably installed above the feeding and discharging assemblies, the upper heat dissipation assembly, the upper mold clamping assembly and the middle mold clamping assembly can be matched with the installation sleeve to be installed, and the upper heat dissipation assembly can effectively dissipate heat of the upper mold and the lower mold.

The top of the mounting sleeve is fixedly connected with a horizontally arranged mounting top plate, and the mounting sleeve is provided with a telescopic through hole horizontally opposite to the upper radiating component; the upper radiating component comprises a mounting bracket, a telescopic beam, a first telescopic cylinder, an upper air distribution plate, a lower air distribution plate and a first air supply pump, wherein the mounting bracket is fixedly connected to a mounting top plate, the telescopic beam is slidably mounted on the mounting bracket, two ends of the first telescopic cylinder are respectively fixedly connected with the mounting bracket and the telescopic beam, the upper air distribution plate and the lower air distribution plate are respectively fixed on the upper surface and the lower surface of the telescopic beam, and the first air supply pump is fixedly mounted on the mounting bracket and keeps communication with the upper air distribution plate and the lower air distribution plate through a first air supply pipe.

In some implementations, in order to ensure that the upper die assembly can drive the upper die to effectively move up and down, the upper die is matched with the middle die, the upper die is enabled to move up and is enabled to cool down through the upper heat dissipation assembly, the upper die is enabled to continuously conduct vacuum die casting on the motor rotor, and the following technical scheme is provided.

The upper die assembly comprises an adjusting screw, a guide rod, a first driving motor, a driving gear, a transmission gear, a first bevel gear and a second bevel gear, two groups of lugs which are symmetrically arranged are fixedly connected to the outer edge of the upper die, the adjusting screw and the guide rod are vertically arranged in two groups of the mounting sleeve, the guide rod is fixedly connected with the mounting sleeve and is in sliding connection with the lugs, the adjusting screw is rotatably arranged in the mounting sleeve and is in rotary connection with the lugs, the transmission gears which are arranged above the mounting top plate are fixedly connected to the top ends of the two groups of the adjusting screw, the first driving motor is fixedly arranged on the mounting top plate and is in power connection with the first bevel gear, the second bevel gear is fixedly connected with the driving gear to keep the axle center and is rotatably arranged on the mounting top plate, and the driving gear is meshed with the two groups of transmission gears.

In some implementations, in order to ensure that the middle mold assembly can effectively control the molds in each group to move along the radial direction, so that the molds can be adjusted in an opening or closing posture, when the middle mold is opened, the lower mold can be ensured to stably run to a corresponding position, and meanwhile, rotor sheets on the lower mold for assembly and cultivation are conveniently assembled inside the middle mold.

The inner wall rigid coupling of installation sleeve has the collar, the lateral wall rigid coupling of well mould has radial not to be worth the guide holder, well membrane module includes flexible jar of second, actuating lever, guide holder slidable mounting in the collar and along the radial slip of collar, the flexible jar of second includes fixed mounting in the installation sleeve and along the multiunit that vertical direction arranged, the actuating lever assembly is in the collar inboard and both ends keep articulated with flexible jar expansion end of second, guide holder respectively.

In some implementations, in order to ensure that the lower die can realize stable loading, simultaneously, the blanking of the die-cast motor rotor is convenient, and the whole lifting of the lower die is convenient to control and is matched and combined with the middle die, the following technical scheme is provided.

The lower die comprises an annular die, a circular die, a dummy shaft, a positioning seat, a guide shaft, a supporting base plate and a supporting shaft, wherein the annular die is in nested combination with the middle die, the circular die is installed at the center of the annular die in a nested mode, the positioning seat is fixedly connected to the edge of the circular die uniformly, the dummy shaft is arranged on the upper side of the circular die and keeps concentric fixedly connected with the upper side of the circular die, the guide shaft is fixedly connected to the lower surface of the annular die and is arranged in the vertical direction, the supporting base plate is fixedly connected to the bottom end of the guide shaft, the supporting shaft is arranged on the lower side of the circular die and keeps concentric fixedly connected with the lower side of the circular die, and the supporting shaft penetrates through the supporting base plate.

In some implementations, in order to ensure that the five-station index plate can be stably assembled, the upper die assembled on the five-station index plate can be stably rotated around the circumference, and is matched with the lower die assembly station, the blanking station, the heat dissipation station, the die loading station and the preparation station, so that the following technical scheme is provided.

The five-station dividing disc comprises a mounting bottom plate, a mounting shaft, a rotating sleeve, a rotating disc, a second driving motor, a third bevel gear and a fourth bevel gear, wherein the mounting shaft is vertically and fixedly arranged on the mounting bottom plate, the rotating sleeve is rotationally arranged outside the mounting shaft, the rotating disc is fixedly arranged on the rotating sleeve, five groups of nested grooves are uniformly formed in the rotating roll disc, the guide shaft is in sliding connection with the nested grooves, the supporting base plate is arranged below the rotating disc, the supporting shaft penetrates through the rotating roll disc, the annular module is in nested fit with the nested grooves, the second driving motor is fixedly arranged on the mounting bottom plate and is in power connection with the third bevel gear, and the fourth bevel gear is fixedly connected with the rotating sleeve and is kept meshed with the third bevel gear.

In some implementations, in order to ensure that the lower die assembly can drive the lower die to integrally lift, the first lifting module and the second lifting module can independently drive the round module to stably lift, and the following technical scheme is provided.

The lower die assembly comprises two groups of third telescopic cylinders which are arranged side by side, the third telescopic cylinders are fixedly arranged on the mounting bottom plate and are arranged along the vertical direction, and a supporting base plate at the lower die assembly station is kept in abutting connection with the movable end of the third telescopic cylinders; the first lifting module and the second lifting module are respectively served as a fourth telescopic cylinder and a fifth telescopic cylinder which are vertically fixedly connected to the mounting bottom plate.

In some implementations, in order to ensure that the lower heat dissipation assembly can effectively dissipate heat of the lower die at the heat dissipation station, the following technical scheme is provided.

The lower heat dissipation assembly comprises a guide support, a lifting support, a sixth telescopic cylinder, a third driving motor, a second air supply pump, a rotating seat and an air distribution plate, wherein the guide support is fixedly arranged on the installation base plate, the lifting support is slidably arranged on the guide support, the sixth telescopic cylinder is arranged in the guide support, two ends of the sixth telescopic cylinder are respectively fixedly connected with the guide support and the lifting support, the third driving motor is fixedly arranged on the lifting support and is in power connection with a fifth bevel gear, the rotating seat is rotatably arranged on the lifting support and fixedly connected with the sixth bevel gear, the sixth bevel gear is meshed with the fifth bevel gear, the air distribution plate is fixedly arranged on the rotating seat, and the second air supply pump is fixedly arranged on the lifting support and is communicated with the air distribution plate through a second air supply pipe.

In some of these implementations, the following technical solution is provided to ensure that the die casting assembly assembled in the upper die can effectively die cast the rotor sheet in the mating die.

The die casting assembly comprises an upper die, a die cavity, a die casting assembly, a die cavity, a connecting sleeve and a seventh telescopic cylinder, wherein the die casting assembly comprises a lifting disc, a pressurizing disc, a connecting sleeve and the seventh telescopic cylinder, the lifting disc is slidably arranged in the mounting cavity, the pressurizing disc is arranged on the inner side of the die cavity of the upper die, the connecting sleeve is slidably arranged in the upper die and fixedly connected with the lifting disc and the pressurizing disc, the seventh telescopic cylinder is vertically fixedly connected into the mounting cavity, and the movable end of the seventh telescopic cylinder is fixedly connected with the lifting disc.

In some implementations, in order to ensure that the dummy shaft can be stably arranged through the upper die and ensure that the vacuumizing assembly can effectively suck out air in the die assembly, the following technical scheme is provided.

The dummy shaft penetrates through the lower die, the mounting cavity and the connecting sleeve, an exhaust groove is formed in the outer side wall of the dummy shaft, an exhaust interface is fixedly connected to the top end of the dummy shaft, and an exhaust passage for communicating the exhaust interface with the exhaust groove is formed in the dummy shaft; the vacuum pumping assembly comprises a vacuum pump and an exhaust pipe, wherein the vacuum pump is fixedly arranged at the top of the lower die, and the exhaust pipe is assembled on the vacuum pump and is in nested grafting with the exhaust interface.

The application has the beneficial effects that: the five-station dividing disc can sequentially complete blanking of the die-casting motor rotor, cooling of the lower die, loading of the rotor sheets, loading of the lower die and loading and closing of the sheets, the die assembly can complete die assembly of the upper die, the middle die and the lower die provided with the rotor sheets, so that the rotor sheets are enclosed and sealed, when vacuum die casting is conducted, air between the rotor sheets in the die assembly can be pumped out through the vacuumizing assembly to be in vacuum atmosphere, and the die casting assembly can die-cast the rotor sheets into a unified whole to finally form the motor rotor. In summary, the application has the advantage of high automation degree, can automatically complete the work of die assembly, blanking and heat dissipation of each die, and can effectively improve the productivity of the electronic rotor.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a schematic diagram of an upper heat dissipating assembly;

FIG. 3 is a schematic view of the mounting sleeve in cross-section;

FIG. 4 is an enlarged detailed schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of the mating combination of the upper clamp assembly and the upper mold;

FIG. 6 is a schematic view of the upper mold in a cut-away configuration;

FIG. 7 is a schematic diagram of a loading and unloading assembly;

FIG. 8 is a schematic diagram of a lower heat dissipating assembly;

FIG. 9 is a schematic view of the structure of the lower mold;

fig. 10 is a schematic view of the structure of a circular module and its assembly components thereon.

In the figure: 11 mounting sleeve, 111 mounting top plate, 112 telescopic opening, 113 mounting ring, 121 mounting bracket, 122 telescopic beam, 123 first telescopic cylinder, 124 upper air distribution plate, 125 lower air distribution plate, 126 first air supply pump, 127 first air supply pipe, 131 adjusting screw, 132 guide rod, 133 first driving motor, 134 driving gear, 135 driving gear, 136 first bevel gear, 137 second bevel gear, 141 second telescopic cylinder, 142 driving rod, 2101 lower die closing station, 2102 blanking station, 2103 heat dissipation station, 2104 loading station, 2105 preparation station, 211 mounting bottom plate, 212 mounting shaft, 213 rotating sleeve, 214 rotating plate, 2141 nesting groove, 215 second driving motor, 216 third bevel gear 217 fourth bevel gear, 221 third telescoping cylinder, 231 fourth telescoping cylinder, 241 fifth telescoping cylinder, 2501 guiding bracket, 2502 lifting bracket, 2503 sixth telescoping cylinder, 2504 third driving motor, 2505 second air supply pump, 2506 rotating seat, 2507 air distribution plate, 2508 fifth bevel gear, 2509 sixth bevel gear, 2510 second air supply pipe, 3 upper die, 311 vacuum pump, 312 air suction pipe, 321 lifting disc, 322 pressurizing disc, 323 connecting sleeve, 324 seventh telescoping cylinder, 33 ear seat, 34 mounting cavity, 4 middle die, 41 guiding seat, 51 annular module, 52 round module, 53 dummy shaft, 531 air discharge groove, 532 air discharge interface, 533 air discharge passage, 54 positioning seat, 55 guiding shaft, 56 supporting pad, 57 supporting shaft.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

Referring to fig. 1-10, the technical scheme of the components and the cooperation between the components of the present application will be described with reference to the following embodiments.

Example 1

The motor rotor vacuum die casting equipment comprises matched and combined die assembly components and feeding and discharging components, wherein the die assembly components are provided with an upper die 3 and a plurality of groups of die 4 which are arranged in an annular array, the upper die assembly components are provided with a vacuumizing component and a die casting component, the feeding and discharging components are provided with a plurality of groups of lower dies, the die assembly components comprise a mounting sleeve 11, an upper heat dissipation component, and an upper die assembly component and a middle die assembly component which are assembled in the mounting sleeve 11, the upper die assembly component is provided with an upper die and used for driving the upper die 3 to move up and down, the middle die assembly component is matched and combined with the dies 4 in each group to drive the dies 4 to move radially for die assembly, and the upper heat dissipation component is used for extending into the mounting sleeve 11 to cool the upper die 3 and the dies 4; the upper and lower material assembly comprises a five-station dividing disc, a lower die assembly, a first lifting module, a second lifting module and a lower heat dissipation assembly, wherein a lower die assembly station 2101, a blanking station 2102, a heat dissipation station 2103, a chip loading station 2104 and a preparation station 2105 are uniformly arranged on the five-station dividing disc, the lower die assembly is assembled at the lower die assembly station 2101 to drive a lower die to move up and down, the first lifting module and the second lifting module are respectively assembled at the blanking station 2102 and the heat dissipation station 2103 to lift the lower die, and the lower heat dissipation assembly is assembled at the heat dissipation station 2103 to dissipate heat and cool the lower die.

The five-station dividing disc can sequentially complete blanking of the motor rotor formed by die casting, cooling of the lower die, loading of the rotor sheets, loading of the lower die and die assembly, die assembly can complete die assembly of the upper die 3, the middle die 4 and the lower die provided with the rotor sheets so as to enclose and seal the rotor sheets, and when vacuum die casting is carried out, air between the rotor sheets in the die assembly can be pumped out through the vacuumizing assembly so as to be in vacuum atmosphere, and the die casting assembly can die-cast the rotor sheets into a unified whole to finally form the motor rotor.

The upper die 3, the middle die 4 and the lower die can be provided with electric heating pipes according to processing requirements so as to perform progressive heating die casting.

Example 2

In order to ensure that the die assembly can be stably installed above the feeding and discharging assemblies, the upper heat dissipation assembly, the upper die assembly and the middle die assembly can be matched with the installation sleeve 11, and the upper heat dissipation assembly can effectively dissipate heat of the upper die 3 and the lower die.

The top of the mounting sleeve 11 is fixedly connected with a horizontally arranged mounting top plate, and a telescopic through hole 112 horizontally opposite to the upper radiating component is formed in the mounting sleeve 11; the upper radiating assembly comprises a mounting bracket 121, a telescopic beam 122, a first telescopic cylinder 123, an upper air distribution plate 124, a lower air distribution plate 125 and a first air supply pump 126, wherein the mounting bracket 121 is fixedly connected to a mounting top plate, the telescopic beam 122 is slidably mounted on the mounting bracket 121, two ends of the first telescopic cylinder 123 are fixedly connected with the mounting bracket 121 and the telescopic beam 122 respectively, the upper air distribution plate 124 and the lower air distribution plate 125 are fixed on the upper surface and the lower surface of the telescopic beam 122 respectively, and the first air supply pump 126 is fixedly mounted on the mounting bracket 121 and is communicated with the upper air distribution plate 124 and the lower air distribution plate 125 through a first air supply pipe 127.

The setting of installation roof can guarantee that installation sleeve 11, installing support 121 are stable to be installed thereupon, and the setting of flexible opening 112 can guarantee that flexible roof beam 122 and the last gas distribution dish 124 of assembly on it, lower gas distribution dish 125 effectively stretch out and draw back in installation sleeve 11.

After the upper die 3 is driven to move upwards by the upper die assembly and the middle die 4 is driven to diffuse outwards by the middle die assembly, the first telescopic cylinder 123 is controlled to extend so that the telescopic beam 122 stretches into the inner side of the mounting sleeve 11 through the telescopic opening 112, so that the upper air distribution plate 124 and the lower air distribution plate 125 are arranged between the upper die 3 and the lower die, cold air is conveyed to the upper air distribution plate 124 and the lower air distribution plate 125 along the first air supply pipe 127 by the first air supply pump 126, the upper air distribution plate 124 blows cold air upwards to cool the upper die 3, and the lower air distribution plate 125 blows cold air downwards to cool the middle die 4.

In order to ensure that the upper die assembly can drive the upper die 3 to effectively move up and down, and further realize that the upper die 3 is matched with the middle die 4, the upper die 3 is enabled to move up and is cooled by the upper heat dissipation assembly to dissipate heat of the upper die 3, so that the upper die 3 can continuously perform vacuum die casting on a motor rotor, and the following technical scheme is provided.

The upper die assembly comprises an adjusting screw rod 131, a guide rod 132, a first driving motor 133, a driving gear 134, a transmission gear 135, a first bevel gear 136 and a second bevel gear 137, two groups of lug seats 33 which are symmetrically arranged are fixedly connected to the outer edge of the upper die 3, the adjusting screw rod 131 and the guide rod 132 respectively comprise two groups which are vertically arranged in the mounting sleeve 11, the guide rod 132 is fixedly connected with the mounting sleeve 11 and is in sliding connection with the lug seats 33, the adjusting screw rod 131 is rotatably arranged in the mounting sleeve 11 and is in rotary connection with the lug seats 33, the transmission gears 135 which are arranged above the mounting top plate are fixedly connected to the top ends of the two groups of the adjusting screw rods 131, the first driving motor 133 is fixedly arranged on the mounting top plate and is in power connection with the first bevel gear 136, the second bevel gear 137 is fixedly connected with the driving gear 134 in an axial center and is rotatably arranged on the mounting top plate, and the driving gear 134 is in meshed with the two groups of transmission gears 135.

The arrangement of the guide rod 132 can ensure that the upper die 3 stably ascends and descends along the vertical direction, and when the first driving motor 133 drives the first bevel gear 136 to rotate, the second bevel gear 137 and the driving gear 134 can be driven to stably rotate so as to drive the two groups of transmission gears 135 and the adjusting screw 131 to synchronously and stably rotate. The two groups of adjusting screws 131 which rotate synchronously can drive the lug seat 33 and the upper die 3 connected with the lug seat 33 to stably lift along the guide rod 132, and after the upper die 3 is lifted upwards, the upper die 3 stretches into the mounting sleeve 11 to cool the upper die 3 and the middle die 4, and when the upper die 3 moves downwards, the upper die 3 and the middle die 4 are conveniently clamped.

In order to ensure that the middle mold assembly can effectively control the middle molds 4 in each group to move along the radial direction so as to enable the middle molds 4 to adjust the opening or closing postures, when the middle molds 4 are opened, the lower molds can be ensured to stably operate to the corresponding positions, and meanwhile, rotor sheets on the lower mold for filling and cultivating are conveniently filled into the inner sides of the middle molds 4.

The inner wall rigid coupling of installation sleeve 11 has collar 113, and the lateral wall rigid coupling of well mould 4 has radial not worth guide holder 41, and the neutralization membrane subassembly includes second telescopic cylinder 141, actuating lever 142, and guide holder 41 slidable mounting is in collar 113 and along collar 113 radial slip, and second telescopic cylinder 141 includes the multiunit that fixed mounting in installation sleeve 11 and arrange along vertical direction, and actuating lever 142 assembles in collar 113 inboard and both ends respectively with second telescopic cylinder 141 expansion end, guide holder 41 keep articulated.

When the second telescopic cylinder 141 is contracted, the driving rod 142 can drive the guide seat 41 to move outwards, and then the corresponding dies 4 in each group are driven to move outwards, so that the open posture of the dies 4 is realized, when the second telescopic cylinder 141 is extended, the driving rod 142 can push the guide seat 41 to move inwards, so that the dies 4 in each group are driven to realize the folded posture, the sealing combination is kept when the dies 4 are in the folded posture, and the rotor sheet is subjected to enclosing die casting.

Example 3

In order to ensure that the lower die can realize stable die loading, simultaneously, the die-cast finished motor rotor is conveniently discharged, and the whole lifting of the lower die is conveniently controlled and is matched and combined with the middle die 4, the following technical scheme is provided.

The lower die comprises an annular die part 51, a circular die part 52, a dummy shaft 53, a positioning seat 54, a guide shaft 55, a supporting backing plate 56 and a supporting shaft 57, wherein the annular die part 51 is in nested combination with the middle die part 4, the circular die part 52 is in nested installation at the center of the annular die part 51, the positioning seat 54 is uniformly fixedly connected to the edge of the circular die part 52, the dummy shaft 53 is arranged on the upper side of the circular die part 52 and keeps concentric fixedly connected, the guide shaft 55 is fixedly connected to the lower surface of the annular die part 51 and is arranged along the vertical direction, the supporting backing plate 56 is fixedly connected to the bottom end of the guide shaft 55, the supporting shaft 57 is arranged on the lower side of the circular die part 52 and keeps concentric fixedly connected, and the supporting shaft 57 penetrates the supporting backing plate 56.

The bottom surface of supporting electron rotor is formed to annular module 51 and the supporting combination of circular module 52 to stably support electron rotor, dummy shaft 53 and setting up of positioning seat 54 can guarantee that the rotor piece is along dummy shaft 53, the stable loading of positioning seat 54, and shaft hole and the side opening of pressing out electron rotor in the vacuum die casting process can be guaranteed to the setting of dummy shaft 53, positioning seat 54 simultaneously, and guiding axle 55, the setting of supporting backing plate 56 can guarantee that lower compound die subassembly drives the whole elevating movement of lower mould, and the setting of supporting axle 57 can guarantee that first lifting module, second lifting module drive circular module 52 and go up and down alone.

The circular module 52 and the motor rotor after die casting are lifted synchronously, and the annular module 51 has no synchronous height, so that the edge of the motor rotor is free, and the mechanical arm at the loading and unloading station 2102 is convenient for clamping the motor rotor for unloading.

After the round module 52 is lifted independently to separate the round module 52 from the annular module 51, the lower heat dissipation assembly is convenient to effectively dissipate heat and cool the round module 52 and the annular module 51.

Example 4

In order to ensure that the five-station index plate can be stably assembled, the upper die 3 assembled on the five-station index plate can stably rotate around the circumference and is matched with the lower die closing station 2101, the blanking station 2102, the heat dissipation station 2103, the chip loading station 2104 and the preparation station 2105, the following technical scheme is provided.

The five-station dividing disc comprises a mounting base plate 211, a mounting shaft 212, a rotating sleeve 213, a rotating disc 214, a second driving motor 215, a third bevel gear and a fourth bevel gear, wherein the mounting shaft 212 is vertically and fixedly arranged on the mounting base plate 211, the rotating sleeve 213 is rotationally arranged outside the mounting shaft 212, the rotating disc 214 is fixedly arranged on the rotating sleeve 213, five groups of nesting grooves 2141 are uniformly formed in the rotating disc, a guide shaft 55 is in sliding connection with the nesting grooves 2141, a supporting base plate 56 is arranged below the rotating disc 214, the supporting shaft 57 penetrates through the rotating disc, the annular module 51 is in nesting fit with the nesting grooves 2141, the second driving motor 215 is fixedly arranged on the mounting base plate 211 and is in power connection with the third bevel gear, and the fourth bevel gear is fixedly connected with the rotating sleeve 213 and keeps meshed with the third bevel gear.

The arrangement of the mounting bottom plate 211 can ensure that the five-station indexing plate is stably mounted thereon, and when the second driving motor 215 operates and drives the third bevel gear to rotate, the fourth bevel gear, the rotating sleeve 213 and the rotating plate 214 can be driven to stably rotate, so that each group of lower dies assembled in the time nesting groove 2141 stably rotate around the mounting shaft 212, and sequentially pass through the lower die clamping station 2101, the blanking station 2102, the heat dissipation station 2103, the die loading station 2104 and the preparation station 2105, and corresponding operation steps are further realized.

In order to ensure that the lower die assembly can drive the lower die to integrally lift, the first lifting module and the second lifting module can independently drive the round module 52 to stably lift, the following technical scheme is provided.

The lower die assembly comprises two groups of third telescopic cylinders 221 which are arranged side by side, the third telescopic cylinders 221 are fixedly arranged on the mounting base plate 211 and are arranged along the vertical direction, and a supporting base plate 56 at the lower die station 2101 is kept in abutting connection with the movable ends of the third telescopic cylinders 221; the first lifting module and the second lifting module are respectively served by a fourth telescopic cylinder 231 and a fifth telescopic cylinder 241 which are vertically fixedly connected to the mounting base plate 211.

When the third telescopic cylinder 221 is extended, the supporting base plate 56 and the guide shaft 55 can be driven to stably rise, so that the annular module 51, the circular module 52 and the rotor sheets assembled on the annular module 51 and the circular module 52 are driven to stably rise, and the lower die and the rotor sheets extend into the mounting sleeve 11 to be matched and combined with the middle die 4. When the third telescopic cylinder 221 drives the annular mold 51 to descend, the circular mold 52 and the motor rotor on which die casting is completed can be driven to synchronously descend under the action of gravity, and finally the lower mold and the motor rotor are stored in the nesting groove 2141 at the lower mold closing station 2101.

The fourth telescopic cylinder 231 can drive the supporting shaft 57 and the operation module to rise when being extended, so that the motor rotor on the circular module 52 rises, the edge of the motor rotor is not blocked by the annular module 51 from leaking, and the mechanical arm is convenient to clamp the motor rotor for blanking.

The fifth telescopic cylinder 241 can drive the empty circular module 52 to rise when being extended, so that the lower heat dissipation assembly can conveniently dissipate heat and cool the circular module 52 and the annular module 51.

In order to ensure that the lower heat dissipation assembly can effectively dissipate heat of the lower die at the heat dissipation station 2103, the following technical scheme is provided.

The lower heat dissipation assembly comprises a guide bracket 2501, a lifting bracket 2502, a sixth telescopic cylinder 2503, a third driving motor 2504, a second air supply pump 2505, a rotating seat 2506 and an air distribution plate 2507, wherein the guide bracket 2501 is fixedly arranged on a mounting base plate 211, the lifting bracket 2502 is slidably arranged on the guide bracket 2501, the sixth telescopic cylinder 2503 is arranged in the guide bracket 2501, two ends of the sixth telescopic cylinder 2503 are respectively fixedly connected with the guide bracket 2501 and the lifting bracket 2502, the third driving motor 2504 is fixedly arranged on the lifting bracket 2502 and is in power connection with a fifth bevel gear 2508, the rotating seat 2506 is rotatably arranged on the lifting bracket 2502 and fixedly connected with a sixth bevel gear 2509, the sixth bevel gear 2509 is meshed with the fifth bevel gear 2508, the air distribution plate 2507 is fixedly arranged on the rotating seat 2506, and the second air supply pump 2505 is fixedly arranged on the lifting bracket 2502 and is communicated with the air distribution plate 7 through a second air supply pipe 2510.

The sixth telescopic cylinder 2503 can drive the lifting bracket 2502 and all parts assembled on the lifting bracket to stably lift, so that the air distribution plate 2507 is conveniently withdrawn from the heat dissipation station 2103, and movement interference on the running rotating disc 214 and a lower die on the rotating disc is avoided.

The third driving motor 2504 can drive the rotating base 2506 and the air distribution plate 2507 to stably rotate through the fifth bevel gear 2508 and the sixth bevel gear 2509, the air distribution plate 2507 is arranged on the periphery of the corresponding lower die, the second air supply pump 2505 conveys cold air to the air distribution plate 2507 along the second air supply pipe 2510, and the air distribution plate 2507 rotating around the lower die can blow the cold air to the lower die to effectively cool the lower die.

The second air supply tube 2510 is connected to the axis of the rotary seat 2506 and is assembled in a matching manner in a manner of maintaining relative rotation, and a passage for communicating the second air supply tube 2510 with the air distribution plate 2507 is formed in the axial direction of the rotary seat 2506.

After the lower mold is cooled by the lower heat dissipation assembly, the rotor sheet is assembled on the lower mold at the sheet loading station 2104, and then the die casting is prepared by turning to the preparation station 2105, after the die casting finished electronic rotor is withdrawn by the lower mold closing station 2101, the rotor sheet at the preparation station 2105 can be operated by the rotating disc 214 to move to the lower mold closing station 2101, and then the lower mold closing assembly loads the rotor sheet into the mold closing assembly.

Example 5

In order to ensure that the die casting assembly assembled in the upper die 3 can effectively die cast the rotor sheet in the butt die, the following technical scheme is provided.

The upper die 3 is provided with an installation cavity 34, the die casting assembly comprises a lifting disc 321, a pressure disc 322, a connecting sleeve 323 and a seventh telescopic cylinder 324, the lifting disc 321 is slidably arranged in the installation cavity 34, the pressure disc 322 is arranged on the inner side of a die cavity of the upper die 3, the connecting sleeve 323 is slidably arranged in the upper die 3 and fixedly connected with the lifting disc 321 and the pressure disc 322, the seventh telescopic cylinder 324 is vertically fixedly connected into the installation cavity 34, and the movable end of the seventh telescopic cylinder 324 is fixedly connected with the lifting disc 321.

When the seventh telescopic cylinder 324 contracts, the lifting disc 321, the connecting sleeve 323 and the pressurizing disc 322 can be driven to integrally descend, through grooves which are nested and spliced with the positioning seat 54 are formed in the pressurizing disc 322, space interference of the positioning seat 54 on the descending pressurizing disc 322 is avoided, the false shaft 53 can be ensured to freely pass through due to the arrangement of the connecting sleeve 323, and therefore effective die casting of rotor sheets is achieved.

In order to ensure that the dummy shaft 53 can be stably arranged throughout the upper die 3 and that the vacuumizing assembly can effectively suck out air in the die assembly, the following technical scheme is provided.

The dummy shaft 53 penetrates through the lower die, the mounting cavity 34 and the connecting sleeve 323, an exhaust groove 531 is formed in the outer side wall of the dummy shaft 53, an exhaust interface 532 is fixedly connected to the top end of the dummy shaft 53, and an exhaust passage 533 for communicating the exhaust interface 532 with the exhaust groove 531 is formed in the dummy shaft 53; the vacuumizing assembly comprises a vacuum pump 311 and an exhaust pipe 312, wherein the vacuum pump 311 is fixedly arranged at the top of the lower die, and the exhaust pipe 312 is assembled on the vacuum pump 311 and is in nested insertion connection with the exhaust interface 532.

When the lower die assembly drives the lower die to extend into the mounting sleeve 11 for die assembly, the dummy shaft 53 passes through the upper die 3 and is connected with the exhaust pipe 312 in a plugging manner, and in the vacuum die casting process, the vacuum pump 311 can extract air between the rotor sheets in the die assembly and discharge the air along the exhaust groove 531, the exhaust passage 533, the exhaust interface 532 and the exhaust pipe, so that the die assembly is in a vacuum state, and the die casting quality of the motor rotor is ensured.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. A motor rotor vacuum die casting equipment which characterized in that: the automatic die assembly device comprises a matched die assembly and a feeding and discharging assembly, wherein an upper die (3) and a plurality of groups of dies (4) are assembled in the die assembly, a vacuumizing assembly and a die casting assembly are assembled in the upper die assembly, a plurality of groups of lower dies are assembled on the feeding and discharging assembly, the die assembly comprises a mounting sleeve (11), an upper heat dissipation assembly, an upper die assembly and a middle die assembly, the upper die assembly and the middle die assembly are assembled in the mounting sleeve (11), the upper die assembly is assembled on the upper die assembly and is used for driving the upper die (3) to move up and down, the middle die assembly is matched with the dies (4) in each group to drive the dies (4) in each group to move radially for die assembly, and the upper heat dissipation assembly is used for extending into the mounting sleeve (11) to cool the upper die (3) and the middle die (4); the feeding and discharging assembly comprises a five-station dividing disc, a lower die clamping assembly, a first lifting module, a second lifting module and a lower heat dissipation assembly, wherein a lower die clamping station (2101), a discharging station (2102), a heat dissipation station (2103), a sheet loading station (2104) and a preparation station (2105) are uniformly arranged on the five-station dividing disc, the lower die clamping assembly is assembled at the lower die clamping station (2101) to drive the lower die to move up and down, the first lifting module and the second lifting module are respectively assembled at the discharging station (2102) and the heat dissipation station (2103) to lift the lower die, and the lower heat dissipation assembly is assembled at the heat dissipation station (2103) to cool the lower die in a heat dissipation mode.

2. A motor rotor vacuum die casting apparatus as defined in claim 1, wherein: a horizontally arranged mounting top plate is fixedly connected to the top of the mounting sleeve (11), and a telescopic through hole (112) horizontally opposite to the upper radiating component is formed in the mounting sleeve (11); the upper radiating assembly comprises a mounting bracket (121), a telescopic beam (122), a first telescopic cylinder (123), an upper air distribution plate (124), a lower air distribution plate (125) and a first air supply pump (126), wherein the mounting bracket (121) is fixedly connected to a mounting top plate, the telescopic beam (122) is slidably mounted on the mounting bracket (121), two ends of the first telescopic cylinder (123) are fixedly connected with the mounting bracket (121) and the telescopic beam (122) respectively, the upper air distribution plate (124) and the lower air distribution plate (125) are fixedly arranged on the upper surface and the lower surface of the telescopic beam (122) respectively, and the first air supply pump (126) is fixedly mounted on the mounting bracket (121) and keeps communication with the upper air distribution plate (124) and the lower air distribution plate (125) through first air supply pipes (127).

3. A motor rotor vacuum die casting apparatus as defined in claim 2 wherein: the upper die assembly comprises an adjusting screw rod (131), a guide rod (132), a first driving motor (133), a driving gear (134), a transmission gear (135), a first bevel gear (136) and a second bevel gear (137), two groups of symmetrically arranged lugs (33) are fixedly connected to the outer edge of the upper die (3), the adjusting screw rod (131) and the guide rod (132) are vertically arranged in the mounting sleeve (11), the guide rod (132) is fixedly connected with the mounting sleeve (11) and is in sliding connection with the lugs (33), the adjusting screw rod (131) is rotatably arranged in the mounting sleeve (11) and is in rotary connection with the lugs (33), the transmission gears (135) arranged above the mounting top plate are fixedly connected to the top ends of the two groups of adjusting screw rods (131), the first driving motor (133) is fixedly arranged on the mounting top plate and is in power connection with the first bevel gear (136), the second bevel gear (137) is fixedly connected with the driving gear (134) in the axial center and is rotatably arranged on the mounting top plate, and the driving gear (134) is in meshed with the two groups of transmission gears (135).

4. A motor rotor vacuum die casting apparatus as defined in claim 1, wherein: the inner wall rigid coupling of installation sleeve (11) has collar (113), the lateral wall rigid coupling of well mould (4) has radial not to be worth guide holder (41), neutralization membrane module includes second telescopic cylinder (141), actuating lever (142), guide holder (41) slidable mounting is in collar (113) and along collar (113) radial slip, second telescopic cylinder (141) are including fixed mounting in installation sleeve (11) and along the multiunit that vertical direction arranged, actuating lever (142) assemble in collar (113) inboard and both ends respectively with second telescopic cylinder (141) expansion end, guide holder (41) keep articulated.

5. A motor rotor vacuum die casting apparatus as defined in claim 1, wherein: the lower die comprises an annular die (51), a circular die (52), a dummy shaft (53), a positioning seat (54), a guide shaft (55), a supporting base plate (56) and a supporting shaft (57), wherein the annular die (51) is in nested combination with the middle die (4), the circular die (52) is installed at the center of the annular die (51) in a nested mode, the positioning seat (54) is uniformly fixedly connected to the edge of the circular die (52), the dummy shaft (53) is arranged on the upper side of the circular die (52) and keeps concentric fixedly connected, the guide shaft (55) is fixedly connected to the lower surface of the annular die (51) and is arranged in the vertical direction, the supporting base plate (56) is fixedly connected to the bottom end of the guide shaft (55), the supporting shaft (57) is arranged on the lower side of the circular die (52) and keeps concentric fixedly connected, and the supporting shaft (57) penetrates through the supporting base plate (56).

6. A motor rotor vacuum die casting apparatus as defined in claim 5 wherein: five station graduated disk includes mounting plate (211), installation axle (212), rotating sleeve (213), rolling disc (214), second driving motor (215), third bevel gear, fourth bevel gear, vertical fixed mounting of installation axle (212) is on mounting plate (211), and install rotating sleeve (213) in the overcoat rotation of installation axle (212), five nested grooves (2141) have evenly been seted up on rotating sleeve (213) and the rolling disc of rotating to rolling disc (214), guiding axle (55) and nested groove (2141) slip grafting, supporting backing plate (56) are arranged in rolling disc (214) below, supporting axle (57) run through the rolling disc and are arranged, annular module (51) are nested to coincide with nested groove (2141), second driving motor (215) fixed mounting is on mounting plate (211) and power connection have third bevel gear, fourth bevel gear rigid coupling has on rotating sleeve (213) and with third bevel gear keeps meshing.

7. A motor rotor vacuum die casting apparatus as defined in claim 6 wherein: the lower die assembly comprises two groups of third telescopic cylinders (221) which are arranged side by side, the third telescopic cylinders (221) are fixedly arranged on the mounting base plate (211) and are arranged along the vertical direction, and a supporting base plate (56) at the lower die assembly station (2101) is kept in abutting connection with the movable end of the third telescopic cylinders (221); the first lifting module and the second lifting module are respectively served as a fourth telescopic cylinder (231) and a fifth telescopic cylinder (241) which are vertically fixedly connected to the mounting bottom plate (211).

8. A motor rotor vacuum die casting apparatus as defined in claim 6 wherein: the lower heat dissipation assembly comprises a guide bracket (2501), a lifting bracket (2502), a sixth telescopic cylinder (2503), a third driving motor (2504), a second air supply pump (2505), a rotating seat (2506) and an air distribution plate (2507), wherein the guide bracket (2501) is fixedly arranged on the mounting base plate (211), the lifting bracket (2502) is slidably arranged on the guide bracket (2501), the sixth telescopic cylinder (2503) is arranged in the guide bracket (2501) and two ends of the sixth telescopic cylinder are fixedly connected with the guide bracket (2501) and the lifting bracket (2502) respectively, the third driving motor (2504) is fixedly arranged on the lifting bracket (2502) and is in power connection with a fifth bevel gear (2508), the rotating seat (2506) is rotatably arranged on the lifting bracket (2502) and fixedly connected with a sixth bevel gear (2509), the sixth bevel gear (2509) is meshed with the fifth bevel gear (2508), the air distribution plate (7) is fixedly arranged on the rotating seat (2506), and the second air supply pump (2505) is fixedly arranged on the lifting bracket (2502) and is fixedly connected with the air supply plate (2500) through the second air supply plate (2500).

9. A motor rotor vacuum die casting apparatus as defined in claim 5 wherein: the die-casting assembly comprises an upper die (3) and is characterized in that an installation cavity (34) is formed in the upper die (3), the die-casting assembly comprises a lifting disc (321), a pressurizing disc (322), a connecting sleeve (323) and a seventh telescopic cylinder (324), the lifting disc (321) is slidably installed in the installation cavity (34), the pressurizing disc (322) is arranged on the inner side of a die cavity of the upper die (3), the connecting sleeve (323) is slidably installed in the upper die (3) and fixedly connected with the lifting disc (321) and the pressurizing disc (322), the seventh telescopic cylinder (324) is vertically fixedly connected into the installation cavity (34), and the movable end of the seventh telescopic cylinder (324) is fixedly connected with the lifting disc (321).

10. A motor rotor vacuum die casting apparatus as defined in claim 9 wherein: the dummy shaft (53) penetrates through the lower die, the mounting cavity (34) and the connecting sleeve (323), an exhaust groove (531) is formed in the outer side wall of the dummy shaft (53), an exhaust interface (532) is fixedly connected to the top end of the dummy shaft (53), and an exhaust passage (533) for communicating the exhaust interface (532) and the exhaust groove (531) is formed in the dummy shaft (53) and is kept communicated; the vacuumizing assembly comprises a vacuum pump (311) and an exhaust pipe (312), wherein the vacuum pump (311) is fixedly arranged at the top of the lower die, and the exhaust pipe (312) is assembled on the vacuum pump (311) and is in nested insertion connection with the exhaust interface (532).