CN105008067B - Possess the rotor casting device of Sliding Control formula degassing function and utilize rotor and the casting method thereof of this rotor casting device - Google Patents
Possess the rotor casting device of Sliding Control formula degassing function and utilize rotor and the casting method thereof of this rotor casting device Download PDFInfo
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- CN105008067B CN105008067B CN201480010973.1A CN201480010973A CN105008067B CN 105008067 B CN105008067 B CN 105008067B CN 201480010973 A CN201480010973 A CN 201480010973A CN 105008067 B CN105008067 B CN 105008067B
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- casting device
- control formula
- sliding control
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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
- B22D19/00—Casting in, on, or around objects which form part of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0054—Casting in, on, or around objects which form part of the product rotors, stators for electrical motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Induction Machinery (AREA)
Abstract
The rotor casting device (10) of the present invention includes: die assembly (100), and it inserts for the magnetic core (C) of rotor (R), and melt is injected into this die assembly;Exhaust unit, it, before injecting melt inside above-mentioned die assembly, controls the air within the mold cavity of die assembly (100) in sliding manner and makes it discharge;And pressurization part assembly (300), the melt being filled into die assembly (100) is pressurizeed by it.The present invention, before injecting melt for cast rotor, controls the air within mold cavity in a sliding manner and makes it discharge such that it is able to improve the castability of rotor.
Description
Technical field
The present invention relates to rotor casting device and method, more particularly, to injecting melt for cast rotor
Before, control the air within mold cavity in a sliding manner and make it discharge such that it is able to improve the casting matter of rotor
That measures possesses the rotor casting device of Sliding Control formula degassing function and utilizes rotor and the casting thereof of this rotor casting device
Make method.
Background technology
Rotor (Rotor) is the general designation of the rotating part of motor or electromotor, with reference to Fig. 1 and Fig. 2, to such
Rotor illustrates.Fig. 1 is the concept map of the magnetic core representing general rotor, and Fig. 2 is to represent at the magnetic shown in Fig. 1
On core, by aluminum melt the concept map of the rotor defining upper and lower end ring with foundry engieering.
As it is shown in figure 1, magnetic core (C) is consisted of the multiple iron core (C1) being formed with multiple groove (C2) of stacking.
Inject melt after such magnetic core (C) is installed to the mould (not shown) of regulation, make melt pass through groove
(C2) harden, be consequently formed the rotor (R) shown in Fig. 2.Now, as in figure 2 it is shown, rotor (R) is formed
In formation top, top and the bottom end ring (C3) and the shape of bottom end ring (C4) of iron core (C1), or formed not
There are top end ring (C3) and/or the shape of bottom end ring (C4).
As the conventional method of cast rotor (R), have and utilize the centre spinning of centrifugal casting machine, utilization to hang down
The vertical high pressure casting of straight method for implanting, utilize the horizontal high-pressure casting etc. of horizontal injection mode.
The method for manufacturing rotor that make use of centre spinning has the efficiency of higher filling rate and excellence, but existence can not
Widely used problem.
Further, the vertical high pressure casting utilizing rectilinear method for implanting possesses higher production capacity, the most at present quilt
It is widely used, but concentrates on side owing to injecting the input gate of melt, there is no gas in the part of input gate in the rotor
Bubble is distributed in isolation, thus the unbalanced of rotor occurs, and produces vibrating noise, causes efficiency to decline.It addition, by
The most in the amount of runner, the amount of the aluminum therefore consumed is more, causes melting what the production costs such as expense rising rose again
Problem.
It addition, in the case of make use of the horizontal high-pressure casting of horizontal injection mode, owing to using cheap dress
Put, and the amount of the aluminum consumed is less, therefore, it is possible to produce rotor with relatively low production cost, but and other
Manufacture method is compared, and there is the problem that filling rate is relatively low.
Summary of the invention
Technical task
The present invention researches and develops to solve problem points described above, it is an object of the invention to provide a kind of in order to
Cast rotor and before injecting melt, control the air within mold cavity in a sliding manner and make it discharge, thus
The rotor casting device possessing Sliding Control formula degassing function of the castability of rotor can be improved and utilize this rotor
The rotor of casting device and casting method thereof.
Problem solution
In order to achieve the above object, the rotor casting device of the present invention includes: die assembly, and it is inserted for the magnetic core of rotor
Enter, and melt is injected into this die assembly;Exhaust unit, it is injecting fusing to the inside of above-mentioned die assembly
Before liquid, control the air of the inside of above-mentioned die assembly in sliding manner and make it discharge;And pressurization part assembly, its
Pressurizeing the melt being filled in above-mentioned die assembly, above-mentioned rotor casting device is characterised by, above-mentioned row
Gas unit includes: vacuum pump, and it is by externally discharged for the air of the inside of above-mentioned die assembly;Air bleeding valve, it selects
Property ground the connection line between inside and the above-mentioned vacuum pump of above-mentioned die assembly is closed;Conical blocks, itself and formation
Taper seat in the one side of above-mentioned air bleeding valve carries out face contact;And Lift Part, it makes above-mentioned conical blocks to bottom side
To movement, above-mentioned air bleeding valve is made to move in sliding manner.
It addition, according to the present invention, above-mentioned die assembly includes: the die main body of hollow, it inserts for above-mentioned magnetic core;
First end forming portion, it is located at the side of above-mentioned die main body and for forming the one side of above-mentioned rotor;And second
End forming portion, it is located at the opposite side of above-mentioned die main body, moves, for shape along with the action of above-mentioned air bleeding valve
Become the another side of above-mentioned rotor.
It addition, according to the present invention, above-mentioned pressurization part assembly includes: take out cylinder, its promote the rotor that cast and
Take out the rotor cast;And drive division, above-mentioned taking-up cylinder is driven by it, above-mentioned the second end forming portion
The air bleeding valve inserted including the part for above-mentioned air bleeding valve inserts hole.
It addition, according to the present invention, above-mentioned air bleeding valve includes: conus portion, its have be inserted into above-mentioned air bleeding valve insert hole
In external diameter, insert to above-mentioned air bleeding valve and extend outside hole, and be close to the another side of above-mentioned magnetic core and face shape around
Become the certain space being used for being formed the top end ring of above-mentioned rotor;And passage, it inserts for above-mentioned taking-up cylinder.
It addition, according to the present invention, above-mentioned conical blocks includes: conus portion, it is formed as the shape corresponding with above-mentioned taper seat
Shape, contacts carrying out face with above-mentioned taper seat;And joint portion, it is combined with the end of above-mentioned Lift Part.
It addition, according to the present invention, above-mentioned Lift Part includes: actuator, it drives above-mentioned circular cone in the vertical direction
Block;And housing, it is used for receiving above-mentioned actuator.
It addition, according to the present invention, above-mentioned first end forming portion is close to part what the one side with above-mentioned magnetic core was close to
Possesses the certain space of bottom end ring for forming above-mentioned rotor.
It addition, according to the present invention, above-mentioned the second end forming portion is close to portion what the another side with above-mentioned magnetic core was close to
Divide the certain space possessing the top end ring for forming above-mentioned rotor.
It addition, according to the present invention, above-mentioned first end forming portion includes: seal member, it is for above-mentioned mould master
The side end part of body seals;Hand-hole, its through above-mentioned seal member, make melt be injected into above-mentioned mould
Tool main body side;And air purge hole.
It addition, according to the present invention, above-mentioned pressurization part assembly also includes multiple recipient, the plurality of recipient is by above-mentioned
Drive division and be driven, pressurize, to improve above-mentioned upper end ring filling rate, above-mentioned the second end forming portion
Also including that multiple recipient inserts hole, above-mentioned multiple recipients are inserted into the plurality of recipient and insert in the hole.
It addition, according to the present invention, above-mentioned air bleeding valve also includes the flange being formed with above-mentioned taper seat, at above-mentioned flange also
It is formed for multiple recipients insertion hole that above-mentioned multiple recipients insert.
It addition, according to the present invention, be formed for the taking-up of the through long hole shape of above-mentioned taking-up cylinder at above-mentioned conus portion
Cylinder through hole and the multiple recipient through holes for the through long hole shape of above-mentioned multiple recipients.
It addition, the rotor of the present invention in order to achieve the above object possesses Sliding Control formula by be configured to said structure
The rotor casting device of degassing function and cast.
It addition, the rotor casting method of the present invention in order to achieve the above object comprises the steps: by above-mentioned mould
Connection line between inside and the above-mentioned vacuum pump of assembly, discharges the air of the inside of above-mentioned die assembly, wherein, is somebody's turn to do
Connection line is to be formed by the opposite side of above-mentioned the second end forming portion with above-mentioned die main body is separated certain intervals
's;Utilize and carry out the above-mentioned air bleeding valve of action by above-mentioned Lift Part, above-mentioned the second end forming portion seal
State the opposite side of die main body;Inject melt to the inside of above-mentioned die assembly and pressurize and cast out above-mentioned rotor;
And above-mentioned taking-up cylinder advances forward and takes out above-mentioned rotor.
Invention effect
The present invention possesses following advantage: before injecting melt for cast rotor, controls mould in a sliding manner
Have the air in intracavity portion and make it discharge such that it is able to improve the castability of rotor.
Accompanying drawing explanation
Fig. 1 is the concept map of the magnetic core representing general rotor.
Fig. 2 is to represent on the magnetic core shown in Fig. 1, by aluminum melt and define upper and lower end ring with foundry engieering
The concept map of rotor.
Fig. 3 is the casting machine representing the rotor casting device possessing Sliding Control formula degassing function being provided with the present invention
The axonometric chart of outward appearance.
Fig. 4 and Fig. 5 is the rotor casting device possessing Sliding Control formula degassing function representing one embodiment of the invention
The combination axonometric chart of constituent relation and exploded perspective view.
Fig. 6 to Figure 11 is to represent the casting device according to the present invention and the concept map of the order of cast rotor.
Fig. 6 represents can be by state before the action of the exhaust unit of the air discharge within mold cavity.
Fig. 7 represents the state that may be cast as by utilizing the action of exhaust unit injecting pressure of melt.
Fig. 8 represents the state being filled along with injecting melt.
Fig. 9 represents raising filling rate and makes the state of recipient action.
Figure 10 represents the state that melt injection unit is separated.
Figure 11 represents by the process taking out the rotor that cylinder taking-up is cast.
Figure 12 and Figure 13 is the upper of the rotor that cast by conventional casting method and the casting method of the present invention respectively
The profile of portion's end ring.
Detailed description of the invention
Below, according to appended accompanying drawing, the preferred embodiments of the present invention are described in more details.
Fig. 3 is the casting machine representing the rotor casting device possessing Sliding Control formula degassing function being provided with the present invention
The axonometric chart of outward appearance.As it is shown on figure 3, the rotor casting device of the present embodiment is located at and is made up of multiple segmented molds
The inside of casting machine (1) and constitute.But, such casting machine (1) possesses general structure, therefore omits
Explanation to this, is main illustrating to be located at the structural relation of its internal rotor casting device.
Fig. 4 and Fig. 5 is the rotor casting device possessing Sliding Control formula degassing function representing one embodiment of the invention
The combination axonometric chart of constituent relation and exploded perspective view.
As shown in Figures 1 to 5, the rotor casting device (10) of the present embodiment includes: die assembly (100), its
Magnetic core (C) for rotor (R) inserts, and melt is injected in this die assembly (100);Exhaust unit
(200), it, before injecting melt to the inside of die assembly (100), controls die assembly in sliding manner
(100) the air within mold cavity and make it discharge;Pressurization part assembly (300), it is to being filled into die assembly
(100) melt pressurizes.
Die assembly (100) is made up of such as lower component: for the cylindric mould master of the hollow that magnetic core (C) inserts
Body (110);First end forming portion (120), it is located at the side of die main body (110) and is used for forming rotor
(R) one side;And the second end forming portion (130), it is located at the opposite side of die main body (110) and uses
In the another side forming rotor (R).
About above-mentioned first end forming portion (120), the side of its sealed mold main body (110) and be close to magnetic core
(C) one side, is used for being formed the one side of rotor (R), to be close to partly possess certain space at it
In the case of mode is constituted, also serve as the purposes of the bottom end ring (C4) forming rotor (R).That is, first end
Forming portion (120) also acts as the effect of lower end ring forming portion.
Further, about the second end forming portion (130), the opposite side of its optionally sealed mold main body (110)
And it is close to the another side of magnetic core (C), it is used for being formed the another side of rotor (R), to be close to portion at it
In the case of dividing the mode possessing certain space to constitute, also serve as the use of the top end ring (C3) forming rotor (R)
On the way.That is, the second end forming portion (130) also acts as the effect of upper end ring forming portion.
Therefore, in the present embodiment, possesses bottom end ring (C4) and top end ring (C3) turns to casting
One example of the constituent relation of son (R) illustrates.
To this end, pressurization part assembly (300) including: be inserted into multiple recipients (320) of the second end forming portion (130);
Promote the rotor (R) cast the taking-up cylinder (330) taken out;For driving taking-up cylinder (330) and many
The drive division (310) of individual recipient (320).
According to such structure, it is formed at a part of region of rotor (R) (in this embodiment by prominent for pressure ram
For top end ring), then by recipient (320), pressure ram pressurization is improved the charging efficiency of melt.To this end,
Recipient (320) only inserts into a part of region of the most through the second end forming portion (130), and to its remaining area
The melt filled is injected in territory, is consequently formed pressure ram.Afterwards, pressure ram is pressurizeed by recipient (320).
To this, by aftermentioned.
It addition, the second end forming portion (130) including: cylindric insertion section main body (131), its sealed mold
The opposite side end section of main body (110);Air bleeding valve inserts hole (133), and it is with through insertion section main body (131)
The mode of central part formed, so that a part for the air bleeding valve (210) of exhaust unit described later (200) can be inserted
Enter;And multiple recipient inserts hole (132), its at the central part periphery of insertion section main body (131) with through insertion
The mode of portion's main body (131) is formed, so that multiple recipient (320) is inserted into.
It addition, in this embodiment, die main body (110) possesses the cylindrical shape of hollow, and is formed as left and right sides end
The tubulose that end portion is opened.Further, the second end forming portion (130) possesses for covering die main body (110)
Figure in the insertion section main body (131) of patent part, right side.Now, recipient inserts hole (132) and air bleeding valve is inserted
Hand-hole (133) through insertion section main body (131).
But, as it has been described above, formed the second end forming portion (130) purpose be make recipient (320) and
While taking out cylinder (330) insertion, seal the one side of die main body (110), as long as and can reach so
Purpose, the second end forming portion (130) and die main body (110) integral part of situation or possess other shapes
Situation also belong to the scope of the present invention.
It addition, represent situation about being formed as follows in this embodiment: formed from insertion section main body (131)
To die main body (110) side to prominent and after inserting short raised (131a) of the inside of die main body (110),
Recipient inserts hole (132) and air bleeding valve inserts hole (133) through short projection (131a).
Now, as it has been described above, recipient (320) is not to be inserted into recipient to insert the Zone Full in hole (132)
(in other words, to die main body (110) the side end section that recipient inserts hole (132)), but the most slotting
Entering to a part of region (such as, intermediate location), remaining area is the most empty.Here, to empty remaining area note
Enter melt and form pressure ram, by the recipient (320) the pressure ram pressurization to being formed.
Further, first end forming portion (120) including: seal member (121), its sealed mold main body (110)
Side end part;Hand-hole (122), its through seal member (121) and make melt be injected into mould master
Body (110) side;And air purge hole (123).Now, seal member (121) possesses necessarily with its inboard portion
The mode of inner space is constituted, and forms the bottom end ring (C4) of rotor (R) by the melt that is filled in herein.
But, in the case of need not the rotor (R) of bottom end ring (C4), seal member (121) is by discoid
Disk constitute.
Represent that the seal member (121) of first end forming portion (120) covers die main body (110) in the present embodiment
Accompanying drawing on the situation in left open portion.It addition, in the present embodiment, 9 hand-holes (122) and 1 are represented
Individual air purge hole (123) through seal member (121) and the example that formed.
But, as described above, the purpose forming first end forming portion (120) is, makes melt be injected into mould
Tool main body (110) side, and form the one side of rotor (R), as long as and such purpose can be reached, even if
Seal member (121) in first end forming portion (120) is as illustratively separated landform with die main body (110)
In the case of becoming or forming with die main body (110), also belong to the scope of the present invention.It addition, inject
Hole (122) can form 4 to 12.
Above-mentioned exhaust unit (200) is as before injecting melt to the inside of die assembly (100), by mould
The air within mold cavity of assembly (100), to the unit of outside drain, is made up of such as lower component: vacuum pump is (not
Diagram), it is by externally discharged for the air of the inside of die assembly (100);Air bleeding valve (210), it is optionally
Connection line between inside and the vacuum pump of sealed mold assembly (100);Conical blocks (220), itself and air bleeding valve (210)
One side carry out face contact;And Lift Part (230), conical blocks (220) is moved to direction, bottom, makes by it
Air bleeding valve (210) moves in sliding manner.
Above-mentioned air bleeding valve (210) is to be inserted into the state of the second end forming portion (130) of die assembly (100)
Action integratedly.Therefore, air bleeding valve (210) is configured to possess the aerofluxus being inserted into the second end forming portion (130)
Valve inserts the external diameter in hole (133), and possesses conus portion (211) in one side end side, possesses confession therein
Take out the passage (212) of cylinder (330) movement.It addition, air bleeding valve (210) possesses flange (214) at opposite side,
This flange (214) is formed with the taper seat (213) that conus portion (221) face with conical blocks (220) contacts.?
This, the recipient being also formed with for recipient (320) inserts at flange (214) inserts hole (215).
It addition, conus portion (211) inserts the terminal part in hole (133) to magnetic core (C) side to extension from air bleeding valve
And fixed magnetic core (C).Thus, around conus portion (211), formation is filled up melt and is formed rotor (R)
The space of top end ring (C3).
It addition, in this embodiment, hole (133) is inserted along with the end side at air bleeding valve (210) possesses from air bleeding valve
Terminal part extend and the conus portion (211) that formed, another of magnetic core (C) is close in the end of conus portion (211)
Side.But, in the case of not possessing conus portion (211), the end of the second end forming portion (130) is close to
The fixed magnetic core (C) in the another side of magnetic core (C).
As it has been described above, the purpose arranging above-mentioned conus portion (211) is, what magnetic core (C) pressurization was fixed
Meanwhile, it is used for being formed the space of the top end ring (C3) of rotor (R), as long as and can reach in offer about
Such purpose, even if conus portion (211) possesses other shapes, also belongs to the scope of the present invention.
Above-mentioned conical blocks (220) possesses: conus portion (221), and it is formed with the shape corresponding with taper seat (213),
Contact carrying out face with the taper seat of air bleeding valve (210) (213);Joint portion (222), itself and Lift Part (230)
End combine.Further, it is formed for taking out taking of the through long hole shape of cylinder (330) at conus portion (221)
Go out cylinder through hole (223) and the multiple recipient through holes (224) for recipient (320) through long hole shape.This
Time, through hole (223,224) even if be formed as conical blocks (220) lift in the vertical direction also will not by cylinder (330,
320) the sufficient length of the degree blocked.
It addition, the purpose arranging conical blocks (220) is along with the action of Lift Part (230), make air bleeding valve (210)
Move in sliding manner, as long as and such purpose can be reached, even if conical blocks (220) possesses other shapes,
Also the scope of the present invention is belonged to.
Above-mentioned Lift Part (230) includes the actuator (not shown) driving conical blocks (220) in the vertical direction
Housing (231) with storage actuator.Here, actuator is to make conical blocks (220) move in the vertical direction
The general designation of the machine made.Such as, the cylinder actuator of normally used hydraulic pressure or air pressure can be used.Or can use
Engage with conical blocks (220) and make that conical blocks (220) moves in the vertical direction as such in gear mechanically actuated
Device.Or electric actuator as such in motor can be used.
Accordingly, with respect to the actuator of the present invention, as long as conical blocks (220) can be made to move in the vertical direction, then
The scope of the present invention is independently belonged to its kind.
When representing in this embodiment in the housing (231) of the writing board shape after actuator is built in thickness,
The state that the load (232) of actuator and the joint portion (222) of conical blocks (220) combine.But, it is only for
For an example of the present invention is described, such as, or not is not built in housing (231) at actuator and is installed on housing (231)
In the case of Wai Ce, also belong to the scope of the present invention.
It addition, in the present embodiment, carried out the aerofluxus that die assembly (100) is internal by vacuum pump.Here, it is true
The exhaust line of empty pump is by the air purge hole (123) of first end forming portion (120), central the leading to of magnetic core (C)
Gap between hole and die main body (110) and the second end forming portion (130) is formed.Thus, vacuum pump is passed through
The aerofluxus carried out is to inject before melt to the inside of die assembly (100), i.e. die main body (110) with
Realize under the state that the second end forming portion (130) is not close to, and along with injecting melt, according to the most above-mentioned
Operating principle, then can not when die main body (110) and the second end forming portion (130) are snugly into each other
Realize aerofluxus.That is, internal air was arranged before injecting melt to the inside of die assembly (100) by the present invention
Putting, injecting the time point of melt, each constitutive requirements are close to by the shape that can cast to utilize principle of confounding.
It addition, the drive division (310) of pressurization part assembly (300) includes driving takes out cylinder (330) and recipient
(320) actuator (not shown) and the housing (311) of storage actuator.Here, actuator is can to make to take
Go out cylinder (330) and recipient (320) is advanced forward and travels rearwardly the general name of machine of action.Such as, can make
With normally used hydraulic pressure or the cylinder actuator of air pressure.Or can use and engage with each cylinder (320,330)
And the mechanical actuator as such in gear making cylinder (320,330) advance forward and travelling rearwardly.Or can make
With electric actuator as such in motor.
Accordingly, with respect to the actuator of the present invention, as long as each cylinder (320,330) can be made to advance forward and backward
Advance, then independently belong to the scope of the present invention with its kind.
Situation in the housing (311) of the disc-shape after expression actuator is built in thickness in the present embodiment.But
It is that this is only the example for the present invention is described, such as, be not built in housing (311) at actuator and be arranged on
In the case of the outside of housing (311), also belong to the scope of the present invention.
As above-mentioned, it is possible at the casting device (10) by the present invention by the air that die assembly (100) is internal
Rotor (R) is cast out under the state of discharge.
Below, with reference to Fig. 6 to Figure 11, to utilizing the casting device (10) of the present invention and the side of cast rotor (R)
Method illustrates.
Fig. 6 to Figure 11 is to represent the casting device by the present invention and the concept map of the order of cast rotor, Fig. 6 table
Showing state before the action of the exhaust unit that can discharge the air within mold cavity, Fig. 7 represents by utilizing melt
The state injecting the action of exhaust unit of pressure and may be cast as, Fig. 8 represents the shape being filled along with injecting melt
State, Fig. 9 represents raising filling rate and makes the state of recipient action, and Figure 10 represents that melt injection unit is divided
From state, Figure 11 represents and takes out the process of rotor cast by taking out cylinder.
As it has been described above, the rotor casting method of the present invention is utilization possesses turning of the Sliding Control formula degassing function of the present invention
Sub-casting device (10) and the method for cast rotor.It addition, rotor casting device (10) mould in the early stage of the present invention
Formed under the state that tool main body (110) and the second end forming portion (130) are not close to.
Present invention resides in before melt is injected in the inside of die assembly (100), make the air discharge of inside
Steps of exhausting (with reference to Fig. 6).To this end, by the air purge hole (123) of first end forming portion (120), magnetic
Core (C) central authorities through hole and and die main body (110) with the second end forming portion (130) between gap be connected
Exhaust line, utilize vacuum pump to make air discharge.
Then, it is passed to vacuum pump and Lift Part (230) when melt is injected into the signal of melt injection unit
Time, vacuum pump does not reoperates, and Lift Part (230) carries out action, makes conical blocks (220) move to direction, bottom.
So, along with conical blocks (220) moves in direction, portion gradually downward, conus portion (221) gradually promotes air bleeding valve (210)
Taper seat (213).Thus, air bleeding valve (210) and the second end forming portion (130) move simultaneously, the second end
Portion's forming portion (130) is close to die main body (110) and the opposite side part of sealed mold main body (110), row
The another side of magnetic core (C) is close to and fixed magnetic core (C) (with reference to Fig. 7) in the end of air valve (210).That is,
Perform to seal step described above after steps of exhausting.
It addition, before performing steps of exhausting, can perform magnetic core (C) is inserted into the pre-of die main body (110)
Standby step.It addition, manufacture melt before may additionally include the steps of exhausting performing to make air discharge by vacuum pump
Melt manufacturing step.Now, by many results shows, melt be preferably used purity be 99.5% with
On aluminum, the melt temperature of melted aluminum is 700 DEG C to 750 DEG C.
It addition, the present invention includes a part of district that recipient (320) only inserts into the second end forming portion (130)
The inserting step (with reference to Fig. 7) in territory.Now, as it has been described above, recipient (320) can be only insertd into the second end
The recipient of forming portion (130) inserts a part of region in hole (132), and utilizes remaining space to form pressure ram.
It addition, represent that recipient (320) only inserts into recipient and inserts a part of region in hole (132) in the figure 7,
The situation that remaining area (130a) is the most empty.Inject melt to remaining area (130a) and form extruding described later
Bar.
After performing inserting step, perform to utilize melt injection unit (240) to fill to die main body (110)
Melt forms the end ring forming step (with reference to Fig. 8) of bottom end ring (C4) and top end ring (C3).Holding
After the such end ring forming step of row, perform to be injected in the second end forming portion (130) melt of filling
Remaining region (130a) after middle insertion recipient (320) and on top end ring (C3), form pressure ram (SB)
Pressure ram forming step (with reference to Fig. 9).
As it has been described above, the recipient that recipient (320) only inserts into the second end forming portion (130) inserts hole (132)
A part of region, and remaining area (130a) is by empty (with reference to Fig. 8), therefore at remaining area (130a)
Middle filling melt and ultimately form pressure ram (SB) (with reference to Fig. 9).Then, perform to separate melt injection unit
(240), make recipient (320) advance forward and pressure ram (SB, with reference to Fig. 9) pressurization is carried out cast rotor (R)
Step (with reference to Figure 10).In other words, after being formed than the original higher volume of pressure ram of rotor (R) volume,
By pressure ram is pressurizeed such that it is able to compensate the cooling compression generally occurred, improve castability.
It addition, be test result indicate that by many, preferably after forming pressure ram (SB), at 0.05 second to 3 second
Make recipient (320) advance forward afterwards, thus pressure ram (SB) is pressurizeed.Further, pressure ram (SB) shape
Become the top end ring (C3, with reference to Fig. 9) at rotor (R), and be formed as possessing 2mm from top end ring (C3)
To the height of 10mm and the cylindrical shape of the diameter of 1mm to 15mm.
Further, after performing the step to pressure ram pressurization, perform to make taking-up cylinder (330) advance forward and take
Go out the taking-up step of rotor (R).Now, when taking out cylinder (330) and advancing forward, by described above
After the passage (212) of air bleeding valve (210), drive rotor (R) and make rotor (R) from die main body (110)
Depart from, thus take out rotor.
By the rotor casting method of invention as described above, it is possible to increase the filling rate of melt and easily improve casting
Quality.
Below, situation about being cast by the present invention is compared with situation about being cast by conventional casting method
Illustrate.
Figure 12 is the cross sectional photograph of the top end ring cast by conventional art, and Figure 13 is to be cast by the present invention
The cross sectional photograph of top end ring.As shown in figure 12, in the case of being cast by conventional art, because failing row
The air put, the filling rate of melt is about 79%, organizes defective tightness, at some local generation pore.But,
As shown in figure 13, in the case of being cast by the present invention, along with injecting before melt mold cavity inside
Air discharge, thus the filling rate of melt is about 98%, tissue tight.
Described above only according to the rotor casting device possessing Sliding Control formula degassing function of the present invention and
The rotor utilizing this rotor casting device and cast and the embodiment of casting method thereof, the invention is not restricted to above-mentioned enforcement
Example, as described in the following claims, those skilled in the art are in the situation without departing from idea of the invention
Under can carry out various change, and these changing ranges also possess the technical spirit of the present invention.
Probability is utilized in industry
The present invention, before injecting melt for cast rotor, controls the air within mold cavity in a sliding manner
And make it discharge such that it is able to improve the castability of rotor, therefore manufacture household electrical appliances and the AC faradism of industry
It is highly useful during motivation rotor etc..
Claims (14)
1. possessing a rotor casting device for Sliding Control formula degassing function, this rotor casting device includes: set of molds
Part, it inserts for the magnetic core of rotor, and melt is injected in this die assembly;Exhaust unit, it is to above-mentioned
Before melt is injected in the inside of die assembly, control the air of the inside of above-mentioned die assembly in sliding manner and make it
Discharge;And pressurization part assembly, the melt being filled in above-mentioned die assembly pressurizes by it,
Above-mentioned rotor casting device is characterised by,
Above-mentioned exhaust unit includes: vacuum pump, and it is by externally discharged for the air of the inside of above-mentioned die assembly;Aerofluxus
Valve, the connection line between inside and the above-mentioned vacuum pump of above-mentioned die assembly is optionally closed by it;Conical blocks,
It carries out face with the taper seat of the one side being formed at above-mentioned air bleeding valve and contacts;And Lift Part, it makes above-mentioned conical blocks
Move to direction, bottom, make above-mentioned air bleeding valve move in sliding manner.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 1, it is characterised in that
Above-mentioned die assembly includes: the die main body of hollow, and it inserts for above-mentioned magnetic core;First end forming portion, its
It is located at the side of above-mentioned die main body and for forming the one side of above-mentioned rotor;And the second end forming portion, it is located at
The opposite side of above-mentioned die main body, moves along with the action of above-mentioned air bleeding valve, for forming the opposite side of above-mentioned rotor
Face.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 2, it is characterised in that
Above-mentioned pressurization part assembly includes: take out cylinder, and it promotes the rotor that the rotor that cast and taking out has cast;
And drive division, above-mentioned taking-up cylinder is driven by it, and above-mentioned the second end forming portion includes for above-mentioned air bleeding valve
The air bleeding valve of partial insertion inserts hole.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 3, it is characterised in that
Above-mentioned first end forming portion with the one side of above-mentioned magnetic core be close to be close to part possess for being formed above-mentioned
The certain space of the bottom end ring of rotor.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 4, it is characterised in that
Above-mentioned air bleeding valve includes: conus portion, and it has the external diameter being inserted in above-mentioned air bleeding valve insertion hole, to above-mentioned row
Air valve inserts and extends outside hole, and be close to the another side of above-mentioned magnetic core and around face formed for forming above-mentioned rotor
The certain space of top end ring;And passage, it inserts for above-mentioned taking-up cylinder.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 5, it is characterised in that
Above-mentioned conical blocks includes: conus portion, and it is formed as the shape corresponding with above-mentioned taper seat, with above-mentioned taper seat
Carry out face contact;And joint portion, it is combined with the end of above-mentioned Lift Part.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 6, it is characterised in that
Above-mentioned Lift Part includes: actuator, and it drives above-mentioned conical blocks in the vertical direction;And housing, it is used for
Receive above-mentioned actuator.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 4, it is characterised in that
What above-mentioned the second end forming portion was close in the another side with above-mentioned magnetic core is close to partly possess for formation
State the certain space of the top end ring of rotor.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 3, it is characterised in that
Above-mentioned first end forming portion includes: seal member, and it is for entering the side end part of above-mentioned die main body
Row seals;Hand-hole, its through above-mentioned seal member, make melt be injected into above-mentioned die main body;And air discharge
Hole.
The rotor casting device possessing Sliding Control formula degassing function the most according to claim 6, its feature exists
In,
Above-mentioned pressurization part assembly also includes that multiple recipient, the plurality of recipient are driven by above-mentioned drive division,
Pressurize, to improve above-mentioned upper end ring filling rate,
Above-mentioned the second end forming portion also includes that multiple recipient inserts hole, and above-mentioned multiple recipients are inserted into the plurality of squeezing
Pressure cylinder inserts in the hole.
The 11. rotor casting devices possessing Sliding Control formula degassing function according to claim 10, its feature exists
In,
Above-mentioned air bleeding valve also includes the flange being formed with above-mentioned taper seat, is also formed with for above-mentioned multiple crowded at above-mentioned flange
Multiple recipients that pressure cylinder inserts insert hole.
The 12. rotor casting devices possessing Sliding Control formula degassing function according to claim 10, its feature exists
In,
It is formed for the taking-up cylinder through hole of the through long hole shape of above-mentioned taking-up cylinder and for above-mentioned at above-mentioned conus portion
Multiple recipient through holes of the long hole shape that multiple recipients are through.
13. 1 kinds of rotors, it is characterised in that it is by possessing described in any one in claim 1 to 12
The rotor casting device of Sliding Control formula degassing function and cast.
14. 1 kinds of rotor casting methods possessing Sliding Control formula degassing function, utilize possessing described in claim 3
The rotor casting device of Sliding Control formula degassing function and cast out rotor,
The casting of this rotor is characterised by, comprises the steps:
By the connection line between inside and the above-mentioned vacuum pump of above-mentioned die assembly, discharge the inside of above-mentioned die assembly
Air, wherein, this connection line is by being separated by the opposite side of above-mentioned the second end forming portion with above-mentioned die main body
Certain intervals and formed;
Utilize and carry out the above-mentioned air bleeding valve of action by above-mentioned Lift Part, above-mentioned the second end forming portion seal
State the opposite side of die main body;
Inject melt to the inside of above-mentioned die assembly and pressurize, cast out above-mentioned rotor;And
Above-mentioned taking-up cylinder is advanced forward and is taken out above-mentioned rotor.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2013-0156837 | 2013-12-17 | ||
KR1020130156837A KR101551809B1 (en) | 2013-12-17 | 2013-12-17 | Rotor molding apparatus having slide-controlled vent function, rotor manufactured using the same and rotor molding method |
PCT/KR2014/007286 WO2015093709A1 (en) | 2013-12-17 | 2014-08-06 | Rotor casting apparatus having slide-controlled venting function, rotor cast therewith, and method for casting same |
Publications (2)
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CN105008067A CN105008067A (en) | 2015-10-28 |
CN105008067B true CN105008067B (en) | 2016-08-17 |
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CN201480010973.1A Active CN105008067B (en) | 2013-12-17 | 2014-08-06 | Possess the rotor casting device of Sliding Control formula degassing function and utilize rotor and the casting method thereof of this rotor casting device |
Country Status (4)
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JP (1) | JP6117428B2 (en) |
KR (1) | KR101551809B1 (en) |
CN (1) | CN105008067B (en) |
WO (1) | WO2015093709A1 (en) |
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CN109070202A (en) * | 2016-11-11 | 2018-12-21 | 艾科塔·侯赛因·G·米斯特里 | New Type Alternating Current copper rotor die casting machine and die-casting process |
CN109530654A (en) * | 2018-12-10 | 2019-03-29 | 陕西法士特汽车传动集团有限责任公司 | A kind of low pressure casting die and its installation method of aluminium alloy outer rotor casting |
KR102180690B1 (en) * | 2020-10-19 | 2020-11-19 | 박대근 | Ventilator for casting mold |
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- 2014-08-06 JP JP2016510636A patent/JP6117428B2/en active Active
- 2014-08-06 WO PCT/KR2014/007286 patent/WO2015093709A1/en active Application Filing
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JP2602730B2 (en) * | 1990-05-02 | 1997-04-23 | 東洋機械金属株式会社 | Rotor die casting two-piece mold casting method and its structure |
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Also Published As
Publication number | Publication date |
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JP6117428B2 (en) | 2017-04-19 |
KR101551809B1 (en) | 2015-09-09 |
WO2015093709A1 (en) | 2015-06-25 |
CN105008067A (en) | 2015-10-28 |
JP2016516589A (en) | 2016-06-09 |
KR20150070524A (en) | 2015-06-25 |
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