CN105008067A - Rotor casting apparatus having slide-controlled venting function, rotor cast therewith, and method for casting same - Google Patents
Rotor casting apparatus having slide-controlled venting function, rotor cast therewith, and method for casting same Download PDFInfo
- Publication number
- CN105008067A CN105008067A CN201480010973.1A CN201480010973A CN105008067A CN 105008067 A CN105008067 A CN 105008067A CN 201480010973 A CN201480010973 A CN 201480010973A CN 105008067 A CN105008067 A CN 105008067A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- rotor
- slip control
- casting device
- control formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Induction Machinery (AREA)
Abstract
A rotor casting apparatus (10) according to the present invention comprises: a die assembly (100) into which the core (C) of a rotor (R) is inserted and molten metal is injected; a venting means (200) for controlling and venting the air in the interior of the die cavity of the die assembly (100) by means of a slide method prior to pouring into the interior of the die assembly (100); and a pressing unit assembly (300) for applying pressure on the molten metal filling the die assembly (100). The present invention has the benefit of enhancing the cast quality of the rotor by controlling and venting the air in the interior of the die cavity by means of the slide method before pouring to cast the rotor.
Description
Technical field
The present invention relates to rotor casting device and method, more specifically, relate to before injecting melt in order to cast rotor, control the air of mold cavity inside in a sliding manner and make it discharge, thus possessing the rotor casting device of slip control formula degassing function and utilizing rotor and the casting method thereof of this rotor casting device of the castability of rotor can be improved.
Background technology
The general designation of the rotating part that rotor (Rotor) is motor or generator, with reference to Fig. 1 and Fig. 2, is described such rotor.Fig. 1 is the concept map of the magnetic core representing general rotor, and Fig. 2 represents on the magnetic core shown in Fig. 1, defines the concept map of the rotor of upper and lower end ring by aluminium melt and with foundry engieering.
As shown in Figure 1, magnetic core (C) is multiplely formed with the iron core (C1) of multiple groove (C2) by stacked and forms.Inject melt after such magnetic core (C) being installed to the mould (not shown) of regulation, melt is hardened by groove (C2), form the rotor (R) shown in Fig. 2 thus.Now, as shown in Figure 2, rotor (R) is formed in the formation top, top and the bottom end ring (C3) of iron core (C1) and the shape of bottom end ring (C4), or forms the shape not having top end ring (C3) and/or bottom end ring (C4).
As the method in the past of cast rotor (R), there is the horizontal high-pressure casting etc. utilizing the centre spinning of centrifugal casting machine, utilize the vertical high pressure casting of rectilinear method for implanting, utilize horizontal injection mode.
The method for manufacturing rotor that make use of centre spinning has higher filling rate and the efficiency of excellence, but existence can not widely used problem.
And, the vertical high pressure casting of rectilinear method for implanting is utilized to possess higher production capacity, therefore be widely used at present, but because the input gate injecting melt concentrates on side, bubble in the part of input gate is not had to be distributed with isolating in the rotor, thus there is the unbalanced of rotor, produce vibrating noise, cause efficiency to decline.In addition, because the amount of runner is very many, the amount of therefore consumed aluminium is more, causes the problem melting the production cost risings such as expense rising again.
In addition, when make use of the horizontal high-pressure casting of horizontal injection mode, owing to using cheap device, and the amount of the aluminium consumed is less, therefore, it is possible to produce rotor with lower production cost, but compared with other manufacture methods, there is the problem that filling rate is lower.
Summary of the invention
Technical task
The present invention researches and develops to solve problem points described above, the object of the present invention is to provide a kind of before injecting melt in order to cast rotor, control the air of mold cavity inside in a sliding manner and make it discharge, thus possessing the rotor casting device of slip control formula degassing function and utilizing rotor and the casting method thereof of this rotor casting device of the castability of rotor can be improved.
Problem solution
In order to achieve the above object, rotor casting device of the present invention comprises: die assembly, and its magnetic core for rotor inserts, and melt is injected into this die assembly; Exhaust unit, it, before injecting melt to the inside of above-mentioned die assembly, controls the air of the inside of above-mentioned die assembly in sliding manner and makes it discharge; And pressurization part assembly, it pressurizes to the melt be filled in above-mentioned die assembly, and the feature of above-mentioned rotor casting device is, above-mentioned exhaust unit comprises: vavuum pump, its by the air venting of the inside of above-mentioned die assembly to outside; Air bleeding valve, it is optionally closed with the line that is communicated with between above-mentioned vavuum pump the inside of above-mentioned die assembly; Conical blocks, it carries out face with the taper seat of the side being formed at above-mentioned air bleeding valve and contacts; And Lift Part, it makes above-mentioned conical blocks lower portion direction move, and above-mentioned air bleeding valve is moved in sliding manner.
In addition, according to the present invention, above-mentioned die assembly comprises: the die main body of hollow, and it inserts for above-mentioned magnetic core; First end forming portion, its be located at above-mentioned die main body side and for the formation of a 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, for the formation of the another side of above-mentioned rotor along with the action of above-mentioned air bleeding valve.
In addition, according to the present invention, above-mentioned pressurization part assembly comprises: take out cylinder, and it promotes the rotor cast and takes out the rotor cast; And drive division, it drives above-mentioned taking-up cylinder, and above-mentioned the second end forming portion comprises the air bleeding valve patchhole that the part for above-mentioned air bleeding valve is inserted.
In addition, according to the present invention, above-mentioned air bleeding valve comprises: conus portion, and it has the external diameter be inserted in above-mentioned air bleeding valve patchhole, to above-mentioned air bleeding valve patchhole extension, and to be close to the another side of above-mentioned magnetic core and face forms the certain space of the top end ring for the formation of above-mentioned rotor around; And passage, it inserts for above-mentioned taking-up cylinder.
In addition, according to the present invention, above-mentioned conical blocks comprises: conus portion, and it is formed as the shape corresponding with above-mentioned taper seat, contacts to carry out face with above-mentioned taper seat; And joint portion, it is combined with the end of above-mentioned Lift Part.
In addition, according to the present invention, above-mentioned Lift Part comprises: actuator, and it drives above-mentioned conical blocks in the vertical direction; And housing, it is for receiving above-mentioned actuator.
In addition, according to the present invention, what above-mentioned first end forming portion was close in the side with above-mentioned magnetic core is close to the certain space that part possesses the bottom end ring for the formation of above-mentioned rotor.
In addition, according to the present invention, what above-mentioned the second end forming portion was close in the another side with above-mentioned magnetic core is close to the certain space that part possesses the top end ring for the formation of above-mentioned rotor.
In addition, according to the present invention, above-mentioned first end forming portion comprises: seal member, and it is for sealing the side end section of above-mentioned die main body; Hand-hole, its through above-mentioned seal member, makes melt be injected into above-mentioned die main body side; And air tap.
In addition, according to the present invention, above-mentioned pressurization part assembly also comprises multiple recipient, the plurality of recipient is driven by above-mentioned drive division, pressurize, to improve the filling rate of above-mentioned top end ring, above-mentioned the second end forming portion also comprises multiple recipient patchhole, and above-mentioned multiple recipient is inserted into the plurality of recipient and inserts in the hole.
In addition, according to the present invention, above-mentioned air bleeding valve also comprises the flange being formed with above-mentioned taper seat, is also formed with the multiple recipient patchholes inserted for above-mentioned multiple recipient at above-mentioned flange.
In addition, according to the present invention, be formed for the taking-up cylinder through hole of the through long hole shape of above-mentioned taking-up cylinder and the multiple recipient through holes for the through long hole shape of above-mentioned multiple recipient at above-mentioned conus portion.
In addition, rotor of the present invention is in order to achieve the above object cast by being configured to the rotor casting device possessing slip control formula degassing function of said structure.
In addition, rotor casting method of the present invention in order to achieve the above object comprise the steps: by the inside of above-mentioned die assembly be communicated with line between above-mentioned vavuum pump, discharge the air of the inside of above-mentioned die assembly, wherein, this connection line is formed by the opposite side of above-mentioned the second end forming portion and above-mentioned die main body is separated certain intervals; Utilize the above-mentioned air bleeding valve being carried out action by above-mentioned Lift Part, sealed the opposite side of above-mentioned die main body by above-mentioned the second end forming portion; Inside to above-mentioned die assembly is injected melt and is pressurizeed and cast out above-mentioned rotor; And above-mentioned taking-up cylinder is advanced forward and takes out above-mentioned rotor.
Invention effect
The present invention possesses following advantage: before injecting melt in order to cast rotor, controls the air of mold cavity inside in a sliding manner and makes it discharge, thus can improve the castability of rotor.
Accompanying drawing explanation
Fig. 1 is the concept map of the magnetic core representing general rotor.
Fig. 2 represents on the magnetic core shown in Fig. 1, defines the concept map of the rotor of upper and lower end ring by aluminium melt and with foundry engieering.
Fig. 3 represents to be provided with the stereogram possessing the outward appearance of the casting machine of the rotor casting device of slip control formula degassing function of the present invention.
Fig. 4 and Fig. 5 be represent one embodiment of the invention possess the constituent relation of the rotor casting device of slip control formula degassing function in conjunction with stereogram and exploded perspective view.
Fig. 6 to Figure 11 represents according to casting device of the present invention and the concept map of the order of cast rotor.
Fig. 6 represents can by state before the action of the exhaust unit of the air venting of mold cavity inside.
Fig. 7 represents the state can cast by utilizing the action of the exhaust unit of the injection pressure of melt.
Fig. 8 represents the state be 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 the process of being taken out the rotor cast by taking-up cylinder.
Figure 12 and Figure 13 is the profile of the top end ring of the rotor cast respectively by casting method in the past and casting method of the present invention.
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 represents to be provided with the stereogram possessing the outward appearance of the casting machine of the rotor casting device of slip control formula degassing function of the present invention.As shown in Figure 3, the rotor casting device of the present embodiment is located at the inside of the casting machine (1) be made up of multiple segmented mold and forms.But such casting machine (1) possesses general structure, therefore omits the explanation to this, be described for main with the structural relation being located at the rotor casting device of its inside.
Fig. 4 and Fig. 5 be represent one embodiment of the invention possess the constituent relation of the rotor casting device of slip control formula degassing function in conjunction with stereogram and exploded perspective view.
As shown in Figures 1 to 5, the rotor casting device (10) of the present embodiment comprises: 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 the air of the mold cavity inside of die assembly (100) in sliding manner and makes it discharge; Pressurization part assembly (300), it pressurizes to the melt being filled into die assembly (100).
Die assembly (100) is made up of such as lower component: the die main body (110) of the cylindrical shape of the hollow inserted for magnetic core (C); First end forming portion (120), its be located at die main body (110) side and for the formation of a side of rotor (R); And the second end forming portion (130), its be located at die main body (110) opposite side and for the formation of the another side of rotor (R).
About above-mentioned first end forming portion (120), the side of its sealed mold main body (110) and be close to a side of magnetic core (C), be used for formed rotor (R) a side, when the mode possessing certain space to be close to part at it is formed, be also used as the purposes of the bottom end ring (C4) forming rotor (R).That is, first end forming portion (120) also plays the effect of lower end ring forming portion.
And, about the second end forming portion (130), its optionally sealed mold main body (110) opposite side and be close to the another side of magnetic core (C), be used for formed rotor (R) another side, when the mode possessing certain space to be close to part at it is formed, be also used as the purposes of the top end ring (C3) forming rotor (R).That is, the second end forming portion (130) also plays the effect of upper end ring forming portion.
Therefore, in the present embodiment, an example of the constituent relation can casting the rotor (R) possessing bottom end ring (C4) and top end ring (C3) is described.
For this reason, pressurization part assembly (300) comprising: the multiple recipients (320) being inserted into the second end forming portion (130); Promote the rotor (R) cast and the taking-up cylinder (330) taken out; For driving the drive division (310) taking out cylinder (330) and multiple recipient (320).
According to such structure, by outstanding for the pressure ram a part of region (being top end ring in this embodiment) being formed in rotor (R), then by recipient (320), pressure ram pressurizeed and improve the charging efficiency of melt.For this reason, recipient (320) is only inserted into a part of region of not through the second end forming portion (130), and injects the melt of filling to its remaining area, forms pressure ram thus.Afterwards, recipient (320) pressurizes to pressure ram.To this, by aftermentioned.
In addition, the second end forming portion (130) comprising: cylindric insertion section main body (131), the opposite side end section of its sealed mold main body (110); Air bleeding valve patchhole (133), it is formed in the mode of the central portion being inserted through portion's main body (131), inserts to enable a part for the air bleeding valve of exhaust unit described later (200) (210); And multiple recipient patchhole (132), it is formed in the mode being inserted through portion's main body (131) at the central portion periphery of insertion section main body (131), can insert to make multiple recipient (320).
In addition, in this embodiment, die main body (110) possesses the cylindrical shape of hollow, and is formed as left and right sides end section by the tubulose opened.Further, the insertion section main body (131) of the opening portion, right side during the second end forming portion (130) possesses for covering die main body (110) figure.Now, recipient patchhole (132) and air bleeding valve patchhole (133) are inserted through portion's main body (131).
But, as mentioned above, the object forming the second end forming portion (130) is while making recipient (320) and taking-up cylinder (330) insert, seal a side of die main body (110), and as long as such object can be reached, the situation that the second end forming portion (130) and die main body (110) are integrally formed or the situation possessing other shapes also all belong to scope of the present invention.
In addition, represent situation about being formed as follows in this embodiment: in formation from insertion section main body (131) to die main body (110) side to outstanding and after inserting short raised (131a) of the inside of die main body (110), recipient patchhole (132) and the through short projection (131a) of air bleeding valve patchhole (133).
Now, as mentioned above, recipient (320) be not be inserted into recipient patchhole (132) Zone Full (in other words, to die main body (110) the side end section of recipient patchhole (132)), but be only inserted into a part of region (such as, intermediate location), remaining area is then empty.At this, inject melt to empty remaining area and form pressure ram, by recipient (320), formed pressure ram being pressurizeed.
Further, first end forming portion (120) comprising: seal member (121), the side end section of its sealed mold main body (110); Hand-hole (122), its through seal member (121) and make melt be injected into die main body (110) side; And air tap (123).Now, the mode that seal member (121) possesses certain inner space with its inboard portion is formed, and forms the bottom end ring (C4) of rotor (R) by the melt be filled in herein.But when not needing rotor (R) of bottom end ring (C4), seal member (121) is made up of discoid disk.
Represent that the seal member (121) of first end forming portion (120) covers the situation in the left open portion on the accompanying drawing of die main body (110) in the present embodiment.In addition, in the present embodiment, the example of 9 hand-holes (122) and 1 the through seal member of air tap (123) (121) and formation is represented.
But, as above above-mentioned, the object forming first end forming portion (120) is, melt is made to be injected into die main body (110) side, and form a side of rotor (R), and as long as such object can be reached, even if when the seal member (121) of first end forming portion (120) is as illustratively formed discretely with die main body (110) or forming with die main body (110), also all belong to scope of the present invention.In addition, hand-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 the unit that the air of the mold cavity inside of die assembly (100) externally discharges, be made up of such as lower component: vavuum pump (not shown), its by the air venting of the inside of die assembly (100) to outside; Air bleeding valve (210), its optionally sealed mold assembly (100) inside be communicated with line between vavuum pump; Conical blocks (220), it carries out face with a side of air bleeding valve (210) and contacts; And Lift Part (230), conical blocks (220) lower portion direction is moved by it, and air bleeding valve (210) is moved in sliding manner.
Above-mentioned air bleeding valve (210) is to be inserted into the state action integratedly of the second end forming portion (130) of die assembly (100).Therefore, air bleeding valve (210) is configured to possess the external diameter of the air bleeding valve patchhole (133) being inserted into the second end forming portion (130), and possessing conus portion (211) in one side end side, possessing the passage (212) for taking out cylinder (330) movement therein.In addition, air bleeding valve (210) possesses flange (214) at opposite side, and this flange (214) is formed with the taper seat (213) contacted with the conus portion of conical blocks (220) (221) face.At this, be also formed with the recipient patchhole (215) inserted for recipient (320) at flange (214).
In addition, conus portion (211) from the terminal part of air bleeding valve patchhole (133) to magnetic core (C) side to extension fixed magnetic core (C).Thus, around conus portion (211), formation is filled up melt and forms the space of the top end ring (C3) of rotor (R).
In addition, in this embodiment, extend and the conus portion (211) of formation from the terminal part of air bleeding valve patchhole (133) along with the end side at air bleeding valve (210) possesses, the another side of magnetic core (C) is close in the end of conus portion (211).But when not possessing conus portion (211), the another side of magnetic core (C) is close to and fixed magnetic core (C) in the end of the second end forming portion (130).
As mentioned above, the object arranging above-mentioned conus portion (211) is, while magnetic core (C) pressurization is fixing, the space of the top end ring (C3) forming rotor (R) is provided for around it, and as long as such object can be reached, even if conus portion (211) possesses other shapes, also all belong to 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), contacts to carry out face with the taper seat (213) of air bleeding valve (210); Joint portion (222), it is combined with the end of Lift Part (230).Further, multiple recipient through holes (224) of the taking-up cylinder through hole (223) supplying to take out the through long hole shape of cylinder (330) and the long hole shape supplying recipient (320) through are formed at conus portion (221).Now, through hole (223,224) is even if be formed as the sufficient length that conical blocks (220) is elevated the degree also can not blocked by cylinder (330,320) in the vertical direction.
In addition, the object arranging conical blocks (220) is the action along with Lift Part (230), air bleeding valve (210) is moved in sliding manner, and as long as such object can be reached, even if conical blocks (220) possesses other shapes, also all belong to scope of the present invention.
Above-mentioned Lift Part (230) comprises the housing (231) driving the actuator of conical blocks (220) (not shown) and storage actuator in the vertical direction.At this, actuator is the general designation that can make conical blocks (220) machine of action in the vertical direction.Such as, the cylinder actuator of normally used hydraulic pressure or air pressure can be used.Or can use and engage with conical blocks (220) and make the mechanical actuator as gear of conical blocks (220) movement in the vertical direction.Or the electric actuator as motor can be used.
Therefore, about actuator of the present invention, as long as conical blocks (220) can be made to move in the vertical direction, then independently all belong to scope of the present invention with its kind.
Under representing the state in the housing (231) of the writing board shape after actuator is built in thickness in this embodiment, the state that the load (232) of actuator and the joint portion (222) of conical blocks (220) combine.Such as, but this is only for illustration of an example of the present invention, when actuator is not built in housing (231) and is installed on the outside of housing (231), also all belongs to scope of the present invention.
In addition, in the present embodiment, carried out the exhaust that die assembly (100) is inner by vavuum pump.At this, the exhaust line of vavuum pump is formed by the air tap (123) of first end forming portion (120), the through hole of magnetic core (C) central authorities and the gap between die main body (110) and the second end forming portion (130).Thus, the exhaust undertaken by vavuum pump is before injecting melt to the inside of die assembly (100), namely realize under the state be not close to each other in die main body (110) and the second end forming portion (130), and along with injection melt, according to operating principle described above, then can not realize being vented under the state that die main body (110) and the second end forming portion (130) are close to each other.That is, the present invention is by the air venting of inside before injecting melt to the inside of die assembly (100), and injecting the time point of melt, each constitutive requirements are close to by the shape can cast to utilize principle of confounding.
In addition, the drive division (310) of pressurization part assembly (300) comprises the housing (311) of actuator (not shown) and the storage actuator driving and take out cylinder (330) and recipient (320).At this, actuator taking-up cylinder (330) and recipient (320) can be made to advance forward and the general name of machine of action of advancing backward.Such as, the cylinder actuator of normally used hydraulic pressure or air pressure can be used.Or can use and engage with each cylinder (320,330) and cylinder (320,330) is advanced forward and the mechanical actuator as gear of advancing backward.Or the electric actuator as motor can be used.
Therefore, about actuator of the present invention, as long as each cylinder (320,330) can be made to advance forward and advance backward, then independently all belong to scope of the present invention with its kind.
Represent that actuator is built in the situation in the housing (311) of the disc-shape after thickness in the present embodiment.Such as, but this is only for illustration of an example of the present invention, when actuator is not built in housing (311) and is arranged on the outside of housing (311), also all belongs to scope of the present invention.
As above-mentioned, rotor (R) can be cast out under the state of air venting die assembly (100) is inner by casting device of the present invention (10).
Below, with reference to Fig. 6 to Figure 11, to utilizing casting device of the present invention (10), the method for cast rotor (R) is described.
Fig. 6 to Figure 11 represents by casting device of the present invention and the concept map of the order of cast rotor, Fig. 6 represents state before the action of the exhaust unit of the air that can discharge mold cavity inside, Fig. 7 represents the state can cast by utilizing the action of the exhaust unit of the injection pressure of melt, Fig. 8 represents the state be filled along with injecting melt, Fig. 9 represents raising filling rate and makes the state of recipient action, Figure 10 represents that the state that melt injection unit is separated, Figure 11 represent the process of being taken out the rotor cast by taking-up cylinder.
As mentioned above, rotor casting method of the present invention utilizes the rotor casting device (10) and the method for cast rotor that possess slip control formula degassing function of the present invention.In addition, formed under rotor casting device (10) the of the present invention state that die main body (110) and the second end forming portion (130) are not close to each other in the early stage.
The inside that present invention resides in die assembly (100) is injected before melt, makes the steps of exhausting (with reference to Fig. 6) of inner air venting.For this reason, by the through hole of the air tap (123) of first end forming portion (120), magnetic core (C) central authorities and and the exhaust line of recessed bond ing between die main body (110) and the second end forming portion (130), utilize vavuum pump and make air venting.
Then, when the signal that melt is injected into melt injection unit is passed to vavuum pump and Lift Part (230), vavuum pump is action no longer, and Lift Part (230) carries out action, and conical blocks (220) lower portion direction is moved.Like this, along with conical blocks (220) moves in lower portion direction gradually, conus portion (221) promotes the taper seat (213) of air bleeding valve (210) gradually.Thus, air bleeding valve (210) and the second end forming portion (130) move simultaneously, the second end forming portion (130) is close to die main body (110) and the opposite side part of sealed mold main body (110), and the another side of magnetic core (C) and fixed magnetic core (C) (with reference to Fig. 7) are close in the end of air bleeding valve (210).That is, perform after steps of exhausting and seal step described above.
In addition, before execution steps of exhausting, preliminary step magnetic core (C) being inserted into die main body (110) can be performed.In addition, the melt manufacturing step manufacturing melt before execution makes the steps of exhausting of air venting by vavuum pump can be also included in.Now, by many results shows, melt preferably use purity be more than 99.5% aluminium, the melt temperature of the aluminium of melting is 700 DEG C to 750 DEG C.
In addition, the present invention includes the inserting step (with reference to Fig. 7) recipient (320) being only inserted into a part of region of the second end forming portion (130).Now, as mentioned above, recipient (320) only can be inserted into a part of region of the recipient patchhole (132) of the second end forming portion (130), and utilize remaining space and form pressure ram.
In addition, represent that recipient (320) is only inserted into a part of region of recipient patchhole (132) in the figure 7, the situation that remaining area (130a) is then empty.Inject melt to remaining area (130a) and form pressure ram described later.
After execution inserting step, perform and utilize melt injection unit (240) and fill melt to form the end ring forming step (with reference to Fig. 8) of bottom end ring (C4) and top end ring (C3) to die main body (110).After performing such end ring forming step, perform the melt of filling is injected in the second end forming portion (130), insert recipient (320) after remaining region (130a) and form the pressure ram forming step (reference Fig. 9) of pressure ram (SB) on top end ring (C3).
As mentioned above, recipient (320) is only inserted into a part of region of the recipient patchhole (132) of the second end forming portion (130), and remaining area (130a) is by empty (with reference to Fig. 8), therefore in remaining area (130a), fills melt and finally form pressure ram (SB) (with reference to Fig. 9).Then, perform and be separated melt injection unit (240), recipient (320) is advanced forward and pressure ram (SB, with reference to Fig. 9) pressurization is carried out to the step (with reference to Figure 10) of cast rotor (R).In other words, after forming the pressure ram than original rotor (R) volume more volume, by pressurizeing to pressure ram, thus the cooled compressed usually occurred can be compensated, improving castability.
In addition, shown by many experimental results, preferably after formation pressure ram (SB), after 0.05 second to 3 seconds, make recipient (320) advance forward, thus pressure ram (SB) is pressurizeed.Further, pressure ram (SB) is formed in the top end ring (C3, with reference to Fig. 9) of rotor (R), and is formed as the cylindrical shape possessing the height of 2mm to 10mm and the diameter of 1mm to 15mm from top end ring (C3).
Further, after performing the step to pressure ram pressurization, perform and make taking-up cylinder (330) advance forward and take out the taking-up step of rotor (R).Now, when taking out cylinder (330) and advancing forward, after the passage (212) by air bleeding valve described above (210), drive rotor (R) and make rotor (R) from die main body (110) depart from, thus take out rotor.
By rotor casting method of the present invention described above, the filling rate of melt can be improved and easily improve castability.
Below, the situation of being cast by the present invention is compared with the situation of to be cast by casting method in the past illustrate.
Figure 12 is the cross sectional photograph of the top end ring cast by conventional art, and Figure 13 is the cross sectional photograph of the top end ring cast by the present invention.As shown in figure 12, when being cast by conventional art, because failing the air discharged, the filling rate of melt is about 79%, organizes defective tightness, at some local generation pore.But, as shown in figure 13, when being cast by the present invention, along with before injection melt, the air of mold cavity inside is discharged, thus the filling rate of melt is about 98%, tissue tight.
Described above only possess the rotor casting device of slip control formula degassing function and the embodiment of the rotor utilizing this rotor casting device and cast and casting method thereof according to of the present invention, the invention is not restricted to above-described embodiment, described in the following claims, those skilled in the art can carry out various change when not departing from main idea of the present invention, and these changing ranges also possess technical spirit of the present invention.
Industry utilizes possibility
The present invention is before injecting melt in order to cast rotor, control the air of mold cavity inside in a sliding manner and make it discharge, thus the castability of rotor can be improved, be therefore very useful when manufacturing the AC induction electric machine rotor etc. of household electrical appliances and industry.
Claims (14)
1. possess a rotor casting device for slip control formula degassing function, this rotor casting device comprises: die assembly, and its magnetic core for rotor inserts, and melt is injected in this die assembly; Exhaust unit, it, before injecting melt to the inside of above-mentioned die assembly, controls the air of the inside of above-mentioned die assembly in sliding manner and makes it discharge; And pressurization part assembly, it pressurizes to the melt be filled in above-mentioned die assembly,
The feature of above-mentioned rotor casting device is,
Above-mentioned exhaust unit comprises: vavuum pump, its by the air venting of the inside of above-mentioned die assembly to outside; Air bleeding valve, it is optionally closed with the line that is communicated with between above-mentioned vavuum pump the inside of above-mentioned die assembly; Conical blocks, it carries out face with the taper seat of the side being formed at above-mentioned air bleeding valve and contacts; And Lift Part, it makes above-mentioned conical blocks lower portion direction move, and above-mentioned air bleeding valve is moved in sliding manner.
2. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 1, is characterized in that,
Above-mentioned die assembly comprises: the die main body of hollow, and it inserts for above-mentioned magnetic core; First end forming portion, its be located at above-mentioned die main body side and for the formation of a 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, for the formation of the another side of above-mentioned rotor along with the action of above-mentioned air bleeding valve.
3. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 2, is characterized in that,
Above-mentioned pressurization part assembly comprises: take out cylinder, and it promotes the rotor cast and takes out the rotor cast; And drive division, it drives above-mentioned taking-up cylinder, and above-mentioned the second end forming portion comprises the air bleeding valve patchhole that the part for above-mentioned air bleeding valve is inserted.
4. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 3, is characterized in that,
Above-mentioned air bleeding valve comprises: conus portion, it has the external diameter be inserted in above-mentioned air bleeding valve patchhole, to above-mentioned air bleeding valve patchhole extension, and to be close to the another side of above-mentioned magnetic core and face forms the certain space of the top end ring for the formation of above-mentioned rotor around; And passage, it inserts for above-mentioned taking-up cylinder.
5. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 4, is characterized in that,
Above-mentioned conical blocks comprises: conus portion, and it is formed as the shape corresponding with above-mentioned taper seat, contacts to carry out face with above-mentioned taper seat; And joint portion, it is combined with the end of above-mentioned Lift Part.
6. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 5, is characterized in that,
Above-mentioned Lift Part comprises: actuator, and it drives above-mentioned conical blocks in the vertical direction; And housing, it is for receiving above-mentioned actuator.
7. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 3, is characterized in that,
What above-mentioned first end forming portion was close in the side with above-mentioned magnetic core is close to the certain space that part possesses the bottom end ring for the formation of above-mentioned rotor.
8. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 3, is characterized in that,
What above-mentioned the second end forming portion was close in the another side with above-mentioned magnetic core is close to the certain space that part possesses the top end ring for the formation of above-mentioned rotor.
9. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 3, is characterized in that,
Above-mentioned first end forming portion comprises: seal member, and it is for sealing the side end section of above-mentioned die main body; Hand-hole, its through above-mentioned seal member, makes melt be injected into above-mentioned die main body side; And air tap.
10. the rotor casting device that possess slip control formula degassing function above-mentioned according to claim 5, is characterized in that,
Above-mentioned pressurization part assembly also comprises multiple recipient, and the plurality of recipient is driven by above-mentioned drive division, pressurizes, to improve the filling rate of above-mentioned top end ring,
Above-mentioned the second end forming portion also comprises multiple recipient patchhole, and above-mentioned multiple recipient is inserted into the plurality of recipient and inserts in the hole.
The 11. rotor casting devices that possess slip control formula degassing function above-mentioned according to claim 10, is characterized in that,
Above-mentioned air bleeding valve also comprises the flange being formed with above-mentioned taper seat, is also formed with the multiple recipient patchholes inserted for above-mentioned multiple recipient at above-mentioned flange.
The 12. rotor casting devices that possess slip control formula degassing function above-mentioned according to claim 10, is characterized in that,
Be formed for the taking-up cylinder through hole of the through long hole shape of above-mentioned taking-up cylinder and the multiple recipient through holes for the through long hole shape of above-mentioned multiple recipient at above-mentioned conus portion.
13. 1 kinds of rotors, is characterized in that, it is cast by the rotor casting device possessing slip control formula degassing function described in any one in claim 1 to 12.
14. 1 kinds of rotor casting methods possessing slip control formula degassing function, utilize the rotor casting device possessing slip control formula degassing function described in claim 3 and cast out rotor,
The feature of this rotor casting is, comprises the steps:
By the inside of above-mentioned die assembly be communicated with line between above-mentioned vavuum pump, discharge the air of the inside of above-mentioned die assembly, wherein, this connection line is formed by the opposite side of above-mentioned the second end forming portion and above-mentioned die main body is separated certain intervals;
Utilize the above-mentioned air bleeding valve being carried out action by above-mentioned Lift Part, sealed the opposite side of above-mentioned die main body by above-mentioned the second end forming portion;
Inside to above-mentioned die assembly is injected melt and pressurizes, and casts out above-mentioned rotor; And
Above-mentioned taking-up cylinder is advanced forward and takes out above-mentioned rotor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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)
| Publication Number | Publication Date |
|---|---|
| CN105008067A true CN105008067A (en) | 2015-10-28 |
| CN105008067B CN105008067B (en) | 2016-08-17 |
Family
ID=53403029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| JP (1) | JP6117428B2 (en) |
| KR (1) | KR101551809B1 (en) |
| CN (1) | CN105008067B (en) |
| WO (1) | WO2015093709A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113210569A (en) * | 2020-10-19 | 2021-08-06 | 朴大根 | Ventilator for casting mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR100330898B1 (en) * | 1999-12-09 | 2002-04-03 | 류정열 | A vent valve unit of die casting mold |
| KR101071280B1 (en) * | 2009-08-12 | 2011-10-07 | 한국생산기술연구원 | Motor rotor casting apparatus and process with squeeze bar pressuring method |
| CN202639283U (en) * | 2012-06-26 | 2013-01-02 | 长葛市三荣电器有限公司 | Casting die for rotor of motor |
| CN203076557U (en) * | 2012-11-27 | 2013-07-24 | 杭州富生电器股份有限公司 | Squirrel-cage type rotor centrifugal casting mould with feeding structure |
| CN203209654U (en) * | 2012-11-27 | 2013-09-25 | 杭州富生电器股份有限公司 | A squirrel-cage type rotor centrifugation casting mold with an exhaust structure |
| CN103331433A (en) * | 2013-07-24 | 2013-10-02 | 长葛市三荣电器有限公司 | Motor rotor casting forming mold |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206650A (en) * | 2001-01-10 | 2002-07-26 | Anelva Corp | Gate valve |
| JP4738638B2 (en) * | 2001-05-30 | 2011-08-03 | 東芝機械株式会社 | Geikast device for motor rotor |
| JP2009241103A (en) * | 2008-03-31 | 2009-10-22 | Toshiba Mach Co Ltd | Molding machine |
| KR101001340B1 (en) | 2008-07-23 | 2010-12-14 | (주)선양기계금속 | The centrifugal casting method for a rotor construction |
-
2013
- 2013-12-17 KR KR1020130156837A patent/KR101551809B1/en active IP Right Grant
-
2014
- 2014-08-06 WO PCT/KR2014/007286 patent/WO2015093709A1/en active Application Filing
- 2014-08-06 CN CN201480010973.1A patent/CN105008067B/en active Active
- 2014-08-06 JP JP2016510636A patent/JP6117428B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR100330898B1 (en) * | 1999-12-09 | 2002-04-03 | 류정열 | A vent valve unit of die casting mold |
| KR101071280B1 (en) * | 2009-08-12 | 2011-10-07 | 한국생산기술연구원 | Motor rotor casting apparatus and process with squeeze bar pressuring method |
| CN202639283U (en) * | 2012-06-26 | 2013-01-02 | 长葛市三荣电器有限公司 | Casting die for rotor of motor |
| CN203076557U (en) * | 2012-11-27 | 2013-07-24 | 杭州富生电器股份有限公司 | Squirrel-cage type rotor centrifugal casting mould with feeding structure |
| CN203209654U (en) * | 2012-11-27 | 2013-09-25 | 杭州富生电器股份有限公司 | A squirrel-cage type rotor centrifugation casting mold with an exhaust structure |
| CN103331433A (en) * | 2013-07-24 | 2013-10-02 | 长葛市三荣电器有限公司 | Motor rotor casting forming mold |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113210569A (en) * | 2020-10-19 | 2021-08-06 | 朴大根 | Ventilator for casting mould |
| CN113210569B (en) * | 2020-10-19 | 2023-08-08 | 朴大根 | Ventilator for casting mould |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016516589A (en) | 2016-06-09 |
| JP6117428B2 (en) | 2017-04-19 |
| KR20150070524A (en) | 2015-06-25 |
| KR101551809B1 (en) | 2015-09-09 |
| WO2015093709A1 (en) | 2015-06-25 |
| CN105008067B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103812282B (en) | The manufacture method of cores pile in layers | |
| RU2349414C2 (en) | Pressure die-casting machine and casting method with usage of such machine | |
| JP4230916B2 (en) | Process for manufacturing an electric motor rotor | |
| CN105008067A (en) | Rotor casting apparatus having slide-controlled venting function, rotor cast therewith, and method for casting same | |
| CN104959573A (en) | Integrated low-pressure mould-filling and squeezing solidification casting device and method | |
| KR20100008304A (en) | Mold and method producing injection-molded material | |
| CN105073303A (en) | Rotor casting apparatus having lever-controlled venting function, rotor cast therewith, and method for casting same | |
| CN102773448A (en) | Vacuum die casting machine | |
| JP6434254B2 (en) | Manufacturing method of laminated core and manufacturing apparatus of laminated core | |
| JP2008011646A (en) | Resin sealing method for laminated iron core of rotor | |
| CN105339109A (en) | Hot chamber caster for aluminum alloy | |
| CN103240398A (en) | Method for producing hollow aluminium die-cast parts | |
| JP2013240202A (en) | Method of manufacturing laminated core | |
| CN106057464B (en) | The manufacture of magnet coil, the magnet coil for magnetic actuator | |
| KR101505390B1 (en) | Die-casting apparatus for rotor | |
| CN104028695B (en) | A kind of subsides chamber cavityless casting method | |
| KR101071280B1 (en) | Motor rotor casting apparatus and process with squeeze bar pressuring method | |
| KR101742953B1 (en) | Overflow Venting System for High Pressure Casting | |
| CN103747895A (en) | Die casting machine and die casting method | |
| CN104874735A (en) | Expendable mold casting method of load reducing valve body | |
| CN107627533B (en) | Manufacturing method of door body for refrigeration equipment, door body and refrigeration equipment | |
| JP2012020460A (en) | Method for molding battery case made of resin | |
| CN205154959U (en) | Stopper excitation coil | |
| CN203830703U (en) | Differential exhaust structure | |
| KR102281078B1 (en) | Rotor degassing system for induction motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |