CN109434067A - A kind of electric motor rotor aluminium casting injection mold - Google Patents
A kind of electric motor rotor aluminium casting injection mold Download PDFInfo
- Publication number
- CN109434067A CN109434067A CN201811558046.XA CN201811558046A CN109434067A CN 109434067 A CN109434067 A CN 109434067A CN 201811558046 A CN201811558046 A CN 201811558046A CN 109434067 A CN109434067 A CN 109434067A
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- Prior art keywords
- injection
- die sleeve
- interior die
- electric motor
- motor rotor
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- 238000002347 injection Methods 0.000 title claims abstract description 121
- 239000007924 injection Substances 0.000 title claims abstract description 121
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000004411 aluminium Substances 0.000 title claims abstract description 25
- 238000005266 casting Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000012943 hotmelt Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000012545 processing Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000010425 asbestos Substances 0.000 abstract description 5
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 36
- 235000010210 aluminium Nutrition 0.000 description 30
- 239000000919 ceramic Substances 0.000 description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 24
- 239000002994 raw material Substances 0.000 description 20
- 239000000835 fiber Substances 0.000 description 15
- 239000004927 clay Substances 0.000 description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 description 12
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 12
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 12
- 239000001095 magnesium carbonate Substances 0.000 description 12
- 230000006872 improvement Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 150000002431 hydrogen Chemical class 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- -1 that is Substances 0.000 description 1
Classifications
-
- 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
- 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
- B22D17/2015—Means for forcing the molten metal into the die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Electric motor rotor aluminium casting injection mold disclosed by the invention, including die holder structure and injection structure, wherein die holder structure includes at least the interior die sleeve of outer mould base, hollow cylindrical, the interior die sleeve matching is set in outer mould base, and wherein the material of outer mould base is close with the linear expansion coefficient of the material of interior die sleeve；Injection structure includes at least injection plunger, and injection plunger Matching installation is in interior die sleeve；Injection plunger and interior die sleeve ordinatedly form the injection chamber of the hot melt molten aluminum for accommodating injection in interior die sleeve.The present invention eliminates traditional asbestos cup while keeping effective production and processing precision using interior die sleeve set and external mold holder structure similar in linear expansion coefficient, to also reduce environmental pollution while simplifying technique.
Description
Technical field
The present invention relates to cast-aluminum die, especially a kind of electric motor rotor aluminium casting injection mold.
Background technique
The cast aluminium manufacturing process of rotor is a very professional manufacture craft, the quality of rotor, cost and useless remaining
The processing of material depends primarily on cast aluminium part mould, injection mold is shown in figure, there are also the validity of the technological action of die casting machine.
Its process is: silicon steel sheet first being loaded onto technique axis, the injection three times that note aluminium press is awarded can be born by being put into
The workpiece upper mold of pressure, middle mould, in lower die, 680 DEG C Celsius or so of hot melt molten aluminum is put into injection die, injection is carried out,
Injection calligraphy or painting model said here belongs to equipment itself and provides important component part, is to realize that molten aluminum is quick by hydraulic press
Ground enters workpiece die cavity by the vane hole that injection die enters back into rotor lower die.
Traditional method is that asbestos cup is first put in injection die, then injects in cup solution, then passes through press machine
Whole process is completed in the three-level injection of progress.Asbestos are used till today as a kind of thermal insulation material, cheap, but it has
Certain non-environmental protection, the country has limited use at present, is replaced with other materials unsatisfactory, does not also solve fundamentally
Problem also has certain pollution.
Summary of the invention
To solve the above problems, electric motor rotor aluminium casting injection mold disclosed by the invention, by using linear expansion coefficient
Similar interior die sleeve set and external mold holder structure eliminate traditional asbestos cup while keeping effective production and processing precision,
To also reduce environmental pollution while simplifying technique.
Electric motor rotor aluminium casting injection mold disclosed by the invention, including die holder structure and injection structure,
Wherein die holder structure includes at least the interior die sleeve of outer mould base, hollow cylindrical, and interior die sleeve matching is set in outer mould base,
Wherein the material of outer mould base is close with the linear expansion coefficient of the material of interior die sleeve；
Injection structure includes at least injection plunger, and injection plunger Matching installation is in interior die sleeve；
Injection plunger and interior die sleeve ordinatedly form the injection chamber of the hot melt molten aluminum for accommodating injection in interior die sleeve.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, outer mould base are carbon structure steel material.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, interior die sleeve are hot-die steel material.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, injection structure further include piston, and piston connects
Be connected to compression head, push injection plunger to move in interior die sleeve by piston when injection, thus extrusion injection it is intracavitary hot melt molten aluminum it is complete
It is acted at injection.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, injection structure further include retainer plate, fixed
Snare is located on the outside of piston, and for limiting piston and injection plunger.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, injection structure further include mounting base, installation
Seat is connected to retainer plate, for fixing retainer plate.
A kind of improvement of electric motor rotor aluminium casting injection mold disclosed by the invention, injection structure further include card key, mounting base
And/or card key is provided with card slot, mounting base and retainer plate on retainer plate and is fixedly connected by card key with card slot.
The present invention passes through the structural improvement of foregoing mould equipment, the molding of rotor is realized, thus processing
Equipment system, reduction difficulty of processing and simplified process systems and energy conservation and environmental protection reduction production cost etc. obtain aobvious
The promotion of work, unit be averaged processing efficiency promoted 30-50%, product processing production cost reduce 10-20%.
And better rigidity and wearability are obtained in order to make interior die sleeve be especially its inner surface, as main consumptive material,
Also been made further improvement: its inner surface of interior die sleeve further includes the included structure of stratiform, included structure include skeleton and
Be formed on the outside of skeleton clad (clad can be assembled on skeleton by way of detachably assembling, such as using riveting
Or the modes such as joinery and its construction or screw connection can be achieved),
Skeleton is the composite ceramics sill for being lined with stainless steel material；
Clad is made for carbonaceous material, is high temperature wear resistant rigid material.The included structure of this programme, for existing
Included structure is easy to wear in technology, easy deformation, maintenance difficulties are big, the various problems such as Yi Fasheng thermal deformation, in included structure
Using the composite construction of composite ceramics as core, can play effectively it is heat-insulated, reduce mold machining accuracy is influenced because being thermally deformed, from
And under the premise of improving product to mold production and processing performance and maintainability, improve aftertreatment performance also by clad,
To reduce fuse metal attachment (in injection process, part holt melt metal easily interior die sleeve inner surface occur residual and with
Grain or the form of wire are attached to die surface, and damage to the working ability of mold, increase cleaning difficulty and
Scratch is easily formed in following process, influences the efficiency of continuous production processing), through the clad of carbonaceous material in injection pair
Inside structure and skeleton carry out thermal insulation protection and cooperate the greasy property and inoxidizability performance of carbon material itself, and significantly subtract
Deformation occurs in long-term use or abrasion for small mold, reduces operation and maintenance cost, and in included structure with multi-disc
When unit combination is formed in interior die sleeve inner surface, then corresponding clad or included knot can be directly replaced when needing to safeguard
Structure, maintenance efficiency higher costs are lower.
As a preference, the raw material of ceramic based material is mainly wt%: clay 0.15-0.18%, magnesium carbonate 2.0-
3.5%, calcium carbonate 1.0-2.0%, sodium bicarbonate 1.20-1.40%, surplus are aluminium oxide and inevitable impurity.Using suitable
The clay of amount can effectively play the effect of blank assistant formation, without adding other auxiliary materials in molding, simultaneously
Also there is good dispersibility to magnesium carbonate, calcium carbonate and sodium bicarbonate etc., and be unlikely to influence material because additive amount is excessive
The performance of material, such as the negative effect of high-temperature behavior and mechanical performance is controlled to minimum.This programme is sticked by using a small amount of
Soil is to play the role of part fluxing bonding sizing in the sintering sizing of ceramic based material skeleton, here control clay dosage, can be with
The fusing of aluminium oxide in process is rightly adjusted, thus, while suitable magnesium carbonate, calcium carbonate play auxiliary pore-creating
Enhancing ceramic performance is cooperated to go out to act on with aluminium oxide, sodium bicarbonate has been primarily served and made while adjusting raw material pH environment
The efficiency in hole obtains the suitable porous ceramic film material of lightweight intensity by raw material cooperation.
As a preference, the raw material of ceramic based material further includes the carbon fiber for accounting for the 0.3-0.5wt% of total mass of raw material
Or at least one of ceramic fibre, carbon fiber or ceramic fibre are length 0.1-0.3mm, the staple fiber that 10-20 microns of diameter.
By this equally distributed fibre structure, play the role of point-supported, significantly increases wearability and rigidity, while avoiding again
Fracture residual easily occurs in long-term use in long fibre causes the cooperation to compression head and the inner wall of interior die sleeve to impact, and
There is the problem of injection trace in workpiece surface.
Detailed description of the invention
The structural schematic diagram of a kind of embodiment of Fig. 1, electric motor rotor aluminium casting injection mold disclosed by the invention；
The assembling schematic diagram of Fig. 2, embodiment as shown in Figure 1；
Appended drawing reference: 1, outer mould base 2, interior die sleeve 3, injection plunger 4, mounting base 5, card key 6, retainer plate 7, shot sleeve
Piston 8, hot melt molten aluminum 9, injection mold 10, workpiece lower die 11, mould 12, workpiece upper mold, 13, conveying planker in workpiece
14, workbench 15, shot sleeve
Specific embodiment
Specific embodiment below, the present invention is furture elucidated, it should be understood that following specific embodiments are merely to illustrate this
It invents rather than limits the scope of the invention.
This programme includes but not limited in following embodiment, when only indicating innovation in embodiment, corresponding scheme
Rest part can be supplemented using any feasible prior art, and form complete embodiment.
Embodiment 1
The electric motor rotor aluminium casting injection mold of the present embodiment, including die holder structure and injection structure, wherein die holder structure
Including at least outer mould base, the interior die sleeve of hollow cylindrical, the matching of interior die sleeve is set in outer mould base, wherein the material of outer mould base with it is interior
The linear expansion coefficient of the material of die sleeve is close；Injection structure includes at least injection plunger, and injection plunger Matching installation is in interior die sleeve；
Injection plunger and interior die sleeve ordinatedly form the injection chamber of the hot melt molten aluminum for accommodating injection in interior die sleeve.
Embodiment 2
It is only that in place of the difference of embodiment 1, outer mould base is carbon structure steel material.
Embodiment 3
It is only that in place of the difference of embodiment 2, interior die sleeve is hot-die steel material.
Embodiment 4
Be only that in place of the difference of embodiment 3, injection structure further includes piston, and piston is connected to compression head, when injection
Injection plunger is pushed to move in interior die sleeve by piston, thus the hot melt molten aluminum completion injection movement that extrusion injection is intracavitary.
Embodiment 5
It being only that in place of the difference of embodiment 4, injection structure further includes retainer plate, and fixed trap is located on the outside of piston,
And for limiting piston and injection plunger.
Embodiment 6
It is only that in place of the difference of embodiment 5, injection structure further includes mounting base, and mounting base is connected to retainer plate, is used
In fixed retainer plate.
Embodiment 7
It is only that in place of the difference of embodiment 6, card key is corresponded in mounting base and is provided with card slot, mounting base and retainer plate
It is fixedly connected by card key with card slot.It can be arranged in correspondence on retainer plate in card key at this time, to improve card key and card slot
Occlusion and realize the fixation of mounting base and retainer plate.
Embodiment 8
It is only that in place of the difference of embodiment 6, card key is corresponded on retainer plate and is provided with card slot, mounting base and retainer plate
It is fixedly connected by card key with card slot.It can be arranged in correspondence in mounting base in card key at this time, to improve card key and card slot
Occlusion and realize the fixation of mounting base and retainer plate.
Embodiment 9
Be only that in place of the difference of embodiment 6, correspond in mounting base and retainer plate card key be provided with it is mutually matched
Card slot (shape after this cooperation corresponds to card key), mounting base is fixedly connected by card key with card slot with retainer plate.Block at this time
Key is an independent individual relative to mounting base and retainer plate, by card key to cooperatively forming in mounting base and retainer plate
The occlusion of card slot and the fixation for realizing mounting base and retainer plate.
The present invention passes through the structural improvement of foregoing mould equipment, realizes compact low power low-power motor (130 horses
For reaching, every batch of process 1000, calculate average value) rotor injection mo(u)lding, thus process equipment system, drop
Low difficulty of processing and simplified process systems and energy conservation and environmental protection reduce production cost etc. and are obviously improved, single
The average processing efficiency in position promotes 30-50%, and the production cost of product processing reduces 10-20%, and the acquisition cost of equipment then regards
Scale reduces more.
In the embodiment of the present invention, using after including but not limited to following technical solution, its inner surface of interior die sleeve further includes
The included structure of stratiform, included structure include skeleton and the clad being formed on the outside of skeleton being spirally connected, and skeleton is to be lined with
The composite ceramics sill of stainless steel material, the raw material of the ceramic based material as skeleton are mainly wt%: clay 0.15%,
Magnesium carbonate 3.5%, calcium carbonate 1.2%, sodium bicarbonate 1.40%, surplus are aluminium oxide and inevitable impurity；Clad is
Carbon fiber layer.Compared with previous embodiment, the service life of product further extends 30% or so, and produces and safeguard also
30% or more manpower and time loss are saved.
Ceramic based material, that is, foam ceramic material raw material is mainly wt% in above-described embodiment: clay is (in the present invention
For ceramic clay) 0.15-0.18%, magnesium carbonate 2.0-3.5%, calcium carbonate 1.0-2.0%, sodium bicarbonate 1.20-1.40%,
Surplus is aluminium oxide and inevitable impurity.
In above-described embodiment ceramic based material its form technical solution can also be include but not limited to technology set forth below
It is any in scheme:
1, the raw material of ceramic based material is mainly wt%: clay 0.15%, magnesium carbonate 3.5%, calcium carbonate 1.2%, carbonic acid
Hydrogen sodium 1.40%, surplus are aluminium oxide and inevitable impurity.
2, the raw material of ceramic based material is mainly wt%: clay 0.16%, magnesium carbonate 2.0%, calcium carbonate 1.4%, carbonic acid
Hydrogen sodium 1.30%, surplus are aluminium oxide and inevitable impurity.
3, the raw material of ceramic based material is mainly wt%: clay 0.17%, magnesium carbonate 3.0%, calcium carbonate 1.6%, carbonic acid
Hydrogen sodium 1.20%, surplus are aluminium oxide and inevitable impurity.
4, the raw material of ceramic based material is mainly wt%: clay 0.18%, magnesium carbonate 2.5%, calcium carbonate 1.0%, carbonic acid
Hydrogen sodium 1.25%, surplus be aluminium oxide and inevitable impurity.
5, the raw material of ceramic based material is mainly wt%: clay 0.155%, magnesium carbonate 2.7%, calcium carbonate 2.0%, carbon
Sour hydrogen sodium 1.36%, surplus are aluminium oxide and inevitable impurity.
6, the raw material of ceramic based material is mainly wt%: clay 0.175%, magnesium carbonate 3.2%, calcium carbonate 1.5%, carbon
Sour hydrogen sodium 1.27%, surplus are aluminium oxide and inevitable impurity.
7, the raw material of ceramic based material is mainly wt%: clay 0.165%, magnesium carbonate 2.9%, calcium carbonate 1.7%, carbon
Sour hydrogen sodium 1.32%, surplus are aluminium oxide and inevitable impurity.
It include but not limited in the technical solution of the above ceramic based material, the total amount of impurity element should be not higher than
0.07%, single composition is not higher than 0.03%.
It is distinguished with above-described embodiment, difference place can also be following any case: the raw material of a, ceramic based material
It further include the carbon fiber for accounting for the 0.3-0.5wt% of total mass of raw material, carbon fiber is length 0.1-0.3mm, 10-20 microns of diameter
Staple fiber；B, the raw material of ceramic based material further includes the ceramic fibre for accounting for the 0.3-0.5wt% of total mass of raw material, and ceramic fibre is
Length 0.1-0.3mm, the staple fiber that 10-20 microns of diameter；C, the raw material of ceramic based material further includes accounting for total mass of raw material
The carbon fiber and ceramic fibre of 0.3-0.5wt%, carbon fiber and ceramic fibre are length 0.1-0.3mm, 10-20 microns of diameter
Staple fiber；
In above scheme, fiber is that (can also be includes but not limited to any in being exemplified below to length 0.1mm: 0.2,
0.3, its within the scope of 0.14,0.16,0.17,0.19,0.22,0.23,0.25,0.27,0.28,0.29 and 0.1-0.3mm
Its arbitrary value), 10 microns of diameter (maximum diameter) (can also be includes but not limited to any in being exemplified below: 11,12,13,
14, other arbitrary values in 15,16,17,18,19,20 and 10-20 micron range) staple fiber；Carbon fiber and ceramic fibre
The total amount of (including the two respectively individualism or common existing situation, can satisfy defined below) is 0.3wt% (total
Amount can also be include but not limited to any in being exemplified below: 0.31wt%, 0.32wt%, 0.33wt%, 0.34wt%,
0.35wt%, 0.36wt%, 0.37wt%, 0.38wt%, 0.39wt%, 0.40wt%, 0.41wt%, 0.42wt%,
0.43wt%, 0.44wt%, 0.45wt%, 0.46wt%, 0.47wt%, 0.48wt%, 0.49wt%, 0.50wt% and
Other arbitrary values within the scope of 0.3-0.5wt%).
It is distinguished with previous embodiment, included structure is formed in internal model with the combination of multi-disc (such as 3 and its more than) unit
Cover inner surface.The repair and maintenance efficiency of mold can also improve 5-10% at this time, and maintenance cost can also further reduce 5-
10%.
As depicted in figs. 1 and 2, after outer mould base 1 and interior die sleeve 2 the combination installation of the injection mold 9 processed, then cooperate
Injection plunger 3 in interior die sleeve 2 forms the injection chamber for accommodating hot melt molten aluminum 8, due to the linear expansion of outer mould base 1 and interior die sleeve 2
Coefficient is closer to, so together forming the nuclear structure of the relatively good injection mold of stability, is fixed on workbench 14
Shot sleeve 15 drive injection the cylinder piston 7 in injection, and then push injection plunger 3, the hot melt molten aluminum 8 for keeping injection intracavitary enters work
Mould 11, workpiece upper mold 12 and then mold casting forming is realized in part lower die 10, workpiece, wherein workpiece lower die 10, mould 11, workpiece in workpiece
Upper mold 12 is conveyed by conveying planker 13, is repeated corresponding not in the continuous injection casting of realization.Mounting base 4, is fixed at card key 5
Circle 6 realizes being fixedly connected between injection plunger 3 and injection the cylinder piston 7.
What injection die holder was mainly made of outer mould base 1 and interior die sleeve 2, their material uses the excellent of two kinds of unlike materials respectively
Matter structural carbon steel and heated die steel forge, and after roughing, through interference fit, then are finished to reach together and be set
Meter requires
Injection plunger part is made of injection plunger 3, mounting base 4, card key 5, retainer plate 6, is coupled with injection the cylinder piston.
By adjusting between injection plunger and shot sleeve gap and control mold temperature rise maintains them during the work time
Between gap
It tests injection plunger at the scene first and injection seat is preheated before work respectively, the mold temperature of each period in work
Degree,
Experiment point thermometer thermometric.Injection die before improvement is a single part.The gap of injection seat and injection plunger
Larger, in the different operating period, injection die holder measured value is correspondingly also changed greatly with the variation of external condition.
Silicon steel sheet is first loaded into technique axis, is put on the workpiece for the pressure that can bear the injection three times that note aluminium press is awarded
Mould 11 in mould 12, workpiece, workpiece lower die 10, in, what this patent to be illustrated is to be put into 680 DEG C Celsius or so of hot melt molten aluminum
In injection die figure (1), injection is carried out, injection calligraphy or painting model said here belongs to equipment itself and provides important component part, is
It realizes that molten aluminum quickly move through injection die and enters back into the vane hole of rotor lower die by hydraulic press and enters workpiece die cavity.
Original injection die is changed to combined type by us, and housing takes ventilating and cooling to handle simultaneously, to control interior cover die
Temperature rise, mating associated rotor power size with press machine is considered when design improves the mold first, it is adaptable
The maximum outside diameter of rotor blade can have enough molten aluminums to be full of, this will consider the movement of the maximum capacity and shot sleeve of aluminum dipping form
Stroke
Moreover to consider that the temperature rise of injection die is not too big, so that the line of two kinds of materials rises and is worth close, still it is able to maintain it
Gap it is constant.
(1), it measures and is changed on unmodified injection die, temperature changes greatly in each injection process；Its shape
Size also correspondingly changes greatly.
(2), after improving, reduce the variation that outer mould base varies with temperature size with the pre- compact form of cover die first, second is
Using air cooling, interior die holder temperature is reduced, the effect of anticipation has been completed at present and had reached to control in a certain range,
Fruit,
(3) aluminum process of asbestos dixie cup is removed, this injection mold system should compare in the note technologic purposes of aluminium
Extensively, it has a extensive future.
This place embodiment is not exhaustive claimed midpoint of technical range and in embodiment technology
In scheme to single or multiple technical characteristics it is same replacement be formed by new technical solution, equally all the present invention claims
In the range of protection；Simultaneously the present invention program it is all enumerate or unlisted embodiment in, in the same embodiment each
Parameter is merely representative of an example (i.e. a kind of feasible scheme) for its technical solution, and between parameters and is not present stringent
Cooperation and qualified relation, wherein each parameter can be replaced mutually when stating and asking without prejudice to axiom and the present invention, special declaration
Except.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes
Technical solution consisting of any combination of the above technical features.The foregoing is a specific embodiment of the present invention, should refer to
Out, for those skilled in the art, without departing from the principle of the present invention, can also make several
Improvements and modifications, these modifications and embellishments are also considered to be within the scope of the present invention.
Claims (7)
1. a kind of electric motor rotor aluminium casting injection mold, including die holder structure and injection structure,
Wherein die holder structure includes at least the interior die sleeve of outer mould base, hollow cylindrical, and the interior die sleeve matching is set in outer mould base,
Wherein the material of outer mould base is close with the linear expansion coefficient of the material of interior die sleeve；
Injection structure includes at least injection plunger, and injection plunger Matching installation is in interior die sleeve；
The injection plunger and interior die sleeve ordinatedly form the injection chamber of the hot melt molten aluminum for accommodating injection in interior die sleeve.
2. electric motor rotor aluminium casting injection mold according to claim 1, which is characterized in that the outer mould base is carbon structure
Steel material.
3. electric motor rotor aluminium casting injection mold according to claim 1, which is characterized in that the interior die sleeve is hot-die steel
Matter.
4. electric motor rotor aluminium casting injection mold according to claim 1, which is characterized in that the injection structure further includes living
Plug, the piston are connected to compression head, push injection plunger to move in interior die sleeve by piston when injection, so that extrusion injection is intracavitary
Hot melt molten aluminum complete injection movement.
5. electric motor rotor aluminium casting injection mold according to claim 4, which is characterized in that the injection structure further includes solid
Fixed circle, the fixed trap are located on the outside of piston, and for limiting piston and injection plunger.
6. electric motor rotor aluminium casting injection mold according to claim 5, which is characterized in that the injection structure further includes peace
Seat is filled, the mounting base is connected to retainer plate, for fixing retainer plate.
7. electric motor rotor aluminium casting injection mold according to claim 6, which is characterized in that the injection structure further includes card
Key corresponds to card key in the mounting base and/or retainer plate and is provided with card slot, and the mounting base and retainer plate pass through card key and card
Slot is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558046.XA CN109434067B (en) | 2018-12-19 | 2018-12-19 | Cast aluminum injection mold for motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558046.XA CN109434067B (en) | 2018-12-19 | 2018-12-19 | Cast aluminum injection mold for motor rotor |
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| CN109434067A true CN109434067A (en) | 2019-03-08 |
| CN109434067B CN109434067B (en) | 2024-07-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109530491A (en) * | 2018-12-19 | 2019-03-29 | 浙江振兴阿祥集团有限公司 | A kind of non-lubricating rises type rounding die |
| CN114393192A (en) * | 2021-12-30 | 2022-04-26 | 丹阳市伟盛电子有限公司 | Die-casting device for tuner aluminum shell and machining method thereof |
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| CN114393192A (en) * | 2021-12-30 | 2022-04-26 | 丹阳市伟盛电子有限公司 | Die-casting device for tuner aluminum shell and machining method thereof |
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| Publication number | Publication date |
|---|---|
| CN109434067B (en) | 2024-07-26 |
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