CN101108416A - Die-casting method of induction motor copper cage rotor and die casting device thereof - Google Patents
Die-casting method of induction motor copper cage rotor and die casting device thereof Download PDFInfo
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- CN101108416A CN101108416A CNA2007100661358A CN200710066135A CN101108416A CN 101108416 A CN101108416 A CN 101108416A CN A2007100661358 A CNA2007100661358 A CN A2007100661358A CN 200710066135 A CN200710066135 A CN 200710066135A CN 101108416 A CN101108416 A CN 101108416A
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 87
- 239000010949 copper Substances 0.000 title claims abstract description 87
- 238000004512 die casting Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000006698 induction Effects 0.000 title abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 33
- 230000008018 melting Effects 0.000 claims abstract description 33
- 238000005266 casting Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 19
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000006210 lotion Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Furnace Details (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a die casting method and a die casting device of a cooper cage rotor for an induction motor, which is applicable for the casting of pure copper and alloy with high copper content. The invention belongs to the technical field for smelting and rolling nonferrous metals. The die casting method comprises pretreating molds, smelting copper, casting and forming melt, and hardening and cooling. The casting device adopted by the casting method of the invention comprises a casting machine and a melting furnace, wherein, the melting furnace comprises an integrated crucible and a middle frequency induction furnace, the heating power of the middle frequency induction furnace is 0 to 100 KW; the die of the die casting machine comprises a plurality of inserts that are inserted, combined and connected. The invention has the advantages that the process and the equipment are reasonable, the product has no defect of casting cracking, surface cracking, poor filling and mold seizing, etc., the vibration value complies with R class in IEC34-14 (1996), is one class better than class N specified in the technical condition for Y series motor.
Description
Technical field:
The present invention relates to a kind of pressure casting method and die casting equipment of induction motor copper cage rotor, be applicable to the die casting of fine copper and high-copper alloy, belong to non-ferrous metal metallurgy and calendering processing technique field.
Background technology:
In recent years,, make copper casting rotor obtain concern, but because the difficulty that copper casting rotor is produced, make the widely used cast-aluminum rotor that remains of present motor because the electric conductivity of copper is higher by about 40% than aluminium.
The difficult point of die casting copper rotor technology is: the purity of copper melt and very high cast temperature.The cast temperature of pressure cast aluminium only is 700 ℃, and the cast temperature of copper pressure cast copper is not less than 1100 ℃.Temperature will produce oxidation in a large number above 1200 ℃ in the fusion process, and the many more pouring flow rates of oxidation are poor more, produce bubble easily in casting cycle, produce pore in foundry goods, influence the service behaviour of motor.Simultaneously high like this cast temperature all is very big test for the pressure chamber of mould and die casting machine.Use the mould of die casting aluminium rotor to come the die casting copper rotor, it only can bear the impact about 600 times, too wide in the gap compared with the impact that the die casting aluminium rotor can reach about 50,000 times, must seek or develop a kind of mold materials that can be applicable to copper die casting, simultaneously by pressure casting method and the die casting equipment of aspect researchs such as design of Die Casting, compression mod process control at fine copper and high-copper alloy induction motor copper cage rotor.
Summary of the invention:
The objective of the invention is to overcome the deficiency of prior art, a kind of pressure casting method and die casting equipment of induction motor copper cage rotor be provided,
Pressure casting method of the present invention improves on the basis of existing method and forms, and comprises operations such as preheating, the melting of copper material, die cast, it is characterized in that having comprised the hardening refrigerating work procedure, wherein:
(1) preheating procedure:
A, die casting adopt the heating mould bases to come preheated mold, or the mode preheated mold that heats simultaneously of mould bases and mould, and preheat temperature is controlled at 350-650 ℃;
B, press the chamber to adopt to concentrate on Lower Half to heat to come preheating, preheat temperature to be controlled at 350-650 ℃;
C, superimposed silicon steel sheet also use the intermediate frequency furnace heating, and preheat temperature remains on 350～500 ℃, and in the preheated mould cavity of packing into;
(2) copper material melting operation:
A, the preliminary treatment of copper material: the copper material is fine copper or high-copper alloy, and the copper content of fine copper is greater than 99.995%, and copper content is not less than 95% in the high-copper alloy; Fine copper or high-copper alloy raw material are processed into the copper bar that length is 4～6cm, and the copper bar is removed dirt through blast, go down except that moisture 500～600 ℃ of preheat temperatures, and shove charge melting subsequently, first batch of black furnace melting can be with the stove preheating;
B, melting: behind copper bar shove charge smelting equipment, the intermediate frequency furnace heating power is raised to 20KW, carries out melting to being upgraded to 40KW again after the copper bar reddens, when the copper bar when all fusing and temperature are at 1150～1250 ℃ melting finish;
C, deoxidation: begin to finish to melting from melting, feed mist by the gas passage on the smelting equipment to smelting equipment, form the protective gas atmosphere of anti-oxidation on copper section surface, employed gas is N
2With H
2, CO, C
2H
2Mist, N
2With C
2H
2Mix with 2: 1 ratios, and N
2With H
2Or CO all mixes more than 95% to contain nitrogen, and the feeding amount of mist is 0.2～1.0L/min.
(3) die cast operation:
A. before the die casting, by gas be blown into or the electrostatic gun spraying process to casting mold cavity with press indoor feeding to contain the moisture-free basis powdery or the particle lubricant of zinc stearate, or brush the lotion lubricant that a kind of organic matter mixes with inorganic matter;
B. the injection speed in the press casting procedure is 0.5-2.83m/s, and injection pressure is 300-800Bar, and boost pressure is more than the 600Bar;
(4) quench cooled operation: the room temperature water cooling is put in the motor copper rotor taking-up of die cast take out air cooling after 1 minute.
The employed fine copper of pressure casting method of the present invention reaches 99.99% above cathode copper, tough cathode or copper wire rod for copper content, and high-copper alloy is that copper content is at the copper alloy more than 95%.
The inductor motor copper rotor of this pressure casting method suitable for producing all size.
The die casting equipment that this pressure casting method uses is made of die casting machine and melting furnace, wherein:
(1) melting furnace is included as the crucible and the intermediate frequency furnace of one, and the heating power of intermediate frequency furnace is 0～100KW;
(2) die casting machine comprises a plurality of assembly combination connecting modes of inserting of employing, by casting mould that places the removable die assembly on the support (17), replaceable die assembly and fixed mould assembly to form and pressure chamber mould, wherein:
A. removable die assembly by body (1), be connected the thermal insulation board (2) on the body (1), the removable mould bases (3) that is connected with thermal insulation board (2), the removable die insert (4) that is connected with removable mould bases (3) constitutes;
B. the replaceable die insert (6) that replaceable die assembly connects by replaceable mould bases (5), with replaceable mould bases (5) constitutes;
C. the fixed mould assembly by fixed mould insert (7), with fixed mould insert fixedly mould bases (8) that (7) connect, heat insulation (14) connecting with fixing mould bases (8), the body (16) that connects with heat insulation (14), be fixed on the pressure chamber (10) that has ingate (9) on the fixed mould assembly its and constitute; Wherein, ingate (9) is from the horizontal by 45 °.
D. have on it along the horizontal cylindrical deep trouth of die casting copper liquid direction and perpendicular to the removable mould bases (3) of vertical cylindrical deep trouth of die casting copper liquid direction, middle mould mould bases (5) and fixedly be embedded with on the mould bases (8) electrically heated rod (15) and with thermocouple be the electrically heated rod (18) of one, or be embedded with electrically heated rod (15) and with thermocouple be the electrically heated rod (18) and the flexible wire rod formula heater (21) of one;
E. press chamber mould (10) by its top have vacuum orifice (12) parts, the field-replaceable unit (22) that is connected with these parts, place the pressure chamber drift (13) form; Wherein: press the heating rod (21) that is equipped with several heating rods (24) and a band thermocouple in the Lower Half body wall of chamber; Have cast gate (12), annular gap (20) and equally distributed a plurality of powder or particle lubricant import (19) on the field-replaceable unit (22).
The selection of mold materials:
A, use different mold materials according to each difference of being heated of inserting, wherein removable mould (4), replaceable mould (6) and running channel and ingate place fixed mould insert (7) use Hastelloy, make because of section's alloy, other conventional hot die steel manufacturings such as then can using H13 of inserting, only need change cavity block during replacing and get final product, reduce the cost of manufacture of mould.
B, heater block adopt the cartridge type heating rod (15) (24) of high temperature resistant (≤750 ℃) of Germany's product, simultaneously for real-time supervision molding surface temperature, be provided with thermocouple on the part heating rod, promptly thermocouple and heating rod are the cartridge type heating rod (18) (21) of one.The heater wire of heater adopts the guardwire of the high temperature resistant line (≤600 ℃) of Germany, wraps up with high temperature resistant sleeve pipe (≤500 ℃) in the heater wire source of heater.
High temperature resistant hard heat-insulating plate is adopted in c thermal insulation board (2) and heat insulation (14), and its high temperature resistant temperature reaches 800 ℃.
Mode of heating of the present invention adopts:
A) have thereon along the horizontal cylindrical deep trouth of die casting copper liquid direction and perpendicular to the removable mould bases (3) of vertical cylindrical deep trouth of die casting copper liquid direction, replaceable mould bases (5) and fixedly mould bases (8) go up heating rod (15) embedded in the horizontal cylindrical deep trouth, and will be in the vertical cylindrical deep trouth of electrically heated rod (18) embedding of one with thermocouple, come preheated mold by the heating mould bases, this mode of heating can effectively prolong the life-span of mould.
B) at removable mould bases (3), replaceable mould bases (5) with fixedly have on the mould bases (8) along the horizontal cylindrical deep trouth of die casting copper liquid direction with perpendicular to the cylindrical deep trouth of vertical cylindrical deep trouth of die casting copper liquid direction, electrically heated rod (15), (18) embed respectively in the cylindrical deep trouth; Wherein the deep trouth in removable mould mould bases (3) center and removable die insert (4) contact portion can directly lead to removable die insert (4), with directly touching removable die insert (4) in heating rod (15), (18) embedding deep trouth, realize heating simultaneously the mode of heating of mould bases and mould; Heat jointly with vertical heating rod (15) (18) the equidistant mould bases inside that is embedded in of flexible wire rod formula heater (23).
Heater divides (23) two kinds of high density cartridge heater (15) (18) (21) (24) and flexible wire rod formula heaters.
The mounting means difference (as shown in Figure 4 and Figure 5) of above-mentioned heater is also different to the requirement of heater etc.:
A) the horizontal mounting means electrical efficiency height of high density cartridge heater, can to the part of inserting the high density cartridge heater be set neatly by the thermal field situation by moulding, this mounting means has proposed very high heatproof requirement to the heater wire of high density cartridge heater simultaneously, because this mounting means must be embedded in the heater wire of heater in the wire casing of mould bases.Owing to above reason; laterally the heater wire of the employed heater of mounting means is a kind of high temperature resistant glass line; heatproof can reach 800 ℃), simultaneously for the better protection lead, outside the heater wire of heater, also must wrap up with a kind of high temperature resistant sleeve pipe (750 ℃).
B) vertical mounting means of high density cartridge heater: such mounting means electrical efficiency is on the low side, because the high density cartridge heater can't be installed in some special region.But such mounting means requires lowly to the heater wire of high density cartridge heater, because heater wire exposes in air, is not embedded in the mould and goes, and can save cost widely.Simultaneously, such mounting means is convenient especially to damage replacing to the high density cartridge heater, changes electric heater the horizontal mounting means and must unload mould down from machine and need not resemble.
Prove that by experiment it is best mounting means that the high density cartridge heater uses the mixing mounting means of horizontal mounting means and vertical mounting means combination to come preheated mold, can obtain mold temperature field uniformly.Prove by experiment that simultaneously the Hybrid Heating mode of using mould and mould bases to heat simultaneously is a best mode.
The present invention has technology and device is reasonable, product does not have defectives such as casting crack, face crack, filling are bad, sticking to mould, its vibration present worth meets the R level regulation among the IEC34-14 (1996), has improved advantages such as one-level than the N level of Y series motor technology condition defined.
Description of drawings:
Fig. 1 is the generalized section of die casting equipment;
Fig. 2 is the generalized section of mould;
Fig. 3 presses chamber mould (10) structural representation;
Fig. 4 is the schematic diagram that is embedded with electrically heated rod (15), (18) on mould bases (3), (5), (8).
Fig. 5 is the schematic diagram that is embedded with electrically heated rod (15), (18) and flexible wire rod formula heater (23) on mould bases (3), (5), (8).
Fig. 6 is that schematic diagram is looked on the section right side of field-replaceable unit (22).
The specific embodiment mode:
Embodiment 1: the copper rotor of die casting 10HP
Pressure casting method and die casting equipment are partly described with shown in the accompanying drawing as summary of the invention.
Press casting procedure is:
1, preheating procedure
A, die casting adopt the heating mould bases to come preheated mold, or the mode preheated mold that heats simultaneously of mould bases and mould, and preheat temperature is controlled at 350-650 ℃;
B, press the chamber to adopt to concentrate on Lower Half to heat to come preheating, preheat temperature to be controlled at 350-650 ℃;
C, superimposed silicon steel sheet also use the intermediate frequency furnace heating, and preheat temperature remains on 350～500 ℃, and in the preheated mould cavity of packing into;
2, copper material melting
A, the preliminary treatment of copper material: the copper material is a copper content greater than 99.995% fine copper, 6.4kg fine copper raw material is processed into the copper bar that length is 4cm, and the copper bar is removed dirt through blast, goes down except that moisture in 500 preheat temperatures, shove charge melting subsequently, first batch of black furnace melting can be with the stove preheating;
B, melting: behind copper bar shove charge smelting equipment, the intermediate frequency furnace heating power is raised to 20KW, carries out melting to being upgraded to 40KW again after the copper bar reddens, when the copper bar when all fusing and temperature are at 1150～1200 ℃ melting finish;
C. deoxidation: begin to finish to melting from melting, feed mist by the gas passage on the smelting equipment to smelting equipment, form the protective gas atmosphere of anti-oxidation on copper material surface, employed gas is N
2With C
2H
2Mix with 2: 1 ratios, the feeding amount of mist is 0.2L/min;
3, die cast
A. before the die casting, by gas be blown into or the electrostatic gun spraying process routinely consumption to casting mold cavity with press indoor feeding to contain powdery or the particle lubricant releasing agent or the plunger lubricants of the moisture-free basis of zinc stearate, to drift, press chamber and die cavity to handle;
B. temperature is not less than 1100 ℃ molten copper liquid and puts into and press chamber (10), the molten copper material enters die casting in the casting mold cavity of mould by cast gate (12) under the promotion of plunger (13); Injection speed in the press casting procedure is 0.5m/s, and injection pressure is 35.8MPa, and boost pressure is at 600Bar.
4, quench cooled operation: the room temperature water cooling is put in the motor copper rotor taking-up of die cast take out air cooling after 1 minute.
Embodiment 2:
Substantially with embodiment 1.Difference is:
Be 40 minutes heat time heating time, and mold temperature reaches 430 ℃; The copper material is processed into the copper bar that length is 5cm for copper content is not less than 90% high-copper alloy with the 6.4kg high-copper alloy raw material, and the copper bar is removed dirt through blast, and the black furnace of packing into subsequently can be with stove preheating and melting; The feeding amount of mist is 0.6L/min, and mist is N
2With H
2The middle mixing, mixed gas containing nitrogen gas is more than 95%; Injection speed is 1.2m/s, and injection pressure is 51.8Mpa.
Embodiment 3:
Substantially with embodiment 1.Difference is:
Be 60 minutes heat time heating time, and mold temperature reaches 500 ℃; The copper material is processed into the copper bar that length is 6cm for copper content is not less than 90% high-copper alloy with the 6.4kg high-copper alloy raw material; Before the die casting, the lotion lubricant that the Wolfrakote organic matter of selling on a kind of market of brushing in drift, pressure chamber and die cavity mixes with inorganic matter is handled drift, pressure chamber and die cavity; Mist is N
2Mix with CO, contain nitrogen in the mist more than 95%; Injection speed is 2.83m/s, and injection pressure is 81Mpa.
The product that adopts the inventive method to produce does not have casting crack, fills defective such as bad, sticking to mould, and its vibration present worth meets the R level regulation among the IEC34-14 (1996), has improved one-level than the N level of Y series motor technology condition defined.
Claims (2)
1. the pressure casting method of an inductor motor copper cage rotor comprises mould preliminary treatment, the melting of copper material, liquation die cast operation, it is characterized in that also comprising the hardening refrigerating work procedure, wherein:
(1) mould pretreatment process:
A, die casting adopt the heating mould bases to come preheated mold, or the mode preheated mold that heats simultaneously of mould bases and mould, and preheat temperature is controlled at 350-650 ℃;
B, press the chamber to adopt to concentrate on Lower Half to heat to come preheating, preheat temperature to be controlled at 350-650 ℃;
C, superimposed silicon steel sheet also use the intermediate frequency furnace heating, and preheat temperature remains on 350～500 ℃, and in the preheated mould cavity of packing into;
(2) copper material melting operation:
A, the preliminary treatment of copper material: the copper material is fine copper or high-copper alloy, and the copper content of fine copper is greater than 99.995%, and copper content is not less than 95% in the high-copper alloy; Fine copper or high-copper alloy raw material are processed into the copper bar that length is 4～6cm, and the copper bar is removed dirt through blast, go down except that moisture 500～600 ℃ of preheat temperatures, and shove charge melting subsequently, first batch of black furnace melting can be with the stove preheating;
B, melting: behind copper bar shove charge smelting equipment, the intermediate frequency furnace heating power is raised to 20KW, carries out melting to being upgraded to 40KW again after the copper bar reddens, when the copper bar when all fusing and temperature are at 1150～1250 ℃ melting finish;
C. deoxidation: begin to finish to melting from melting, feed mist by the gas passage on the smelting equipment to smelting equipment, form the protective gas atmosphere of anti-oxidation on copper material surface, employed gas is N
2With H
2, CO, C
2H
2Mist, N
2With C
2H
2Mix with 2: 1 ratios, and N
2With H
2Or CO all mixes more than 95% to contain nitrogen, and the feeding amount of mist is 0.2～1.0L/min.
(3) die cast operation:
A. before the die casting, by gas be blown into or the electrostatic gun spraying process to casting mold cavity with press indoor feeding to contain the moisture-free basis powdery or the particle lubricant of zinc stearate, or brush the lotion lubricant that a kind of organic matter mixes with inorganic matter;
B. the injection speed in the press casting procedure is 0.5-2.83m/s, and injection pressure is 300-800MPa, and boost pressure is 600Bar;
(4) quench cooled operation: the room temperature water cooling is put in the motor copper rotor taking-up of die cast take out air cooling after 1 minute.
2. the die casting equipment of the described method use of claim 1 is made of die casting machine and melting furnace, it is characterized in that:
(1) melting furnace is included as the crucible and the intermediate frequency furnace of one, and the heating power of intermediate frequency furnace is 0～100KW;
(2) die casting machine comprises a plurality of assembly combination connecting modes of inserting of employing, by casting mould that places the removable die assembly on the support (17), replaceable die assembly and fixed mould assembly to form and pressure chamber mould, wherein:
A. removable die assembly by body (1), be connected the thermal insulation board (2) on the body (1), the removable mould bases (3) that is connected with thermal insulation board (2), the removable die insert (4) that is connected with removable mould bases (3) constitutes;
B. the replaceable die insert (6) that replaceable die assembly connects by replaceable mould bases (5), with replaceable mould bases (5) constitutes;
C. the fixed mould assembly by fixed mould insert (7), with fixed mould insert fixedly mould bases (8) that (7) connect, heat insulation (14) connecting with fixing mould bases (8), the body (16) that connects with heat insulation (14), be fixed on the pressure chamber (10) that has ingate (9) on the fixed mould assembly its and constitute; Wherein, ingate (9) is from the horizontal by 45 °.
D. have on it along the horizontal cylindrical deep trouth of die casting copper liquid direction and perpendicular to the removable mould bases (3) of vertical cylindrical deep trouth of die casting copper liquid direction, middle mould mould bases (5) and fixedly be embedded with on the mould bases (8) electrically heated rod (15) and with thermocouple be the electrically heated rod (18) of one, or be embedded with electrically heated rod (15) and with thermocouple be the electrically heated rod (18) and the flexible wire rod formula heater (23) of one;
E. press chamber mould (10) by its top have vacuum orifice (12) parts, the field-replaceable unit (19) that is connected with these parts, place the pressure chamber drift (13) form; Wherein: press the heating rod (21) that is equipped with several heating rods (24) and a band thermocouple in the Lower Half body wall of chamber; Have cast gate (12), annular gap (20) and equally distributed a plurality of powder or particle lubricant import (19) on the field-replaceable unit (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100661358A CN100493777C (en) | 2007-08-24 | 2007-08-24 | Die-casting method of induction motor copper cage rotor and die casting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100661358A CN100493777C (en) | 2007-08-24 | 2007-08-24 | Die-casting method of induction motor copper cage rotor and die casting device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101108416A true CN101108416A (en) | 2008-01-23 |
| CN100493777C CN100493777C (en) | 2009-06-03 |
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|---|---|---|---|
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| CN102904350A (en) * | 2012-10-16 | 2013-01-30 | 浙江京马电机有限公司 | Copper induction motor |
| CN103212688A (en) * | 2013-04-08 | 2013-07-24 | 杭州友阳电器有限公司 | Die-casting manufacturing method for electric appliance joint |
| CN104619439A (en) * | 2012-09-12 | 2015-05-13 | 奥里诺科铝科技工业公司 | Process and plant for producing components made of an aluminium alloy for vehicles and white goods, and components obtained thereby |
| CN104759603A (en) * | 2015-03-19 | 2015-07-08 | 云南铜业压铸科技有限公司 | Method for expanding use of middle die device of copper rotor die-casting die |
| CN105458209A (en) * | 2015-12-15 | 2016-04-06 | 铜陵铜官府文化创意股份公司 | Pressure casting method for copper artwork |
| CN105772673A (en) * | 2016-04-26 | 2016-07-20 | 商学永 | Squirrel cage motor rotor die casting device and method |
| CN105880521A (en) * | 2016-05-03 | 2016-08-24 | 宋照峰 | Casting method of copper rotor |
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