CN107511469A - A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method - Google Patents
A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method Download PDFInfo
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- CN107511469A CN107511469A CN201710950390.2A CN201710950390A CN107511469A CN 107511469 A CN107511469 A CN 107511469A CN 201710950390 A CN201710950390 A CN 201710950390A CN 107511469 A CN107511469 A CN 107511469A
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- copper
- cast copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- 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
- B22D18/08—Controlling, supervising, e.g. for safety reasons
Abstract
A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method, belong to field of motor manufacturing, plus-pressure furnace is provided between the copper melting furnace and press-casting machine, connected between copper melting furnace and plus-pressure furnace by deoxidation pipeline, deoxidation pipeline is provided with vacuum lock with plus-pressure furnace connecting portion, conducting agent feeding device and mixing arrangement are provided between mould and flow liquid passage, controller is provided with squirrel cage motor rotor low pressure cast copper equipment, the part by weight of copper and zinc, tin, silver, indium, Potassium, graphene is 100：（0.5~4）：（0.5~3.8）：（0.6~3）（0.2‑0.5）：（0.3~0.5）：（0.1~0.3）, by using the present invention, it is possible to increase production efficiency, reduce labor intensity, ensure the insulation effect between silicon steel sheet piece, can more importantly improve the electrical efficiency of rotor rib, further improve the service efficiency of motor.
Description
Technical field
The present invention relates to a kind of cast copper equipment, cast copper and its cast copper method, more particularly to a kind of squirrel cage motor rotor low pressure
Cast copper equipment, cast copper and its cast copper method, belong to field of motor manufacturing.
Background technology
Traditional rotor is in the fabrication process, it is necessary to which the rotor silicon steel sheet of multiple superpositions is passed through in rotor guide groove
The silicon steel sheet of multiple superpositions is fixed up using rib, or rib fixed rotor is replaced using cast aluminium.But by
There is no the preferable manufacturing process of other materials in utilizing cast aluminium manufacture rotor relatively low there is electric efficiency, cast copper occurs
The cast copper defect such as empty nest, underfill, it is impossible to applied to rotor manufacturing industry in practice, is annoying always, how could improve
Electric efficiency is the target of the diligent pursuit of motor manufacturing producer.
The content of the invention
Rotor electrical efficiency is relatively low after being fixed for rotor using cast aluminium, electric efficiency is not high, again without good
Cast copper, the present invention provides a kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method, the purpose is to gram
The number of drawbacks during cast copper is taken, improves the compactness of cast copper, forms good casting effect, improves the conductance of rotor,
So as to further improve the efficiency of motor.
The technical scheme is that：A kind of squirrel cage motor rotor low pressure cast copper equipment, including copper melting furnace, rotor cast copper
Mould, the press-casting machine for setting mould, are provided with plus-pressure furnace between the copper melting furnace and press-casting machine, copper melting furnace and plus-pressure furnace it
Between connected by deoxidation pipeline, deoxidation pipeline and plus-pressure furnace connecting portion are provided with vacuum lock, and plus-pressure furnace utilizes flow liquid passage company
Pressurized equipment is connected to, vacuum equipment is provided with flow liquid passage, conducting agent feeding device is provided between mould and flow liquid passage
And mixing arrangement, controller is provided with squirrel cage motor rotor low pressure cast copper equipment；
Further, before the conducting agent feeding device and mixing arrangement are arranged on mould copper liquid pan feeding, mixing arrangement includes stirring
Device is mixed, conducting agent feeding device is arranged on mixing arrangement side, sealing valve one and sealing valve two are provided with before and after mixing arrangement, is led
Conducting agent hopper is provided with obstruction-removing prescription feeding device, turns on and is provided with sealing valve three between agent hopper and conducting agent feeding device；
Further, gas pipeline is connected with the copper melting furnace, the pressurization furnace bottom and periphery are provided with electric furnace heating wire, institute
State and vavuum pump is connected with deoxidation pipeline, vavuum pump is connected with controller；
Further, the vacuum lock includes the cylinder barrel of vertical direction, and the piston cylinder moved up and down, piston cylinder are provided with cylinder barrel
Side is provided with upper hole and bottom hole, and the opening of upper hole and bottom hole on piston cylinder is on the contrary, upper hole and bottom hole difference
Relative with deoxidation pipe outlet and plus-pressure furnace entrance, the distance between upper hole and bottom hole are equal to deoxidation pipe outlet with adding
Press the distance between stove entrance；
Further, gas pipeline is connected with the copper melting furnace, the pressurization furnace bottom and periphery are provided with electric furnace heating wire, institute
State and vavuum pump is connected with deoxidation pipeline, vavuum pump is connected with controller；
Further, the controller is arranged in operating desk lower part box, and touch-screen display is provided with operating desk, wherein wrapping
Include vacuum, pressure, dwell time display area and setting position；
Further, the preheating furnace of rotor is provided with by the press-casting machine of the setting mould, rotor is formed by stacking by multilayer silicon steel sheet,
Mould conveying robot is provided between preheating furnace and press-casting machine；
Further, the conducting agent feeding device is spiral charger, and spiral charger outlet connects with flow liquid passage, stirs
Mix and scraper plate is provided with device, scraper plate end is circular arc, and circular arc is consistent with flow liquid passage inner circumferential circular arc, and rotating shaft of stirrer is arranged on vertical
Nogata is upward；
Further, the piston cylinder is provided with interstitial hole, and interstitial hole connects with upper hole and bottom hole, is connected with piston cylinder
Lowering or hoisting gear, lowering or hoisting gear are driven by lifting motor, and encoder, encoder and controller are provided with the motor shaft of lifting motor
Connection.
A kind of squirrel cage motor rotor low pressure cast copper method, using above-mentioned squirrel cage motor rotor cast copper equipment, the motor turns
Sub- low pressure cast copper is carried out according to the following steps：
1）Copper raw material is heated in copper melting furnace, is heated to 1250 DEG C, at the same time, to the rotor profit being formed by stacking by silicon steel sheet
Preheated with the temperature less than 100 DEG C；
2）Manipulator sets preheated rotor in a mold, by press-casting machine Guan Bi mould, opens above and below mixing arrangement
Sealing valve, at the same time, deoxidation pipeline is vacuumized using vavuum pump；
3）Vavuum pump is closed after deoxidation pipeline vacuum reaches setting vacuum, closes the sealing that mixing arrangement top is set
Valve, decline vacuum lock piston cylinder, plus-pressure furnace is turned on deoxidation pipeline, copper liquid is entered in plus-pressure furnace, subsequently into mixing
In device, start agitator and pressue device, conducting agent is entered in copper liquid, make conducting agent and copper liquid using agitator stirring
Mixing；
4）Vacuum lock piston cylinder rises, and plus-pressure furnace sealing, pressurized equipment starts to pressurize, the moulding pressure most 0.4MPa；
5）The top seal valve of mixing arrangement is opened, using vacuum low-pressure to mould cast copper in cast copper equipment, when plus-pressure furnace pressure
Stop cast copper after being balanced with mould inner pressure, at the same time, vavuum pump vacuumizes to deoxidation pipeline；
6）Pressurize 0.5 minute, stopping vacuumize and pressurizeed copper liquid in a mold；
7）Press-casting machine opens mould, and manipulator takes out the copper casting rotor in mould, and carries out air purging to mould inside,
8）Repeat the above steps 2）~7）, realize the mouse cage cast copper of automation.
A kind of squirrel cage motor rotor low pressure cast copper, the squirrel cage motor rotor cast copper are made up of plurality of raw materials, its component bag
Include copper and zinc, tin, silver, indium, manganese, graphene, wherein graphene is conducting agent, using the weight of copper as 100, copper and zinc, tin, silver,
Indium, manganese, the weight ratio of graphene are 100：（0.5~4）：（0.5~3.8）：（0.6~3）：（0.2-0.5）：（0.3~0.5）：（0.1~
0.3）.
The good effect that the present invention has is：By being provided with plus-pressure furnace between copper melting furnace and press-casting machine, can make
The copper liquid of fusing under pressure, is delivered in the mould set in press-casting machine and carries out cast copper；By copper melting furnace with plus
Connected, can be vacuumized by deoxidation pipeline using deoxidation pipeline between pressure stove, the air in melting furnace and plus-pressure furnace is discharged,
Air in fused solution can be extracted out, air can be avoided to enter hole is formed when being cast in fused solution, reduce cast copper quality,
Influence the conductive effect of rotor cage cast copper；By being provided with vacuum lock in deoxidation pipeline and plus-pressure furnace connecting portion, can incite somebody to action
Copper liquid transmission is interrupted, and plus-pressure furnace is kept sealing state, and can utilize and pressurized equipment is connected on plus-pressure furnace by pressure to casting
Press transmits copper liquid；By setting vacuum equipment on flow liquid passage, conducting agent charging dress is provided between mould and flow liquid passage
Put and mixing arrangement, conducting agent can be added in copper liquid, and conducting agent is mixed with copper liquid and uniformly, reduce to conducting agent
Heat time, improve conducting agent actual effect, particularly in invention turn on agent used graphene, high temperature can be prevented
Degree destroys the institutional framework of graphene, and graphene can be utilized to improve the electrical efficiency of cast copper, improves and turns between electricity and machinery
Change efficiency；By setting controller in this squirrel cage motor rotor low pressure cast copper equipment, can make equipment according to setting pressure,
The technical parameters such as temperature, time realize automatic cast copper, realize the automation of equipment；By setting pressurization dress in mixing arrangement
Put, can be sent to using pressure drop graphene in copper liquid, agitator is centered by being set in mixing arrangement, can be copper liquid
Uniform stirring, it can be distributed in copper liquid by graphene uniform, improve the electrical efficiency of copper liquid；By mixing arrangement and leading
Sealing valve is set on obstruction-removing prescription feeding device, is advantageous to the transmission of graphene, is advantageous to the transmission of copper liquid, can be in the environment of sealing
The middle stirring for carrying out copper liquid, transmission, silicon steel sheet is preheated by being equipped with preheating furnace in rotor cage cast copper equipment, can
Accelerate the preheating time of silicon steel sheet, improve cast copper efficiency, reduce casting flaw, improve the compactness of cast copper；By setting machinery
Hand, it is possible to increase the carrying of rotor before and after casting, it is possible to increase production efficiency, reduce the labor intensity of worker, avoid scorching hot
Operating environment, good production environment is provided for operating personnel, by connecting lowering or hoisting gear on piston cylinder, lowering or hoisting gear is by electricity
Machine drives, and sets encoder on the motor shaft of motor, encoder is connected with controller, the flow of copper liquid can be obtained good
Control, it is possible to increase the control accuracy of cast copper, reduce the waste of copper liquid, improve the yields of product.By using the present invention, energy
Production efficiency is enough improved, reduces labor intensity, ensures the insulation effect between silicon steel sheet piece, can more importantly improve rotor rib
The electrical efficiency of bar, further improve the service efficiency of motor.
Brief description of the drawings
The positive structure schematic of Fig. 1 rotor low pressure mouse cage cast copper equipment.
Fig. 2 turns on the side structure schematic diagram of agent feeding device and mixing arrangement.
Embodiment
Just the concrete technical scheme of the present invention is described in detail referring to the drawings.
It is the position that label represents in accompanying drawing below：10- rotors, 11- copper melting furnaces, 11a- copper liquids, 12- plus-pressure furnaces, 13-
Pressue device, 14- mixing arrangements, 14a- sealing valves one, 14b- sealing valves two, 14c- sealing valves three, 15- press-casting machines, 16- moulds
Tool, 17- deoxidations pipeline, 17a- vavuum pumps, 18- vacuum locks, 18a- interstitial holes, 18b- lowering or hoisting gears, 18c- lifting motors,
19a- gates entrance, 19b- upper holes, the outlet of 20a- gates, 20b- bottom holes, 23- forcing pipes, 25- hydraulic means, 26- lifting
Guide rail, 27- flow liquids passage, 28- conductings agent feeding device, the spiral chargers of 28a-, 29- agitators, 29a- scraper plates, 31- are led
Obstruction-removing prescription hopper, 32- charging apertures.
The technical scheme is that a kind of squirrel cage motor rotor low pressure cage cast copper equipment, Fig. 1 is rotor low pressure mouse
The positive structure schematic of cage cast copper equipment.Squirrel cage motor rotor cast copper equipment includes copper melting furnace 11, the cast copper mould of rotor 10
16, the press-casting machine 15 of mould 16 is set, plus-pressure furnace 12, copper melting furnace 11 are provided between the copper melting furnace 11 and press-casting machine 15
It is connected between plus-pressure furnace 12 by deoxidation pipeline 17, deoxidation pipeline 17 is provided with vacuum lock 18 with the connecting portion of plus-pressure furnace 12,
Pressue device 13 is connected with by forcing pipe 23 on plus-pressure furnace 12, plus-pressure furnace 12 is connected to pressurized equipment using flow liquid passage 27,
Vacuum equipment is provided with flow liquid passage 27, conducting agent feeding device 28 is provided between mould 16 and flow liquid passage 27 and is mixed
Attach together and put 14, controller is provided with squirrel cage motor rotor low pressure cast copper equipment.
Fig. 2 is the side structure schematic diagram for turning on agent feeding device 28 and mixing arrangement 14.The conducting agent filling dress
Put and before mixing arrangement 14 is arranged on the copper liquid 11a pan feedings of mould 16, mixing arrangement 14 includes agitator 29, conducting agent charging dress
Put 28 and be arranged on the side of mixing arrangement 14, the 14a of sealing valve one and the 14b of sealing valve two are provided with before and after mixing arrangement 14, turn on agent
Conducting agent hopper 31 is provided with feeding device 28, sealing valve is provided between conducting agent hopper 31 and conducting agent feeding device 28
Three 14c.
Gas pipeline is connected with the copper melting furnace 11, the bottom of plus-pressure furnace 12 and periphery are provided with electric furnace heating wire,
Vavuum pump 17a is connected with the deoxidation pipeline 17, vavuum pump 17a is connected with controller.
The vacuum lock 18 includes the cylinder barrel of vertical direction, and the piston cylinder moved up and down, piston cylinder are provided with cylinder barrel
Side is provided with upper hole 19b and bottom hole 20a, and the opening of upper hole 19b and bottom hole 20a on piston cylinder is on the contrary, upper hole
The outlet with deoxidation pipeline 17 and the entrance of plus-pressure furnace 12 are relative respectively by 19b and bottom hole 20a, upper hole 19b and bottom hole 20a
The distance between be equal to the outlet of deoxidation pipeline 17 the distance between with the entrance of plus-pressure furnace 12.
It is provided with mould, specially upper die and lower die in the press-casting machine 15, is between the upper mould and lower mould after closure
Sealing state, in the present embodiment, upper mould drive vertical lift by hydraulic means 25, rise along riser guide 26 during lifting or
Decline, after upper mould is opened, the multi-disc silicon steel sheet being superimposed is positioned in lower mould by conveying robot, to being carried out in rotor
Cast copper.
The controller is arranged in operating desk lower part box, and touch-screen display is provided with operating desk, including
The display areas such as vacuum, pressure, dwell time and setting position.
The preheating furnace of rotor 10 is provided with by the press-casting machine 15 of the setting mould 16, rotor 10 is superimposed by multilayer silicon steel sheet
Form, the conveying robot of mould 16 is provided between preheating furnace and press-casting machine 15.
The conducting agent feeding device 28 is spiral charger 28a, and spiral charger 28a outlets connect with flow liquid passage
Logical, spiral charger 28a exits are provided with multiple charging apertures 32, are provided with scraper plate 29a on agitator 29, scraper plate 29a with
The circular arc of flow liquid passage 27 is consistent, by scrapings of the scraper plate 29a to multiple oral areas of charging aperture 32, can prevent to the oral area of charging aperture 32
Blocking, in the present embodiment, in order that conducting agent and copper liquid are sufficiently mixed, in the both sides of mixing arrangement 14 be arranged at two sets
Agent feeding device 28 is turned on, the rotating shaft of agitator 29 is set in vertical direction.
The piston cylinder is provided with interstitial hole 18a, and interstitial hole 18a connects with upper hole 19b and bottom hole 20b, vacuum
Gate is provided with gate entrance 19a close to the side of copper melting furnace 11, and plus-pressure furnace side is being provided with gate outlet 20a,
Lowering or hoisting gear 18b is connected with piston cylinder, lowering or hoisting gear 18b is driven by lifting motor 18c, on lifting motor 18c motor shaft
Encoder is provided with, encoder is connected with controller, after lowering or hoisting gear 18b drives piston cylinder to rise, gate entrance 19a and work
Connected between the upper hole 19b set in plug tube, gate connects between exporting the bottom hole 20b set on 20a and piston cylinder, copper
Liquid is on situation, on the contrary, after piston cylinder declines, copper liquid is in non-conduction situation, and the rise and fall of piston cylinder utilize control
Device control processed, the height of rising are controlled using encoder.
A kind of squirrel cage motor rotor low pressure cast copper method, including above-mentioned rotor cage cast copper device structure, the motor turn
Sub- mouse cage low pressure cast copper clicks step progress：
1）Copper raw material is heated in copper melting furnace 11, is heated to 1250 DEG C, at the same time, to the rotor being formed by stacking by silicon steel sheet
10 are preheated using the temperature less than 100 DEG C；
2）Preheated superposition servo-motor silicon steel sheet rotor is arranged in mould 16 by manipulator, by the Guan Bi mould 16 of press-casting machine 15, is beaten
Sealing valve of the mixing arrangement about 14 is opened, at the same time, deoxidation pipeline 17 is vacuumized using vavuum pump 17a；
3）Vavuum pump 17a is closed after the vacuum of deoxidation pipeline 17 reaches setting vacuum, the top of mixing arrangement 14 is closed and sets
Sealing valve, decline the piston cylinder of vacuum lock 18, plus-pressure furnace 12 is turned on deoxidation pipeline 17, copper liquid 11a enters plus-pressure furnace
In 12, subsequently into mixing arrangement 14, start agitator 29 and pressue device, conducting agent is entered in copper liquid 11a, utilize
The stirring of agitator 29 makes conducting agent be mixed with copper liquid 11a；
4）The piston cylinder of vacuum lock 18 rises, and plus-pressure furnace 12 seals, and pressurized equipment starts to pressurize, and the moulding pressure is most
0.4MPa；
5）The 14b of top seal valve two of mixing arrangement 14 is opened, using vacuum low-pressure to the cast copper of mould 16 in cast copper equipment, when adding
The pressure pressure of stove 12 after pressure balance in mould 16 with stopping cast copper, and at the same time, vavuum pump 17a vacuumizes to deoxidation pipeline 17；
6）Copper liquid 11a pressurize 0.5 minute in mould 16, stopping vacuumize and pressurizeed；
7）Press-casting machine 15 opens mould 16, and manipulator takes out the copper casting rotor in mould 16, and carries out air to the inside of mould 16
Purging；
8）Repeat the above steps 2）~7）, realize the mouse cage cast copper of automation.
A kind of rotor mouse low pressure mouse cage cast copper, the squirrel cage motor rotor cast copper formula are made up of plurality of raw materials, stone
Black alkene is conducting agent, and using the weight of copper as 100, copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100：（0.5~
4）：（0.5~3.8）：（0.6~3）：（0.2-0.5）：（0.3~0.5）：（0.1~0.3）.
It is function and the effect of various metals below：
Copper：Copper has the physicochemical characteristics such as good electric conductivity, thermal conductivity, corrosion resistance and ductility.Electric conductivity and lead
Hot property is only second to silver, and fine copper can pull into very thin copper wire, and very thin copper foil is made.The fresh section of fine copper is rose
, but surface is formed after aoxidizing copper film, and outward appearance is in aubergine, therefore often claims red copper.For copper in addition to fine copper, copper can be with tin, zinc, nickel
Deng metal compound into the alloy with different characteristics, i.e. bronze, brass and copper-nickel alloy.Zinc is added in fine copper (99.99%), then is claimed
Brass, such as copper content 80%, the basis brass pipe of zinc content 20% is used for the condenser and automobile radiators in power plant；Add nickel
Referred to as copper-nickel alloy, remaining referred to as bronze, in addition to zinc and nickel, all copper alloys for adding other metallic elements are referred to as green grass or young crops
Copper.
Zinc：Metallic zinc has good calenderability, wearability, corrosion resistance, castability, and has good normal temperature machinery
Property, the alloy of function admirable can be made with various metals.Mainly it is widely used in the form of zinc-plated, zinc-containing alloy, zinc oxide
The industries such as automobile, building, household electrical appliance, ship, light industry, machinery, battery.At present, non-ferrous metal consumption in be only second to copper and
Aluminium.After the component alloy such as aluminium, copper, its intensity and hardness greatly improve, especially the comprehensive mechanical performance of zinc-copper tungsten alloy
Close to or up aluminium alloy, brass, gray cast iron level, its creep-resistant property is also significantly enhanced.Metallic zinc and aluminium, copper
After component alloy, its intensity and hardness are greatly improved, and especially the comprehensive mechanical performance of zinc-copper tungsten alloy is approached or reached
To aluminium alloy, brass, gray cast iron level, its creep-resistant property is also significantly enhanced.Zinc has good anti-electromagnetic field
Energy.
Tin：Tin is one of metal that the mankind use earliest, and one of metal of most extensive industrial use, has quality
Softness, fusing point is low, and malleability is strong, and plasticity waits good characteristic with nontoxic by force, mainly for the manufacture of scolding tin, tin plate, alloy, chemical industry system
Product etc..It is widely used in electronics, information, electrical equipment, chemical industry, metallurgy, building materials, machinery, packaging for foodstuff, atomic energy and aerospace industry
Deng.Refer mainly to the relatively low solder of the fusing point that is made of kamash alloy.Tin plate has good sealing, keeping quality, photophobism, heavily fortified point
Solidity, corrosion resistance is nontoxic and have distinctive metal finishing glamour, is widely used in as the bag of the food such as can, beverage
Fill industry, military project, instrument, electrical equipment and other industry etc..Tin alloy is：Tin and antimony, the karmarsch alloy of copper synthesis and lead,
Tin, the lead-base bearing alloy of antimony synthesis, they can bear high speed and high pressure machinery for manufacturing steam turbine, generator, aircraft etc.
Bearing of equipment etc..
Silver：Silver is that more extensive metal is applied in daily life（metallic yarn）, especially necklace, bracelet,
More common in the adornments such as ring, its status in jewelry is only second to gold.The yield of silver is higher than golden, so price also relatively phase
Preferably.With metallographic seemingly, advantage is many, so being put to use greatly in industrial aspect for its physical property.Many electronic instruments and articles for use all with
Silver is raw material.Its high thermal conductivity makes it turn into manufacture electric wire, the first choice of contact point.In the terminal position of computer, computerized version
Electric wire in succession, is all saved energy and is transmitted high-quality signal with silver.It is anti-to increase its that the top layer of mirror can also be coated with silver sometimes
Penetrate effect.In addition, the clarifier of radio, electric transistor, water, the electric heart are all made with silvery.What the electric heart that silver is made was made than lead
It is long-lived 2 times.
Indium：Indium metal has ductility good, and plasticity is strong, and fusing point is low, and boiling point is high, low resistance, anticorrosive to wait good characteristic,
And there is preferable light permeability and electric conductivity, it is widely used in aerospace, radio and electronics industry, medical treatment, national defence, high-new
The fields such as technology, the energy.Produce ITO target（For producing liquid crystal display and flat screens）It is the major consumers neck of indium ingot
Domain, account for the 70% of global indium consumption figure.
Manganese：Its atomic number is 25, is a kind of canescence, hard crisp, glossiness transition metal, pure manganese metal is to compare iron
Slightly soft metal, the manganese containing a small amount of impurity is hard and crisp, and moist place can aoxidize.Manganese is widely present in nature, and manganese is contained in soil
0.25%, tealeaves, wheat and duricrust fruit are more containing manganese.The operation of contact manganese has rubble, mining, electric welding, production dry cell, dye
Expect industry etc..Manganese can be made with aluminothermic process reducing pyrolusite.Manganese is mainly used in the desulfurization and deoxidation of steel in steel and iron industry；Also use
As the additive of alloy, to improve the intensity of steel, hardness, elastic limit, wearability and corrosion resistance etc.；In high-alloy steel
In, austenite combined elements are also served as, for refining stainless steel, special alloy steel, stainless steel electrode etc..In addition, it has been additionally operable to
Non-ferrous metal, chemical industry, medicine, food, analysis and scientific research etc..
Graphene：It is a kind of two dimensional crystal, and the common graphite of people is by from level to level with the flat of honeycomb-patterned ordered arrangement
What face carbon atom was stacked and formed, the interlaminar action power of graphite is weaker, it is easy to peels off mutually, forms very thin graphite flake.When
Graphite flake is shelled into after individual layer, the individual layer of a this only carbon atom thickness is exactly graphene.The latest find of graphene
It is people's most efficient method in terms of anticorrosion.Conventional polymer coating is easy to be scraped off, and reduces protective value；And
Graphene does diaphragm, has significantly delayed corrosion of metal speed, firmer antibody Monoclonal.Graphene is not only electronic industry
Nova, the future applied to traditional industry is also limitless.Its application direction：Marine anticorrosion, anti-corrosion of metal, heavy antisepsis etc. are led
Domain.Graphene has good heat conduction, electric conductivity.The stable lattice structure of graphene makes carbon atom have outstanding conduction
Property.When electronics in graphene moves in track, it will not be scattered because of lattice defect or introducing foreign atom.Due to original
Sub- intermolecular forces are very strong, and at normal temperatures, even if surrounding carbon atom telescopes, the interference that electronics is subject in graphene is also very
It is small.But using the Flexible graphene radiating film of graphene its development and production can help existing notebook computer, smart mobile phone,
LED display etc., graphene can help to greatly promote heat dispersion.
A kind of squirrel cage motor rotor low pressure cast copper, the squirrel cage motor rotor cast copper are made up of plurality of raw materials, and its component includes copper
With zinc, tin, silver, indium, manganese, graphene, wherein graphene is conducting agent, using the weight of copper as 100, copper and zinc, tin, silver, indium,
Manganese, the weight ratio of graphene are 100：（0.5~4）：（0.5~3.8）：（0.6~3）：（0.2-0.5）：（0.3~0.5）：（0.1~
0.3）.
The formulation Example of the rotor cage cast copper is as follows：
Embodiment 1
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100： 0.5：0.5：0.6：0.2：0.3： 0.1.
Embodiment 2
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100： 0.6：0.6：0.7：0.3：0.4：0.2.
Embodiment 2
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100：1：1： 1：0.4：0.45：0.25.
Embodiment 3
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100：2：2： 2：0.45：0.47：0.26.
Embodiment 4
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100：3：3： 2.5：0.47：0.48：0.28.
Embodiment 5
Copper and zinc, tin, silver, indium, manganese, the ratio of graphene are respectively 100：4：3.8： 3：0.3：0.3：0.23.
By using above-mentioned formula, rotor is tested, the rotating ratio prior art of motor improves 5%, and conductance is average
Improve 8%.
The present invention can make the copper liquid of fusing by being provided with plus-pressure furnace 12 between copper melting furnace 11 and press-casting machine 15
11a under pressure, is delivered in the mould 16 set in press-casting machine 15 and carries out cast copper；By in copper melting furnace 11 and pressurization
Connected, can be vacuumized by deoxidation pipeline 17 using deoxidation pipeline 17 between stove 12, by the sky in melting furnace and plus-pressure furnace 12
Gas discharges, and can extract the air in fused solution out, air can be avoided to enter hole is formed when being cast in fused solution, reduce casting
Copper mass, influence the conductive effect of the mouse cage cast copper of rotor 10；By being provided with very in deoxidation pipeline 17 and the connecting portion of plus-pressure furnace 12
Empty gate 18, copper liquid 11a can be transmitted and interrupted, plus-pressure furnace 12 is kept sealing state, and can utilize and connect on plus-pressure furnace 12
Connect pressurized equipment and copper liquid 11a is transmitted to press-casting machine 15 by pressure；By setting vacuum equipment on flow liquid passage 27, mould 16 with
Conducting agent feeding device 28 and mixing arrangement 14 are provided between flow liquid passage 27, conducting agent can be added in copper liquid 11a,
And conducting agent is mixed with copper liquid 11a and uniformly, reduce the heat time to conducting agent, improve conducting agent actual effect, especially
Be in invention turn on agent used graphene, can prevent excessive temperature destroy graphene institutional framework, stone can be utilized
Black alkene improves the electrical efficiency of cast copper, improves the conversion efficiency between electricity and machinery；By being cast in this squirrel cage motor rotor low pressure
Controller is set in copper equipment, equipment can be made to realize automatic cast copper according to technical parameters such as the pressure, temperature, time of setting,
Realize the automation of equipment；By setting pressue device in mixing arrangement 14, copper liquid can be sent to using pressure drop graphene
In 11a, agitator 29 is centered by being set in mixing arrangement 14, can be copper liquid 11a uniform stirrings, can be by graphene
It is distributed evenly in copper liquid 11a, improves copper liquid 11a electrical efficiency；By in mixing arrangement 14 and conducting agent feeding device
Sealing valve is set on 28, is advantageous to the transmission of graphene, is advantageous to copper liquid 11a transmission, can be carried out in the environment of sealing
Copper liquid 11a stirring, transmission, is preheated by being equipped with preheating furnace in the mouse cage cast copper equipment of rotor 10 to silicon steel sheet, can
Accelerate the preheating time of silicon steel sheet, improve cast copper efficiency, reduce casting flaw, improve the compactness of cast copper；By setting machinery
Hand, it is possible to increase the carrying of rotor 10 before and after casting, it is possible to increase production efficiency, reduce the labor intensity of worker, avoid scorching hot
Operating environment, good production environment is provided for operating personnel, pass through on piston cylinder connect lowering or hoisting gear 18b, lifting dress
Put 18b to be driven by lifting motor 18c, encoder is set on the motor shaft of motor, encoder is connected with controller, can be to copper liquid
11a flow obtains good control, it is possible to increase the control accuracy of cast copper, reduces copper liquid 11a waste, improves the good of product
Product rate.By using the present invention, it is possible to increase production efficiency, reduce labor intensity, ensure the insulation effect between silicon steel sheet piece, more
It is important to improve the electrical efficiency of the rib of rotor 10, further improves the service efficiency of motor.
Claims (10)
1. a kind of squirrel cage motor rotor low pressure cast copper equipment, including copper melting furnace, rotor cast copper mould, the casting pressure that mould is set
Machine, it is characterised in that：Plus-pressure furnace is provided between the copper melting furnace and press-casting machine, by de- between copper melting furnace and plus-pressure furnace
Oxygen pipeline connects, and deoxidation pipeline is provided with vacuum lock with plus-pressure furnace connecting portion, and plus-pressure furnace is connected to pressurization using flow liquid passage
Equipment, vacuum equipment is provided with flow liquid passage, conducting agent feeding device is provided between mould and flow liquid passage and is mixed
Device, controller is provided with squirrel cage motor rotor low pressure cast copper equipment.
A kind of 2. squirrel cage motor rotor low pressure cast copper equipment according to claim 1, it is characterised in that：The conducting agent adds
Before material device and mixing arrangement are arranged on mould copper liquid pan feeding, mixing arrangement includes agitator, and conducting agent feeding device is set
In mixing arrangement side, sealing valve one and sealing valve two are provided with before and after mixing arrangement, turns on to be provided with agent feeding device and leads
Obstruction-removing prescription hopper, turn on and be provided with sealing valve three between agent hopper and conducting agent feeding device.
A kind of 3. squirrel cage motor rotor low pressure cast copper equipment according to claim 1, it is characterised in that：The vacuum lock
Cylinder barrel including vertical direction, the piston cylinder moved up and down is provided with cylinder barrel, piston cylinder side is provided with upper hole and bottom hole,
Opening on piston cylinder of upper hole and bottom hole on the contrary, upper hole and bottom hole respectively with deoxidation pipe outlet and plus-pressure furnace
Entrance is relative, and the distance between upper hole and bottom hole are equal to the distance between deoxidation pipe outlet and plus-pressure furnace entrance.
A kind of 4. squirrel cage motor rotor low pressure cast copper equipment according to claim 1, it is characterised in that：The copper melting furnace
On be connected with gas pipeline, the pressurization furnace bottom and periphery are provided with electric furnace heating wire, and vacuum is connected with the deoxidation pipeline
Pump, vavuum pump are connected with controller.
A kind of 5. squirrel cage motor rotor low pressure cast copper equipment according to claim 1, it is characterised in that：The controller is set
It is placed in operating desk lower part box, touch-screen display is provided with operating desk, shows including vacuum, pressure, dwell time
Show position and setting position.
A kind of 6. squirrel cage motor rotor low pressure cast copper equipment according to claim 1, it is characterised in that：The setting mould
Press-casting machine by be provided with the preheating furnace of rotor, rotor is formed by stacking by multilayer silicon steel sheet, set between preheating furnace and press-casting machine
There is mould conveying robot.
A kind of 7. squirrel cage motor rotor low pressure cast copper equipment according to claim 2, it is characterised in that：The conducting agent adds
Material device is spiral charger, and spiral charger outlet is connected with flow liquid passage, and scraper plate, scraper plate end are provided with agitator
Portion is circular arc, and circular arc is consistent with flow liquid passage inner circumferential circular arc, and rotating shaft of stirrer is set in vertical direction.
A kind of 8. squirrel cage motor rotor low pressure cast copper equipment according to claim 3, it is characterised in that：The piston cylinder is set
Interstitial hole is equipped with, interstitial hole connects with upper hole and bottom hole, lowering or hoisting gear is connected with piston cylinder, lowering or hoisting gear is by lifting
Motor driven, encoder is provided with the motor shaft of lifting motor, encoder is connected with controller.
9. a kind of squirrel cage motor rotor low pressure cast copper method, using squirrel cage motor rotor cast copper equipment described in claim 1-7, its
It is characterised by：The squirrel cage motor rotor low pressure cast copper is carried out according to the following steps：
1）Copper raw material is heated in copper melting furnace, is heated to 1250 DEG C, at the same time, to the rotor profit being formed by stacking by silicon steel sheet
Preheated with the temperature less than 100 DEG C；
2）Manipulator sets preheated rotor in a mold, by press-casting machine Guan Bi mould, opens above and below mixing arrangement
Sealing valve, at the same time, deoxidation pipeline is vacuumized using vavuum pump；
3）Vavuum pump is closed after deoxidation pipeline vacuum reaches setting vacuum, closes the sealing that mixing arrangement top is set
Valve, decline vacuum lock piston cylinder, plus-pressure furnace is turned on deoxidation pipeline, copper liquid is entered in plus-pressure furnace, subsequently into mixing
In device, start agitator and pressue device, conducting agent is entered in copper liquid, make conducting agent and copper liquid using agitator stirring
Mixing；
4）Vacuum lock piston cylinder rises, and plus-pressure furnace sealing, pressurized equipment starts to pressurize, the moulding pressure most 0.4MPa；
5）The top seal valve of mixing arrangement is opened, using vacuum low-pressure to mould cast copper in cast copper equipment, when plus-pressure furnace pressure
Stop cast copper after being balanced with mould inner pressure, at the same time, vavuum pump vacuumizes to deoxidation pipeline；
6）Pressurize 0.5 minute, stopping vacuumize and pressurizeed copper liquid in a mold；
7）Press-casting machine opens mould, and manipulator takes out the copper casting rotor in mould, and carries out air purging to mould inside,
8）Repeat the above steps 2）~7）, realize the mouse cage cast copper of automation.
A kind of 10. squirrel cage motor rotor low pressure cast copper, it is characterised in that：The squirrel cage motor rotor cast copper is by plurality of raw materials group
Into, its component includes copper and zinc, tin, silver, indium, manganese, graphene, and wherein graphene is conducting agent, using the weight of copper as 100, copper
Weight ratio with zinc, tin, silver, indium, manganese, graphene is 100：（0.5~4）：（0.5~3.8）：（0.6~3）：（0.2-0.5）：（0.3
~0.5）：（0.1~0.3）.
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| CN201710950390.2A CN107511469A (en) | 2017-10-13 | 2017-10-13 | A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950390.2A CN107511469A (en) | 2017-10-13 | 2017-10-13 | A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method |
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| CN107511469A true CN107511469A (en) | 2017-12-26 |
Family
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| CN201710950390.2A Pending CN107511469A (en) | 2017-10-13 | 2017-10-13 | A kind of squirrel cage motor rotor low pressure cast copper equipment, cast copper and its cast copper method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015608A1 (en) * | 2018-07-20 | 2020-01-23 | 福建浦汇科技发展有限公司 | Method for casting aluminum in rotor |
| CN110756787A (en) * | 2019-10-22 | 2020-02-07 | 广西科创机械股份有限公司 | Casting equipment and casting method thereof |
| CN111496225A (en) * | 2020-05-22 | 2020-08-07 | 山西电机制造有限公司 | Low-pressure cast aluminum pressurizing process for cast aluminum rotor of three-phase asynchronous high-voltage motor |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977869A (en) * | 1975-08-14 | 1976-08-31 | Eutectic Corporation | Indium-containing, low silver copper-base filler metal |
| US4587097A (en) * | 1984-06-22 | 1986-05-06 | Allied Corporation | Homogeneous low melting temperature brazing filler metal for joining ferrous and non-ferrous alloys |
| TW200528213A (en) * | 2003-09-24 | 2005-09-01 | Sumitomo Metal Ind | Continuous casting mold and method of continuous casting for copper alloy |
| CN102510180A (en) * | 2011-11-03 | 2012-06-20 | 无锡三鑫压铸有限公司 | Method for manufacturing squirrel cage induction motor rotor |
| CN103203445A (en) * | 2013-03-29 | 2013-07-17 | 福建尤迪电机制造有限公司 | Preparation method of cast copper cage rotor |
| CN203650736U (en) * | 2013-12-24 | 2014-06-18 | 唐山长虹塑料制品有限公司 | Automatic auxiliary material weighing and charging device for PE-Xa pipe production line |
| CN103909363A (en) * | 2014-04-01 | 2014-07-09 | 金华市三环焊接材料有限公司 | Cadmium-free low-silver solder containing tin, manganese and indium |
| CN105048744A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Cast copper rotor for variable frequency motor |
| CN105164292A (en) * | 2013-04-26 | 2015-12-16 | 威兰德-沃克公开股份有限公司 | Cast copper alloy for asynchronous machines |
| CN105938738A (en) * | 2016-05-26 | 2016-09-14 | 合肥中海信息科技有限公司 | Variable frequency cable for silver-copper alloy conductor aerospace |
| CN106067391A (en) * | 2016-06-27 | 2016-11-02 | 温州中希电工合金有限公司 | Stratiform silver-bearing copper pricker three-layer composite electric contact material prepared by a kind of atomization |
| CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机（上海）有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
| CN107012356A (en) * | 2017-03-22 | 2017-08-04 | 郭和谦 | A kind of high-intensity high-conductivity copper based alloy blank of graphene-containing and preparation method thereof |
| CN207239132U (en) * | 2017-10-13 | 2018-04-17 | 安阳恒安电机有限公司 | A kind of squirrel cage motor rotor low pressure cast copper equipment |
-
2017
- 2017-10-13 CN CN201710950390.2A patent/CN107511469A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977869A (en) * | 1975-08-14 | 1976-08-31 | Eutectic Corporation | Indium-containing, low silver copper-base filler metal |
| US4587097A (en) * | 1984-06-22 | 1986-05-06 | Allied Corporation | Homogeneous low melting temperature brazing filler metal for joining ferrous and non-ferrous alloys |
| TW200528213A (en) * | 2003-09-24 | 2005-09-01 | Sumitomo Metal Ind | Continuous casting mold and method of continuous casting for copper alloy |
| CN102510180A (en) * | 2011-11-03 | 2012-06-20 | 无锡三鑫压铸有限公司 | Method for manufacturing squirrel cage induction motor rotor |
| CN103203445A (en) * | 2013-03-29 | 2013-07-17 | 福建尤迪电机制造有限公司 | Preparation method of cast copper cage rotor |
| CN105164292A (en) * | 2013-04-26 | 2015-12-16 | 威兰德-沃克公开股份有限公司 | Cast copper alloy for asynchronous machines |
| CN203650736U (en) * | 2013-12-24 | 2014-06-18 | 唐山长虹塑料制品有限公司 | Automatic auxiliary material weighing and charging device for PE-Xa pipe production line |
| CN103909363A (en) * | 2014-04-01 | 2014-07-09 | 金华市三环焊接材料有限公司 | Cadmium-free low-silver solder containing tin, manganese and indium |
| CN105048744A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Cast copper rotor for variable frequency motor |
| CN105938738A (en) * | 2016-05-26 | 2016-09-14 | 合肥中海信息科技有限公司 | Variable frequency cable for silver-copper alloy conductor aerospace |
| CN106067391A (en) * | 2016-06-27 | 2016-11-02 | 温州中希电工合金有限公司 | Stratiform silver-bearing copper pricker three-layer composite electric contact material prepared by a kind of atomization |
| CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机（上海）有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
| CN107012356A (en) * | 2017-03-22 | 2017-08-04 | 郭和谦 | A kind of high-intensity high-conductivity copper based alloy blank of graphene-containing and preparation method thereof |
| CN207239132U (en) * | 2017-10-13 | 2018-04-17 | 安阳恒安电机有限公司 | A kind of squirrel cage motor rotor low pressure cast copper equipment |
Non-Patent Citations (1)
| Title |
|---|
| 唐代明: "金属材料学", vol. 1, 成都：西南交通大学出版社, pages: 277 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015608A1 (en) * | 2018-07-20 | 2020-01-23 | 福建浦汇科技发展有限公司 | Method for casting aluminum in rotor |
| US11198176B2 (en) | 2018-07-20 | 2021-12-14 | Fujian Puhui Technology Development Co., Ltd | Method for casting aluminum in rotor |
| CN110756787A (en) * | 2019-10-22 | 2020-02-07 | 广西科创机械股份有限公司 | Casting equipment and casting method thereof |
| CN111496225A (en) * | 2020-05-22 | 2020-08-07 | 山西电机制造有限公司 | Low-pressure cast aluminum pressurizing process for cast aluminum rotor of three-phase asynchronous high-voltage motor |
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