CN109274228A - The production technology of motor stamping - Google Patents
The production technology of motor stamping Download PDFInfo
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- CN109274228A CN109274228A CN201811143729.9A CN201811143729A CN109274228A CN 109274228 A CN109274228 A CN 109274228A CN 201811143729 A CN201811143729 A CN 201811143729A CN 109274228 A CN109274228 A CN 109274228A
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- Prior art keywords
- silicon steel
- punching
- liquid
- steel sheet
- production technology
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
Abstract
The present invention relates to motor stampings, disclose a kind of production technology of motor stamping, solve the problems, such as existing punching notch naked comprising following steps: S1: silicon steel coiled material is unfolded, and obtains silicon steel plate；S2: the silicon steel plate is conveyed to blanking equipment, and before silicon steel plate enters blanking equipment punching, adhere to one layer of liquid film in silicon steel plate surface, the liquid film is formed by punching liquid, the punching liquid includes the following raw material and its mass fraction: 100 parts of solvent, 20-30 parts of film forming agent, solvent is water；Film forming agent does not dissolve in solvent for the phosphate of dihydric phosphate and dihydric phosphate；S3: blanking equipment is punched silicon steel plate using the edge of a knife being arranged on upper and lower mould, obtains silicon steel sheet prefabricated component；S4: silicon steel sheet prefabricated component is sent to subsequent workshop section after collecting and is cleaned and be surface-treated, and obtains motor stamping, and notch forms insulating properties under fine and close phosphating coat cladding, improves the insulating properties between punching.
Description
Technical field
The present invention relates to motor stampings, the in particular to production technology of motor stamping.
Background technique
Motor stamping is a kind of common component in motor, is generally made of silicon steel, and multiple motor stampings are to stacked group
At motor rotor magnetic steel or motor stator magnet steel.The production technology of existing motor stamping is similar to application publication number
Punching process disclosed in CN103962443A, including punching machine, feed device, waste material recovery device and product is used to divide automatically
It picks device to be produced, feed device, waste material recovery device cooperate the silicon steel coiled material for constantly conveying to punching machine and being newly unfolded, punching
Bed work makes the upper and lower mould with the edge of a knife constantly be closed and open, and is punched silicon steel, while product automatic sorting takes device to be produced
Product realize punching production from the transfer on punching machine.
Existing silicon steel coiled material special secondary school door is supplied to the silicon steel coiled material of motor stamping production, and surface has producer's processing to be formed
Insulating protective layer has met insulating requirements between adjacent silicon steel sheet for its insulating properties in small-sized motor production, but due to punching
The edge of a knife, which is punched the section to be formed, in piece production process does not have insulating layer, and reduces silicon steel sheet insulating and make practical adjacent two
Insulation effect is lower than expection between silicon steel sheet.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of production technology of motor stamping, cut
Mouth forms insulating properties under fine and close phosphating coat cladding, improves the insulating properties between punching.
Above-mentioned technical purpose of the invention has the technical scheme that
The production technology of motor stamping, includes the following steps:
S1: silicon steel coiled material is unfolded, and obtains silicon steel plate；
S2: the silicon steel plate is conveyed to blanking equipment, and before silicon steel plate enters blanking equipment punching, in silicon steel plate
One layer of liquid film is adhered on surface, and the liquid film is formed by punching liquid, and the punching liquid includes the following raw material and its mass fraction:
100 parts of solvent,
20-30 parts of film forming agent,
Solvent is water；Film forming agent does not dissolve in solvent for the phosphate of dihydric phosphate and dihydric phosphate；
S3: blanking equipment is punched silicon steel plate using the edge of a knife being arranged on upper and lower mould, obtains silicon steel sheet prefabricated component；
S4: silicon steel sheet prefabricated component is sent to subsequent workshop section after collecting and is cleaned and be surface-treated, and obtains motor stamping.
By using above-mentioned technical proposal, liquid is punched in surface of silicon steel and is unfolded and infiltrates surface of silicon steel, forms liquid film；
When punching, upper and lower mould drives edge of a knife impact silicon steel to have the surface of liquid film, and it is a large amount of rapidly to compress and squeeze generation
Thermal energy, silicon steel and liquid film be brought rapidly up, and promotes the biphosphate salt hydrolysis in liquid film, generates phosphoric acid, phosphoric acid and surface of silicon steel
Iron reaction, concentration of metal ions increases in liquid film, and phosphate radical, which is converted into phosphate and precipitates, forms phosphating coat；
Wherein incision shearing force is concentrated, temperature height to promote the biphosphate salt hydrolysis in liquid film, and phosphate generates rate
Fastly, phosphating coat is more fine and close；In addition along recessed, liquid film is actively flowed to notch and is infiltrated silicon steel cutting shoulder, and it is cooling to accelerate notch,
Avoid notch melting welding, at the same supplement dihydric phosphate thicken phosphating coat, fill up finishing cut surface reduce cut surface recess and
Burr, notch form insulating properties under fine and close phosphating coat cladding, improve the insulating properties between punching.And surface of silicon steel shape
At phosphating coat protect the silicon steel sheet preform surfaces that are punched out, play anti-oxidant, lubrication, improve anti-extreme pressure energy, be conducive to
Transport and following process are stacked, overlap, burr, wire drawing are reduced.
Preferably, the raw material of the punching liquid further includes 1-2 parts of glidant, the glidant is graphene or graphite
The derivative of alkene.
By using above-mentioned technical proposal, the derivative of graphene or graphene structure and large specific surface area in the form of sheets, when
When being punched liquid contact surface of silicon steel, the two is sprawled in the interface of liquid level and air, reduces the punching aerial surface of liquid
Power, so that punching liquid is quickly flowed and infiltrated and sprawls.
Preferably, the glidant is fluorinated graphene or graphene oxide.
By using above-mentioned technical proposal, fluorinated graphene or graphene oxide have good insulating properties, compared with graphene
For not will lead to product silicon steel sheet prefabricated component electrical conductance improve.
Preferably, the punching liquid is lotion, the raw material of the punching liquid includes 120-130 parts of antirust oil.
It is unstable under lotion high temperature by using above-mentioned technical proposal, it is demulsified in the case where punching generates high temperature, antirust oil
It is separated from water, demulsification carries out simultaneously with phosphating coat formation, and antirust oil is avoided to contact infiltration with surface of silicon steel too early and hinder phosphatization
Film is formed；It is reacted with iron after water is contacted with surface of silicon steel, in water by the phosphoric acid of dihydric phosphate hydrolysis and subsequent a series of
Reaction is converted into phosphatoptosis, so that the hydrogen ion of surface of silicon steel and phosphate concentration decline, hydrogen ion and phosphate radical are actively
To surface of silicon steel, thus moisture film is attached to silicon steel sheet preform surfaces, and oil film is formed on the outside of moisture film, and then pre- in silicon steel sheet
Article surface forms double-deck liquid film, and the antirust and lubrication between process are provided for silicon steel sheet prefabricated component, avoids silicon steel sheet prefabricated component
Rust is returned in subsequent punch press process process, and moisture film separates oil film and silicon steel sheet preform surfaces, convenient for oil film cleaning removal.
And for the use of more existing antirust oil or lubricating oil, the heat absorption of phosphate generating process accelerates silicon steel cooling, in turn
Antirust oil volatilization is reduced, the formation of mist of oil in working environment is reduced, protect the physiological health of operator and avoids the upper of punching machine
Mould is contaminated.
Preferably, the glidant is the derivative of graphene or graphene.
By using above-mentioned technical proposal, when the derivative of graphene or graphene assists punching liquid stream is dynamic to sprawl, liquidate
Liquid emulsification is cut out without facilitation, avoids improving punching liquid mobility and wellability using a large amount of amount of surfactant, prevents table
Face activation dosage excessively causes high temperature demulsification bad.In addition punching liquid consistency increases after emulsifying, and is conducive to graphene or stone
The derivative of black alkene disperses in punching liquid, and the derivative of graphene or graphene under long term storage is avoided to precipitate.
Preferably, the glidant is fluorinated graphene.
By using above-mentioned technical proposal, it is punched liquid and is demulsified in the case where punching generates high temperature, in silicon steel sheet prefabricated component
Surface forms the double-deck liquid film structure of moisture film and oil film, since fluorinated graphene has hydrophobicity and oleophobic property, Jin Er simultaneously
Distribution situation in double-deck liquid film, for other of graphene or graphene derivative, more integrated distribution oil film with
The interface of air improves glidant auxiliary punching liquid and quickly flows automatically the effect sprawled.
Preferably, the liquid film is only attached on silicon steel plate upper surface.
By using above-mentioned technical proposal, used since silicon steel sheet prefabricated component overlaps, the silicon steel sheet of two adjacent overlappings is prefabricated
Having between part phase veneer has insulating layer in one side, can meet the insulating requirements of phase veneer, therefore liquid film can adhere to silicon steel plate
On material upper surface, silicon steel plate bottom surface is avoided to form liquid film, reduce the requirement to punching fluid viscosity, convenient for being punched liquid from manifold
At liquid film, and avoid the possibility that silicon steel plate bottom surface punching drop falls pollution working environment and punching machine.
Preferably, when the silicon steel sheet prefabricated component of the silicon steel sheet metal forming rotor, the silicon steel sheet prefabricated component it is interior
It is punched simultaneously along profile and outer profile, and the interior of the silicon steel sheet prefabricated component rushes jagged, the shape of the notch along profile
Shape is anisopleual.
By using above-mentioned technical proposal, according to the left-right position of the anisopleual shape of notch, it can determine whether that silicon steel sheet is pre-
Product is formed with the one of phosphating coat facing towards being convenient for silicon steel sheet prefabricated component following process and assembling, avoid two adjacent silicon steel sheets pre-
The not formed phosphating coat of product is affixed on one side.
Preferably, breach quantity is two on the silicon steel sheet prefabricated component of the rotor, and the silicon steel sheet about rotor is pre-
Product geometric center is symmetrical arranged.
By using above-mentioned technical proposal, guarantee that the silicon steel sheet prefabricated component center of gravity of rotor is overlapped with geometric center, avoids turning
The silicon steel sheet prefabricated component of son using when center of gravity be not overlapped with center of rotation and cause to tremble.
Preferably, the surface treatment is included in silicon steel sheet preform surfaces coating insulating coating.
By using above-mentioned technical proposal, and the motor big for large-size machine or load current, only rely on it is original absolutely
Edge protective layer or simple oxidation film layer are unable to satisfy insulating properties requirement, need to coat insulating coating, and due to technique producer
Formula itself causes cross-sectional face out-of-flatness often inevitable and with jagged and recess, makes insulating coating poor adhesive force, easily de-
It falls, insulation effect, which is lower than, is expected, and cut surface fills up finishing by phosphating coat in this technique, cut surface recess is reduced, convenient for absolutely
The attachment of edge coating, and phosphating coat itself improves paint adhesion, is conducive to insulating coating attachment and stablizes.
In conclusion the invention has the following advantages:
1. notch forms insulating properties under fine and close phosphating coat cladding, and the surface of silicon steel phosphating coat protection that is formed is punched out
Silicon steel sheet preform surfaces play anti-oxidant, lubrication, improve anti-extreme pressure energy, are conducive to stack transport and following process, subtract
Few overlap, burr, wire drawing；Cut surface fills up finishing by phosphating coat, reduces cut surface recess, adheres to convenient for insulating coating,
And phosphating coat itself improves paint adhesion, is conducive to insulating coating attachment and stablizes；
2. the derivative of graphene or graphene structure and large specific surface area in the form of sheets, when being punched liquid contact surface of silicon steel, two
Person sprawls in the interface of liquid level and air, reduces the punching aerial surface tension of liquid, so that punching liquid quickly flows simultaneously
Infiltration is sprawled, and wherein fluorinated graphene or graphene oxide have good insulating properties, compared with not will lead to product for graphene
The electrical conductance of silicon steel sheet prefabricated component improves；
3. the derivative of graphene or graphene assists punching liquid stream is dynamic to sprawl, to punching liquid emulsification without facilitation, avoid
Punching liquid mobility and wellability are improved using a large amount of amount of surfactant, prevents surface active dosage from excessively leading to high temperature
Demulsification is bad.In addition punching liquid consistency increases after emulsifying, and the derivative for being conducive to graphene or graphene is being punched in liquid
Dispersion avoids the derivative of graphene or graphene under long term storage from precipitating；
4. can determine whether that silicon steel sheet prefabricated component is formed with the one of phosphating coat and faces according to the left-right position of the anisopleual shape of notch
To, be convenient for silicon steel sheet prefabricated component following process and assembling, avoid the one side phase of the two adjacent not formed phosphating coats of silicon steel sheet prefabricated component
Patch；
5. breach quantity is two, and is symmetrical arranged about silicon steel sheet prefabricated component geometric center, guarantee the silicon steel sheet prefabricated component of rotor
Center of gravity is overlapped with geometric center, avoid the silicon steel sheet prefabricated component of rotor using when center of gravity be not overlapped with center of rotation and cause to shake
It quivers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stator silicon steel sheet prefabricated component and rotor silicon steel sheet prefabricated component；
Fig. 2 is the structural schematic diagram of stator silicon steel sheet prefabricated component；
Fig. 3 is the structural schematic diagram of rotor silicon steel sheet prefabricated component.
Appended drawing reference: 1, stator silicon steel sheet prefabricated component；2, rotor silicon steel sheet prefabricated component；3, notch.
Specific embodiment
Below in conjunction with attached drawing 1-3, invention is further described in detail.
Embodiment one,
The production technology of motor stamping, which is characterized in that the silicon steel sheet metal forming includes the following steps:
S1: silicon steel coiled material is unfolded, and obtains silicon steel plate；
S2: the silicon steel plate is conveyed to punching machine, and before silicon steel plate enters punching machine punching, in silicon steel plate upper and lower surface
Adhere to one layer of liquid film, the liquid film is formed by punching liquid, and the punching liquid includes the following raw material and its mass fraction:
100 parts of solvent,
20-30 parts of film forming agent,
Solvent is water；Film forming agent does not dissolve in solvent for the phosphate of dihydric phosphate and dihydric phosphate；
S3: punching machine is punched silicon steel plate, and punching obtains rotor just plate, while and in sheet metal blanking stator silicon steel at the beginning of rotor
The outer profile of piece prefabricated component 1；
S4: punching machine punching, at the beginning of rotor in plate punching stator silicon steel sheet prefabricated component 1 along profile and process drive keyway,
Obtain stator silicon steel sheet prefabricated component 1 and the second blanking part；
S5: punching machine is punched the second blanking part and is punched out the interior along profile and outer profile of rotor silicon steel sheet prefabricated component 2, obtains rotor
Silicon steel sheet prefabricated component 2；
S7: subsequent workshop section is sent to after stator silicon steel sheet prefabricated component 1 and the collection of rotor silicon steel sheet prefabricated component 2 and is carried out at cleaning and surface
Reason, obtains motor stamping.
As illustrated in the accompanying drawings from 1 to 3, while when silicon steel sheet metal forming rotor silicon steel sheet prefabricated component 2, rotor silicon steel sheet prefabricated component 2
Jagged 3 are rushed on the profile of outer.The shape of notch 3 according to the actual situation depending on, notch 3 it is anisopleual.And notch
3 quantity according to the actual situation depending on.3 quantity of notch is preferably two on rotor silicon steel sheet prefabricated component 2, and about rotor silicon
The center axis rotation of steel disc prefabricated component 2 is symmetrical arranged.
According to above-mentioned technique, embodiment 1A-1I is set, and raw material and the dosage for being punched liquid are as follows, and raw material is after mixing
Obtain punching liquid.
Insulation resistivity detection is carried out to the cut surface of gained silicon steel sheet prefabricated component, testing result is as follows.
Comparative example one,
Based on the technique of embodiment one, wherein water will be substituted for by punching liquid.The cut surface of gained silicon steel sheet prefabricated component is carried out
Insulation resistivity detection, insulation resistivity are 572 Ω/mm2。
From the foregoing, it will be observed that fine and close phosphating coat is coated on outside cut surface, insulating layer is formed, insulation effect is played.
Embodiment two,
A kind of production technology of motor stamping is added glidant in the raw material of punching liquid, is helped stream on the basis of embodiment 1B
Agent is the derivative of graphene or graphene.The raw material of punching liquid assists mixing under ultrasonic activation, keeps glidant dispersion equal
It is even.Glidant component and dosage are as follows.
According to above-mentioned technique, embodiment 2A-2I is set, and glidant and dosage are as follows.
Gravity flow is carried out to resulting punching liquid to mat formation the cut surface insulation resistivity detection of test and silicon steel sheet prefabricated component.
Gravity flow is mated formation test: selection flat sheet identical with Material quality of lamination is as substrate, under calm closed environment, water
Placing flat substrate marks the line of reference of origin and regular length, then the 1.5cm on away from substrate with laser designator on substrate
The punching liquid of 0.02ml is added dropwise with dropper to origin for height, sprawls punching liquid gravity flow.From after the punching liquid of dropwise addition when 5s, use
Camera vertical substrate positioned at flat sheet positive way is shot, and according to shooting image and is compared line of reference, is calculated and obtain
It is punched liquid gravity flow spreading area, the reference value mated formation as gravity flow.
Gravity flow mat formation test and silicon steel sheet prefabricated component cut surface insulation resistivity testing result it is as follows.
From the foregoing, it will be observed that the derivative of graphene or graphene structure and large specific surface area in the form of sheets, when punching liquid contacts silicon
When steel surface, the two is sprawled in the interface of liquid level and air, reduces the punching aerial surface tension of liquid, so that punching
Liquid, which is quickly flowed and infiltrated, to be sprawled.And wherein fluorinated graphene or graphene oxide have good insulating properties, compared with graphene
For not will lead to product silicon steel sheet prefabricated component electrical conductance improve, as more preferably.
Embodiment three,
A kind of production technology of motor stamping is added glidant in the raw material of punching liquid, is helped stream on the basis of embodiment 1E
Agent is the derivative of graphene or graphene.The raw material of punching liquid assists mixing under ultrasonic activation, keeps glidant dispersion equal
It is even.Glidant component, dosage and following punching liquid gravity flow are mated formation test result, cut surface insulation resistivity testing result
It is as follows.
Example IV,
A kind of production technology of motor stamping is added glidant in the raw material of punching liquid, is helped stream on the basis of embodiment 1H
Agent is the derivative of graphene or graphene.The raw material of punching liquid assists mixing under ultrasonic activation, keeps glidant dispersion equal
It is even.Glidant component, dosage and mat formation test result, cut surface insulation resistivity testing result of punching liquid gravity flow are as follows.
Embodiment five,
Surfactant is added in the raw material of punching liquid on the basis of embodiment 1B in a kind of production technology of motor stamping.
Surfactant component, dosage of surfactant, punching liquid gravity flow mat formation test result, cut surface insulation resistivity detection
As a result as follows.
From the foregoing, it will be observed that the addition of surfactant, can be improved the effect that punching liquid gravity flow is sprawled, but its effect is compared with graphene
And its derivative is poor.
Embodiment six,
A kind of production technology of motor stamping, based on the technique of embodiment 1B, punching liquid is lotion, and the raw material for being punched liquid further includes
There are 120-130 parts and emulsifier 5-6 parts of antirust oil, antirust oil can be commercially available upper product, select prepared lard herein.It is punched liquid
Specific ingredient is as follows.
To resulting punching liquid carry out punching liquid gravity flow mat formation test and heating demulsification type test.
Heating demulsification type test: it measures 10ml punching liquid and pours into Flat bottom container, Flat bottom container bottom plate punching liquid height is greater than
3mm.Heating water bath Flat bottom container makes punching liquid in it be warming up to 35 DEG C and keep temperature；Observation punching liquid delamination,
Heating punching liquid is warming up to 65 DEG C and keeps temperature in 1min again, observation punching liquid delamination；By Flat bottom container from water-bath
It takes out with its natural cooling, and observes punching liquid delamination variation.
Punching liquid gravity flow mat formation test and heating demulsification type test result it is as follows.
Silicon steel plate can be obtained in punching press in detection simultaneously, and Incision temperature is at 75-85 DEG C, and surface temperature is at 60-70 DEG C.
From the foregoing, it will be observed that punching liquid can occur to be demulsified and then is layered under heating state.
Embodiment seven,
A kind of production technology of motor stamping, based on the technique of embodiment 1E, punching liquid is lotion, and the raw material for being punched liquid further includes
There are 120-130 parts and emulsifier 5-6 parts of antirust oil, antirust oil can be commercially available upper product, select prepared lard herein.It is punched liquid
Specific ingredient is as follows.
To resulting punching liquid carry out punching liquid gravity flow mat formation test and heating demulsification type test, it is as a result as follows.
Silicon steel plate can be obtained in punching press in detection simultaneously, and Incision temperature is at 75-85 DEG C, and surface temperature is at 60-70 DEG C.
From the foregoing, it will be observed that punching liquid can occur to be demulsified and then is layered under heating state.
Embodiment eight,
A kind of production technology of motor stamping is based on embodiment 6E, glidant is added in the raw material of punching liquid, glidant is stone
The derivative of black alkene or graphene.The raw material of punching liquid assists mixing under ultrasonic activation, and glidant is made to be uniformly dispersed.It helps
It is as follows to flow agent ingredient, dosage result.
To resulting punching liquid carry out punching liquid gravity flow mat formation test and heating demulsification type test, and heating demulsification type test
When being punched liquid and being heated to 65 DEG C, oil and water separation and aqueous, detect the content ratio of graphene or derivatives thereof in oil liquid and aqueous.
Comparative example eight is set, embodiment seven is based on, improves emulsifier, adjusts heating demulsification type test result, makes to be punched
Liquid is heated to not stratified at 65 DEG C, records emulsifier, then reconfigures punching liquid and carry out punching liquid gravity flow and mat formation test,
As a result as follows.
Area mat formation in comparative example eight compared with increasing for embodiment seven, but it is still less than embodiment eight.
From the foregoing, it will be observed that the derivative of graphene or graphene auxiliary punching liquid stream is moved when sprawling, to punching liquid emulsification without rush
Into effect, avoids improving punching liquid mobility and wellability using a large amount of amount of surfactant, prevent surface active dosage mistake
Cause high temperature demulsification bad more.In addition punching liquid consistency increases after emulsifying, and is conducive to the derivative of graphene or graphene
Disperse in punching liquid, the derivative of graphene or graphene under long term storage is avoided to precipitate.
Simultaneously because fluorinated graphene has hydrophobicity and oleophobic property, and then the distribution situation in double-deck liquid film simultaneously,
For other of graphene or graphene derivative, more integrated distribution improves glidant at the interface of oil film and air
Auxiliary punching liquid quickly flows automatically the effect sprawled.
Embodiment nine,
A kind of production technology of motor stamping is based on embodiment one, and difference place is, silicon steel plate only spray on it by surface
Punching liquid is applied, to form liquid film.
According to above-mentioned technique, the punching liquid raw material of corresponding embodiment 1A-1I obtains corresponding embodiment 9A-9I, and to institute
Silicon steel sheet prefabricated component is obtained, the detection of cut surface insulation resistivity is carried out, it is as a result as follows.
It is used since silicon steel sheet prefabricated component overlaps, has in one side between the silicon steel sheet prefabricated component phase veneer of two adjacent overlappings and have
There is insulating layer, the insulating requirements of phase veneer can be met, therefore liquid film can adhere on silicon steel plate upper surface, avoid silicon steel plate
Material bottom surface forms liquid film, reduces the requirement to punching fluid viscosity, flows automatically to form liquid film convenient for punching liquid, and avoid silicon steel
Plate bottom surface punching drop falls the possibility of pollution working environment and punching machine.
Embodiment ten,
A kind of production technology of motor stamping is based on embodiment one, and it is exhausted that surface treatment is included in the coating of silicon steel sheet preform surfaces
Edge coating.Insulating coating is solidified using insulated paint coating, and it is herein Dongguan Shen Zhou electronics that insulated paint, which selects commercial product,
Materials Co., Ltd 1032A is from dry insulated paint.According to rule in " cross cut test of GB9286-1998 paint and varnish paint film "
Determine method pair, the cross cut test of paint film is carried out to embodiment nine and one gained motor stamping of comparative example, test result is as follows.
Embodiment 11,
Surfactant is added in the raw material of punching liquid on the basis of embodiment 1A in a kind of production technology of motor stamping.
Surfactant component, dosage of surfactant, punching liquid gravity flow mat formation test result, cut surface insulation resistivity detection
As a result as follows.
Embodiment 12,
Surfactant is added in the raw material of punching liquid on the basis of embodiment 1C in a kind of production technology of motor stamping.
Surfactant component, dosage of surfactant, punching liquid gravity flow mat formation test result, cut surface insulation resistivity detection
As a result as follows.
Embodiment 13,
Surfactant is added in the raw material of punching liquid on the basis of embodiment 1D in a kind of production technology of motor stamping.
Surfactant component, dosage of surfactant, punching liquid gravity flow mat formation test result, cut surface insulation resistivity detection
As a result as follows.
Embodiment 14,
Surfactant is added in the raw material of punching liquid on the basis of embodiment 1F in a kind of production technology of motor stamping.
Surfactant component, dosage of surfactant, punching liquid gravity flow mat formation test result, cut surface insulation resistivity detection
As a result as follows.
Embodiment 15,
A kind of production technology of motor stamping is added polysiloxanes in the raw material of punching liquid and is made on the basis of embodiment 12B
It is 4-6 parts of defoaming agent, defoaming agent dimethyl silicone polymer herein, every list on upper surface after record silicon steel plate spraying punching liquid
The percentage of the upper bubble occupied area of plane product, and compared with embodiment 12B.
| Embodiment 15A | Embodiment 15B | Embodiment 15C | Embodiment 12B | |
| Water/kg | 10 | 10 | 10 | 10 |
| Zinc dihydrogen phosphate/kg | 3 | 3 | 3 | 3 |
| Polyoxyethylene carboxylate/kg | 5.5 | 5.5 | 5.5 | 5.5 |
| Dimethyl silicone polymer/kg | 0.4 | 0.5 | 0.6 | 0 |
| Percentage/% of bubble occupied area on unit area | 0.08 | 0.05 | 0.02 | 0.50 |
Embodiment 16,
A kind of production technology of motor stamping is added polysiloxanes in the raw material of punching liquid and is made on the basis of embodiment 14B
It is 4-6 parts of defoaming agent, defoaming agent dimethyl silicone polymer herein, every list on upper surface after record silicon steel plate spraying punching liquid
The percentage of the upper bubble occupied area of plane product, and compared with embodiment 14B.
| Embodiment 16A | Embodiment 16B | Embodiment 16C | Embodiment 14B | |
| Water/kg | 10 | 10 | 10 | 10 |
| Aluminium dihydrogen phosphate/kg | 3 | 3 | 3 | 3 |
| Polyoxyethylene carboxylate/kg | 5.5 | 5.5 | 5.5 | 5.5 |
| Dimethyl silicone polymer/kg | 0.4 | 0.5 | 0.6 | 0 |
| Percentage/% of bubble occupied area on unit area | 0.08 | 0.05 | 0.02 | 0.50 |
Embodiment 17,
A kind of production technology of motor stamping, on the basis of embodiment 11B, punching liquid is lotion, and the raw material for being punched liquid also wraps
120-130 parts of antirust oil are included, antirust oil can be commercially available upper product, select prepared lard herein.
| Embodiment 17A | Embodiment 17B | Embodiment 17C | |
| Water/kg | 10 | 10 | 10 |
| Zinc dihydrogen phosphate/kg | 2 | 2 | 2 |
| Polyoxyethylene carboxylate/kg | 5.5 | 5.5 | 5.5 |
| Prepared lard/kg | 120 | 125 | 130 |
| Insulation resistivity/Ω .mm2 | 2574 | 2581 | 2574 |
In addition polysiloxane-based silicon oxygen bond fracture generates siloxanes alcohol, the meeting of siloxanes alcohol and phosphatase reaction, produces silicon
Oxygen alkane phosphate, siloxanes phosphate between in moisture film, are conducive to subsequent oil film as good surfactant-dispersed
Cleaning.
Embodiment 18,
A kind of production technology of motor stamping, on the basis of embodiment 13B, punching liquid is lotion, and the raw material for being punched liquid also wraps
120-130 parts of antirust oil are included, antirust oil can be commercially available upper product, select prepared lard herein.
| Embodiment 18A | Embodiment 18B | Embodiment 18C | |
| Water/kg | 10 | 10 | 10 |
| Aluminium dihydrogen phosphate/kg | 2 | 2 | 2 |
| Polyoxyethylene carboxylate/kg | 5.5 | 5.5 | 5.5 |
| Prepared lard/kg | 120 | 125 | 130 |
| Insulation resistivity/Ω mm2 | 2582 | 2584 | 2577 |
In addition polysiloxane-based silicon oxygen bond fracture generates siloxanes alcohol, the meeting of siloxanes alcohol and phosphatase reaction, produces silicon
Oxygen alkane phosphate, siloxanes phosphate between in moisture film, are conducive to subsequent oil film as good surfactant-dispersed
Cleaning.
Embodiment 19,
A kind of production technology of motor stamping, on the basis of embodiment 11B, surface treatment is included in silicon steel sheet preform surfaces
It is coated with insulating coating.Insulating coating is solidified using insulated paint coating, and insulated paint selects commercial product, is herein Dongguan mind
Continent Electron Material Co., Ltd 1032A is from dry insulated paint.The cross cut test of paint film, test result are carried out to gained motor stamping
It is as follows.
Embodiment 20,
A kind of production technology of motor stamping, on the basis of embodiment 13B, surface treatment is included in silicon steel sheet preform surfaces
It is coated with insulating coating.Insulating coating is solidified using insulated paint coating, and insulated paint selects commercial product, is herein Dongguan mind
Continent Electron Material Co., Ltd 1032A is from dry insulated paint.The cross cut test of paint film, test result are carried out to gained motor stamping
It is as follows.
Above-mentioned specific embodiment is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
Claims (10)
1. the production technology of motor stamping, which comprises the steps of:
S1: silicon steel coiled material is unfolded, and obtains silicon steel plate；
S2: the silicon steel plate is conveyed to blanking equipment, and before silicon steel plate enters blanking equipment punching, in silicon steel plate
One layer of liquid film is adhered on surface, and the liquid film is formed by punching liquid, and the punching liquid includes the following raw material and its mass fraction:
100 parts of solvent,
20-30 parts of film forming agent,
Solvent is water；Film forming agent does not dissolve in solvent for the phosphate of dihydric phosphate and dihydric phosphate；
S3: blanking equipment is punched silicon steel plate using the edge of a knife being arranged on upper and lower mould, obtains silicon steel sheet prefabricated component；
S4: silicon steel sheet prefabricated component is sent to subsequent workshop section after collecting and is cleaned and be surface-treated, and obtains motor stamping.
2. the production technology of motor stamping according to claim 1, which is characterized in that it is described punching liquid raw material further include
1-2 parts of glidant, the glidant is the derivative of graphene or graphene.
3. the production technology of motor stamping according to claim 2, which is characterized in that the glidant is fluorinated graphene
Or graphene oxide.
4. the production technology of motor stamping according to claim 1, which is characterized in that the punching liquid is lotion, described
The raw material for being punched liquid includes 120-130 parts of antirust oil.
5. the production technology of motor stamping according to claim 4, which is characterized in that the glidant is graphene or stone
The derivative of black alkene.
6. the production technology of motor stamping according to claim 5, which is characterized in that the glidant is fluorographite
Alkene.
7. the production technology of motor stamping according to claim 1, which is characterized in that the liquid film is only attached to silicon steel plate
On material upper surface.
8. the production technology of motor stamping according to claim 7, which is characterized in that the silicon steel sheet metal forming rotor
When silicon steel sheet prefabricated component, the interior of the silicon steel sheet prefabricated component is punched simultaneously along profile and outer profile, and the silicon steel sheet is prefabricated
The interior of part rushes jagged (3) along profile, and the shape of the notch (3) is anisopleual.
9. the production technology of motor stamping according to claim 8, which is characterized in that the silicon steel sheet prefabricated component of the rotor
Upper notch (3) quantity is two, and is symmetrical arranged about the silicon steel sheet prefabricated component geometric center of rotor.
10. the production technology of motor stamping according to claim 1, which is characterized in that the surface treatment is included in silicon
Steel disc preform surfaces are coated with insulating coating.
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| CN201811143729.9A CN109274228B (en) | 2018-09-28 | 2018-09-28 | Production process of motor punching sheet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05304037A (en) * | 1992-04-28 | 1993-11-16 | Aida Eng Ltd | Manufacturing method of laminated core |
| CN1474496A (en) * | 2002-08-19 | 2004-02-11 | 乐金电子(天津)电器有限公司 | Inductive motor and method for producing induction motor rotor and stator |
| CN105086688A (en) * | 2015-08-25 | 2015-11-25 | 济宁利特纳米技术有限责任公司 | Oxidized graphene insulating heat-radiating coating and preparation method thereof |
| CN105567022A (en) * | 2015-12-25 | 2016-05-11 | 国网智能电网研究院 | Non-toxic and environmental-protection oriented electrical steel insulating coating layer |
| CN106497274A (en) * | 2016-11-03 | 2017-03-15 | 马鞍山钢铁股份有限公司 | Silicon steel insulating coating, its preparation method and its using method |
| CN108233643A (en) * | 2016-12-21 | 2018-06-29 | 青岛祥智电子技术有限公司 | A kind of method that iron core is made in motor stamping |
-
2018
- 2018-09-28 CN CN201811143729.9A patent/CN109274228B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05304037A (en) * | 1992-04-28 | 1993-11-16 | Aida Eng Ltd | Manufacturing method of laminated core |
| CN1474496A (en) * | 2002-08-19 | 2004-02-11 | 乐金电子(天津)电器有限公司 | Inductive motor and method for producing induction motor rotor and stator |
| CN105086688A (en) * | 2015-08-25 | 2015-11-25 | 济宁利特纳米技术有限责任公司 | Oxidized graphene insulating heat-radiating coating and preparation method thereof |
| CN105567022A (en) * | 2015-12-25 | 2016-05-11 | 国网智能电网研究院 | Non-toxic and environmental-protection oriented electrical steel insulating coating layer |
| CN106497274A (en) * | 2016-11-03 | 2017-03-15 | 马鞍山钢铁股份有限公司 | Silicon steel insulating coating, its preparation method and its using method |
| CN108233643A (en) * | 2016-12-21 | 2018-06-29 | 青岛祥智电子技术有限公司 | A kind of method that iron core is made in motor stamping |
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