CN114400846A - Rotor iron core manufacturing method - Google Patents
Rotor iron core manufacturing method Download PDFInfo
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- CN114400846A CN114400846A CN202210079373.7A CN202210079373A CN114400846A CN 114400846 A CN114400846 A CN 114400846A CN 202210079373 A CN202210079373 A CN 202210079373A CN 114400846 A CN114400846 A CN 114400846A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 44
- 238000003825 pressing Methods 0.000 claims description 26
- 238000007689 inspection Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 11
- 239000012634 fragment Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 1
- 238000003475 lamination Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
-
- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of rotor cores and discloses a rotor core manufacturing method, wherein S1 the working die is checked before the rotor core is manufactured, the measuring tool is checked, the upper die and the lower die are combined, so that the joint of the upper die and the lower die is accurately butted, an unprocessed iron chip is sent into the die through a conveying table, the processed iron chip is sent into a shaping device, the appearance is checked, the phenomena of no bulge, no residual sheet and no sheet defect on the surface of the iron core are checked, and a rotating shaft and other accessories are not knocked and damaged. According to the manufacturing method of the rotor iron core, when the iron core is punched, each iron core piece rotates a specified angle (generally a large angle) and then is laminated and riveted, the rotating angles between the iron core pieces generally have large-angle rotation forms such as 45 degrees, 60 degrees, 72 degrees, 90 degrees, 120 degrees and 180 degrees, and the laminating and riveting method can compensate lamination accumulation errors caused by uneven thickness of punched materials and improve the magnetic performance of a motor.
Description
Technical Field
The invention relates to the technical field of rotor cores, in particular to a manufacturing method of a rotor core.
Background
In order to reduce the iron loss of the motor, a silicon steel sheet with lower iron loss and thinner thickness (such as 0.20mm thickness) is required to be adopted for the high-speed motor, and in order to further reduce the rotor loss, the copper loss of the rotor can be effectively reduced by adopting a cast copper rotor, so that in the high-speed asynchronous motor, the rotor structure combining a stamped iron core with thinner thickness and a cast copper cage is adopted, the rotor loss can be effectively reduced, the temperature rise of the rotor is reduced, and the rotor structure is a high-speed asynchronous motor rotor structure with outstanding performance.
The rotor punching sheet needs to be firstly laminated into a rotor core, the laminated rotor core is required to have corresponding positioning precision and structural strength, the rotor core is pressed into a rotating shaft after copper casting is completed, so that the inner hole of the general rotor core does not have the rotating shaft when the rotor punching sheet core is laminated, the inner hole of the rotor punching sheet core is hollow and is matched with a core rod of a copper casting mould, the rotor punching sheet core and the mould core rod are matched in a small clearance mode, the mould core rod is convenient to insert into the rotor punching sheet core, a certain pressure is applied to the laminated rotor punching sheet core, the rotor punching sheet core can be laminated tightly under the action of the pressure, meanwhile, the rotor punching sheet core generates a certain deformation to generate enough friction between the inner hole of the rotor punching sheet core and the mould core rod, the pressure is removed after a certain application time is kept, and the rotor punching sheet core keeps the laminated tight state by means of the friction force between the rotor punching sheet core and the mould core rod, And remain in place for longer periods of time without becoming loose. So far, through the friction action between the rotor punching sheet and the mold core rod, the rotor punching sheet and the mold core rod become a compact rotor punching sheet locking iron core which has certain strength and does not contain a cast copper cage structure, and the next procedure of casting a cast copper rotor can be carried out.
However, when punching the core pieces, there is a slight error in the thickness of each layer of core pieces, but the core is formed by combining a plurality of layers of core pieces, and thus the rotor core supported by the multi-layer error easily affects the magnetism of the motor, thereby reducing the electromagnetic magnetism and affecting the service life.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for manufacturing a rotor core, which has the advantages of improving the magnetic performance of a motor and the like and solves the problem of lamination accumulation error caused by uneven thickness of a punching material.
(II) technical scheme
In order to achieve the purpose of improving the magnetic performance of the motor, the invention provides the following technical scheme: the method comprises the following steps: 1) punching; 2) winding; 3) pressing;
in the step 1), the method specifically comprises the following steps: checking the working dies before punching the rotor iron core, checking whether the number of the working dies corresponds to the model of the processed rotor iron core, checking the upper die and the lower die, finally checking the measuring tool, checking the accuracy of the measuring tool, and detecting whether the measuring tool has errors;
the upper die and the lower die are combined, so that the joint of the upper die and the lower die is butted accurately, an unprocessed iron chip is conveyed into the die through the conveying table, the iron chip is attached to the lower die, and after the iron chip is moved to a corresponding die groove, the punching machine is utilized to drive the upper die to punch the iron chip, so that the iron chip is processed into a model corresponding to the die.
And 2), sending the processed iron chip into a shaping device, enabling the iron chip to be sheathed on a mold core rod in a spiral shape, setting a capping mold locking process punching sheet for capping on the iron core sheet at the top when the thickness of the iron chip reaches a corresponding index, sheathing a mold pressing plate on the mold core rod and pressing the mold locking process punching sheet at the top end, pressing the mold pressing plate, and enabling the multilayer iron chip to be shaped through punching.
In the step 3), welding the processed iron core according to the drawing requirements, spot-welding 12M 30 bolts according to the drawing requirements, slightly driving an inclined key close to the iron core into a key groove, then driving the other half of the inclined key, installing an M3O hanging ring, integrally hanging the hanging ring into a furnace, integrally heating the iron core, discharging the iron core after the time is up, driving the inclined key in place in a thermal state, then performing spot welding according to the drawing, and cleaning by using a high-pressure fan after the completion;
appearance inspection, inspection of the surface of the iron core, no protrusion, fragment and fragment phenomena, no collision damage of a rotating shaft and other accessories, no exceeding of a welding line standard, groove type inspection, groove-by-groove rod-by-groove inspection, short circuit test between groove type fragments and iron core tightness inspection.
Preferably, the second half of the keys are angled until about two-thirds of the size stops, and the slinger is lubricated.
Preferably, before the iron core is processed, the appearance and the qualification of the rotating shaft are checked, the rotating shaft is cleaned, the rotating shaft sleeve and the shaft sleeve are sleeved, the rotor iron core with the mold is heated and insulated in a furnace, and then an infrared thermometer is used for measuring the temperature of the upper, middle and lower three points of the iron core to be not lower than a set temperature.
Preferably, if the temperature is lower than the set temperature, the steps of the third claim are repeated until the requirements are met, finally the rotor iron core is hung on the oil press, the rotating shaft is quickly sleeved into the support, the pressing barrel is carefully placed at the position of the shaft shoulder, and the oil press is started to maintain the pressure.
Preferably, after the iron core is cooled, the iron core is demoulded, when the iron core is cooled to below 50 ℃, the iron core is hung on an oil press, the nut of the laminated die is loosened under the conditions of pressurization and pressure maintaining, then the pressure is relieved, the iron core is withdrawn from the oil press, the laminated die is hung out, the die is unloaded, and the iron core is hung out at a special station.
Preferably, when the iron core is punched, each iron core piece is rotated by a specified angle (generally a large angle) and then laminated and riveted, the rotation angle between the iron core pieces generally has a large-angle rotation form of 45 degrees, 60 degrees, 72 degrees, 90 degrees, 120 degrees, 180 degrees and the like, and the laminated riveting method can compensate the laminated accumulation error caused by uneven thickness of punched materials and improve the magnetic performance of the motor.
Preferably, in the punching process, after the punch presses once, in the blanking step of the progressive die, the revolving device consisting of the blanking female die, the tightening ring and the revolving sleeve rotates for a specified angle, and the specified angle of each rotation needs to be accurate.
Preferably, the core pieces are laminated and riveted to the core after being punched out, and then the core in the rotating device is rotated by a predetermined angle.
Preferably, slewer includes the coiling machine, the top surface fixedly connected with feeder of coiling machine, and the feed port has been seted up to the top surface of feeder, and the inside fixedly connected with baffle of feed port, the top surface of coiling machine are seted up flutedly, and the inside of coiling machine rotates and is connected with the dwang, and the upper end of dwang extends out from the inside of recess, the top surface fixedly connected with fixed station of dwang, the top surface fixedly connected with wrapping post of fixed station.
(III) advantageous effects
Compared with the prior art, the invention provides a method for manufacturing a rotor core, which has the following beneficial effects:
1. according to the manufacturing method of the rotor iron core, when the iron core is punched, each iron core piece rotates a specified angle (generally a large angle) and then is laminated and riveted, the rotating angles between the iron core pieces generally have large-angle rotation forms such as 45 degrees, 60 degrees, 72 degrees, 90 degrees, 120 degrees and 180 degrees, and the laminating and riveting method can compensate lamination accumulation errors caused by uneven thickness of punched materials and improve the magnetic performance of a motor.
2. This rotor core manufacturing approach, whether quantity through checking the worker mould is corresponding with the model of rotor core of processing, avoids the maloperation, later inspects mould and bed die, whether there is remaining piece in the inspection mould inside, whether the inspection mould has the damage, can guarantee like this from the mould that the work piece size of producing is accurate, and then has promoted the quality that rotor core made.
3. According to the rotor core manufacturing method, the measuring tool is checked, the accuracy of the measuring tool is checked, whether the measuring tool has errors or not is detected, and therefore when a workpiece is measured, the errors can be reduced, the processing accuracy of the workpiece is improved, and the accuracy of the working procedure is improved.
4. This rotor core manufacturing approach puts in place through will being close to iron core department feather key gently, puts in half feather key, and until about two-thirds size stops, lubricating oil is paintd to rings, and installation M3O rings can promote the holistic intensity of iron core like this to promote the durability that promotes the iron core.
5. According to the manufacturing method of the rotor iron core, after the iron core is cooled, the iron core is demoulded, when the iron core is cooled to be below 50 ℃, the iron core is hung on an oil press, the nut of the laminated die is loosened under the conditions of pressurization and pressure maintaining, then pressure is relieved, the iron core is withdrawn from the oil press, the laminated die is hung out, the die is unloaded, and the iron core is hung out of a special station, so that the iron core can be placed to be adhered to the die, and the demould efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a winding machine according to a method for manufacturing a rotor core of the present invention;
in the figure: 1 coiling machine, 2 feeders, 3 feed ports, 4 baffles, 5 recesses, 6 dwang, 7 fixed stations, 8 winding rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
s1, the working die is required to be checked before the rotor core is manufactured, whether the number of the working die is corresponding to the model of the processed rotor core is checked, misoperation is avoided, then the upper die and the lower die are checked, whether residual fragments exist in the die is checked, whether the die is damaged is checked, the size of a workpiece produced from the die is accurate, the manufacturing quality of the rotor core is improved, the measuring tool is checked at last, the accuracy of the measuring tool is checked, whether errors exist in the measuring tool is detected, and therefore when the workpiece is measured, the accuracy of the workpiece processing can be improved through reducing the errors, and the accuracy of the working procedure is improved.
S2, combining the upper die with the lower die, enabling the joint of the upper die and the lower die to be in butt joint accurately, sending an unprocessed iron chip into the die through the conveying table, enabling the iron chip to be attached to the lower die, and after the iron chip is moved to a corresponding die groove position, utilizing the punching machine to drive the upper die to punch the iron chip, so that the iron chip is processed into a model corresponding to the die.
S3, feeding the processed iron core sheets into a shaping device, enabling the iron core sheets to be sleeved on a mold core rod in a spiral shape, when the thickness of the iron core sheets reaches a corresponding index, arranging a capping mold locking process punching sheet for capping on the iron core sheet at the top, sleeving a mold pressing plate on the mold core rod, pressing the mold pressing plate on the mold locking process punching sheet at the top end, pressing the mold pressing plate, and enabling the multi-layer iron core sheets to be shaped through punching.
S4, welding the processed iron core according to the drawing requirements, spot-welding 12M 30 bolts according to the drawing requirements, slightly driving the inclined key close to the iron core into the key groove in place, driving the other half of the inclined key into the key groove until the size of about two thirds of the inclined key stops, coating lubricating oil on the lifting ring, installing the M3O lifting ring, integrally lifting the lifting ring into the furnace, integrally heating the iron core, discharging the iron core after the time is reached, driving the inclined key in place in a hot state, then performing spot-welding according to the drawing, and cleaning by using a high-pressure fan after the completion.
S5, appearance inspection, inspection of the surface of the iron core without projections, fragments and fragments, no bump damage of a rotating shaft and other accessories, no exceeding of a standard of a welding line, groove type inspection, groove-by-groove inspection by using a through groove rod, short circuit test between groove type fragments and iron core tightness inspection.
Example two:
on the basis of embodiment one, S1, need check the mould before carrying out rotor core and making, whether the quantity of checking the mould is corresponding with the model of rotor core that adds, avoid the maloperation, later check mould and bed die, whether there is remaining piece in the inspection mould inside, whether the inspection mould has the damage, the work piece size that can guarantee to produce from the mould like this is accurate, and then promoted the quality that rotor core made, check the measuring tool at last, the precision of inspection measuring tool, whether there is the error in the detection measuring tool, when measuring the work piece like this, can reduce the error and promote the precision of work piece processing, thereby the degree of accuracy of this process has been promoted.
S2, combining the upper die with the lower die, enabling the joint of the upper die and the lower die to be in butt joint accurately, sending an unprocessed iron chip into the die through the conveying table, enabling the iron chip to be attached to the lower die, and after the iron chip is moved to a corresponding die groove position, utilizing the punching machine to drive the upper die to punch the iron chip, so that the iron chip is processed into a model corresponding to the die.
S3, feeding the processed iron core sheets into a shaping device, enabling the iron core sheets to be sleeved on a mold core rod in a spiral shape, when the thickness of the iron core sheets reaches a corresponding index, arranging a capping mold locking process punching sheet for capping on the iron core sheet at the top, sleeving a mold pressing plate on the mold core rod, pressing the mold pressing plate on the mold locking process punching sheet at the top end, pressing the mold pressing plate, and enabling the multi-layer iron core sheets to be shaped through punching.
S4, welding the processed iron core according to the drawing requirements, spot-welding 12M 30 bolts according to the drawing requirements, slightly driving the inclined key close to the iron core into the key groove, driving the other half of the inclined key in place until the size of about two thirds of the inclined key stops, coating lubricating oil on the lifting ring, and installing the M3O lifting ring.
S5, before the iron core is processed, checking the appearance and the qualification of the rotating shaft, cleaning the rotating shaft, sleeving a shaft sleeve on the rotating shaft, heating the rotor iron core with a mold in a furnace, keeping the temperature, measuring the temperature of the upper, middle and lower three points of the rotor iron core to be not lower than a set temperature by using an infrared thermometer, repeating S5 if the temperature is lower than the set temperature until the requirement of S5 is met, finally hanging the rotor iron core on an oil press, quickly sleeving the rotating shaft into a support, carefully placing a pressing barrel at the position of a shaft shoulder, and starting the oil press to maintain the pressure.
Example three:
on the basis of embodiment one, S1, need check the mould before carrying out rotor core and making, whether the quantity of checking the mould is corresponding with the model of rotor core that adds, avoid the maloperation, later check mould and bed die, whether there is remaining piece in the inspection mould inside, whether the inspection mould has the damage, the work piece size that can guarantee to produce from the mould like this is accurate, and then promoted the quality that rotor core made, check the measuring tool at last, the precision of inspection measuring tool, whether there is the error in the detection measuring tool, when measuring the work piece like this, can reduce the error and promote the precision of work piece processing, thereby the degree of accuracy of this process has been promoted.
S2, combining the upper die with the lower die, enabling the joint of the upper die and the lower die to be in butt joint accurately, sending an unprocessed iron chip into the die through the conveying table, enabling the iron chip to be attached to the lower die, and after the iron chip is moved to a corresponding die groove position, utilizing the punching machine to drive the upper die to punch the iron chip, so that the iron chip is processed into a model corresponding to the die.
S3, feeding the processed iron core sheets into a shaping device, enabling the iron core sheets to be sleeved on a mold core rod in a spiral shape, when the thickness of the iron core sheets reaches a corresponding index, arranging a capping mold locking process punching sheet for capping on the iron core sheet at the top, sleeving a mold pressing plate on the mold core rod, pressing the mold pressing plate on the mold locking process punching sheet at the top end, pressing the mold pressing plate, and enabling the multi-layer iron core sheets to be shaped through punching.
S4, welding the processed iron core according to the requirements of the drawing, spot-welding 12M 30 bolts according to the requirements of the drawing, slightly driving the inclined key close to the iron core into the key groove to be in place, driving the other half of the inclined key until the size is about two thirds, smearing lubricating oil on the lifting ring, installing the M3O lifting ring, integrally lifting the lifting ring into the furnace, integrally heating the iron core, discharging the iron core after the time is up, driving the inclined key in place in a hot state, then performing spot welding according to the drawing, and cleaning by using a high-pressure fan after the completion.
And S5, after the iron core is cooled, demolding the iron core, hanging the iron core on an oil press when the iron core is cooled to below 50 ℃, loosening the nut of the laminated die under the conditions of pressurization and pressure maintaining, then releasing the pressure, withdrawing the oil press, hanging the laminated die out, unloading the die, and hanging the iron core at a special station.
Example four:
on the basis of the first embodiment, regarding the step S3 of the first embodiment,
the method is characterized in that after punching once by a punch (namely after the iron core sheet is punched into a blanking female die), a rotating device consisting of the blanking female die, a tightening ring and a rotating sleeve rotates for a specified angle in the blanking process of a progressive die, and the specified angle of each rotation needs to be accurate. That is, after the core plate is punched out, the core plate is laminated and riveted on the core, and then the core in the turning device is turned by a predetermined angle.
Example five:
the utility model provides a slewer in rotor core manufacturing approach includes coiling machine 1, and coiling machine 1's top surface fixedly connected with feeder 2, and coiling machine 1 and feeder 2 are current structure, do not do too much here and describe, and feed port 3 has been seted up to the top surface of feeder 2, and the inside fixedly connected with baffle 4 of feed port 3 when using the device, sends into the inside of feeder 2 through feed port 3 with the iron chip that the processing is good.
Further, recess 5 has been seted up to the top surface of coiling machine 1, and the inside rotation of coiling machine 1 is connected with dwang 6, and dwang 6 drives through the inside motor from taking of coiling machine 1, and the upper end of dwang 6 extends out from the inside of recess 5, and the top surface fixedly connected with fixed station 7 of dwang 6, the top surface fixedly connected with wrapping post 8 of fixed station 7.
Further, when using the device, on feeder 2 carried the iron core piece to fixed station 7, with the iron core piece around 8 fixed windings a week of wrapping post, then rotated through dwang 6 and drive fixed station 7 and rotate for iron core piece winding shaping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A method of manufacturing a rotor core, the method comprising the steps of: 1) punching; 2) winding; 3) pressing;
in the step 1), the method specifically comprises the following steps: checking the working dies before punching the rotor iron core, checking whether the number of the working dies corresponds to the model of the processed rotor iron core, checking the upper die and the lower die, finally checking the measuring tool, checking the accuracy of the measuring tool, and detecting whether the measuring tool has errors;
combining an upper die and a lower die, enabling the joint of the upper die and the lower die to be accurately butted, sending an unprocessed iron chip into the die through a conveying table, enabling the iron chip to be attached to the lower die, and after the iron chip moves to a corresponding die groove position, driving the upper die to punch the iron chip by using a punching machine, so that the iron chip is processed into a model corresponding to the die;
in the step 2), the processed iron chip is sent into a shaping device, so that the iron chip is sleeved on a mold core rod in a spiral shape, when the thickness of the iron chip reaches a corresponding index, a capping mode locking process punching sheet for capping is arranged on the uppermost iron chip, a mold pressing plate is sleeved on the mold core rod and pressed on the mode locking process punching sheet at the top end, the mold pressing plate is pressed and processed, and the multilayer iron chip is formed through punching;
in the step 3), welding the processed iron core according to the drawing requirements, spot-welding 12M 30 bolts according to the drawing requirements, slightly driving an inclined key close to the iron core into a key groove, then driving the other half of the inclined key, installing an M3O hanging ring, integrally hanging the hanging ring into a furnace, integrally heating the iron core, discharging the iron core after the time is up, driving the inclined key in place in a thermal state, then performing spot welding according to the drawing, and cleaning by using a high-pressure fan after the completion;
appearance inspection, inspection of the surface of the iron core, no protrusion, fragment and fragment phenomena, no collision damage of a rotating shaft and other accessories, no exceeding of a welding line standard, groove type inspection, groove-by-groove rod-by-groove inspection, short circuit test between groove type fragments and iron core tightness inspection.
2. A method of manufacturing a rotor core according to claim 1, wherein: and the other half of the inclined keys stop until about two thirds of the size of the inclined keys, and the hanging ring is coated with lubricating oil.
3. A method of manufacturing a rotor core according to claim 1, wherein: before the iron core is processed, the appearance and the qualification of the rotating shaft are checked, the rotating shaft is cleaned, the rotating shaft sleeve and the shaft sleeve are sleeved, the rotor iron core with a mold is heated and insulated in a furnace, and then the temperature of the upper, middle and lower three points of the iron core is measured by an infrared thermometer to be not lower than a set temperature.
4. A method of manufacturing a rotor core according to claim 3, wherein: and if the temperature is lower than the set temperature, repeating the steps of the third claim until the requirements are met, finally, hanging the rotor iron core on the oil press, quickly sleeving the rotating shaft into the support, carefully placing the pressing barrel at the position of the shaft shoulder, and starting the oil press for pressure maintaining.
5. A method of manufacturing a rotor core according to claim 1, wherein: and after the iron core is cooled, demolding the iron core, hanging the iron core on an oil press when the iron core is cooled to below 50 ℃, loosening the nut of the laminated die under the conditions of pressurization and pressure maintaining, then releasing pressure, withdrawing from the oil press, hanging the laminated die, unloading the die, and hanging the iron core at a special station.
6. A method of manufacturing a rotor core according to claim 1, wherein: when the iron core is punched, each iron core piece rotates a specified angle (generally a large angle) and is then laminated and riveted, the rotating angles between the iron core pieces generally have large-angle rotation forms of 45 degrees, 60 degrees, 72 degrees, 90 degrees, 120 degrees, 180 degrees and the like, and the laminating and riveting method can compensate the laminating accumulation error caused by uneven thickness of punched materials and improve the magnetic performance of the motor.
7. The method of manufacturing a rotor core according to claim 6, wherein: the punching process is that after the punching machine punches once, a rotating device consisting of a blanking female die, a tightening ring and a rotating sleeve rotates for a specified angle in the blanking step of the progressive die, and the specified angle of each rotation needs to be accurate.
8. A method of manufacturing a rotor core according to claim 7, wherein: after the iron core sheet is punched down, the iron core sheet is overlapped and riveted on the iron core, and then the iron core in the rotating device rotates for a specified angle.
9. A method of manufacturing a rotor core according to claim 8, wherein: the rotary device comprises a winding machine (1), a top surface fixedly connected with feeding machine (2) of the winding machine (1), a feeding hole (3) is formed in the top surface of the feeding machine (2), a partition plate (4) is fixedly connected with the inside of the feeding hole (3), a groove (5) is formed in the top surface of the winding machine (1), a rotating rod (6) is connected to the inside of the winding machine (1) in a rotating mode, the upper end of the rotating rod (6) extends out of the inside of the groove (5), a top surface fixedly connected with fixing table (7) of the rotating rod (6), and a winding post (8) is fixedly connected to the top surface of the fixing table (7).
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| CN202210079373.7A CN114400846B (en) | 2022-01-24 | 2022-01-24 | Rotor core manufacturing method |
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| CN202210079373.7A CN114400846B (en) | 2022-01-24 | 2022-01-24 | Rotor core manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318411A (en) * | 2023-11-22 | 2023-12-29 | 南通通达矽钢冲压科技有限公司 | Processing method of self-adhesive iron core made of self-adhesive material |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682219A (en) * | 2007-05-09 | 2010-03-24 | 株式会社三井高科技 | Laminated iron core, and its manufacturing method |
| CN201563034U (en) * | 2009-12-11 | 2010-08-25 | 南车株洲电力机车有限公司 | Fan-shaped skewed slot iron core laminating mold |
| CN102130546A (en) * | 2006-10-13 | 2011-07-20 | 株式会社三井高科技 | Rotor laminated-core and method of manufacturing it |
| CN103219836A (en) * | 2012-01-19 | 2013-07-24 | 株式会社三井高科技 | Manufacturing method of laminated iron core |
| CN103326519A (en) * | 2013-06-05 | 2013-09-25 | 腾普(常州)精机有限公司 | Technology for manufacturing alternating current generator iron core coiled spirally |
| CN104439831A (en) * | 2014-11-14 | 2015-03-25 | 江苏通达动力科技股份有限公司 | Welding jig for motor stator iron core and welding method thereof |
| CN106208563A (en) * | 2016-08-29 | 2016-12-07 | 杭州科德磁业有限公司 | A kind of manufacture method of big precision iron core with a high standard |
| CN107707046A (en) * | 2017-11-22 | 2018-02-16 | 杭州三相科技有限公司 | High-speed electric expreess locomotive copper casting rotor iron core and its processing method |
| CN109787437A (en) * | 2018-12-24 | 2019-05-21 | 三门峡宏鑫有色金属有限公司 | A kind of high speed rotor of motor iron core manufacturing process |
| CN214380349U (en) * | 2020-12-14 | 2021-10-08 | 舜驱动力科技(南通)有限公司 | Winding type rotor iron core |
-
2022
- 2022-01-24 CN CN202210079373.7A patent/CN114400846B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130546A (en) * | 2006-10-13 | 2011-07-20 | 株式会社三井高科技 | Rotor laminated-core and method of manufacturing it |
| CN101682219A (en) * | 2007-05-09 | 2010-03-24 | 株式会社三井高科技 | Laminated iron core, and its manufacturing method |
| CN201563034U (en) * | 2009-12-11 | 2010-08-25 | 南车株洲电力机车有限公司 | Fan-shaped skewed slot iron core laminating mold |
| CN103219836A (en) * | 2012-01-19 | 2013-07-24 | 株式会社三井高科技 | Manufacturing method of laminated iron core |
| CN103326519A (en) * | 2013-06-05 | 2013-09-25 | 腾普(常州)精机有限公司 | Technology for manufacturing alternating current generator iron core coiled spirally |
| CN104439831A (en) * | 2014-11-14 | 2015-03-25 | 江苏通达动力科技股份有限公司 | Welding jig for motor stator iron core and welding method thereof |
| CN106208563A (en) * | 2016-08-29 | 2016-12-07 | 杭州科德磁业有限公司 | A kind of manufacture method of big precision iron core with a high standard |
| CN107707046A (en) * | 2017-11-22 | 2018-02-16 | 杭州三相科技有限公司 | High-speed electric expreess locomotive copper casting rotor iron core and its processing method |
| CN109787437A (en) * | 2018-12-24 | 2019-05-21 | 三门峡宏鑫有色金属有限公司 | A kind of high speed rotor of motor iron core manufacturing process |
| CN214380349U (en) * | 2020-12-14 | 2021-10-08 | 舜驱动力科技(南通)有限公司 | Winding type rotor iron core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318411A (en) * | 2023-11-22 | 2023-12-29 | 南通通达矽钢冲压科技有限公司 | Processing method of self-adhesive iron core made of self-adhesive material |
| CN117318411B (en) * | 2023-11-22 | 2024-02-23 | 南通通达矽钢冲压科技有限公司 | Processing method of self-adhesive iron core made of self-adhesive material |
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|---|---|
| CN114400846B (en) | 2023-11-24 |
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