CN108718142B - Automatic stator and rotor iron core stacking device and production method - Google Patents
Automatic stator and rotor iron core stacking device and production method Download PDFInfo
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- CN108718142B CN108718142B CN201810775727.5A CN201810775727A CN108718142B CN 108718142 B CN108718142 B CN 108718142B CN 201810775727 A CN201810775727 A CN 201810775727A CN 108718142 B CN108718142 B CN 108718142B
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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
Abstract
The invention provides an automatic stator and rotor core stacking device and a production method, and relates to the technical field of motor stator and rotor stamping equipment, wherein the automatic stator and rotor core stacking device comprises a blanking male die, a blanking female die and a glue spraying nozzle connected with a glue conveying pipe; the blanking male die is provided with a plurality of through holes, the glue spraying nozzles are inserted and fixed in the through holes respectively, the glue spraying nozzles are opposite to the stator punching sheets/rotor punching sheets on the blanking female die, the blanking male die is arranged before the stator punching sheets/rotor punching sheets on the blanking female die are pressed, glue can be sprayed on the upper surfaces of the stator punching sheets/rotor punching sheets by the glue spraying nozzles, and the stator punching sheets/rotor punching sheets can be fixedly bonded with adjacent stator punching sheets/rotor punching sheets through the pressing of the blanking male die. The technical problems that the stator and rotor iron cores formed by riveting in the prior art are low in lamination coefficient, small in lamination riveting force and easy to damage an inter-sheet insulating layer to influence the performance of the motor are solved.
Description
Technical Field
The invention relates to the technical field of motor stator and rotor stamping equipment, in particular to an automatic stator and rotor core stacking device and a production method.
Background
The stator and rotor of motor are key parts of motor, and are made up by using silicon steel sheet with good magnetic conductivity and punching and blanking, then stacking them together. The lamination of stator and rotor punching sheets is also a key process in stator and rotor manufacturing, and the manufacturing process mostly adopts: the punching sheet of the common punching machine, manual weighing, sheet arranging, stator rivet riveting or buckle sheet buckling, rotor rivet riveting or shaft pressing have low working efficiency and low quality. As shown in fig. 1, after the high speed punching machine appeared, the clinch process was mostly used. The full-automatic efficient production process from material input to automatic riveting to stator and rotor finished product output is realized in a high-speed stamping die. The principle is as follows: a plurality of (usually 6-12) small convex riveting points which are uniformly punched on the stator sheet and the rotor sheet and have the shapes of round, V-shaped or trapezoid are pressed into the concave riveting pit of the previous sheet in an interference manner under the action of pressure, and the convex riveting point of the next punching sheet is pressed into the concave riveting pit of the current sheet in the same manner, so that the stator sheet and the rotor sheet are overlapped layer by layer to form a whole. In order to ensure that the sheets are not scattered after being stacked, a plurality of welding seams are required to be added on the excircle of the stator.
① breaks the flatness of the motor sheet, the gap between the sheets after riveting is large and reaches 7-8 mu m, the compactness of the lamination is influenced, the lamination coefficient is only 0.97, ② riveting force is small and is only 12-18 kg, the lamination is easy to scatter, the value fluctuation is large along with the abrasion of the cutting edge of the die, ③ breaks the insulating layer between the sheets, the eddy current is increased, and the motor performance is influenced.
Disclosure of Invention
The invention aims to provide an automatic stator and rotor core stacking device and a production method, which are used for solving the technical problems that in the prior art, the stator and rotor cores formed by riveting are low in stacking coefficient and low in stacking riveting force, and the performance of a motor is influenced by the fact that an inter-sheet insulating layer is easy to damage.
The invention provides an automatic stacking device for stator and rotor cores, which comprises a blanking male die, a blanking female die and a glue spraying nozzle connected with a glue conveying pipe;
the blanking male die is provided with a plurality of through holes, the glue spraying nozzles are inserted and fixed in the through holes respectively, the glue spraying nozzles are opposite to stator punching sheets/rotor punching sheets on the blanking female die, the blanking male die is positioned in front of the stator punching sheets/the rotor punching sheets of the blanking female die in a pressing mode, the glue spraying nozzles can spray glue on the upper surfaces of the stator punching sheets/the rotor punching sheets, and the stator punching sheets/the rotor punching sheets can be fixedly bonded with the adjacent stator punching sheets/the rotor punching sheets through the pressing of the blanking male die.
Further, the method comprises the following steps of; the number of the glue spraying nozzles is equal to that of the through holes, and the number of the through holes is 6-12.
Further, the method comprises the following steps of; the number of the through holes in the blanking convex die for pressing the rotor punching sheet is 8.
Further, the method comprises the following steps of; the glue spraying nozzle is just opposite to a position between a slotted hole and a shaft hole of the rotor punching sheet on the blanking female die, and the glue spraying nozzle is just opposite to a position at a yoke part of the stator punching sheet on the blanking female die.
Further, the method comprises the following steps of; the volume of the glue solution sprayed on the stator punching sheet/the rotor punching sheet by each glue spraying nozzle is 0.0005 ml.
Further, the method comprises the following steps of; and before the glue spraying nozzle sprays glue solution, the distance between the blanking male die and the stator punching sheet/the rotor punching sheet is 3-5 mm.
Further, the method comprises the following steps of; the blanking female die further comprises a tightening sleeve for supporting the stator punching sheet/the rotor punching sheet.
Further, the method comprises the following steps of; the blanking female die comprises a hydraulic cylinder arranged at the lower part of a base plate of the punch press, and a tray used for supporting the stator punching sheet/the rotor punching sheet is arranged and fixed on a piston of the hydraulic cylinder upwards.
The invention also provides a method for producing the stator and rotor iron cores, which is designed by utilizing the automatic stator and rotor iron core stacking device and sequentially comprises the following steps:
s1: stamping the coiled material by using a stamping device to form a rotor stamping sheet and a stator stamping sheet;
s2: after the rotor punching sheet and the stator punching sheet are respectively transferred to the corresponding blanking female dies, the corresponding blanking male dies descend to the positions 3-5 mm away from the upper surfaces of the rotor punching sheet and the stator punching sheet, glue solution is sprayed on the upper surfaces of the rotor punching sheet and the stator punching sheet by a glue spraying nozzle, then one blanking male die continues to descend so as to press the rotor punching sheet which is just glued on the upper surface of the blanking female die on the rotor punching sheet which is glued on the inner surface of the blanking female die, and the other blanking male die continues to descend so as to press the stator punching sheet which is just glued on the inner surface of the blanking female die on the stator punching sheet which;
s3: and repeating the steps S1 and S2, and when the number of the laminated rotor sheets and the number of the laminated stator sheets reach the preset number, pushing out the finished products of the rotor core and the stator core through the air cylinder, and conveying the finished products to the designated position through the conveying belt.
Further, the method comprises the following steps of; the coiled materials are firstly subjected to stamping forming and mutual bonding and fixing of the rotor punching sheets in the conveying process, and then are subjected to stamping forming and mutual bonding and fixing of the stator punching sheets.
Compared with the prior art, the automatic stator and rotor core stacking device and the production method provided by the invention have the beneficial effects that:
the automatic stacking device for the stator and rotor cores comprises a blanking male die, a blanking female die and a glue spraying nozzle connected with a glue conveying pipe, wherein two groups of blanking male dies and blanking female dies with different sizes are designed, so that the stacking work of rotor punching sheets and stator punching sheets can be finished respectively.
Specifically, taking a stacked rotor core as an example, firstly, a blanking female die is transferred to a first rotor punching sheet, then a blanking male die descends to a position having a certain distance with the rotor punching sheet, a glue spraying nozzle communicated with a glue conveying pipe can accurately spray glue on the specified position of the upper surface of the rotor punching sheet right below under the control of a control system, after the spraying is finished, the blanking male die continues to descend and presses the rotor punching sheet in the blanking female die, and finally the blanking male die is reset to finish the pressing operation of the rotor punching sheet; similarly, after the next rotor punching sheet is transferred to the blanking female die, glue is sprayed and pressed in the blanking female die, and the rotor punching sheet is abutted against the upper surface of the first rotor punching sheet and is bonded and fixed by glue solution when pressed in the blanking female die; and by analogy, the plurality of rotor punching sheets are bonded together through glue solution, and finally the rotor core with the specified number of the rotor punching sheets is completed.
Riveting is replaced by glue solution bonding, so that the process of punching and riveting points is omitted, the punching sheet is smooth, no warpage is generated after lamination, and the qualification rate of automatic winding is greatly improved; meanwhile, the lamination gap between the punching sheets is as small as 1.2-1.5 mu m, the stacking coefficient is improved from 0.95 to 0.99, the density of the stator and rotor iron core is improved, and the vibration noise between the sheets is effectively reduced; moreover, the bonding force between the punching sheets is large and constant, can reach 40kg, is more than twice of the original bonding force, is not easy to scatter, and can realize the automatic production of a machine; and finally, the punching sheet has no process damage, and the inter-sheet insulation is improved, so that the motor performance is improved.
According to the production method of the stator and rotor iron cores, the automatic stator and rotor iron core stacking device is adopted, when the rotor punching sheet and the stator punching sheet are punched and formed in the step S1, punching and riveting points are not needed, the punching process is further reduced, and the manufacturing requirement of a punching die is also reduced; in step S2, the glue spraying operation is performed at the positions 3-5 mm above the upper surfaces of the blanking male die, the rotor punching sheet and the stator punching sheet, so as to avoid splashing of glue solution, ensure the bonding stability of the punching sheet pieces and reduce the rejection rate. Finally, the rotor core and the stator core produced in step S3 have the same technical advantages as those of the above-described automatic stator-rotor core stacking apparatus, and are not described herein again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a stator core and a rotor core after being automatically stacked by riveting;
fig. 2 is a schematic structural diagram of an automatic stacking device for stator and rotor cores according to an embodiment of the present invention;
fig. 3 is a stamping and stacking flow chart in the method for producing a stator core and a rotor core according to the embodiment of the invention.
Icon: 1-blanking male die; 2-blanking female die; 3-glue spraying nozzle; 4-rotor punching; 5-stator punching; 6-coiled material; 11-a through hole;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2, an embodiment of the present invention provides an automatic stacking device for stator and rotor cores, which includes a blanking male die 1, a blanking female die 2, and a glue nozzle 3 connected with a glue delivery pipe; the blanking male die 1 is provided with a plurality of through holes 11, the glue spraying nozzles 3 are respectively inserted and fixed in the through holes 11, the glue spraying nozzles 3 are opposite to stator punching sheets 5/rotor punching sheets 4 positioned on the blanking female die 2, the blanking male die 1 is positioned in front of the stator punching sheets 5/rotor punching sheets 4 positioned on the blanking female die 2 in a pressing mode, the glue spraying nozzles 3 can spray glue on the upper surfaces of the stator punching sheets 5/rotor punching sheets 4, and the stator punching sheets 5/rotor punching sheets 4 can be fixedly bonded with the adjacent stator punching sheets 5/rotor punching sheets 4 through the pressing of the blanking male die 1.
The automatic stacking device for the stator and rotor cores comprises a blanking male die 1, a blanking female die 2 and a glue spraying nozzle 3 connected with a glue conveying pipe, wherein two groups of blanking male dies 1 and blanking female dies 2 with different sizes are designed, so that the stacking work of rotor punching sheets 4 and stator punching sheets 5 can be finished respectively.
Specifically, as shown in fig. 2, taking a stacked rotor core as an example, firstly, a blanking female die 2 is transferred to a first rotor sheet 4, then a blanking male die 1 descends to a position having a certain distance with the rotor sheet 4, a glue spraying nozzle 3 communicated with a glue conveying pipe can accurately spray glue on a specified position on the upper surface of the rotor sheet 4 right below under the control of a control system, after the spraying is finished, the blanking male die 1 continues to descend and presses the rotor sheet 4 in the blanking female die 2, and finally the blanking male die 1 resets, so that the pressing operation of the rotor sheet 4 is finished once; similarly, after the next rotor punching sheet 4 is transferred to the blanking female die 2, glue is sprayed and pressed in the blanking female die 2, and when the rotor punching sheet 4 is pressed in the blanking female die 2, the rotor punching sheet 4 is abutted to the upper surface of the first rotor punching sheet 4 and is bonded and fixed by the glue; by analogy, the plurality of rotor sheets 4 are bonded together through the glue solution, and finally the rotor core with the specified number of rotor sheets 4 is completed.
Riveting is replaced by glue solution bonding, so that the process of punching and riveting points is omitted, the punching sheet is smooth, no warpage is generated after lamination, and the qualification rate of automatic winding is greatly improved; meanwhile, the lamination gap between the punching sheets is as small as 1.2-1.5 mu m, the stacking coefficient is improved from 0.95 to 0.99, the density of the stator and rotor iron core is improved, and the vibration noise between the sheets is effectively reduced; moreover, the bonding force between the punching sheets is large and constant, can reach 40kg, is more than twice of the original bonding force, is not easy to scatter, and can realize the automatic production of a machine; and finally, the punching sheet has no process damage, and the inter-sheet insulation is improved, so that the motor performance is improved.
It should be noted that the glue used in this embodiment is an environment-friendly glue with high strength, high temperature resistance and quick drying, such as epoxy resin glue.
Specifically, the present embodiment further provides a detailed description of the specific structure of the automatic stator-rotor core stacking device.
First, in this embodiment, the number of the glue nozzles 3 is equal to the number of the through holes 11, and the number of the through holes 11 is 6 to 12.
Specifically, a plurality of through holes 11 are uniformly arranged around the circumference, and according to the diameter and other parameters of the rotor punching sheet 4 and the stator punching sheet 5, the number of the through holes 11 can be flexibly controlled, i.e., the larger the diameter is, the more the number of the through holes 11 needs to be set.
Further, in this embodiment, the number of the through holes 11 on the blanking convex die 1 for pressing the rotor sheet 4 is 8.
By taking the rotor sheet 4 as an example, the adhesive solution at 8 positions is sprayed on the upper surface of the rotor sheet 4, so that the adhesion of the rotor sheet 4 can be well completed.
It is worth noting that the number of the through holes 11 on the blanking convex die 1 for pressing the stator punching sheet 5 does not need to be the same as the number of the through holes 11 on the blanking convex die 1 for pressing the rotor punching sheet 4, and the through holes can be flexibly arranged according to actual conditions.
In this embodiment, the glue spraying nozzle 3 is aligned to a position between a slot hole and a shaft hole of the rotor sheet 4 on the blanking female die 2, and the glue spraying nozzle 3 is aligned to a yoke portion of the stator sheet 5 on the blanking female die 2.
The two positions are also the positions of punching riveting points of the rotor punching sheet 4 and the stator punching sheet 5, and glue solution is sprayed at the two positions to replace the riveting points, so that the bonding stability of adjacent punching sheets can be ensured.
In this embodiment, in order to ensure that the adhesive bonding between the laminations is stable and no adhesive solution is extruded and overflows, when eight adhesive nozzles 3 are provided, the volume of the adhesive solution sprayed on the stator lamination 5/rotor lamination 4 by each adhesive nozzle 3 is 0.0005 ml.
Further, in order to ensure that the glue spraying nozzle 3 can accurately spray the glue solution at the position designated by the stator punching sheet 5 and the rotor punching sheet 4 and also avoid the glue solution from adhering to the blanking male die 1 during spraying, the distance between the blanking male die 1 and the stator punching sheet 5/the rotor punching sheet 4 is set to be 3-5 mm before the glue spraying nozzle 3 sprays the glue solution.
In this embodiment, the blanking female die 2 further includes a tightening sleeve for supporting the stator punching 5/the rotor punching 4.
The extrusion friction force generated by the punching piece outer aid and the tightening sleeve inner wall ensures that the punching piece can be stably kept at the initial position of the blanking female die 2 when being pressed downwards by the blanking male die 1.
Or, in this embodiment, the blanking female die 2 may include a hydraulic cylinder disposed at a lower portion of the pad of the punching machine, and a tray for supporting the stator punching sheet 5/the rotor punching sheet 4 is disposed and fixed on a piston of the hydraulic cylinder facing upward.
In the blanking process, the tray on the hydraulic cylinder is gradually moved downwards along with the continuous increase of the laminated sheets, when the laminated sheets reach the set number, the hydraulic cylinder drives the tray to rapidly fall to be as high as the backing plate of the punch press, the transverse cylinder below the die starts to work, the product is pushed out of the die, and then the transverse cylinder is reset to complete a working cycle.
As shown in fig. 3, an embodiment of the present invention further provides a method for producing a stator-rotor core, which is designed by using the above-mentioned automatic stator-rotor core stacking device, and sequentially includes the following steps:
s1: stamping the coiled material 6 by using a stamping device to form a rotor stamping 4 and a stator stamping 5;
s2: after the rotor punching 4 and the stator punching 5 are respectively transferred to the corresponding blanking female dies 2, the corresponding blanking male dies 1 descend to positions 3-5 mm away from the upper surfaces of the rotor punching 4 and the stator punching 5, the glue spraying nozzles 3 spray glue on the upper surfaces of the rotor punching 4 and the stator punching 5, then one blanking male die 1 continues to descend so as to press the rotor punching 4 which is just glued on the rotor punching 4 which is glued on the inner upper surface of the blanking female die 2, and the other blanking male die 1 continues to descend so as to press the stator punching 5 which is just glued on the inner upper surface of the blanking female die 2 which is glued on the stator punching 5;
s3: and repeating the steps S1 and S2, and when the number of the laminated rotor sheets 4 reaches the preset number, pushing the finished rotor core product out by the cylinder and conveying the finished rotor core product to a designated position by the conveying belt.
According to the method for producing the stator and rotor cores, the automatic stator and rotor core stacking device is adopted, when the rotor punching sheet 4 and the stator punching sheet 5 are formed by punching in the step S1, punching and riveting points are not needed, the punching process is further reduced, and the manufacturing requirement of a punching die is also reduced; in step S2, glue spraying operation is performed at 3-5 mm positions on the upper surfaces of the blanking male die 1, the rotor punching sheet 4 and the stator punching sheet 5, so that splashing of glue is avoided, bonding stability of punching sheets is ensured, and rejection rate is reduced. Finally, the rotor core and the stator core produced in step S3 have the same technical advantages as those of the above-described automatic stator-rotor core stacking apparatus, and are not described herein again.
Further, in the present embodiment, the coil 6 is firstly subjected to the punching forming of the rotor sheets 4 and the mutual adhesion fixing in the conveying process, and then, the used portion of the coil 6 is conveyed to the processing area of the stator sheets 5 to be subjected to the punching forming of the stator sheets 5 and the mutual adhesion fixing.
Meanwhile, in actual work, the punching forming and the bonding fixing of the rotor punching sheet 4 and the stator punching sheet 5 are simultaneously carried out in a high-speed punching die.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An automatic stacking device for stator and rotor cores is characterized by comprising a blanking male die, a blanking female die and a glue spraying nozzle connected with a glue conveying pipe;
the blanking male die is provided with a plurality of through holes, the glue spraying nozzles are inserted and fixed in the through holes respectively, the glue spraying nozzles are opposite to the stator punching sheets/rotor punching sheets positioned on the blanking female die, before the blanking male die presses the stator punching sheets/the rotor punching sheets positioned on the blanking female die, the glue spraying nozzles can spray glue liquid on the upper surfaces of the stator punching sheets/the rotor punching sheets, and the stator punching sheets/the rotor punching sheets can be fixedly bonded with the adjacent stator punching sheets/the adjacent rotor punching sheets through the pressing of the blanking male die;
the glue spraying nozzle is opposite to a position between a slotted hole and a shaft hole of the rotor punching sheet on the blanking female die, and the glue spraying nozzle is opposite to a yoke part of the stator punching sheet on the blanking female die;
and before the glue spraying nozzle sprays glue solution, the distance between the blanking male die and the stator punching sheet/the rotor punching sheet is 3-5 mm.
2. The automatic stator-rotor core stacking device according to claim 1, wherein the number of the glue nozzles is equal to the number of the through holes, and the number of the through holes is 6-12.
3. The automatic stacking device for the stator and rotor cores according to claim 2, wherein the number of the through holes in the blanking male die for pressing the rotor punching sheets is 8.
4. The automatic stator-rotor core stacking device according to claim 1 or 3, wherein the volume of glue solution sprayed on the stator lamination/the rotor lamination by each glue spraying nozzle is 0.0005 ml.
5. The automatic stator-rotor core stacking device according to claim 1, wherein the blanking female die further comprises a tightening sleeve supporting the stator lamination/the rotor lamination.
6. The automatic stator-rotor core stacking device according to claim 1, wherein the blanking female die comprises a hydraulic cylinder arranged at the lower part of a base plate of the punching machine, and a tray for supporting the stator punching sheet/the rotor punching sheet is arranged and fixed on a piston of the hydraulic cylinder in an upward direction.
7. A method for producing a stator-rotor core is characterized in that the automatic stator-rotor core stacking device according to any one of claims 1 to 6 is used for design, and sequentially comprises the following steps:
s1: stamping the coiled material by using a stamping device to form a rotor stamping sheet and a stator stamping sheet;
s2: after the rotor punching sheet and the stator punching sheet are respectively transferred to the corresponding blanking female dies, the corresponding blanking male dies descend to the positions 3-5 mm away from the upper surfaces of the rotor punching sheet and the stator punching sheet, glue solution is sprayed on the upper surfaces of the rotor punching sheet and the stator punching sheet by a glue spraying nozzle, then one blanking male die continues to descend so as to press the rotor punching sheet which is just glued on the upper surface of the blanking female die on the rotor punching sheet which is glued on the inner surface of the blanking female die, and the other blanking male die continues to descend so as to press the stator punching sheet which is just glued on the inner surface of the blanking female die on the stator punching sheet which;
s3: and repeating the steps S1 and S2, and when the number of the laminated rotor sheets and the number of the laminated stator sheets reach the preset number, pushing out the finished products of the rotor core and the stator core through the air cylinder, and conveying the finished products to the designated position through the conveying belt.
8. The method for producing the stator-rotor core according to claim 7, wherein the coiled material is firstly subjected to the punching forming and the mutual bonding and fixing of the rotor punching sheets and then subjected to the punching forming and the mutual bonding and fixing of the stator punching sheets in the conveying process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810775727.5A CN108718142B (en) | 2018-07-16 | 2018-07-16 | Automatic stator and rotor iron core stacking device and production method |
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| CN201810775727.5A CN108718142B (en) | 2018-07-16 | 2018-07-16 | Automatic stator and rotor iron core stacking device and production method |
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| CN108718142A CN108718142A (en) | 2018-10-30 |
| CN108718142B true CN108718142B (en) | 2020-07-03 |
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| CN111431355B (en) * | 2020-04-09 | 2021-07-13 | 北京航天控制仪器研究所 | Automatic motor iron core stacking production line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066766A (en) * | 2012-12-17 | 2013-04-24 | 天津滨海通达动力科技有限公司 | Stator and rotor punched sheet manufacture step by step craft |
| CN104218743A (en) * | 2014-09-12 | 2014-12-17 | 宁波建欣精密模具有限公司 | Motor iron core automatic gluing lamination high-speed stamping grading die |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5375264B2 (en) * | 2009-03-30 | 2013-12-25 | Ｊｆｅスチール株式会社 | Laminated core manufacturing equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066766A (en) * | 2012-12-17 | 2013-04-24 | 天津滨海通达动力科技有限公司 | Stator and rotor punched sheet manufacture step by step craft |
| CN104218743A (en) * | 2014-09-12 | 2014-12-17 | 宁波建欣精密模具有限公司 | Motor iron core automatic gluing lamination high-speed stamping grading die |
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