CN220754601U - Motor rotor core production equipment - Google Patents
Motor rotor core production equipment Download PDFInfo
- Publication number
- CN220754601U CN220754601U CN202322501004.5U CN202322501004U CN220754601U CN 220754601 U CN220754601 U CN 220754601U CN 202322501004 U CN202322501004 U CN 202322501004U CN 220754601 U CN220754601 U CN 220754601U
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- die
- iron core
- shaft hole
- punching
- blanking
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 238000004080 punching Methods 0.000 claims abstract description 77
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000000750 progressive effect Effects 0.000 claims abstract description 18
- 239000007769 metal material Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 238000004512 die casting Methods 0.000 claims description 10
- 238000003475 lamination Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a motor rotor core production device, which comprises: a stamping progressive die comprising: a shaft hole punching die for punching a shaft hole K on the formed iron core sheet; the position of the shaft hole punching die is adjustable, so that the shaft hole punching die generates an eccentric quantity A between the center of a shaft hole formed on the iron core sheet and the center of the iron core sheet; when a plurality of iron core sheets are rotationally laminated along the center of the iron core sheets to form a rotor iron core, shaft holes of the iron core sheets jointly form a rotating shaft hole of the rotor iron core; wherein the aperture of the rotating shaft hole is K-2A; the size of the aperture of the rotating shaft hole can be adjusted by adjusting the position of the punching shaft hole die to adjust the eccentric quantity A. The size of the eccentric amount A is adjustable, so that the size of the rotating shaft hole can be adjusted at will, and the interference of the rotor iron core and the motor shaft is changed along with the size, thereby achieving the effect of adjusting the axial force of the iron core; the cost is effectively reduced, the production and manufacturing difficulty is reduced, the production efficiency is improved, and the production and manufacturing modes are optimized.
Description
Technical Field
The utility model relates to the technical field of motor iron core manufacturing, in particular to motor rotor iron core production equipment.
Background
The rotor is a key component of the motor, in the existing motor rotor, a motor shaft and a rotor core are generally connected in an interference fit mode, and in the process that the motor shaft is pressed into the rotor core, the pressing force is required to be strictly controlled, namely the interference fit quantity of the motor shaft and the rotor core shaft hole is controlled.
After the motor iron core is die-cast and during early debugging, the pressing force needs to be frequently adjusted, the existing method is that the size of the shaft hole male die is changed by newly manufacturing the shaft hole male die so as to change the size of the punched shaft hole, so that the interference fit quantity of the shaft hole and a motor shaft is adjusted, and the pressing force of the motor shaft is adjusted, but the production cycle of the mode is long every time, the cost is high, and the high-efficiency production and manufacturing requirements are difficult to meet.
Therefore, there is a need to provide a new way to solve the above technical problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide motor rotor core production equipment, and the size of a rotating shaft hole can be adjusted at will by setting the size of an eccentric amount A to be adjustable, so that the interference of a rotor core and a motor shaft is changed along with the size, and the effect of adjusting the core axial force is achieved; the method does not need to newly manufacture a shaft hole male die, effectively reduces the cost, reduces the production and manufacturing difficulty, improves the production efficiency and optimizes the production and manufacturing mode.
The technical scheme of the utility model is summarized as follows:
an electric motor rotor core production facility includes: the stamping progressive die is used for sequentially stamping the iron core sheet with a preset shape from the metal material belt conveyed in a stepping manner and blanking; the stamping progressive die includes:
a shaft hole punching die for punching a shaft hole K on the formed iron core sheet; the position of the shaft hole punching die is adjustable, so that the shaft hole punching die generates an eccentric quantity A between the center of a shaft hole formed in the iron core sheet and the center of the iron core sheet;
the blanking die is used for blanking the iron core sheet from the metal material belt and forming a laminated structure of the iron core sheet in the blanking channel;
when a plurality of iron core sheets are rotationally stacked along the center of the iron core sheets to form a rotor iron core, shaft holes of the iron core sheets jointly form a rotating shaft hole of the rotor iron core;
wherein the aperture of the rotating shaft hole is K-2A; the size of the aperture of the rotating shaft hole can be adjusted by adjusting the position of the shaft punching hole die to adjust the size of the eccentric quantity A.
Preferably, the value range of the eccentric amount A is 0-0.1mm.
Preferably, the stamping progressive die further comprises a stamping buckling point die for forming a plurality of buckling points uniformly distributed along the same circumference on the surface of the iron core sheet, and two adjacent iron core sheets are matched through the buckling points to realize lamination.
Preferably, the punching point die and the punching hole die are located at the same station.
Preferably, the shaft hole punching die further comprises an adjusting assembly for driving the shaft hole punching die to move relative to the punching point die.
Preferably, the shaft punching hole die moves along the radial direction of the iron core sheet towards the buckling point direction.
Preferably, the shaft punching hole die further comprises a position sensor for detecting the moving position of the shaft punching hole die.
Preferably, the blanking die comprises a blanking male die and a blanking female die; the blanking die is used for accommodating the iron core sheet and driving the iron core sheet to rotate.
Preferably, the stamping progressive die further comprises a punching point sheet-passing die and a die casting aluminum groove die along the stepping direction of the metal material belt, and the punching point sheet-passing die and the die casting aluminum groove die are arranged in front of the punching hole die.
Preferably, a blank station is arranged between the shaft punching hole die and the blanking die.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a motor rotor core production device, which is characterized in that a shaft hole punching die with adjustable positions is arranged, so that the center of a shaft hole formed on a core sheet is not concentric with the center of the core sheet, namely, an eccentric value A is generated between the center of the shaft hole and the center of the core sheet, and the size of the shaft hole is as followsWhen the core sheet center is used as the rotation center to perform rotation lamination, the size of the rotating shaft hole of the rotor core formed by the shaft holes of the core sheets together is +.>The size of the eccentric amount A is adjustable, so that the size of the rotating shaft hole can be adjusted at will, and the interference of the rotor core and the motor shaft is changed along with the size, so that the effect of adjusting the axial force of the core is achieved; the method does not need to newly manufacture a shaft hole male die, effectively reduces the cost, reduces the production and manufacturing difficulty, improves the production efficiency and optimizes the production and manufacturing mode.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of the structure of a core sheet according to the present utility model;
FIG. 2 is an enlarged view at B of FIG. 1;
FIG. 3 is a schematic view of a rotor core according to the present utility model;
FIG. 4 is an enlarged view at C of FIG. 3;
fig. 5 is a schematic view of stations on a progressive die for stamping in accordance with the present utility model.
In the figure:
1. punching a button point through sheet station; 2. a die casting aluminum groove station; 3. a shaft hole punching station; 4. an empty station; 5. a blanking station; 6. an iron core sheet; 601. the center of the iron core sheet; 61. a shaft hole; 611. a center; 62. buckling points; 63. a cast aluminum groove; 7. a rotor core; 71. and a rotating shaft hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other examples, which a person of ordinary skill in the art would obtain without undue burden based on the embodiments of the utility model, are within the scope of the utility model.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configuration shown in the drawings, and in particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension, are relative concepts, and thus may vary accordingly depending on the location and use of the terms, and therefore these or other orientations should not be interpreted as limiting terms.
Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
Example 1
An embodiment of the present utility model provides a production apparatus for a rotor core of an electric motor, as shown in fig. 1 to 5, including: a stamping progressive die for sequentially stamping out iron core sheets 6 with preset shapes from the metal material belt conveyed in a stepping manner and blanking; the stamping progressive die includes:
a shaft hole punching die for punching the shaft hole K61 on the formed iron core sheet 6; the position of the shaft hole punching die is adjustable, so that the shaft hole punching die generates an eccentric amount A between the center 611 of the shaft hole 61 formed on the iron core sheet 6 and the center 601 of the iron core sheet;
a blanking die for blanking the iron core sheet 6 from the metal material belt and forming a laminated structure of the iron core sheet 6 in a blanking channel;
when a plurality of the iron core sheets 6 are rotationally laminated along the iron core sheet center 601 to form the rotor core 7, the shaft holes 61 of the iron core sheets 6 together form a rotating shaft hole 71 of the rotor core 7;
wherein the aperture of the rotating shaft hole 71 is K-2A; the size of the aperture of the rotating shaft hole 71 can be adjusted by adjusting the position of the shaft punching hole die to adjust the eccentric amount A.
Specifically, a punching progressive die sequentially forms a shaft hole punching station 3 and a blanking station 5 along the stepping conveying direction of a metal material belt, wherein the shaft hole punching die is positioned at the shaft hole punching station 3, and the blanking die is positioned at the blanking station 5; the iron core sheet 6 is circular, and the center of the outer diameter of the iron core sheet 6 is the rotation center; it should be understood that when the plurality of core sheets 6 are rotationally stacked along the core sheet center 601 to form the rotor core 7, the centers 611 of the shaft holes 61 on the plurality of core sheets 6 are distributed on a circle having the core sheet center 601 as a center and a radius a.
The utility model sets the position-adjustable shaft hole punching die to make the center 611 of the shaft hole 61 formed on the iron core sheet 6 and the center 601 of the iron core sheet not concentric, namely, the eccentric quantity A is generated between the center 611 and the center 601 of the iron core sheet, the size of the shaft hole 61 is as followsWhen the core sheet center 601 is used as the rotation center for rotation lamination, the shaft holes 61 of the plurality of core sheets 6 together form the rotating shaft holes 71 of the rotor core 7 with the size of +% due to the presence of the eccentric amount A>The size of the eccentric amount A is adjustable, so that the size of the rotating shaft hole 71 can be adjusted at will, and the interference of the rotor core 7 and the motor shaft is changed along with the size, so that the effect of adjusting the axial force of the core is achieved; the mode does not need to newly manufacture a shaft hole 61 male die, so that the cost is effectively reduced, the production and manufacturing difficulty is reduced, the production efficiency is improved, and the production and manufacturing mode is optimized.
Further, the value range of the eccentric amount A is 0-0.1mm.
In an embodiment, the stamping progressive die further includes a stamping point die for forming a plurality of buckling points 62 uniformly distributed along the same circumference on the surface of the core sheet 6, and two adjacent core sheets 6 are matched through the buckling points 62 to realize lamination. Specifically, the fastening points 62 are formed by protruding from the surface of the core sheet 6, and are shaped into grooves at opposite sides thereof; adjacent two iron core sheets 6 are matched with the grooves through buckling points 62 to realize lamination; the lamination mode has the advantages of firm connection, good stability and the like. Preferably, in this embodiment, the number of the buckling points 62 punched by the buckling point punching die is 12.
Further, the punching point die and the punching hole die are located at the same station, so that on one hand, the die setting space is effectively saved, and on the other hand, the position adjustment of the punching hole die is facilitated.
Further, the shaft hole punching die further comprises an adjusting assembly for driving the shaft hole punching die to move relative to the punching point die. Specifically, one end of the adjusting component is connected with the frame of the stamping progressive die, and the other end of the adjusting component is connected with the stamping shaft hole die; preferably, the adjustment assembly is a translational drive assembly.
Further, the shaft hole punching die moves along the radial direction of the core sheet 6 toward the buckling point 62.
Further, the shaft hole punching die further comprises a position sensor for detecting the moving position of the shaft hole punching die 61 so as to ensure that the shaft hole punching die moves to a preset position.
In one embodiment, the blanking die comprises a blanking male die and a blanking female die; wherein, blanking die is used for holding iron core thin slice 6 and drives its rotation. Specifically, the blanking female die is connected with the rotary sleeve through the tightening ring, namely, the blanking female die, the tightening ring and the rotary sleeve form a vertical blanking channel; the core sheet 6 is rotated and then stacked in the blanking passage.
In an embodiment, the stamping progressive die further comprises a punching point sheet-passing die and a die casting aluminum groove die along the metal material belt stepping direction, and the punching point sheet-passing die and the die casting aluminum groove die are arranged in front of the punching hole die. Specifically, the die-casting aluminum groove die is used for forming the aluminum-casting groove 63 on the iron core sheet 6, and the aluminum-casting groove 63 is distributed along the circumference of the rotor punching sheet at equal intervals, wherein the cross section of the aluminum-casting groove 63 is in a long strip shape extending towards the axis direction of the iron core sheet 6 so as to increase the area.
In an embodiment, an empty station 4 is arranged between the shaft hole punching die and the blanking die, and the empty station 4 is used for giving way to a rotating mechanism of the blanking female die on the blanking station 5.
Specifically, the stamping progressive die is sequentially provided with a punching point sheet-passing station 1, a die casting aluminum groove station 2, a shaft hole punching station 3 (punching point station), an empty station 4 and a blanking station 5 along the stepping direction of the metal material belt; the implementation process is as follows:
the metal material belt is punched by the multi-station punching progressive die, and the material belt is sequentially punched with a sheet of a buckling point 62, a punching and casting aluminum groove 63, a punching and rotor buckling point 62, a punching and rotor shaft hole 61 and a punching and rotor blanking; wherein, at the shaft hole punching station 3, the position of the shaft hole punching die is provided with an adjustable structure, thereby realizing that the distance A between the center 611 of the shaft hole 61 and the center of the outer diameter can be adjusted arbitrarily; at the blanking station 5, after each stamping is completed, the blanking die is controlled to rotate by 90 degrees or other angles to drive the iron core sheet 6 to rotate and then to stack, so as to form the rotor iron core 7, and the size of the rotating shaft hole 71 of the rotor iron core 7 is adjustable.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. An electric motor rotor core production facility, characterized by comprising: the stamping progressive die is used for sequentially stamping the iron core sheet with a preset shape from the metal material belt conveyed in a stepping manner and blanking; the stamping progressive die includes:
a shaft hole punching die for punching a shaft hole K on the formed iron core sheet; the position of the shaft hole punching die is adjustable, so that the shaft hole punching die generates an eccentric quantity A between the center of a shaft hole formed in the iron core sheet and the center of the iron core sheet;
the blanking die is used for blanking the iron core sheet from the metal material belt and forming a laminated structure of the iron core sheet in the blanking channel;
when a plurality of iron core sheets are rotationally stacked along the center of the iron core sheets to form a rotor iron core, shaft holes of the iron core sheets jointly form a rotating shaft hole of the rotor iron core;
wherein the aperture of the rotating shaft hole is K-2A; the size of the aperture of the rotating shaft hole can be adjusted by adjusting the position of the shaft punching hole die to adjust the size of the eccentric quantity A.
2. The motor rotor core production apparatus as claimed in claim 1, wherein: the value range of the eccentric quantity A is 0-0.1mm.
3. The motor rotor core production apparatus as claimed in claim 1, wherein: the stamping progressive die further comprises a stamping buckling point die used for forming a plurality of buckling points uniformly distributed along the same circumference on the surface of the iron core sheet, and two adjacent iron core sheets are matched through the buckling points to realize lamination.
4. A motor rotor core production apparatus as claimed in claim 3, wherein: the punching point die and the punching hole die are located at the same station.
5. The motor rotor core production apparatus as claimed in claim 4, wherein: the shaft hole punching die further comprises an adjusting assembly which is used for driving the shaft hole punching die to move relative to the punching point die.
6. The motor rotor core production apparatus as claimed in claim 5, wherein: the punching hole die moves along the radial direction of the iron core sheet to the buckling point direction.
7. The motor rotor core production apparatus as claimed in claim 4, wherein: the shaft punching hole die further comprises a position sensor used for detecting the moving position of the shaft punching hole die.
8. The motor rotor core production apparatus as claimed in claim 1, wherein: the blanking die comprises a blanking male die and a blanking female die; the blanking die is used for accommodating the iron core sheet and driving the iron core sheet to rotate.
9. The motor rotor core production apparatus as claimed in claim 1, wherein: the stamping progressive die further comprises a punching point sheet-passing die and a die casting aluminum groove die along the stepping direction of the metal material belt, and the punching point sheet-passing die and the die casting aluminum groove die are arranged in front of the die casting shaft hole die.
10. The motor rotor core production apparatus as claimed in claim 1, wherein: an empty station is arranged between the shaft hole punching die and the blanking die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501004.5U CN220754601U (en) | 2023-09-14 | 2023-09-14 | Motor rotor core production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501004.5U CN220754601U (en) | 2023-09-14 | 2023-09-14 | Motor rotor core production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220754601U true CN220754601U (en) | 2024-04-09 |
Family
ID=90553613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322501004.5U Active CN220754601U (en) | 2023-09-14 | 2023-09-14 | Motor rotor core production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220754601U (en) |
-
2023
- 2023-09-14 CN CN202322501004.5U patent/CN220754601U/en active Active
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