Industrial motor rotor iron core
By using the mounting slots of the rotor shaft fixing column and the rotor lamination assembly for fixing with mounting bolts, combined with the limiting slots and limiting blocks, the problems of complex maintenance and poor stability of traditional rotor cores are solved, thereby improving stability and ease of assembly and reducing maintenance costs.
Patent Information
- Application Number
- CN202423158899.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Traditional industrial motor rotor cores require complete disassembly for repair or replacement, increasing maintenance costs and complicating the assembly process, resulting in poor stability.
The rotor shaft fixing column is matched with the mounting slot of the rotor lamination assembly. It is fixed by mounting bolts and first and second mounting holes. Combined with the limiting groove and limiting block, it ensures the stable installation of the rotor lamination assembly on the rotor shaft fixing column. Heat dissipation holes are set on the rotor lamination assembly to improve heat dissipation efficiency. It uses a one-piece carbon fiber molding structure.
It improves the overall stability of the rotor core, reduces vibration and noise, simplifies the assembly process, reduces maintenance costs, and extends the service life and operating efficiency of the motor.
Smart Images
Figure CN223583923U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor core technical field, concretely is an industrial motor rotor core. BACKGROUND
[0002] In the field of industrial motor, the rotor core as the core component of motor, its design, manufacture and assembly quality are directly related to the performance, efficiency and life of motor. The traditional rotor core often adopts multiple integral punching sheet to be directly stacked together, once the rotor punching sheet needs to be repaired or replaced, the whole needs to be disassembled, the maintenance cost is increased, and there are some split type rotor cores, but the assembly process is relatively complex, and the stability after assembly is poor. SUMMARY
[0003] The utility model discloses a kind of industrial motor rotor cores, with excellent stability and assembly maintenance convenience in structure, to solve the problems raised in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] An industrial motor rotor core, comprising a rotor shaft fixing column and a plurality of rotor punching sheet groups stacked together by a plurality of rotor punching sheets, a rotor shaft fixing hole is formed in the middle part of the rotor shaft fixing column, a plurality of installation grooves corresponding to the plurality of rotor punching sheet groups are formed on the side surface of the rotor shaft fixing column at equal angles, an installation block is arranged on the end of each rotor punching sheet of the rotor punching sheet group, the installation block is inserted into the installation groove, the rotor punching sheets at the uppermost end and the lowermost end of the rotor punching sheet group are tightly attached to the upper and lower groove walls of the installation groove, a first installation hole is formed in the upper and lower surfaces of the rotor shaft fixing column and is in communication with the installation groove, a second installation hole is formed in the installation block, the rotor punching sheet group is fixedly installed in the installation groove through the installation bolt, the first installation hole and the second installation hole, and a plurality of winding grooves are formed between the rotor shaft fixing column and the plurality of rotor punching sheet groups.
[0006] Preferably, at least two limiting grooves are formed in the rotor shaft fixing column and the installation block, and a limiting block corresponding to the limiting groove is fixedly welded on the installation bolt.
[0007] Preferably, a heat dissipation hole is formed in each rotor punching sheet of the rotor punching sheet group.
[0008] Preferably, the heat dissipation holes on the rotor punching sheet group gradually move away from the axis at a preset angle in the direction from the middle part to the end part.
[0009] Preferably, an anti-loosening washer is arranged on the installation bolt.
[0010] Preferably, the rotor shaft fixing column and each rotor lamination of the plurality of rotor lamination groups are carbon fiber integrally formed structures.
[0011] Compared with the prior art, the industrial motor rotor core has the beneficial effects that:
[0012] The industrial motor rotor core is stably installed on the rotor shaft fixing column through the cooperation of the mounting groove on the rotor shaft fixing column and the mounting block on the rotor lamination group, and is fixed by using the mounting bolt, the first mounting hole and the second mounting hole, so that the overall stability of the rotor core is improved, the vibration and noise of the industrial motor during operation are reduced, the assembly process is simplified, the production efficiency is improved, the rotor lamination can be more easily disassembled and reassembled when maintenance or replacement is required, the overall replacement is not required, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 A top view schematic diagram of the industrial motor rotor core is provided.
[0014] Figure 2 A bottom view schematic diagram of the industrial motor rotor core is provided.
[0015] Figure 3 A sectional view schematic diagram of the rotor shaft fixing column of the industrial motor rotor core is provided.
[0016] Figure 4 A sectional view schematic diagram of the rotor lamination group of the industrial motor rotor core is provided.
[0017] Figure 5 A structure schematic diagram of the rotor lamination of the rotor lamination group of the industrial motor rotor core is provided.
[0018] Figure 6 A structure schematic diagram of the mounting bolt of the industrial motor rotor core is provided.
[0019] In the figure: 1, rotor shaft fixing column; 2, rotor lamination group; 3, rotor shaft fixing hole; 4, mounting groove; 5, mounting block; 6, first mounting hole; 7, second mounting hole; 8, mounting bolt; 9, winding groove; 10, limiting groove; 11, limiting block; 12, heat dissipation hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-6 The utility model provides an industrial motor rotor core, including rotor shaft fixed column 1 and multiple groups by multiple rotor lamination stacks together rotor lamination group 2, rotor shaft fixed column 1's middle part is provided with rotor shaft fixed hole 3, rotor shaft fixed column 1's side surface is provided with the installation slot 4 corresponding with multiple rotor laminations on equal angle, every rotor lamination end of rotor lamination group 2 is provided with installation block 5, and installation block 5 is inserted in installation slot 4, and the rotor lamination of the uppermost end and the lowermost end of rotor lamination group 2 is respectively tightly attached on the upper and lower groove wall of installation slot 4, and the upper and lower faces of rotor shaft fixed column 1 are provided with the first installation hole 6 communicated with installation slot 4, and the second installation hole 7 is provided on installation block 5, and rotor lamination group 2 is fixedly installed in installation slot 4 through installation bolt 8, first installation hole 6 and second installation hole 7, and multiple winding grooves 9 are formed between rotor shaft fixed column 1 and multiple rotor lamination groups 2.
[0023] The industrial motor rotor core is fixed through the cooperation of the installation slot 4 on the rotor shaft fixed column 1 and the installation block 5 on the rotor lamination group 2 and the use of the installation bolt 8, the first installation hole 6 and the second installation hole 7, which ensures the stable installation of the rotor lamination group 2 on the rotor shaft fixed column 1, improves the overall stability of the rotor core, helps to reduce the vibration and noise during the operation of the industrial motor, simplifies the assembly process, improves the production efficiency, and when the rotor lamination needs to be repaired or replaced, it can also be easily disassembled and reinstalled without the need for overall replacement, which reduces the maintenance cost. The industrial motor rotor core has excellent stability and assembly and maintenance convenience in structure.
[0024] The rotor shaft fixing column 1 and the mounting block 5 are both provided with at least two limiting grooves 10, the mounting bolt 8 is fixedly welded with a limiting block 11 corresponding to the limiting groove 10, the cooperation of the limiting groove 10 and the limiting block 11 increases the connection stability between the mounting bolt 8 and the rotor shaft fixing column 1 and the mounting block 5, can prevent the mounting bolt 8 from loosening in vibration or long-term operation, thereby further enhancing the overall stability and safety of the rotor core, the mounting bolt 8 is provided with an anti-loosening washer, which can further prevent the mounting bolt 8 from loosening in vibration or long-term operation, maintain the stability and safety of the rotor core, and reduce the failure and maintenance cost caused by bolt loosening.
[0025] The rotor lamination set 2 is provided with a heat dissipation hole 12 on each rotor lamination, which helps to dissipate the heat generated by the industrial motor during operation, improves the heat dissipation efficiency of the motor, can prolong the service life of the industrial motor, and can also improve the operation efficiency and stability of the industrial motor, the heat dissipation holes 12 on the rotor lamination set 2 gradually move away from the axis in the direction from the middle to the end at a preset angle, the heat dissipation holes 12 designed in this way can better guide the heat to dissipate, significantly improve the heat dissipation effect, reduce the temperature of the industrial motor during operation, and further improve the stability and life of the motor.
[0026] The rotor shaft fixing column 1 and each rotor lamination of the plurality of rotor lamination sets 2 are carbon fiber integrally formed structures, the carbon fiber material has the characteristics of high strength, low density and good thermal stability, and the use of carbon fiber integrally formed structure can greatly reduce the weight of the rotor core, improve the operation efficiency of the motor, and the carbon fiber material also has good corrosion resistance and wear resistance, which can prolong the service life of the industrial motor.
[0027] When the industrial motor rotor core is assembled, a plurality of rotor lamination sets 2 are prepared to ensure the correct number of rotor laminations in each set, the mounting block 5 of the rotor lamination set 2 is inserted into the mounting groove 4 of the rotor shaft fixing column 1, the uppermost and lowermost rotor laminations of the rotor lamination set 2 are ensured to be tightly attached to the upper and lower groove walls of the mounting groove 4, the mounting bolt 8 is passed through the first mounting hole 6 and the second mounting hole 7, and is locked after adding an anti-loosening washer, the winding slot 9 formed between the rotor shaft fixing column 1 and the plurality of rotor lamination sets 2 is wound with a winding, and the winding is fixed on the rotor shaft through the rotor shaft fixing hole 3.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An industrial electric machine rotor core, characterized by: The application relates to a rotor shaft fixing column (1) and a plurality of rotor lamination groups (2) stacked by a plurality of rotor laminations, wherein a rotor shaft fixing hole (3) is arranged in the middle of the rotor shaft fixing column (1), a plurality of mounting grooves (4) corresponding to the plurality of rotor lamination groups are arranged on the side surface of the rotor shaft fixing column (1) at equal angles, mounting blocks (5) are arranged on the end of each rotor lamination of the rotor lamination group (2), the mounting blocks (5) are inserted into the mounting grooves (4), the rotor laminations at the uppermost end and the lowermost end of the rotor lamination group (2) are tightly arranged on the upper and lower groove walls of the mounting grooves (4), first mounting holes (6) are arranged on the upper and lower surfaces of the rotor shaft fixing column (1) and are communicated with the mounting grooves (4), second mounting holes (7) are arranged on the mounting blocks (5), the rotor lamination group (2) is fixedly arranged in the mounting groove (4) through mounting bolts (8), the first mounting holes (6) and the second mounting holes (7), and a plurality of winding grooves (9) are formed between the rotor shaft fixing column (1) and the plurality of rotor lamination groups (2).
2. An industrial electrical machine rotor core according to claim 1, characterized in that: At least two limiting grooves (10) are arranged on the rotor shaft fixing column (1) and the mounting blocks (5), and limiting blocks (11) corresponding to the limiting grooves (10) are fixedly welded on the mounting bolts (8).
3. An industrial electrical machine rotor core according to claim 1, characterized in that: A plurality of heat dissipation holes (12) are arranged on each rotor lamination of the rotor lamination group (2).
4. An industrial electrical machine rotor core according to claim 3, characterized in that: The heat dissipation holes (12) on the rotor lamination group (2) gradually move away from the axis at a preset angle from the middle to the end.
5. An industrial electrical machine rotor core according to claim 1, characterized in that: Anti-loosening washers are arranged on the mounting bolts (8).
6. An industrial electrical machine rotor core according to claim 1, characterized in that: The rotor shaft fixing column (1) and each rotor lamination of the plurality of rotor lamination groups (2) are carbon fiber integrated structures.