Industrial motor stator core

Abstract

The utility model discloses a stator core of an industrial motor, which comprises a stator fixing ring and a plurality of stator punching sheet groups formed by stacking a plurality of stator punching sheets, and the inner side surface of the stator fixing ring is provided with mounting grooves corresponding to the plurality of stator punching sheet groups at equal angles. A mounting groove is formed in the stator fixing ring, a mounting block is arranged at the end part of each stator punching sheet of the stator punching sheet group, the mounting blocks are inserted into the mounting grooves, first mounting holes communicated with the mounting grooves are formed in the upper and lower surfaces of the stator fixing ring, second mounting holes are formed in the mounting blocks, and the first mounting holes and the second mounting holes are communicated with the mounting grooves. The stator punching sheet groups are fixedly mounted in the mounting grooves through mounting bolts, the first mounting holes and the second mounting holes, and a plurality of winding grooves are formed between the stator fixing ring and the stator punching sheet groups. The industrial motor stator core has excellent stability in structure and convenience in assembly and maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor iron core technical field, concretely is a kind of industrial motor stator core. BACKGROUND

[0002] In the field of industrial motor, stator core as the core component of motor, its design, manufacturing and assembly quality is directly related to the performance, efficiency and life of motor. Traditional stator core often uses multiple integrated punching directly stacked together, once need to repair or replace stator punching, often need to be disassembled as a whole, increase maintenance cost, also exist some split type stator core, 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 stator core, it has 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] A kind of industrial motor stator core, including stator fixed ring and multiple groups by multiple stator punching stacked together stator punching group, the inner side of the stator fixed ring is equiangular and is provided with the installation slot corresponding to multiple stator punching group, each stator punching end of the stator punching group is provided with mounting block, the mounting block is inserted in the installation slot, the stator punching of the uppermost end and the lowermost end of the stator punching group is respectively tightly attached on the upper and lower slot wall of the installation slot, the upper and lower faces of the stator fixed ring are all provided with the first installation hole being communicated with the installation slot, the second installation hole is opened in the mounting block, the stator punching group is fixedly installed in the installation slot by installation bolt, the first installation hole and the second installation hole, the stator fixed ring and multiple stator punching group between constitute multiple winding slots.

[0006] Preferably, at least two limit grooves are opened in the stator fixed ring and the mounting block, and a limit block corresponding to the limit groove is fixedly welded on the installation bolt.

[0007] Preferably, a plurality of first fixing grooves are opened on the outer side of the stator fixed ring.

[0008] Preferably, a second fixing groove is opened on each stator punching of the stator punching group, the number of the first fixing groove and the second fixing groove is same, and they are oppositely arranged one by one.

[0009] Preferably, an anti-loosening washer is arranged on the installation bolt.

[0010] Preferably, the stator fixing ring and each stator sheet of the plurality of stator sheet groups are carbon fiber integrally formed structures.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The industrial motor stator core is fixed through the cooperation of the mounting groove on the stator fixing ring and the mounting block on the stator sheet group, and the use of the mounting bolt, the first mounting hole and the second mounting hole, thereby ensuring the stable installation of the stator sheet group on the stator fixing ring, improving the overall stability of the stator core, and also helping to reduce the vibration and noise during the operation of the industrial motor, simplifying the assembly process and improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A structural schematic view of the industrial motor stator core is provided in the utility model;

[0014] Figure 2 A sectional view of the stator fixing ring of the industrial motor stator core is provided in the utility model;

[0015] Figure 3 A structural schematic view of the stator sheet of the stator sheet group of the industrial motor stator core is provided in the utility model;

[0016] Figure 4 A structural schematic view of the mounting bolt of the industrial motor stator core is provided in the utility model.

[0017] In the drawings: 1, stator fixing ring; 2, stator sheet group; 3, mounting groove; 4, mounting block; 5, first mounting hole; 6, second mounting hole; 7, mounting bolt; 8, winding groove; 9, limiting groove; 10, limiting block; 11, first fixing groove; 12, second fixing groove. DETAILED DESCRIPTION

[0018] 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.

[0019] Therefore, the following detailed description of implementations of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected implementations of the utility model. Based on the implementations in the utility model, all other implementations obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides an industrial motor stator core, including stator fixed ring 1 and multiple groups by multiple stator lamination stack together stator lamination group 2, the inside surface of stator fixed ring 1 is equal angle and is provided with the installation slot 3 corresponding with multiple stator lamination group 2, every stator lamination end of stator lamination group 2 is provided with installation block 4, and installation block 4 is inserted in installation slot 3, and the stator lamination of the uppermost end and the lowermost end of stator lamination group 2 is respectively tightly attached on the upper and lower groove wall of installation slot 3, and the upper and lower faces of stator fixed ring 1 are all provided with the first installation hole 5 being linked with installation slot 3, and the second installation hole 6 is provided on installation block 4, and stator lamination group 2 is fixedly installed in installation slot 3 through installation bolt 7, first installation hole 5 and second installation hole 6, and multiple winding slots 8 are formed between stator fixed ring 1 and multiple stator lamination groups 2.

[0021] The industrial motor stator core is fixed through the cooperation of the installation slot 3 on the stator fixed ring 1 and the installation block 4 on the stator lamination group 2, and the use of the installation bolt 7, the first installation hole 5 and the second installation hole 6, which ensures the stable installation of the stator lamination group 2 on the stator fixed ring 1, improves the overall stability of the stator core, helps to reduce the vibration and noise of the industrial motor during operation, simplifies the assembly process, improves the production efficiency, and makes it easier to disassemble and reinstall when the stator lamination needs to be repaired or replaced, without the need for overall replacement, which reduces maintenance costs. The industrial motor stator core has excellent stability and assembly and maintenance convenience in structure.

[0022] At least two limiting grooves 9 are provided on the stator fixed ring 1 and the installation block 4, and a limiting block 10 corresponding to the limiting groove 9 is fixedly welded on the installation bolt 7. The cooperation of the limiting groove 9 and the limiting block 10 increases the connection stability between the installation bolt 7 and the stator fixed ring 1 and the installation block 4, which can prevent the installation bolt 7 from loosening during vibration or long-term operation, thereby further enhancing the overall stability and safety of the stator core. The installation bolt 7 is provided with a lock washer, which can further prevent the installation bolt 7 from loosening during vibration or long-term operation, maintain the stability and safety of the stator core, and reduce the failure and maintenance costs caused by bolt loosening.

[0023] A plurality of first fixing grooves 11 are formed on the outer side of the stator fixing ring 1, which can be fixed through the first fixing grooves 11 when starting to wind during assembly, and a second fixing groove 12 is formed on each stator lamination of the stator lamination group 2, the number of the first fixing grooves 11 and the second fixing grooves 12 is the same, and they are arranged in one-to-one correspondence, which can fix the wire group through the first fixing grooves 11 during winding, so as to be more stable, at the same time, the fixing grooves form additional support points on the surface of the stator fixing ring 1, which can help to resist external stress and vibration, so as to improve the stability of the entire stator core.

[0024] The stator fixing ring 1 and each stator lamination of the plurality of stator lamination groups 2 are integrally formed of carbon fiber, the carbon fiber material has the characteristics of high strength, low density and good thermal stability, and the integrally formed structure of carbon fiber can greatly reduce the weight of the stator core and improve the operating 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.

[0025] When the stator core of the industrial motor is assembled, a plurality of stator lamination groups 2 are prepared to ensure the correct number of stator laminations in each group, the mounting block 4 of the stator lamination group 2 is inserted into the mounting groove 3 of the stator fixing ring 1, and the uppermost and lowermost stator laminations of the stator lamination group 2 are tightly attached to the upper and lower groove walls of the mounting groove 3, respectively, the mounting bolt 7 is inserted through the first mounting hole 5 and the second mounting hole 6, and is locked after adding a lock washer, and when winding the winding in the winding slot 8 formed between the stator fixing ring 1 and the plurality of stator lamination groups 2, the fixing groove provides a preliminary fixing point, and the winding worker or automatic equipment can embed the starting part or key part of the wire group into the corresponding fixing groove.

[0026] 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 stator core, characterized by: The application relates to a stator fixing ring (1) and a plurality of groups of stator lamination groups (2) stacked by a plurality of stator laminations, equal-angle mounting grooves (3) corresponding to the plurality of stator lamination groups (2) are formed on the inner side of the stator fixing ring (1), mounting blocks (4) are arranged on the end of each stator lamination of the stator lamination groups (2), the mounting blocks (4) are inserted into the mounting grooves (3), the uppermost and lowermost stator laminations of the stator lamination groups (2) are tightly arranged on the upper and lower groove walls of the mounting grooves (3), first mounting holes (5) communicating with the mounting grooves (3) are formed on the upper and lower surfaces of the stator fixing ring (1), second mounting holes (6) are formed on the mounting blocks (4), the stator lamination groups (2) are fixedly arranged in the mounting grooves (3) through mounting bolts (7), the first mounting holes (5) and the second mounting holes (6), and a plurality of winding grooves (8) are formed between the stator fixing ring (1) and the plurality of groups of stator lamination groups (2).

2. An industrial electric machine stator core according to claim 1, characterized in that: At least two limiting grooves (9) are formed on the stator fixing ring (1) and the mounting blocks (4), and limiting blocks (10) corresponding to the limiting grooves (9) are fixedly welded on the mounting bolts (7).

3. An industrial electric machine stator core according to claim 1, characterized in that: A plurality of first fixing grooves (11) are formed on the outer side of the stator fixing ring (1).

4. An industrial electric machine stator core according to claim 3, characterized in that: Second fixing grooves (12) are formed on each stator lamination of the stator lamination groups (2), the first fixing grooves (11) and the second fixing grooves (12) are arranged in a one-to-one corresponding mode.

5. An industrial electric machine stator core according to claim 1, characterized in that: Anti-loosening washers are arranged on the mounting bolts (7).

6. An industrial electric machine stator core according to claim 1, characterized in that: The stator fixing ring (1) and each stator lamination of the plurality of groups of stator lamination groups (2) are integrally formed in a carbon fiber structure.

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