Rotor iron core and rotor seat fixing structure of motor for textile machine
By designing through holes on the rotor core of the motor for textile machine and setting threaded holes at the rotor seat, and using bolts to lock and fix, the problem of loosening and deformation of the flat keys under large torque is solved, and the stability of the motor is improved And reduce costs.
Patent Information
- Application Number
- CN202323638274.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing rotor core and the rotor seat are only connected by flat keys, which can easily lead to loosening and deformation under large torques, affecting the performance and life of the motor.
The fixed structure between the rotor core and the rotor seat is designed. By setting through holes on the rotor core and threaded holes at the rotor seat, the fixed structure is locked and fixed by bolts, sharing the force on the flat key, and the large torque is increased. The ability to withstand impact.
It effectively solves the loosening and deformation problems of the rotor seat and the rotor core, improves the stability of the motor, and increases the cost.
Smart Images

Figure CN222169430U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of motors, in particular to a rotor core and rotor seat fixing structure of a motor for a textile machine. Background Art
[0002] The existing rotor core and rotor seat are connected only by a flat key, which can easily cause the connection to loosen and deform when the motor is running under high torque, affecting the performance and life of the motor.
[0003] Therefore, it is necessary to invent a rotor core and rotor seat fixing structure of a textile machine motor to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a rotor core and rotor seat fixing structure of a motor for a textile machine, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotor core and rotor seat fixing structure of a motor for a textile machine, comprising a rotor seat and a rotor core, a rotor shaft hole is arranged at the center of the rotor seat, a flat key is arranged on the inner side of the rotor core, a keyway corresponding to the flat key is arranged on the outer side of the rotor seat, a first core pressure plate and a second core pressure plate are arranged on the upper and lower sides of the rotor core respectively, corresponding through holes are arranged on the surfaces of the first core pressure plate, the second core pressure plate and the rotor core, threaded holes corresponding to the through holes are arranged around the rotor seat, and bolts are arranged in the threaded holes and the through holes.
[0006] Preferably, the first core pressure plate is divided into two first semi-annular pressure plates, one side of each of the two first semi-annular pressure plates is provided with a first wedge block, and the other side of each of the two first semi-annular pressure plates is provided with a first wedge groove corresponding to the first wedge block, and the second core pressure plate is divided into two second semi-annular pressure plates and a connecting pressure plate, both sides of each of the two second semi-annular pressure plates are provided with a second wedge block, and both sides of the two connecting pressure plates are provided with a second wedge groove corresponding to the second wedge block.
[0007] Preferably, the rotor core and the flat key are both provided in two numbers.
[0008] Preferably, connection holes are formed on the surfaces of the rotor core, the first core pressure plate and the second core pressure plate, and connection columns are provided in the connection holes.
[0009] Technical effects and advantages of the utility model:
[0010] By designing four through holes on the rotor core and threaded holes at the corresponding positions of the rotor seat, which is fixed by bolt locking, the force on the flat key is shared, so that it can withstand large torque impact and remain stable with low additional cost, effectively solving the problem of looseness and deformation of the rotor seat and rotor core. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the structure of the rotor seat of the utility model;
[0013] Figure 3 This is a schematic diagram of the structure of the rotor core of the utility model;
[0014] Figure 4 It is a schematic diagram of the structure of the rotor seat and the first iron core pressing plate and the second iron core pressing plate of the utility model;
[0015] Figure 5 This is a schematic structural diagram of the first core pressure plate of the utility model;
[0016] Figure 6 It is a structural schematic diagram of the second core pressure plate of the utility model.
[0017] In the figure: 1. rotor seat; 2. rotor core; 3. rotor shaft hole; 4. flat key; 5. keyway; 6. first core pressure plate; 7. second core pressure plate; 8. through hole; 9. threaded hole; 10. bolt; 11. first semi-annular pressure plate; 12. second semi-annular pressure plate; 13. connecting pressure plate; 14. connecting column. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] The utility model provides Figure 1-6The rotor core and rotor seat fixing structure of a motor for a textile machine shown in the figure includes a rotor seat 1 and a rotor core 2, a rotor shaft hole 3 is arranged at the center of the rotor seat 1, a flat key 4 is arranged on the inner side of the rotor core 2, a keyway 5 corresponding to the flat key 4 is opened on the outer side of the rotor seat 1, a first core pressure plate 6 and a second core pressure plate 7 are respectively arranged on the upper and lower sides of the rotor core 2, corresponding through holes 8 are opened on the surfaces of the first core pressure plate 6, the second core pressure plate 7 and the rotor core 2, threaded holes 9 corresponding to the through holes 8 are opened on all sides of the rotor seat 1, and bolts 10 are arranged in the threaded holes 9 and the through holes 8.
[0020] The first core pressure plate 6 is divided into two first semi-annular pressure plates 11, one side of the two first semi-annular pressure plates 11 is provided with a first wedge block, and the other side of the two first semi-annular pressure plates 11 is provided with a first wedge groove corresponding to the first wedge block. The second core pressure plate 7 is divided into two second semi-annular pressure plates 12 and a connecting pressure plate 13, both sides of the two second semi-annular pressure plates 12 are provided with a second wedge block, and both sides of the two connecting pressure plates 13 are provided with a second wedge groove corresponding to the second wedge block, which can facilitate the two rotor cores 2 to be compressed.
[0021] The rotor core 2 and the flat key 4 are both provided in two numbers.
[0022] The surfaces of the rotor core 2 , the first core pressure plate 6 and the second core pressure plate 7 are all provided with connection holes, and connection columns 14 are arranged in the connection holes, which can increase the stability of the rotor core 2 and the first core pressure plate 6 and the second core pressure plate 7 .
[0023] Working principle of this utility model:
[0024] During assembly, first connect the first core pressing plate 6 and the second core pressing plate 7 to the rotor core 2 through the connecting column 14, align the flat key 4 on the rotor core 2 with the keyway 5 on the rotor seat 1, push the rotor core 2, and press the rotor core 2 into the rotor seat 1. At this time, the threaded hole 9 on the rotor seat 1 corresponds to the through hole 8 on the rotor core 2. The bolt 10 is inserted into the through hole 8 on the rotor core 2 for locking and fixing, thereby sharing the force on the flat key 4, so that it can withstand large torque impact and remain stable.
[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A rotor core and rotor seat fixing structure of a motor for a textile machine, characterized in that: It includes a rotor seat and a rotor core, a rotor shaft hole is arranged at the center of the rotor seat, a flat key is arranged on the inner side of the rotor core, a keyway corresponding to the flat key is arranged on the outer side of the rotor seat, a first core pressure plate and a second core pressure plate are arranged on the upper and lower sides of the rotor core respectively, corresponding through holes are arranged on the surfaces of the first core pressure plate, the second core pressure plate and the rotor core, threaded holes corresponding to the through holes are arranged on all sides of the rotor seat, and bolts are arranged in the threaded holes and the through holes.
2. The rotor core and rotor seat fixing structure of a textile machine motor according to claim 1, characterized in that: The first core pressure plate is divided into two first semi-annular pressure plates, one side of each of the two first semi-annular pressure plates is provided with a first wedge block, and the other side of each of the two first semi-annular pressure plates is provided with a first wedge groove corresponding to the first wedge block; the second core pressure plate is divided into two second semi-annular pressure plates and a connecting pressure plate, both sides of each of the two second semi-annular pressure plates are provided with a second wedge block, and both sides of the two connecting pressure plates are provided with a second wedge groove corresponding to the second wedge block.
3. The rotor core and rotor seat fixing structure of a textile machine motor according to claim 1, characterized in that: The rotor core and the flat key are both provided in two numbers.
4. The rotor core and rotor seat fixing structure of a textile machine motor according to claim 1, characterized in that: The surfaces of the rotor core, the first core pressure plate and the second core pressure plate are all provided with connection holes, and connection columns are arranged in the connection holes.
