Protective device for permanent magnet motor assembly
By using positioning and guiding mechanisms in permanent magnet motors, the problem of rotor and stator installation deviations is solved, enabling precise positioning and rapid installation, and improving the quality of motor assembly.
Patent Information
- Application Number
- CN202423160150.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing permanent magnet motors have strong magnets in the rotor's built-in magnets, which makes it difficult to accurately position the stator and rotor during installation, affecting the motor's assembly accuracy.
A protective device is adopted, including a positioning mechanism, a guiding mechanism and a clamping assembly. The aluminum material guiding and guiding assemblies are used to avoid magnetic adsorption, and the stator and rotor are stably limited and quickly installed through the drive assembly.
This achieves precise installation of the stator and rotor, avoids magnetic adsorption, and improves the accuracy and efficiency of motor assembly.
Smart Images

Figure CN223613190U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to motor general assembly protection field, especially relate to a kind of protective devices for permanent magnet motor general assembly. BACKGROUND
[0002] At present, permanent magnet synchronous motor has simple structure, small size, high efficiency, high power factor and other advantages. Permanent magnet synchronous motor has achieved performance in medium and low voltage motors in industries such as metallurgical industry (iron mill and sintering plant, etc.), ceramic industry (ball mill), rubber industry (internal mixer), petroleum industry (oil pumping unit), textile industry (twist machine, spinning machine) and gradually accumulates design and operation experience.
[0003] However, the existing permanent magnet motor has strong magnetism due to the built-in magnetic steel in the rotor, and the motor base is made of iron. It is difficult to achieve accurate positioning and installation operation of the stator and rotor part by conventional installation method, which may cause deviation due to strong magnetic adsorption during installation of the stator and rotor of the motor, and affect the assembly of the motor.
[0004] Therefore, in view of the above-mentioned problems in actual production and implementation, the utility model is modified and improved, and the spirit and concept of seeking good are followed. With the help of professional knowledge and experience, and after many trials and experiments, the utility model is created, and a protective device for permanent magnet motor general assembly is provided to solve the problem that the existing permanent magnet motor has strong magnetism due to the built-in magnetic steel in the rotor, and the motor base is made of iron. It is difficult to achieve accurate positioning and installation operation of the stator and rotor part by conventional installation method, which may cause deviation due to strong magnetic adsorption during installation of the stator and rotor of the motor, and affect the assembly of the motor. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of protective device for permanent magnet motor general assembly, solve the problem that the existing permanent magnet motor has strong magnetism due to the built-in magnetic steel in the rotor, and the motor base is made of iron. It is difficult to achieve accurate positioning and installation operation of the stator and rotor part by conventional installation method, which may cause deviation due to strong magnetic adsorption during installation of the stator and rotor of the motor, and affect the assembly of the motor.
[0006] The technical scheme of the utility model is as follows: a protective device for permanent magnet motor general assembly, including positioning mechanism, the main body of the positioning mechanism is the workbench structure with recess in top end, the assembly mechanism is placed in the top end of the positioning mechanism, the top end surface of positioning mechanism is also fixedly connected with the guide mechanism located at the rear side of assembly mechanism;
[0007] The guide mechanism is longitudinally arranged, a driving assembly B is longitudinally arranged in a longitudinal groove in the guide mechanism, a sliding assembly with a rectangular structure is fixedly connected to the top end output of the driving assembly B, two clamping block assemblies with protruding structures are fixedly connected to the opposite sides of the sliding assembly, a clamping assembly with a ring structure is fixedly connected to the side of the sliding assembly away from the guide mechanism, inclined surfaces are arranged on the top end and the inner wall of the bottom end of the clamping assembly, guide assemblies with cylindrical structures are fixedly connected in an annular array on the bottom surface of the clamping assembly, a barrel-shaped guide assembly penetrating through the top and bottom sides is fixedly connected to the top surface of the clamping assembly, and the clamping assembly, the guide assembly and the guide assembly are all made of aluminum.
[0008] As a preferred embodiment, two support assemblies with U-shaped structures are fixedly connected in a straight line array on the bottom surface of the positioning mechanism.
[0009] As a preferred embodiment, two moving assemblies with rectangular block structures are fixedly connected to the inner sides of the two driving assemblies A.
[0010] As a preferred embodiment, two clamping assemblies with arc-shaped structures are fixedly connected to the inner sides of the two moving assemblies.
[0011] As a preferred embodiment, an installation assembly with a ring structure is fixedly connected to the outer side of the assembly mechanism.
[0012] As a preferred embodiment, two driving assemblies A are mounted in opposition inside the groove at the top end of the positioning mechanism.
[0013] As a preferred embodiment, two guide assemblies with protruding structures are fixedly connected in opposition to the outer sides of the two moving assemblies.
[0014] As a preferred embodiment, rubber pads with arc-shaped structures are arranged on the inner walls of the two clamping assemblies.
[0015] As a preferred embodiment, six positioning holes are annularly arranged inside the installation assembly, and the positioning holes are matched with the guide assemblies.
[0016] As a preferred embodiment, a stator assembly is mounted inside the assembly mechanism, a rotor assembly is sleeved to the outer side of the stator assembly, and an end cover assembly with a bearing seat arranged at the center is mounted at the top end of the assembly mechanism.
[0017] After the above technical scheme is used, the beneficial effects of the present application are as follows:
[0018] 1. In this utility model, by providing six guide components fixedly connected to the bottom surface of the clamping component, when the assembly mechanism is installing the rotor component and the stator component, the driving component B installed in the guide mechanism can be activated to push the clamping component and the guide component towards one side of the assembly mechanism, and the guide component can be inserted into the internal position of the positioning hole to achieve stable positioning of the assembly mechanism.
[0019] 2. In this utility model, a cylindrical guide component is fixedly connected to the top surface of the clamping mechanism. A rubber layer can be provided on the inner side of the guide component for wrapping. The guide component and other components are made of aluminum. Therefore, when the rotor assembly and stator assembly are installed, magnetic adsorption will not occur, and rapid guided installation can be achieved. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the front view of the protective device of this utility model;
[0022] Figure 2 This is a schematic diagram of the rear side structure of the protective device of this utility model;
[0023] Figure 3 This is a schematic diagram of the combined structure of the clamping component and the guiding component of the protective device of this utility model;
[0024] Figure 4 This is a schematic diagram of the combined structure of the positioning mechanism and support components of the protective device of this utility model;
[0025] Figure 5 This is a schematic diagram of the assembly mechanism and installation components of the protective device of this utility model;
[0026] Figure 6 This is a top view of the protective device of this utility model;
[0027] In the figure, 1 is the positioning mechanism; 101 is the support component; 102 is the drive component A; 103 is the moving component; 104 is the guide component; 105 is the clamping component; 2 is the assembly mechanism; 201 is the mounting component; 202 is the positioning hole; 203 is the stator component; 204 is the rotor component; 205 is the end cover component; 3 is the guide mechanism; 301 is the drive component B; 302 is the sliding component; 303 is the locking block component; 304 is the clamping component; 305 is the guide component; 306 is the guide component. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] like Figures 1-6 As shown, a protective device for the assembly of a permanent magnet motor includes: a positioning mechanism 1, the main body of the positioning mechanism 1 is a workbench structure with a groove at the top, an assembly mechanism 2 is placed at the top of the positioning mechanism 1, and a guide mechanism 3 located behind the assembly mechanism 2 is fixedly connected to the top surface of the positioning mechanism 1.
[0030] The guide mechanism 3 is arranged longitudinally, and a drive component B301 is arranged longitudinally in the longitudinal groove inside it. A rectangular sliding component 302 is fixedly connected to the top output end of the drive component B301. Two protruding locking components 303 are fixedly connected to the outer side of the sliding component 302. A ring-shaped locking component 304 is fixedly connected to the side of the sliding component 302 away from the guide mechanism 3. Inclined surfaces are provided on the inner walls of the top and bottom ends of the locking component 304. A cylindrical guide component 305 is fixedly connected in a ring array on the bottom end surface of the locking component 304. A barrel-shaped guide component 306 with bidirectional passage on both the top and bottom sides is fixedly connected to the top surface of the locking component 304. The locking component 304, the guide component 305, and the guide component 306 are all made of aluminum. A stator component 203 is installed inside the assembly mechanism 2. A rotor component 204 is sleeved on the outer side of the stator component 203. An end cover component 205 with a bearing seat at the center is installed at the top of the assembly mechanism 2.
[0031] Among them, two U-shaped support components 101 are fixedly connected in a linear array on the bottom surface of the positioning mechanism 1, and rectangular block moving components 103 are fixedly connected to the inner side of the two driving components A102.
[0032] Two clamping assemblies 105 of arc-shaped structure are fixedly connected to the inner sides of the two moving assemblies 103, and an installation assembly 201 of ring-shaped structure is fixedly connected to the outer side of the assembling mechanism 2.
[0033] Two driving assemblies A102 are oppositely installed in the groove at the top end of the positioning mechanism 1, and two protruding structures of guiding assembly 104 are oppositely fixedly connected to the outer sides of the two moving assemblies 103.
[0034] The inner walls of the two clamping assemblies 105 are provided with rubber pads of arc-shaped structure, six positioning holes 202 are arranged in the inner ring of the installation assembly 201, and the positioning holes 202 are matched with the guiding assembly 305.
[0035] In use, when the positioning mechanism 1 (i.e. a permanent magnet motor) is in the process of final assembly, the positioning mechanism 1 is placed in the groove at the top end of the positioning mechanism 1, and the two driving assemblies A102 installed in the positioning mechanism 1 are started to push the moving assembly 103 inward, when the moving assembly 103 moves inward, the guiding assembly 104 fixedly connected to the outer side of the moving assembly 103 moves inward along the transverse groove, and the clamping assembly 105 fixedly connected to the inner side of the two moving assemblies 103 clamps and positions the bottom end of the assembling mechanism 2.
[0036] At this time, the driving assembly B301 installed in the guiding mechanism 3 is started to push the sliding assembly 302 downward, the movement of the sliding assembly 302 drives the clamping assembly 304 to move downward, until the guiding assembly 305 is inserted into the positioning hole 202 in the installation assembly 201 to realize positioning, and the guiding assembly 306 fixedly connected to the top surface of the clamping assembly 304 is used to guide and install the current stator assembly 203, after the stator assembly 203 is installed, the rotor assembly 204 is sleeved to the outer side of the stator assembly 203, at this time, the driving assembly B301 is started to push the sliding assembly 302 upward, and the end cover assembly 205 is installed above the assembling mechanism 2 to complete the assembly.
[0037] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A protection device for permanent magnet motor assembly, comprising a positioning mechanism (1), the main body of the positioning mechanism (1) is a workbench structure with a groove at the top end, characterized in that, The top end of the positioning mechanism (1) is provided with an assembling mechanism (2), and the top end surface of the positioning mechanism (1) is further fixedly connected with a guide mechanism (3) located at the rear side of the assembling mechanism (2); The guide mechanism (3) is longitudinally arranged, a driving assembly B (301) is longitudinally arranged in a longitudinal groove formed in the guide mechanism (3), the top end output end of the driving assembly B (301) is fixedly connected with a rectangular sliding assembly (302), the outer side of the sliding assembly (302) is fixedly connected with two protruding structure clamping block assemblies (303) in opposition, the side of the sliding assembly (302) away from the guide mechanism (3) is fixedly connected with a ring-shaped clamping assembly (304), the top end and the bottom end inner wall of the clamping assembly (304) are provided with inclined surfaces, the bottom surface of the clamping assembly (304) is fixedly connected with a ring-shaped array of outflow cylindrical guide assemblies (305), the top surface of the clamping assembly (304) is fixedly connected with a barrel-shaped guide assembly (306) bidirectionally penetrating through the upper and lower sides, and the clamping assembly (304), the guide assembly (305) and the guide assembly (306) are all made of aluminum.
2. A protective device for a permanent magnet machine assembly according to claim 1, characterized in that The bottom surface of the positioning mechanism (1) is fixedly connected with two U-shaped support assemblies (101) in a straight line array.
3. A protective device for a permanent magnet machine assembly according to claim 2, characterised in that, The recess formed in the top end of the positioning mechanism (1) is internally mounted with two driving assemblies A (102) in opposition.
4. A protective device for a permanent magnet machine assembly according to claim 3, characterized in that The inner side of the two driving assemblies A (102) is fixedly connected with a rectangular block structure moving assembly (103).
5. A protective device for a permanent magnet machine assembly according to claim 1, characterized in that The outer side of the assembling mechanism (2) is fixedly connected with a ring-shaped mounting assembly (201).
6. A protective device for a permanent magnet machine assembly according to claim 4, wherein The inner side of the two moving assemblies (103) is fixedly connected with an arc-shaped clamping assembly (105).
7. A protective device for a permanent magnet machine assembly according to claim 6, characterised in that, The outer side of the two moving assemblies (103) is fixedly connected with two protruding structure guide assemblies (104) in opposition.
8. A protective device for a permanent magnet machine assembly according to claim 6, wherein The inner wall of the two clamping assemblies (105) is provided with an arc-shaped rubber pad.
9. A protective device for a permanent magnet machine assembly according to claim 5, wherein The inner side of the mounting assembly (201) is provided with six positioning holes (202) in a ring-shaped array, and the positioning holes (202) are matched with the guide assemblies (305).
10. A protective device for a permanent magnet machine assembly according to claim 1, characterized in that The interior of the assembling mechanism (2) is provided with a stator assembly (203), the outer side of the stator assembly (203) is sleeved with a rotor assembly (204), and the top end of the assembling mechanism (2) is provided with a cover assembly (205) with a bearing seat arranged at the center.