Motor rotor punching sheet

Abstract

The utility model belongs to the technical field of motors, and especially relates to a motor rotor punching sheet comprising a body, one side end face of the body protrudes to form a boss, the other side end face is recessed to form a cavity, the wall surface of the cavity is provided with a chute, and one end of the chute is provided with an assembling gap; the first shaft hole is formed in the body and penetrates from the boss end to the end face of the concave cavity; the limiting frame is connected into the sliding groove through the assembling notch, and the boss is matched into the concave cavity through the limiting frame. Wherein the plurality of bodies are connected with the assembling notches in the adjacent bodies through the limiting frames, and after dislocation occurs, the plurality of bodies are connected.

Description

Technical Field

[0001] This utility model belongs to the field of motor technology, and in particular relates to a motor rotor lamination. Background Technology

[0002] Motor rotor: This is the rotating component of an electric motor. An electric motor consists of two parts: the rotor and the stator. It is a device used to convert electrical energy into mechanical energy and vice versa. Motor rotors are divided into electric motor rotors and generator rotors.

[0003] Motor rotors are generally formed by stacking multiple rotor laminations on a shaft. When using such motor rotors, the outer side of the rotor laminations often needs to be reinforced by winding coils, which leads to complicated processes and increased production costs. Therefore, we have specially designed a motor rotor lamination. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a motor rotor lamination that facilitates its manufacture.

[0005] In view of this, the present invention provides a motor rotor lamination, comprising:

[0006] The main body has a boss protruding from one end face and a cavity formed by the inward concavity of the other end face. The cavity wall is provided with a groove, and one end of the groove is provided with an assembly notch.

[0007] The first shaft hole is provided on the body and extends from the boss end to the cavity end face;

[0008] The limiting bracket is connected to the slide groove through an assembly notch and fits the boss into the cavity.

[0009] In this process, multiple bodies are connected to the assembly gaps on adjacent bodies through a limiting frame, and after misalignment occurs, the multiple bodies are connected.

[0010] Furthermore, the above technical solution also includes:

[0011] The core groove is set on the body and extends from the boss end to the concave cavity end face;

[0012] Among them, the core slots on multiple bodies overlap to form a through-slot structure, which is connected to an iron core.

[0013] Furthermore, the above technical solution also includes:

[0014] Fastening holes are provided on the body and extend from the boss end to the cavity end face;

[0015] The fastening holes on multiple bodies overlap to form a through groove structure, which is connected to fasteners that fix the multiple bodies in place.

[0016] In the above technical solution, the fastener further includes:

[0017] A fixing plate is provided with a second shaft hole corresponding to the first shaft hole, and a connecting post is provided on one side end face of the fixing plate. The connecting post is connected to multiple fastening holes on the body in sequence and extends to the outside to be connected with bolts.

[0018] The fixed plate has a reserved slot corresponding to the limit frame.

[0019] Furthermore, the above technical solution also includes:

[0020] Washer, with through holes provided;

[0021] The connecting column passes through the through hole and is then connected to the bolt.

[0022] Furthermore, the above technical solution also includes:

[0023] The first air slot is set on the main body, and multiple first air slots are connected after multiple main bodies are assembled.

[0024] The fixing plate is provided with a second air groove corresponding to the first air groove.

[0025] Furthermore, in the above technical solution, the body is magnetic.

[0026] Furthermore, the above technical solution also includes:

[0027] The first keyway is set on the wall surface of the first shaft hole;

[0028] Among them, multiple main bodies are combined and multiple first keyways overlap together;

[0029] The fixing plate is provided with a second keyway corresponding to the first keyway.

[0030] The advantages of this utility model are: it facilitates assembly and the connection between multiple bodies is stable. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of one side of the main body of this utility model;

[0032] Figure 2 This is a schematic diagram of the other side of the main body of this utility model;

[0033] Figure 3 This is an exploded view of the assembly between the multiple bodies of this utility model;

[0034] Figure 4 This is a side view of the assembled components of this utility model;

[0035] Figure 5 This is a schematic diagram of the other side after the multiple bodies of this utility model are assembled;

[0036] The markings in the diagram are as follows: 1. Body; 11. Boss; 111. Limiting bracket; 12. Cavity; 121. Slide groove; 122. Assembly notch; 13. First shaft hole; 2. Core groove; 21. Iron core; 3. Fastening hole; 4. Fastener; 41. Fixing plate; 411. Second shaft hole; 412. Connecting column; 413. Reserved groove; 42. Bolt; 5. Washer; 51. Through hole; 61. First air groove; 62. Second air groove; 71. First keyway; 72. Second keyway. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0038] Example 1:

[0039] This embodiment provides a motor rotor lamination, including:

[0040] The main body 1 has a boss 11 protruding from one end face and a cavity 12 formed by the inward concavity of the other end face. The wall of the cavity 12 is provided with a groove 121 and an assembly notch 122 is provided at one end of the groove 121.

[0041] The first shaft hole 13 is provided on the body 1 and extends from the end of the boss 11 to the end face of the cavity 12.

[0042] The limiting bracket 111 is connected to the slide groove 121 through the assembly notch 122 and the boss 11 is fitted into the cavity 12.

[0043] In this process, multiple bodies 1 are connected to the assembly notches 122 on adjacent bodies 1 by limiting brackets 111, and after misalignment occurs, the multiple bodies 1 are connected.

[0044] As can be seen in this embodiment, one end of the body 1 is formed with a boss 11 and the other end is formed with a cavity 12. Adjacent bodies 1 are assembled by embedding the boss 11 into the cavity 12.

[0045] Furthermore, a groove 121 is formed on the wall of the cavity 12, and an assembly notch 122 is formed at one end of the groove 121. A limit frame 111 is formed on the edge of the boss 11 corresponding to the assembly notch 122. The limit frame 111 is connected to the groove 121 through the assembly notch 122, and the limit frame 111 is slidably fitted into the inside of the groove 121 by rotating the body 1, thereby achieving fixation.

[0046] It is easy to assemble, and the connection between multiple bodies 1 is stable.

[0047] Example 2:

[0048] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0049] Core groove 2 is provided on the body 1 and extends from the end of the boss 11 to the end face of the cavity 12;

[0050] Among them, the core grooves 2 on multiple bodies 1 overlap to form a through groove structure, and are connected to iron cores 21.

[0051] As can be seen from this embodiment, by setting a core groove 2 on the body 1 and having multiple core grooves 2 on the body 1 overlap to form a through groove structure, an iron core 21 is connected inside the through groove structure.

[0052] The iron core 21 helps to increase the counterweight, and the iron core 21 can cooperate with the core groove 2 to limit the connection of the main body 1.

[0053] Example 3:

[0054] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0055] Fastening hole 3 is provided on the body 1 and extends from the end of the boss 11 to the end face of the cavity 12;

[0056] Among them, the fastening holes 3 on multiple bodies 1 overlap to form a through groove structure, and fasteners are connected to it, which fix the multiple bodies 1.

[0057] As can be seen from this embodiment, the fastening hole 3 is formed on the body 1, and the fastening hole 3 is connected to the fastening fastener. By setting the fastening hole 3 and connecting the fastener, the overall structure formed by the combination of multiple bodies 1 is further fixed, thereby improving the overall structural strength.

[0058] Example 4:

[0059] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] Fasteners include:

[0061] The fixing plate 41 has a second shaft hole 411 corresponding to the first shaft hole 13, and a connecting post 412 is provided on one side end face of the fixing plate 41. The connecting post 412 is connected to the fastening holes 3 on the multiple bodies 1 in sequence, and extends to the outside to be connected to the bolt 42.

[0062] The fixed plate 41 is provided with a reserved slot 413 corresponding to the limiting frame 111.

[0063] As can be seen from this embodiment, the fastener includes a fixing plate 41 and a bolt 42. The fixing plate 41 has a second shaft hole 411 formed corresponding to the first shaft hole 13.

[0064] A connecting post 412 is formed on one end face of the fixing plate 41. In use, the connecting post 412 connects to the fastening holes 3 on multiple bodies 1 in sequence, and connects to the bolt 42 after passing through the fastening hole 3 on the last body 1, thereby strengthening the structure of multiple bodies 1 into an integral structure. At the same time, the side of the fixing plate 41 that mates with the body 1 is provided with a reserved groove 413 corresponding to the limiting frame 111, which facilitates the assembly of the fixing plate 41 and the body 1.

[0065] Example 5:

[0066] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0067] Washer 5, with a through hole 51 provided on washer 5;

[0068] Among them, the connecting post 412 passes through the through hole 51 and is connected to the bolt 42.

[0069] As can be seen from this embodiment, the washer 5 has a through hole 51 for connecting the column 412. The washer 5 protects the wall of the cavity 12, and the washer 5 covers the outside of the iron core 21, thereby working with the fixing plate 41 to limit and fix the iron core 21.

[0070] Example 6:

[0071] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] The first air slot 61 is disposed on the body 1, and the multiple first air slots 61 are connected after the multiple bodies 1 are assembled.

[0073] The fixing plate 41 is provided with a second air groove 62 corresponding to the first air groove 61.

[0074] As can be seen from this embodiment, by setting a first air slot 61 on the main body 1 and correspondingly setting a second air slot 62 on the fixing plate 41, the noise reduction and heat dissipation efficiency can be effectively achieved.

[0075] Example 7:

[0076] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0077] Body 1 is magnetic.

[0078] As can be seen from this embodiment, the body 1 becomes magnetic after being magnetized, and thus can be initially connected together by magnetic adsorption between the bodies 1 without structural reinforcement by fasteners, thereby facilitating assembly.

[0079] Example 8:

[0080] This embodiment provides a motor rotor lamination, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0081] The first keyway 71 is disposed on the wall surface of the first shaft hole 13;

[0082] Among them, after multiple bodies 1 are combined, multiple first keyways 71 overlap together;

[0083] The fixing plate 41 is provided with a second keyway 72 corresponding to the first keyway 71.

[0084] As can be seen from this embodiment, by setting a first keyway 71 on the first shaft hole 13, a keyway structure is formed on the first shaft hole 13 after multiple bodies 1 are connected, which facilitates the connection between the body 1 and the rotating shaft. At the same time, the fixing plate 41 has a second keyway 72 formed corresponding to the first keyway 71, which facilitates assembly.

[0085] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A motor rotor lamination, characterized in that it comprises: The body (1) has a boss (11) protruding from one end face and a cavity (12) formed from the other end face. The cavity (12) has a groove (121) on its wall and an assembly notch (122) at one end. The first shaft hole (13) is provided on the body (1) and extends from the end of the boss (11) to the end face of the cavity (12); The limiting frame (111) is connected to the slide groove (121) through the assembly notch (122) and the boss (11) is fitted into the cavity (12); Among them, multiple bodies (1) are connected to the assembly notches (122) on adjacent bodies (1) by limiting frames (111), and after misalignment occurs, multiple bodies (1) are connected.

2. The motor rotor lamination according to claim 1, characterized in that, it further includes... include: Core groove (2), the core groove (2) is provided on the body (1) and extends from the end of the boss (11) to the end face of the cavity (12); Among them, the core grooves (2) on multiple bodies (1) overlap to form a through groove structure and are connected to an iron core (21).

3. The motor rotor lamination according to claim 2, characterized in that, it further includes... include: Fastening hole (3), the fastening hole (3) is provided on the body (1) and extends from the end of the boss (11) to the end face of the cavity (12); Among them, the fastening holes (3) on multiple bodies (1) overlap to form a through groove structure and are connected with fasteners, which fix multiple bodies (1).

4. A motor rotor lamination according to claim 3, characterized in that, Fasteners include: The fixing plate (41) has a second shaft hole (411) corresponding to the first shaft hole (13) and a connecting post (412) is provided on one side end face of the fixing plate (41). The connecting post (412) is connected to the fastening holes (3) on multiple bodies (1) in sequence and extends to the outside to be connected to the bolt (42). The fixing plate (41) is provided with a reserved slot (413) corresponding to the limiting frame (111).

5. A motor rotor lamination according to claim 4, characterized in that, it further includes... include: Washer (5), wherein the washer (5) is provided with a through hole (51); The connecting post (412) passes through the through hole (51) and is connected to the bolt (42).

6. A motor rotor lamination according to claim 5, characterized in that, it further includes... include: The first air slot (61) is disposed on the body (1), and the multiple first air slots (61) are connected after the multiple bodies (1) are assembled. The fixing plate (41) is provided with a second air groove (62) corresponding to the first air groove (61).

7. A motor rotor lamination according to claim 6, characterized in that, The body (1) is magnetic.

8. A motor rotor lamination according to claim 7, characterized in that, it further... include: The first keyway (71) is disposed on the wall surface of the first shaft hole (13); Among them, after the multiple bodies (1) are assembled, the multiple first keyways (71) overlap together; The fixing plate (41) is provided with a second keyway (72) corresponding to the first keyway (71).

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