Stator welding tool

Abstract

The utility model discloses a stator welding tool, which comprises a lower bottom plate, the mounting shaft is detachably arranged on the lower bottom plate; the mounting shaft is sleeved with the lower base plate, and the lower base plate is arranged above the lower bottom plate in an attached mode; the upper base plate is arranged on the mounting shaft in a sleeving mode, a clamping area is formed between the upper base plate and the lower base plate, and the clamping area is used for clamping the stator piece arranged on the mounting shaft in a sleeving mode. The device can be adaptively adjusted according to the thickness of the stator, and is suitable for welding of stators with different thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of stator core production, in particular to a stator welding tool. Background Art

[0002] The stator core is an important component of the motor magnetic circuit. Its main part is composed of stacked stator sheets, which usually need to be formed after welding. The current welding tooling, such as the special welding tooling disclosed in Patent No. CN113965032A, which can prevent the stator stack from deflecting, includes a tooling cover plate and a tooling bottom plate. The tooling cover plate is connected to the clamping device. A stator core is arranged between the tooling cover plate and the tooling bottom plate. The stator core is composed of a plurality of stator stacks. The front and back sides of the stator stacks are respectively provided with a plurality of matching bosses and grooves, and a plurality of evenly distributed limit rods are arranged around the stator core. One end of the limit rod is provided with a rod cap, and the other end of the limit rod passes through the limit hole of the tooling cover plate and is clamped in the limit groove of the tooling bottom plate.

[0003] The thickness of the stator for this type of tooling is fixed and cannot be adjusted according to the thickness of the stator. In addition, the assembly process of the tooling is inconvenient and cannot provide effective guidance, which is a disadvantage. Utility Model Content

[0004] The utility model aims to avoid the shortcomings of the prior art and provides a stator welding tool that is easy to use.

[0005] The utility model solves the technical problem by adopting the following technical solution: a stator welding tool, comprising:

[0006] Click the bottom plate;

[0007] A mounting shaft detachably disposed on the lower base plate;

[0008] A set of lower pads arranged on the mounting shaft, wherein the lower pads are arranged on top of the lower base plate;

[0009] An upper pad is arranged on the installation shaft, and a clamping area is formed between the upper pad and the lower pad, and the clamping area is used to clamp the stator sheet sleeved on the installation shaft.

[0010] In several embodiments, a plurality of connection grooves are arranged around the installation shaft, the connection grooves extend along the axial direction of the installation shaft, guide blocks are arranged in the connection grooves, and the guide blocks partially protrude to the outside of the installation shaft.

[0011] In several embodiments, the lower pad and the upper pad are both provided with a through hole, the through hole is for the installation shaft to pass through, and a plurality of guide grooves are provided on the inner wall of the through hole, and the guide block can move along the guide grooves.

[0012] In several embodiments, a plurality of first slots are arranged around the lower base plate, a plurality of second slots are arranged around the lower pad, a plurality of third slots are arranged around the upper pad, and the positions of the first slots, the second slots and the third slots correspond to each other.

[0013] In several embodiments, a plurality of first mounting holes are provided on the lower base plate, a plurality of second mounting holes are provided at the bottom of the mounting shaft, and the lower base plate and the mounting shaft are connected by a locking member, and the locking member is used to penetrate the first mounting hole and the second mounting hole.

[0014] In several embodiments, the lower base plate is provided with a plurality of first limiting holes, the first limiting holes are arranged around the outside of the first mounting hole, the lower pad is provided with a plurality of second limiting holes, and the upper pad is provided with a plurality of third limiting holes.

[0015] In several embodiments, a limiting shaft is further included, and the limiting shaft is used to penetrate the third limiting hole, the second limiting hole and the first limiting hole. The limiting shaft is arranged parallel to the installation shaft, and there is a gap between the limiting shaft and the installation shaft.

[0016] The beneficial effects of the utility model are:

[0017] The utility model can be adaptively adjusted according to the thickness of the stator and is suitable for welding stators of different thicknesses.

[0018] The utility model enables the upper pad and the lower pad to maintain vertical movement during installation through the cooperation of the guide block and the guide groove, thereby avoiding damage to the stator and ensuring accurate installation positions of the upper pad and the lower pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0020] Figure 1 The overall structure of the stator welding tool in Example 1 is schematically shown;

[0021] Figure 2 Schematically shows Figure 1 The top view structure of the midsole plate;

[0022] Figure 3 Schematically shows Figure 1 The top view structure of the middle and lower pads;

[0023] Figure 4 Schematically shows Figure 1 The top view structure of the middle and upper pad;

[0024] Figure 5 Schematically shows Figure 1 Top view of the central mounting shaft. DETAILED DESCRIPTION

[0025] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figure 1-Figure 5 As shown, the stator welding tool provided in this embodiment is mainly used to clamp the stator for subsequent welding processes, and is mainly composed of a lower base plate 10, a mounting shaft 20 detachably arranged on the lower base plate 10, a lower pad 30 sleeved on the mounting shaft 20, an upper pad 40 sleeved on the mounting shaft 20, and a limiting shaft 50 penetrating the upper pad 40, the lower pad 30 and the lower base plate 10. A clamping area is formed between the upper pad 40 and the lower pad 30, and the clamping area is used to clamp the stator sheet sleeved on the mounting shaft 20.

[0029] The lower pad 30 is arranged in a close fit above the lower base plate 10 .

[0030] Specifically, a plurality of connecting grooves are provided around the installation shaft 20, and the connecting grooves extend along the axial direction of the installation shaft 20. A guide block 22 is provided in the connecting groove, and a portion of the guide block 22 protrudes to the outside of the installation shaft 20. The portion of the guide block 22 located in the connecting groove is generally in the shape of a triangular prism, and the portion located outside the connecting groove is generally in the shape of a strip. Correspondingly, a through hole 31 is provided on the lower pad 30 and the upper pad 40, and the through hole 31 is for the installation shaft 20 to pass through. A plurality of guide grooves 32 are provided on the inner wall of the through hole 31, and the guide block 22 can move along the guide groove 32.

[0031] At the same time, the position of the guide block 22 just corresponds to the groove on the outer edge of the stator sheet, which does not affect the insertion of the stator sheet and can also position it.

[0032] In addition, a plurality of first grooves 11 are arranged around the lower base plate 10, a plurality of second grooves 33 are arranged around the lower pad 30, and a plurality of third grooves 41 are arranged around the upper pad 40. The positions of the first grooves 11, the second grooves 33 and the third grooves 41 correspond to each other. The positions of the first grooves 11, the second grooves 33 and the third grooves 41 can be used to guide the welding position, that is, they are on the same straight line as the welding position.

[0033] In addition, a plurality of first mounting holes 12 are provided on the lower base plate 10, and a plurality of second mounting holes 23 are provided at the bottom of the mounting shaft 20. The lower base plate 10 and the mounting shaft 20 are connected via a locking member, and the locking member is used to penetrate the first mounting hole 12 and the second mounting hole 23. The locking member can be a bolt to fix the lower base plate 10 and the mounting shaft 20.

[0034] In addition, a plurality of first limiting holes 13 are arranged on the lower base plate 10, and the first limiting holes 13 are arranged around the outside of the first mounting hole 12. A plurality of second limiting holes 34 are arranged on the lower pad 30, and a plurality of third limiting holes 42 are arranged on the upper pad 40. The limiting shaft 50 is used to penetrate the third limiting hole 42, the second limiting hole 34 and the first limiting hole 13. The limiting shaft 50 is arranged parallel to the mounting shaft 20, and there is a gap between the limiting shaft 50 and the mounting shaft 20. The limiting shaft 50 adopts a stud structure here. After the limiting shaft 50 is installed, a nut is screwed into the upper end of the upper pad 40 for locking and fixing.

[0035] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.

[0036] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.

Claims

1. A stator welding tool, characterized in that: include: A lower bottom plate (10); A mounting shaft (20) detachably disposed on the lower base plate (10); A set of lower pads (30) arranged on the mounting shaft (20), the lower pads (30) being arranged in close contact with the top of the lower base plate (10); and an upper pad (40) arranged on the mounting shaft (20), a clamping area being formed between the upper pad (40) and the lower pad (30), the clamping area being used to clamp a stator sheet sleeved on the mounting shaft (20).

2. A stator welding tool according to claim 1, characterized in that: A plurality of connection grooves are arranged around the installation shaft (20), the connection grooves extending along the axial direction of the installation shaft (20), guide blocks (22) are arranged in the connection grooves, and a portion of the guide blocks (22) protrudes to the outside of the installation shaft (20).

3. A stator welding tool according to claim 2, characterized in that: The lower pad (30) and the upper pad (40) are both provided with a through hole (31), the through hole (31) is for the installation shaft (20) to pass through, and the inner wall of the through hole (31) is provided with a plurality of guide grooves (32), and the guide block (22) can move along the guide grooves (32).

4. The stator welding tool according to claim 1, characterized in that: The lower base plate (10) is provided with a plurality of first grooves (11) around its periphery, the lower pad (30) is provided with a plurality of second grooves (33) around its periphery, and the upper pad (40) is provided with a plurality of third grooves (41) around its periphery, wherein the positions of the first grooves (11), the second grooves (33) and the third grooves (41) correspond to each other.

5. The stator welding tool according to claim 1, characterized in that: The lower base plate (10) is provided with a plurality of first mounting holes (12), and the bottom of the mounting shaft (20) is provided with a plurality of second mounting holes (23). The lower base plate (10) and the mounting shaft (20) are connected via a locking member, and the locking member is used to penetrate the first mounting hole (12) and the second mounting hole (23).

6. The stator welding tool according to claim 1, characterized in that: The lower base plate (10) is provided with a plurality of first limiting holes (13), the first limiting holes (13) being arranged around the outside of the first mounting hole (12), the lower pad (30) is provided with a plurality of second limiting holes (34), and the upper pad (40) is provided with a plurality of third limiting holes (42).

7. The stator welding tool according to claim 6, characterized in that: It also includes a limiting shaft (50), which is used to penetrate the third limiting hole (42), the second limiting hole (34) and the first limiting hole (13), and the limiting shaft (50) is arranged parallel to the installation shaft (20), and there is a gap between the limiting shaft (50) and the installation shaft (20).

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