Stator and rotor assembly tool for permanent magnet large motor

Abstract

The utility model relates to the technical field of motor assembly, in particular to a permanent magnet large motor stator and rotor assembly tool which comprises a numerical control lathe, a stator fixing flange, a cutter bar and a rotor hoisting tool. A chuck and a turret are arranged at the two ends of the numerical control lathe respectively. The stator fixing flange is fixed on the chuck by a clamping jaw of the chuck; one end of the cutter bar is fixed on the turret, and the other end of the cutter bar is fixedly connected with the rotor hoisting tool. Rapid assembly of the stator and the rotor can be realized, and damage caused by adsorption of the stator and the rotor in the assembly process is avoided.

Description

Technical Field

[0001] The present disclosure relates to the technical field of motor assembly, and in particular to a permanent magnet large motor stator and rotor assembly tool. Background Art

[0002] A permanent magnet motor is an electric motor that uses permanent magnets to generate a motor magnetic field. It includes a stator assembly and a rotor assembly. The stator assembly includes a stator and a motor housing. The stator is fixed to the motor housing. The rotor assembly includes a rotor yoke and permanent magnets. During the stator and rotor assembly process of this type of motor, due to the strong magnetic force between the stator and rotor, the stator and rotor are easily adsorbed, resulting in damage to the magnetic steel or safety hazards, which seriously affects the assembly efficiency of the motor. Summary of the invention

[0003] The present disclosure is proposed in view of the above problems. The present disclosure provides a permanent magnet large motor stator and rotor assembly tool.

[0004] According to one aspect of the present disclosure, a permanent magnet large motor stator and rotor assembly tool is provided, which includes a CNC lathe, a stator fixing flange, a tool bar and a rotor hoisting tool;

[0005] A chuck and a turret tool rest are respectively provided at both ends of the CNC lathe;

[0006] The stator fixing flange is fixed on the chuck by the claws of the chuck; one end of the tool rod is fixed on the turret tool holder, and the other end is fixedly connected to the rotor lifting tool.

[0007] In addition, the permanent magnet large motor stator and rotor assembly tool according to one aspect of the present disclosure further includes: the rotor lifting tool is detachably connected to the tool rod.

[0008] According to one aspect of the present disclosure, the permanent magnet large motor stator and rotor assembly tool also includes: the rotor lifting tool includes a connecting head, a connecting rod, a first clamping plate and a second clamping plate; one end of the connecting head is fixedly connected to the connecting rod, and the other end is fixedly connected to the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are arranged opposite to each other, and a reserved gap and a rotor accommodating groove are formed between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are connected by fastening screws; the connecting rod is inserted in the tool rod.

[0009] The permanent magnet large motor stator and rotor assembly tool according to one aspect of the present disclosure further includes: a first screw hole is also opened on the connecting head, and the first screw hole is connected to the rotor accommodating groove.

[0010] According to one aspect of the present disclosure, the permanent magnet large motor stator and rotor assembly tool also includes: one end of the tool rod is provided with a mounting hole that cooperates with the connecting rod, and the outer periphery of the other end of the tool rod has two mating surfaces that cooperate with the clamping surface of the turret tool holder, and the two mating surfaces are parallel.

[0011] The permanent magnet large motor stator and rotor assembly tool according to one aspect of the present disclosure further includes: the first clamping plate and the second clamping plate are both arc-shaped plates.

[0012] The permanent magnet large motor stator and rotor assembly tool according to one aspect of the present disclosure also includes: a notch is opened on the first clamping plate, and the fastening screw is located at the notch.

[0013] According to one aspect of the present disclosure, the permanent magnet large motor stator and rotor assembly tool also includes: the stator fixing flange includes a boss and a fixing plate fixedly connected to the boss; the boss is provided with a center hole for avoiding the rotor assembly; the claws of the chuck are used to fix the boss; the fixing plate is fixedly connected to the housing of the stator assembly by screws.

[0014] The permanent magnet large motor stator and rotor assembly tool according to one aspect of the present disclosure further includes: the chuck is a three-jaw chuck.

[0015] As will be described in detail below, according to a permanent magnet large motor stator and rotor assembly tooling of an embodiment of the present disclosure, the rapid assembly of the stator and rotor can be achieved through the cooperation of a CNC lathe, a stator fixing flange, a tool rod and a rotor lifting tooling, thereby avoiding damage caused by the adsorption of the stator and rotor during the assembly process; stators and rotors of different sizes can be assembled, and the adaptability is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and other purposes, features and advantages of the present disclosure will become more apparent by describing the embodiments of the present disclosure in more detail in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present disclosure and constitute a part of the specification. Together with the embodiments of the present disclosure, they are used to explain the present disclosure and do not constitute a limitation of the present disclosure. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0017] Figure 1 It is a schematic diagram of the working state of a permanent magnet large motor stator and rotor assembly tooling proposed in the present disclosure.

[0018] Figure 2 It is a structural schematic diagram of the rotor lifting tooling.

[0019] Figure 3 It is a structural schematic diagram of the rotor lifting tooling from another perspective.

[0020] Figure 4 It is a structural schematic diagram of the stator fixing flange.

[0021] Figure 5 yes Figure 4 Top view of the .

[0022] Figure 6 It is a schematic diagram of the structure of the tool bar.

[0023] Figure 7 It is a schematic diagram of the structure of the tool bar from another perspective.

[0024] Description of reference numerals:

[0025] 1-CNC lathe, 2-stator fixing flange, 3-tool bar, 4-rotor lifting tool, 5-chuck, 51-claw, 6-turret tool holder, 41-connecting head, 42-connecting rod, 43-first clamping plate, 44-second clamping plate, 45-reserved gap, 46-rotor accommodating groove, 47-fastening screw, 48-notch, 410-first screw hole, 31-mounting hole, 32-matching surface, 21-boss, 22-fixing plate, 23-center hole, 7-stator assembly, 8-rotor assembly. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present disclosure more obvious, the exemplary embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure, and it should be understood that the present disclosure is not limited to the exemplary embodiments described here.

[0027] Embodiments of the present disclosure: Figure 1-Figure 7 As shown, the present disclosure proposes a permanent magnet large motor stator and rotor assembly tool, which includes a CNC lathe 1, a stator fixing flange 2, a tool rod 3 and a rotor lifting tool 4; the stator fixing flange 2 is used to fix the stator assembly 7, and the rotor lifting tool 4 is used to be fixedly connected to the rotor assembly 8.

[0028] A chuck 5 and a turret tool holder 6 are respectively provided at both ends of the CNC lathe 1; the turret tool holder 6 can move along the X-axis, Y-axis and Z-axis directions on the CNC lathe 1, the X-axis is the axial direction of the chuck 5, the Y-axis is the axial direction perpendicular to the chuck 5 in the horizontal plane, and the Z-axis is the vertical direction.

[0029] The stator fixing flange 2 is fixed on the chuck 5 by the claws 51 of the chuck 5, and the claws 51 of the chuck 5 can simultaneously approach or move away from the center of the chuck 5, and are used to clamp the stator fixing flange 2 or loosen the stator fixing flange 2, and can clamp stator assemblies 7 of different sizes; one end of the tool bar 3 is fixed on the turret tool holder 6, and the other end is fixedly connected to the rotor lifting fixture 4. Specifically, the turret tool holder 6 fixes the tool bar 3 with screws, the tool bar 3 faces the stator fixing flange 2, and the rotor lifting fixture 4 is fixed to the end of the tool bar 3 close to the stator fixing flange 2.

[0030] The specific clamping steps are: the chuck 5 of the CNC lathe 1 is clamped on the stator fixing flange 2, the shell of the stator assembly 7 is fixed on the stator fixing flange 2 by screws, the turret tool holder 6 clamps the tool rod 3, the rotor of the rotor assembly 8 is installed on the rotor lifting fixture 4, the rotor lifting fixture 4 is installed on the tool rod 3, the turret tool holder 6 of the CNC lathe 1 is shaken to a position opposite to the center of the chuck 5, and the X-axis is shaken to install the rotor assembly 8 into the stator assembly 7. The assembly data can be observed through the display of the CNC lathe 1. After the rotor assembly 8 is installed, it can be removed.

[0031] In order to facilitate replacement of rotor hoisting fixtures 4 of different sizes to meet the installation requirements of rotors of multiple sizes, the rotor hoisting fixture 4 is detachably connected to the cutter bar 3 .

[0032] See also Figure 2-Figure 3 As shown, the rotor hoisting tool 4 includes a connector 41, a connecting rod 42, a first clamping plate 43 and a second clamping plate 44; one end of the connector 41 is fixedly connected to the connecting rod 42 by welding, and the connector 41 and the connecting rod 42 can also be integrally formed. The other end of the connector 41 is fixedly connected to the first clamping plate 43 and the second clamping plate 44; the first clamping plate 43 and the second clamping plate 44 are arranged opposite to each other, and a reserved gap 45 and a rotor receiving groove 46 are formed between the first clamping plate 43 and the second clamping plate 44. The setting of the reserved gap 45 can facilitate the insertion of the rotor of the rotor assembly 8 into the rotor receiving groove 46 of the rotor hoisting tool 4, and the center line of the rotor receiving groove 46 coincides with the axis of the connector 41. The first clamping plate 43 and the second clamping plate 44 are connected by a fastening screw 47, which is an ordinary screw. The fastening screw 47 can lock the rotor of the rotor assembly 8 in the rotor receiving groove 46. Specifically, the first clamping plate 43 and the second clamping plate 44 are connected by two fastening screws 47, and the rotor receiving groove 46 is located between the two fastening screws 47. As an implementation method, the first clamping plate 43 and the second clamping plate 44 are both arc-shaped plates, and the first clamping plate 43 and the second clamping plate 44 form a cylindrical structure. The rotor receiving groove 46 is surrounded by the first clamping plate 43 and the second clamping plate 44; a notch 48 is opened on the first clamping plate 43, and the fastening screw 47 is located at the notch 48. The fastening screw 47 is perpendicular to a surface of the notch 48. When the fastening screw 47 connects the first clamping plate 43 and the second clamping plate 44 together, the head of the fastening screw 47 can be pressed against this surface, thereby improving the locking firmness of the fastening screw 47.

[0033] refer to Figure 6-Figure 7As shown, the connecting rod 42 is inserted into the tool rod 3. As an implementation method, one end of the tool rod 3 is provided with a mounting hole 31 that cooperates with the connecting rod 42. This arrangement makes it convenient to remove the rotor lifting tool 4 from the tool rod 3; the outer periphery of the other end of the tool rod 3 has two mating surfaces 32, and the two mating surfaces 32 are parallel. The two mating surfaces 32 cooperate with the clamping surfaces of the turret tool holder 6, so as to facilitate the turret tool holder 6 to fix the tool rod 3.

[0034] In order to further improve the connection strength between the rotor hoisting tool 4 and the rotor assembly 8, the following measures are also adopted: Figure 3 As shown, the connector 41 is also provided with a first screw hole 410, which is in communication with the rotor receiving groove 46. In specific implementation, the first screw hole 410 can be provided at one end of the connector 41 close to the connecting rod 42, and there are multiple first screw holes 410, which are evenly distributed along the circumferential direction of the connecting rod 42. Here, six first screw holes 410 are provided as an example, and the six first screw holes 410 are evenly distributed along the circumferential direction of the connecting rod 42. The screws are passed through the first screw holes 410 to be fixedly connected to the rotor of the rotor assembly 8, thereby improving the connection strength between the rotor hoisting tool 4 and the rotor assembly 8.

[0035] As an implementation method, the stator fixing flange 2 includes a boss 21 and a fixing plate 22, and the boss 21 and the fixing plate 22 are connected by screws or the boss 21 and the fixing plate 22 are integrally formed; the claws 51 of the chuck 5 clamp the boss 21 to fix the stator fixing flange 2; the fixing plate 22 is fixedly connected to the shell of the stator assembly 7 by screws; a center hole 23 is provided on the stator fixing flange 2, and the center hole 23 is provided to avoid the rotor of the rotor assembly 8.

[0036] Furthermore, the chuck 5 can be a three-jaw chuck, a six-jaw chuck, etc.

[0037] The present invention can realize the rapid assembly of the stator and rotor, and avoid damage caused by adsorption of the stator and rotor during the assembly process. The chuck 5 is detachably connected to the stator fixing flange 2, the stator fixing flange 2 fixes different stator components, the rotor lifting tool 4 is detachably connected to the tool rod 3, and the rotor lifting tool 4 fixes different rotor components. The stator and rotor assembly tool of the present invention can install different stator components and different rotor components, thereby improving the adaptability of the tool.

[0038] In the above, a permanent magnet large motor stator and rotor assembly tooling according to an embodiment of the present disclosure is described with reference to the accompanying drawings. A CNC lathe 1, a stator fixing flange 2, a tool rod 3 and a rotor lifting tooling 4 are set; the chuck 5 of the CNC lathe 1 is clamped with the stator fixing flange 2, the shell of the stator assembly 7 is fixed on the stator fixing flange 2 by screws, the turret tool holder 6 is clamped with the tool rod 3, the rotor of the rotor assembly 8 is mounted on the rotor lifting tooling 4, the rotor lifting tooling 4 is mounted on the tool rod 3, the turret tool holder 6 of the CNC lathe 1 is shaken to a position directly opposite to the center of the chuck 5, the X-axis is shaken, so that the rotor assembly 8 is installed in the stator assembly 7, the assembly data can be observed through the display of the CNC lathe 1, after the rotor assembly 8 is installed, the tooling can be removed, the stator and rotor are quickly assembled, and the damage caused by the adsorption of the stator and rotor during the assembly process is avoided; stators and rotors of different sizes can be assembled, and the adaptability is wider.

[0039] The basic principles of the present disclosure are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present disclosure are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present disclosure. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, and are not limitations. The above details do not limit the present disclosure to the necessity of adopting the above specific details to be implemented.

[0040] The block diagrams of the devices, apparatuses, equipment, and systems involved in this disclosure are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagrams. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including," "comprising," "having," and the like are open words, referring to "including but not limited to," and can be used interchangeably therewith. The words "or" and "and" used herein refer to the words "and / or," and can be used interchangeably therewith, unless the context clearly indicates otherwise. The word "such as" used herein refers to the phrase "such as but not limited to," and can be used interchangeably therewith.

[0041] Additionally, as used herein, "or" used in a list of items beginning with "at least one" indicates a separate list, so that, for example, a list of "at least one of A, B, or C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the word "exemplary" does not mean that the example described is preferred or better than other examples.

[0042] It should also be noted that in the system and method of the present disclosure, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present disclosure.

[0043] Various changes, substitutions, and modifications of the techniques described herein may be made without departing from the teachings defined by the appended claims. Furthermore, the scope of the claims of the present disclosure is not limited to the specific aspects of the processes, machines, manufactures, compositions of events, means, methods, and actions described above. Currently existing or later to be developed processes, machines, manufactures, compositions of events, means, methods, or actions that perform substantially the same functions or achieve substantially the same results as the corresponding aspects described herein may be utilized. Thus, the appended claims include such processes, machines, manufactures, compositions of events, means, methods, or actions within their scope.

[0044] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0045] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present disclosure to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A permanent magnet large motor stator and rotor assembly tool, characterized in that: It comprises a numerically controlled lathe (1), a stator fixing flange (2), a tool bar (3) and a rotor lifting tool (4); A chuck (5) and a turret tool rest (6) are respectively provided at both ends of the CNC lathe (1); The stator fixing flange (2) is fixed to the chuck (5) by the claws (51) of the chuck (5); one end of the tool rod (3) is fixed to the turret tool holder (6), and the other end is fixedly connected to the rotor lifting tool (4).

2. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 1, characterized in that: The rotor hoisting tool (4) is detachably connected to the knife rod (3).

3. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 2, characterized in that: The rotor lifting tool (4) comprises a connecting head (41), a connecting rod (42), a first clamping plate (43) and a second clamping plate (44); one end of the connecting head (41) is fixedly connected to the connecting rod (42), and the other end is fixedly connected to the first clamping plate (43) and the second clamping plate (44); the first clamping plate (43) and the second clamping plate (44) are arranged opposite to each other, and a reserved gap (45) and a rotor accommodating groove (46) are formed between the first clamping plate (43) and the second clamping plate (44), and the first clamping plate (43) and the second clamping plate (44) are connected by a fastening screw (47); the connecting rod (42) is inserted into the knife rod (3).

4. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 3, characterized in that: The connecting head (41) is also provided with a first screw hole (410), and the first screw hole (410) is communicated with the rotor accommodating groove (46).

5. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 3, characterized in that: One end of the tool rod (3) is provided with a mounting hole (31) that cooperates with the connecting rod (42), and the outer periphery of the other end of the tool rod (3) has two matching surfaces (32) that cooperate with the clamping surface of the turret tool holder (6), and the two matching surfaces (32) are parallel.

6. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 3, characterized in that: The first clamping plate (43) and the second clamping plate (44) are both arc-shaped plates.

7. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 6, characterized in that: The first clamping plate (43) is provided with a notch (48), and the fastening screw (47) is located at the notch (48).

8. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 1, characterized in that: The stator fixing flange (2) comprises a boss (21) and a fixing plate (22) fixedly connected to the boss (21); the boss (21) is provided with a center hole (23) for avoiding the rotor assembly (8); the claw (51) of the chuck (5) is used to fix the boss (21); the fixing plate (22) is fixedly connected to the housing of the stator assembly (7) by screws.

9. The permanent magnet large motor stator and rotor assembly tool as claimed in claim 1, characterized in that: The chuck (5) is a three-jaw chuck.

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