CN219394645U - Permanent magnet inserting tool for medium and large permanent magnet motor - Google Patents

Abstract

The utility model belongs to the technical field of motor manufacturing, and particularly relates to a permanent magnet inserting tool for a medium-and-large-sized permanent magnet motor, which comprises a permanent magnet guide sleeve, wherein the permanent magnet guide sleeve is L-shaped and faces towards a rotor core, the permanent magnet guide sleeve is provided with a guide groove for a permanent magnet to pass through, the guide groove is matched with the rotor groove, and both end surfaces of the permanent magnet guide sleeve are provided with bolt holes; the utility model also comprises an adjusting bolt for fixedly mounting the permanent magnet guide sleeve and a propelling plate for assisting in propelling the permanent magnet.

Description

Permanent magnet inserting tool for medium and large permanent magnet motor

Technical Field

The utility model belongs to the technical field of motor manufacturing, and particularly relates to a permanent magnet inserting tool for a medium-sized and large-sized permanent magnet motor.

Background

With the increasing demand of society for energy saving, permanent magnet motors are replacing asynchronous motors in the market continuously with ultra-high efficiency and wide speed regulation range, and the power and the volume of the permanent magnet motors are also increasing continuously. In the motor assembly process, the large and medium-sized permanent magnet motor has a large number of permanent magnets and large volume, and the permanent magnets are embedded and cannot be magnetized after being inserted. The strong magnetic attraction exists between the magnetized permanent magnet and the iron core, the permanent magnet is easy to damage in the inserting process, tiny fragments generated after damage are difficult to clear, and the space in a rotor groove can be occupied, so that the subsequent permanent magnet cannot be installed in place. The permanent magnets in the prior art are inserted with two types, one type is that the mechanical arm completes automatic insertion, the mechanical arm insertion efficiency is high, the yield is high, but the equipment investment in the earlier stage is large, and the device is suitable for mass production. The other is to use manual insertion of the tool, which is mainly used for manual insertion on a small-batch product line, and has higher requirements on the proficiency of workers, low production efficiency and certain probability of damaging the permanent magnet to generate loss. Aiming at the difficulty of manual permanent magnet insertion, the prior tool is improved, and the tool for permanent magnet insertion of a medium-sized and large-sized permanent magnet motor is provided.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a middle-large permanent magnet motor permanent magnet inserting tool which is used for solving the problems of low installation efficiency and inconvenient installation in the process of manually installing permanent magnets.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the permanent magnet inserting tooling of the medium-large permanent magnet motor is used for manually installing a permanent magnet in a rotor groove of a rotor core and comprises a permanent magnet guide sleeve, wherein the permanent magnet guide sleeve is L-shaped and faces the rotor core, the permanent magnet guide sleeve is provided with a guide groove for the permanent magnet to pass through, the guide groove is matched with the rotor groove, and both end surfaces of the permanent magnet guide sleeve are provided with bolt holes;

the device also comprises an adjusting bolt for fixedly mounting the permanent magnet guide sleeve and a propulsion plate for assisting in propelling the permanent magnet.

Further, the rotor core structure further comprises a pressing disc, wherein the pressing disc is arranged at one end of the rotor core, and a through hole for installation and fixation is formed in the pressing disc.

Further, the rotor core further comprises a tension bolt, a tension disc and a spring pad nut, wherein the tension disc is arranged at the other end of the rotor core.

Further, the device also comprises a jacking screw rod, and the jacking screw rod passes through the compression disc and is connected with the pushing plate.

When the permanent magnet guide sleeve is specifically used, the permanent magnet guide part is firstly arranged on the pressing ring of the rotor core, the adjusting bolt is screwed, and the guide groove of the permanent magnet guide sleeve is aligned with the rotor groove of the rotor core. And then installing a permanent magnet compressing disc, wherein the other end of the rotor core is installed through the cooperation of a tension bolt, the tension disc and a spring pad nut, so that a screw hole of the compressing disc is approximately aligned with a rotor groove, a permanent magnet penetrates through a guide groove to be inserted into the rotor groove, the permanent magnet is pushed into the bottom of the rotor groove by a pushing plate, and the permanent magnet is sequentially embedded into the rotor groove. Because the number of the permanent magnets is large, the two sides of the rest permanent magnets in each groove are coated with adhesive and then penetrate into the rotor groove, and then the pressing screw rod is required to penetrate through the pressing disc, so that the pressing screw rod pushes the pushing plate (the follow-up permanent magnets cannot be pushed manually), and after the last permanent magnet is inserted, the pressing screw rod keeps pressure until the adhesive is solidified, so that the whole installation can be completed.

Compared with the prior art, the utility model has the following beneficial effects: through the design including permanent magnet uide bushing, compress tightly dish and advancing board including permanent magnet cartridge frock, auxiliary workman carries out, and large-scale permanent magnet motor in the manual installation avoids the cracked of permanent magnet in the cartridge in-process and the scratch of surface coating, improves cartridge efficiency, reduces frock dismouting number of times.

Drawings

Fig. 1 is a schematic perspective view (view angle one) of an embodiment of a permanent magnet inserting tool for a large permanent magnet motor in the utility model;

fig. 2 is a schematic perspective view (view angle two) of an embodiment of a permanent magnet inserting tool for a large permanent magnet motor according to the present utility model;

fig. 3 is a schematic perspective view (view angle three) of a cleaning table removed in an embodiment of a permanent magnet inserting tool for a large permanent magnet motor according to the present utility model;

reference numerals in the drawings of the specification include:

the device comprises a jacking screw 1, a compression disc 2, a pushing plate 3, a permanent magnet guide sleeve 4, a guide groove 401, an adjusting bolt 5, a rotor core 6, a rotor groove 601, a tension bolt 7, a tension disc 8, a spring pad nut 9 and a permanent magnet 10.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

as shown in fig. 1-3, the present utility model. Specifically, the permanent magnet inserting tool of the medium-large permanent magnet motor is used for manually installing a permanent magnet 10 in a rotor groove 601 of a rotor core 6 and comprises a permanent magnet guide sleeve 4, wherein the permanent magnet guide sleeve 4 is L-shaped and faces the rotor core 6, the permanent magnet guide sleeve 4 is provided with a guide groove 401 for the permanent magnet 10 to pass through, the guide groove 401 is matched with the rotor groove 601, and both end surfaces of the permanent magnet guide sleeve 4 are provided with bolt holes; the tool also comprises an adjusting bolt 5 for fixedly mounting the permanent magnet guide sleeve 4 and a propulsion plate 3 for assisting in propelling the permanent magnet 10; the rotor core is characterized by further comprising a pressing disc 2, wherein the pressing disc 2 is arranged at one end of the rotor core 6, and a through hole for installation and fixation is formed in the pressing disc 2; the novel rotor iron core is characterized by further comprising a tension bolt 7, a tension disc 8 and a spring pad nut 9, wherein the tension disc 8 is arranged at the other end of the rotor iron core 6. The device also comprises a jacking screw 1, wherein the jacking screw 1 passes through the compression plate 2 and is connected with the pushing plate 3.

In specific use, the guide part of the permanent magnet 10 is firstly mounted on the pressing ring of the rotor core 6, the adjusting bolt 5 is screwed down, and the guide groove 401 of the permanent magnet guide sleeve 4 is aligned with the rotor groove 601 of the rotor core 6. And then the permanent magnet compressing disc 2 is installed, the other end of the rotor core 6 is installed through the matching of the tension bolt 7, the tension disc 8 and the spring pad nut 9, the screw hole of the compressing disc 2 is approximately aligned with the rotor groove 601, the permanent magnet 10 is inserted into the rotor groove 601 from the guide groove 401 in a penetrating way, the permanent magnet 10 is pushed into the bottom of the rotor groove 601 by the pushing plate 3, and the permanent magnet 10 is sequentially embedded into the rotor groove 601. Because the number of the permanent magnets 10 is large, the two sides of the rest permanent magnets 10 in each groove are coated with adhesive and then penetrate into the rotor groove 601, the follow-up permanent magnets cannot be manually pushed through the pressing disc 2 by using the tightening screw 1, the tightening screw 1 pushes the pushing plate 3, and after the last permanent magnet is inserted, the tightening screw 1 keeps pressure until the adhesive is solidified, so that the whole installation can be completed. The depth of the guide groove 401 can be increased, and the worker does not need to hold the permanent magnet for a safe distance exceeding the magnetic attraction during the operation.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (4)

1. The utility model provides a middle-size and large-size permanent magnet motor permanent magnet cartridge frock for install permanent magnet (10) in rotor groove (601) of rotor core (6) by hand, its characterized in that: the permanent magnet guide sleeve (4) is L-shaped and faces the rotor core (6), the permanent magnet guide sleeve (4) is provided with a guide groove (401) for a permanent magnet (10) to pass through, the guide groove (401) is matched with the rotor groove (601), and both end faces of the permanent magnet guide sleeve (4) are provided with bolt holes;

the device also comprises an adjusting bolt (5) for fixedly mounting the permanent magnet guide sleeve (4) and a pushing plate (3) for assisting in pushing the permanent magnet (10).

2. The middle-large permanent magnet motor permanent magnet inserting tool according to claim 1, wherein: still include and compress tightly dish (2), compress tightly the one end that dish (2) set up in rotor core (6), be equipped with the through-hole that is used for the installation fixed on compressing tightly dish (2).

3. The middle-large permanent magnet motor permanent magnet inserting tool according to claim 2, wherein: the novel rotor iron core is characterized by further comprising a tension bolt (7), a tension disc (8) and a spring pad nut (9), wherein the tension disc (8) is arranged at the other end of the rotor iron core (6).

4. The medium-and-large-sized permanent magnet motor permanent magnet inserting tool as set forth in claim 3, wherein: the device further comprises a jacking screw rod (1), wherein the jacking screw rod (1) penetrates through the pressing disc (2) and is connected with the pushing plate (3).