CN220761579U

CN220761579U - Rotor bearing press-fitting tool

Info

Publication number: CN220761579U
Application number: CN202322314148.XU
Authority: CN
Inventors: 李文玉; 陈延斌
Original assignee: Changzhou Wujin Asia Pacific Electrical And Mechanical Parts Co ltd
Current assignee: Changzhou Wujin Asia Pacific Electrical And Mechanical Parts Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-12
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of press mounting equipment, in particular to a rotor bearing press mounting tool which comprises a lower die plate, an upper die plate, a supporting component, a rotor seat and a plurality of guide posts, wherein the guide posts are fixedly connected with the lower die plate; the support component comprises a support plate and at least two support pieces, the support plate is in sliding connection with the guide posts, the support plate is located between the upper die plate and the lower die plate, grooves are formed in the support plate, a storage area for the placement of the rotor is formed in the area where the grooves are located, the support pieces are in adjustable connection with the support plate, the support pieces are used for being in contact with the rotor, the support pieces are distributed at intervals around the circumference of the rotor, the support pieces are in contact with the rotor through the arrangement of the support pieces of the support component, the rotor can be propped against when the rotor deflects, the rotor is prevented from shaking, and therefore the press-mounting effect of the bearing is guaranteed.

Description

Rotor bearing press-fitting tool

Technical Field

The utility model relates to the technical field of press mounting equipment, in particular to a rotor bearing press mounting tool.

Background

The motor consists of two parts, namely a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. In the motor assembly process, the bearing is installed on the motor rotor and is an important process for guaranteeing the service life and the operation noise of the motor, the existing bearing is installed in the rotor and is assembled in a pressed mode, a rotor seat used for placing the rotor only can be used for placing the rotor in the pressed mode, in order to avoid the compression damage of a winding group, a gap is reserved between the winding group and the rotor seat, a large amount of weight is concentrated in the middle of the rotor after the winding group and the rotor seat are placed in the pressed mode, the state of' weight is achieved, and in the pressed mode, after the pressed mode is applied to the top end of the rotor, shaking is easy to occur, and the pressed mode of the bearing on the rotor is affected.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the problem that in the prior art, after the pressure is applied to the top end of a rotor by a pressure mounting seat, shaking is easy to occur and the pressure mounting of a bearing on a shaft of the rotor is influenced, the pressure mounting tool for the rotor bearing is provided.

The technical scheme adopted for solving the technical problems is as follows: the rotor bearing press-fit tool comprises a lower die plate, an upper die plate, a supporting component, a rotor seat and a plurality of guide posts, wherein the guide posts are fixedly connected with the lower die plate;

the support component comprises a support plate and at least two support pieces, the support plate is in sliding connection with the guide posts, the support plate is located between the upper die plate and the lower die plate, grooves are formed in the support plate, a storage area for the placement of the rotor is formed in the area where the grooves are located, the support pieces are in adjustable connection with the support plate, the support pieces are used for being in contact with the rotor, the support pieces are distributed at intervals around the circumference of the rotor, the support pieces are in contact with the rotor through the arrangement of the support pieces of the support component, the rotor can be propped against when the rotor deflects, the rotor is prevented from shaking, and therefore the press-mounting effect of the bearing is guaranteed.

In order to solve the problem how the support piece is fixed and adjusted, the support assembly further comprises a plurality of locking pieces, the locking pieces and the support piece are in one-to-one correspondence, adjusting holes are formed in the support piece, the rod portions of the locking pieces penetrate through the adjusting holes and are in threaded connection with the support plate, and the head portions of the locking pieces abut against the support piece.

In order to solve the problem of how the support member is fixed and adjusted, the rotor further comprises a waist-shaped adjusting hole which extends along the radial direction of the rotor.

Further comprising a cavity for placing the shaft of the rotor on the rotor seat.

The upper die seat is arranged on the bottom surface of the upper die plate, and is provided with an avoidance hole for a bearing to be placed in a bearing cavity and for a shaft of a rotor to pass through.

Further includes a magnet 34 mounted in the recess 311 for attracting the rotor.

The beneficial effects of the utility model are as follows: according to the rotor bearing press-fitting tool provided by the utility model, through the arrangement of the supporting pieces of the supporting component, the supporting pieces are contacted with the rotor, so that the rotor can be propped against when the rotor is deviated, the rotor is prevented from shaking, and the press-fitting effect of the bearing is ensured.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic top view of the present utility model in semi-section.

In the figure: 1. the lower die plate, 2, the upper die plate, 21, the upper die holder, 211, the bearing cavity, 212, the avoidance hole, 3, the supporting component, 31, the supporting plate, 311, the groove, 312, the storage area, 32, the supporting piece, 321, the adjusting hole, 33, the locking piece, 34, the magnet, 4, the rotor seat, 41, the cavity, 5 and the guide pillar.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

As shown in fig. 1, which is a schematic structural diagram of the present utility model, a rotor bearing press-fit tool includes a lower die plate 1, an upper die plate 2, a support assembly 3, a rotor seat 4 and a plurality of guide posts 5, wherein the guide posts 5 are fixedly connected with the lower die plate 1, the rotor seat 4 is mounted on the lower die plate 1, the rotor seat 4 is used for placing a rotor, the upper die plate 2 is slidably connected with the guide posts 5, a through hole for the guide posts 5 to pass through is formed in the upper die plate 2, the upper die plate 2 can be connected with a driving member, and the driving member can be an air cylinder or an oil cylinder, so that the present application is not particularly limited, and the driving member is used for providing power for the movement of the upper die plate 2;

as shown in fig. 1, the rotor seat 4 has a cavity 41 for placing the shaft of the rotor, and the shaft of the rotor to be processed is placed in the cavity 41 when press-fitted.

An upper die holder 21 is mounted on the bottom surface of the upper die plate 2, and an avoidance hole 212 for a bearing to pass through is formed in the upper die holder 21, wherein the avoidance hole is used for a bearing to be placed in a bearing cavity 211 and a shaft of a rotor to pass through.

As shown in fig. 1 and 2, the support assembly 3 includes a support plate 31 and at least two support members 32, the support plate 31 is slidably connected with the guide post 5, the support plate 31 is provided with a through hole for the guide post 5 to pass through, the support plate 31 can be adjusted up and down along the guide post 5 and fixed at a certain height, the support plate 31 is located between the upper die plate 2 and the lower die plate 1, a groove 311 is formed in the support plate 31, a storage area 312 for placing a rotor is formed in the area where the groove 311 is located, the support members 32 are adjustably connected with the support plate 31, the support members 32 are used for contacting with the rotor, the support members 32 are distributed at intervals around the circumference of the rotor, the support members 32 are sliders, the support members 32 can also be slidably connected with the support plate 31, the support members 31 are provided with sliding rails, the support members 32 are provided with sliding grooves matched with the sliding rails, and the sliding rails are located in the sliding grooves.

The magnets 34 for attracting the rotor are installed in the grooves 311, and can provide attraction force for the rotor so that the rotor is biased toward the support 32, ensuring the supporting effect.

As shown in fig. 1 and 2, the support assembly 3 further includes a plurality of locking members 33, the locking members 33 are bolts, the locking members 33 are in one-to-one correspondence with the support members 32, the support members 32 are provided with adjusting holes 321, the rod portions of the locking members 33 pass through the adjusting holes 321 and are in threaded connection with the support plates 31, and when the support plates 31 and the support members 32 are fixed, the head portions of the locking members 33 abut against the support members 32.

The adjusting holes 321 are kidney-shaped holes, the adjusting holes 321 extend along the radial direction of the rotor, the kidney-shaped holes are flexible to adjust, and the adjusting holes 321 can also be a plurality of holes which are distributed at intervals, so that the stepped structure of the rotor which can be supported is realized.

In use, the shaft of the rotor to be machined is placed in the cavity 41, at this time the winding part of the rotor is located in the storage area 312, the support 32 is moved so that it contacts the winding part of the rotor, after the support 32 contacts the periphery of the winding part, the locking member 33 is rotated so that the head of the locking member 33 abuts against the support 32, the support 32 is clamped and fixed in cooperation with the support plate 31, the bearing is placed in the bearing cavity 211, the upper die plate 2 is lowered, and the bearing is press-fitted onto the shaft of the rotor.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The rotor bearing press-fit tool is characterized by comprising a lower die plate (1), an upper die plate (2), a supporting component (3), a rotor seat (4) and a plurality of guide posts (5), wherein the guide posts (5) are fixedly connected with the lower die plate (1), the rotor seat (4) is arranged on the lower die plate (1), the rotor seat (4) is used for accommodating a rotor, and the upper die plate (2) is in sliding connection with the guide posts (5);

the support assembly (3) comprises a support plate (31) and at least two support pieces (32), the support plate (31) is in sliding connection with the guide posts (5), the support plate (31) is located between the upper die plate (2) and the lower die plate (1), a groove (311) is formed in the support plate (31), a storage area (312) for a rotor to be placed is formed in an area where the groove (311) is located, the support pieces (32) are connected with the support plate (31) in an adjustable mode, the support pieces (32) are used for being in contact with the rotor, and the support pieces (32) are distributed at intervals around the circumference of the rotor.

2. The rotor bearing press-fit tooling of claim 1, wherein: the supporting component (3) further comprises a plurality of locking pieces (33), the locking pieces (33) and the supporting pieces (32) are in one-to-one correspondence, the supporting pieces (32) are provided with adjusting holes (321), the rod parts of the locking pieces (33) penetrate through the adjusting holes (321) and are in threaded connection with the supporting plates (31), and the head parts of the locking pieces (33) are propped against the supporting pieces (32).

3. The rotor bearing press-fit tooling of claim 2, wherein: the adjusting hole (321) is a kidney-shaped hole, and the adjusting hole (321) extends along the radial direction of the rotor.

4. The rotor bearing press-fit tooling of claim 1, wherein: the rotor seat (4) is provided with a cavity (41) for placing a shaft of a rotor.

5. The rotor bearing press-fit tooling of claim 1, wherein: an upper die holder (21) is arranged on the bottom surface of the upper die plate (2), and an avoidance hole (212) for allowing a bearing to pass through is formed in the upper die holder (21) and used for allowing a bearing to be placed in a bearing cavity (211).

6. The rotor bearing press-fit tooling of claim 1, wherein: a magnet (34) for attracting the rotor is installed in the groove (311).