CN219152058U

CN219152058U - Motor rotor bearing pressing-in device

Info

Publication number: CN219152058U
Application number: CN202223545484.7U
Authority: CN
Inventors: 肖汝锋; 于贺; 肖汝春; 潘立富
Original assignee: Luoyang Sufeng Spindle Technology Co ltd
Current assignee: Luoyang Sufeng Spindle Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the technical field of motor processing, and particularly relates to a motor rotor bearing pressing device which comprises a base, wherein an upright post is arranged on the upper surface of the base, a cross beam is arranged on the front side of the upright post, a cavity is arranged at the front end of the cross beam, a gear is rotationally connected in the cavity, one end of the gear is connected with a first hand wheel through a rotating shaft, a guide sleeve is arranged on the front side of the cross beam, a guide rod is slidingly connected with the guide sleeve, a rack meshed with the gear is arranged on the rear side of the guide rod, a pressing block is arranged at the bottom of the guide rod, a tool for placing a bearing is arranged below the pressing block, a supporting seat is arranged on the lower surface of the tool, and fixing assemblies are arranged on the front side and the rear side of the tool; according to the utility model, the stability of pressing in the rotor bearing can be improved through the arrangement of the gear and the rack, and the bearing fixture and the pressing block are ensured to be positioned at the same center through the arrangement of the fixed group, so that the bearing damage caused by inaccurate positioning when the rotor is pressed in the bearing is avoided, and the pressing quality of the rotor bearing is improved.

Description

Motor rotor bearing pressing-in device

Technical Field

The utility model relates to the technical field of motor processing, in particular to a motor rotor bearing pressing-in device.

Background

The motor is composed of a rotor and a stator, is a conversion device for realizing electric energy and mechanical energy and the electric energy, and is widely applied to the fields of industrial engineering, electric tools, household appliances and the like at present, wherein the motor rotor, namely a rotating part in the motor, can be divided into a motor rotor and a generator rotor. At present, in the process of installing a rotor on a bearing, a pressing-in type or a heating type is adopted, the heating type is required to be heated to 80-100 degrees, a certain production hidden trouble exists, and when the pressing-in type is adopted, the phenomenon that the bearing or the rotor is positioned inaccurately and is crushed often occurs, and the bearing or the rotor is damaged due to overlarge pressure, so that the product quality is influenced. Accordingly, the present utility model provides a motor rotor bearing press-in device to solve such problems.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a motor rotor bearing pressing-in device which can effectively solve the problems in the background art.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a motor rotor bearing press-in device, includes the base, the upper surface of base is provided with the stand, the front side of stand is provided with the crossbeam, the crossbeam front end is provided with the cavity, the rotation is connected with the gear in the cavity, gear one end links to each other with first hand wheel through the pivot, the crossbeam front side is provided with the uide bushing, uide bushing sliding connection has the guide bar, the guide bar rear side is provided with the rack with gear engagement, the guide bar bottom is provided with the briquetting, the below of briquetting is provided with the frock of placing the bearing, the lower surface of frock is provided with the supporting seat, both sides are provided with fixed subassembly around the frock.

Further, fixed subassembly mainly includes two-way lead screw, fixed plate and second hand wheel, the quantity of fixed plate is two, and sets up in the front and back of supporting seat respectively, is provided with two-way lead screw between two fixed plates, and two-way lead screw runs through the supporting seat and rotates with the supporting seat to be connected, and two-way lead screw front end runs through one of them fixed plate and links to each other with the second hand wheel, and two movable plates are fixed with through screw nut in the outside of two-way lead screw, are provided with the grip block of centre gripping frock between two movable plates.

Further, the movable plate is arranged between the supporting seat and the fixed plate, one side of the clamping plate, which is away from the movable plate, is arc-shaped, and the anti-skid plate is arranged on the arc-shaped surface.

Further, a mounting plate convenient for mounting gears is arranged on one side of the cross beam.

Further, a hole which is convenient for the guide rod and the rack to move is formed in the guide sleeve, and a groove which is convenient for installing the rack is formed in the rear side of the guide rod.

Further, the supporting seat mainly comprises a support and a supporting plate, wherein the support is fixed on the base, and the supporting plate is arranged on the upper surface of the support.

Further, the tool is cylindrical, a through hole is formed in the middle of the tool, and a second hole for accommodating the bearing is formed in the upper surface of the tool.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the stability of pressing in the rotor bearing can be improved through the arrangement of the gear and the rack, and the bearing fixture and the pressing block are ensured to be positioned at the same center through the arrangement of the fixed group, so that the bearing damage caused by inaccurate positioning when the rotor is pressed in the bearing is avoided, and the pressing quality of the rotor bearing is improved.

Drawings

FIG. 1 is a first structural view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is a second structural view of the present utility model.

Reference numerals: 1. a base; 2. a column; 3. a cross beam; 4. a beam mounting plate; 5. a guide sleeve; 6. a rack; 7. a gear; 8. a hand wheel; 9. a guide rod; 10. briquetting; 11. a tool; 12. a clamping plate; 13. a moving plate; 14. a two-way screw rod; 15. a fixing plate; 16. the second hand wheel; 17. a support; 18. a support plate; 19. and (3) mounting a plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-3, the motor rotor bearing pressing-in device comprises a base 1, wherein an upright post 2 is arranged on the upper surface of the base 1, a cross beam 3 is arranged on the front side of the upright post 2, a cavity is formed in the front end of the cross beam 3, a gear 7 is rotationally connected in the cavity, and one end of the gear 7 is connected with a first hand wheel 8 through a rotating shaft.

Specifically, a mounting plate 19 for conveniently mounting the gear 7 is arranged on one side of the cross beam 3, and a mounting plate 15 is correspondingly arranged with a cavity on the cross beam 3 and is fixed on the mounting plate 15 through bolts.

More specifically, the size of the cavity should be larger than the size of the gear 7 so that the gear 7 rotates in the cavity, and the mounting plate 15 is provided with bearings for facilitating rotation of the gear so that the gear can normally rotate when the fixing plate is mounted on the cross beam.

The front side of the cross beam 3 is provided with a guide sleeve 5, the guide sleeve 5 is connected with a guide rod 9 in a sliding manner, the rear side of the guide rod 9 is provided with a rack 6 meshed with the gear 7, and the bottom of the guide rod 9 is provided with a pressing block 10.

Specifically, the guide sleeve 5 is provided with a hole which is convenient for the guide rod 9 and the rack 6 to move, and the rear side of the guide rod 9 is provided with a groove which is convenient for installing the rack 6.

More specifically, the hole on the guide sleeve 5 extends backwards to the rear end of the guide sleeve 5 and is connected with the cavity on the cross beam 3, so that the rack 6 at the rear side of the guide rod 9 is meshed with the gear 7 in the cavity, when the rotor bearing needs to be pressed in, the first hand wheel 8 can be rotated to enable the gear 7 to rotate, and accordingly the rack 6 meshed with the gear 7 drives the guide rod 9 to move downwards along the hole on the guide sleeve 5, and the rotor is pressed in the bearing in the tool 11.

The below of briquetting 10 is provided with frock 11 of placing the bearing, and the lower surface of frock 11 is provided with the supporting seat, and the supporting seat mainly comprises support 17 and backup pad 18, and support 17 is fixed on base 1, and the upper surface of support 17 is provided with backup pad 18.

Specifically, frock 11 is cylindrically, and the through-hole has been seted up at the middle part of frock 11, through the setting of through-hole, when pressing into the bearing with the rotor, can hold the rotor, avoid rotor and frock 11 contact, make the rotor cause the damage, and the second hole that holds the bearing has been seted up to the upper surface of frock 11.

Specifically, the support 17 is provided with a hole which is convenient for the bi-directional screw 14 to pass through, and the size of the hole is larger than the maximum screw diameter of the bi-directional screw 14.

Further, both sides are provided with fixed subassembly around frock 11, fixed subassembly mainly includes two-way lead screw 14, fixed plate 15 and second hand wheel 16, the quantity of fixed plate 15 is two, and set up respectively in the front and back of supporting seat, be provided with two-way lead screw 14 between two fixed plates 15, two-way lead screw 14 runs through the supporting seat and rotates with the supporting seat to be connected, two-way lead screw 14 front end runs through one of them fixed plate 15 and links to each other with second hand wheel 16, the outside of two-way lead screw 14 is fixed with two movable plates 13 through the lead screw nut, be provided with the grip block 12 of centre gripping frock 11 between two movable plates 13.

By means of the arrangement, the second hand wheel 16 can be rotated, so that the bidirectional screw rod 14 drives the two moving plates 13 to be close to or far away from each other, the tool 11 is mounted or dismounted, the labor intensity of workers is reduced, and the pressing-in efficiency of the rotor bearing is improved.

Specifically, the movable plate 13 is disposed between the supporting seat and the fixed plate 15, one side of the clamping plate 12 facing away from the movable plate 13 is arc-shaped, and an anti-skid plate is disposed on the arc-shaped surface.

The working principle and the using flow of the utility model are as follows: when the tool 11 is used, the tool 11 is placed on the supporting plate 18, the second hand wheel 16 is rotated to enable the bidirectional screw rod 14 to rotate, so that the bidirectional screw rod 14 drives the two moving plates 13 and the clamping plate 12 to move towards the tool 11, the tool 11 is fixed on the supporting plate 18, then a bearing is placed on the tool 11, then a rotor is placed above the bearing by one hand, the gear 7 is rotated by rotating the first hand wheel 8 by the other hand, the rack 6 meshed with the gear 7 drives the guide rod 9 to move downwards along the hole in the guide sleeve 5, the pressing block 10 is in contact with the rotor, the rotor is pressed into the bearing on the tool 11, the first hand wheel 8 is reversed, and the rotor bearing is taken out.

It should be noted that, the centers of the arc surfaces of the guide sleeve 5, the guide rod 9, the pressing block 10, the tool 11 and the clamping plate 12 disclosed in the embodiment are all on the same axis.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 2, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a motor rotor bearing press-in device which characterized in that: including base (1), the upper surface of base (1) is provided with stand (2), the front side of stand (2) is provided with crossbeam (3), crossbeam (3) front end is provided with the cavity, the rotation is connected with gear (7) in the cavity, gear (7) one end links to each other with first hand wheel (8) through the pivot, crossbeam (3) front side is provided with uide bushing (5), uide bushing (5) sliding connection has guide bar (9), guide bar (9) rear side is provided with rack (6) with gear (7) meshing, guide bar (9) bottom is provided with briquetting (10), the below of briquetting (10) is provided with frock (11) of placing the bearing, the lower surface of frock (11) is provided with the supporting seat, both sides are provided with fixed subassembly around frock (11).

2. A motor rotor bearing press-in apparatus as claimed in claim 1, wherein: the utility model provides a fixed subassembly mainly includes two-way lead screw (14), fixed plate (15) and second hand wheel (16), the quantity of fixed plate (15) is two, and sets up respectively in the front and back of supporting seat, is provided with two-way lead screw (14) between two fixed plates (15), two-way lead screw (14) run through the supporting seat and rotate with the supporting seat and be connected, two-way lead screw (14) front end runs through one of them fixed plate (15) and links to each other with second hand wheel (16), the outside of two-way lead screw (14) is fixed with two movable plates (13) through screw nut, is provided with grip block (12) of centre gripping frock (11) between two movable plates (13).

3. A motor rotor bearing press-in apparatus as claimed in claim 2, wherein: the movable plate (13) is arranged between the supporting seat and the fixed plate (15), one side of the clamping plate (12) deviating from the movable plate (13) is arc-shaped, and the arc-shaped surface is provided with a antiskid plate.

4. A motor rotor bearing press-in apparatus as claimed in claim 1, wherein: one side of the cross beam (3) is provided with a mounting plate (19) which is convenient for mounting the gear (7).

5. A motor rotor bearing press-in apparatus as claimed in claim 1, wherein: the guide sleeve (5) is provided with a hole which is convenient for the guide rod (9) and the rack (6) to move, and the rear side of the guide rod (9) is provided with a groove which is convenient for installing the rack (6).

6. A motor rotor bearing press-in apparatus as claimed in claim 1, wherein: the supporting seat mainly comprises a supporting seat (17) and a supporting plate (18), wherein the supporting seat (17) is fixed on the base (1), and the supporting plate (18) is arranged on the upper surface of the supporting seat (17).

7. A motor rotor bearing press-in apparatus as claimed in claim 1, wherein: the tool (11) is cylindrical, a through hole is formed in the middle of the tool (11), and a second hole for accommodating a bearing is formed in the upper surface of the tool (11).