Device for switching different types of motor end cover rotor bearings

By designing the synergistic effect of rotor positioning, end cover positioning, pressure head and pressure column assemblies, the problem of needing two sets of equipment for motor rotor end cover and bearing installation was solved, enabling rapid switching between different models and efficient production.

CN223557779UActive Publication Date: 2025-11-18NIDEC KAIYU AUTO ELECTRIC JIANGSU
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Patent Information

Application Number
CN202423007819.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-18
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The installation of the existing motor rotor end cover and bearing requires two sets of equipment, resulting in high production costs and low efficiency.

Method used

A device comprising a rotor positioning assembly, an end cover positioning assembly, a pressure head assembly, and a pressure column assembly is designed. Through the synergistic effect of these components, the rotor and end cover are quickly positioned and press-fitted, supporting rapid switching between different models.

Benefits of technology

This technology enables the simultaneous press-fitting of rotor bearings on end caps of different types of motors, reducing production costs and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223557779U_ABST
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Abstract

The utility model discloses a device for switching different types of motor end cover rotor bearings, which relates to the field of press fitting devices and comprises a base, a rotor positioning component is fixedly arranged at the top of the base, a moving plate is arranged above the base, and elastic telescopic rods are arranged between four corners of the moving plate and four corners of the base. An end cover positioning assembly is arranged at the center of the upper surface of the moving plate, a pressure head assembly is arranged above the moving plate, and pressure column assemblies are arranged between the two sides of the pressure head assembly and the two sides of the moving plate; the rotor positioning assembly comprises a rotor positioning table fixedly arranged at the top of the base, a rotating shaft positioning core is arranged at the top of the rotor positioning table, air cylinders are fixedly arranged at the positions, located on the two sides of the rotor positioning table, of the top of the base, and bearing push plates are fixedly arranged at the moving ends of the two air cylinders. According to the press-fitting device, simultaneous press-fitting can be achieved, different models can be rapidly switched, the production cost is reduced, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of press fitting device, concretely relates to a device for switching different types of motor end cover rotor bearing. BACKGROUND

[0002] Motor refers to the electromagnetic device that realizes electric energy conversion or transmission according to electromagnetic induction law, and the rotor is the rotating part in the motor, which is generally composed of an iron core, a rotating shaft, a commutator and the like, and in order to facilitate subsequent assembly, it is necessary to install an end cover, a bearing and a circlip and the like accessories on the rotating shaft of the rotor in advance.

[0003] At present, the installation of the rotor end cover and bearing of the motor needs to use two sets of equipment to complete, which not only greatly increases the production line manufacturing cost, but also greatly reduces the production efficiency. Therefore, a device for switching different types of motor end cover rotor bearing is proposed. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned problems existing in the press fitting of the motor rotor end cover and rotor bearing, the utility model is proposed.

[0005] Therefore, the utility model aims at providing a device for switching different types of motor end cover rotor bearing, which solves the problems proposed in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A device for switching different types of motor end cover rotor bearing, comprising a base, a rotor positioning assembly is fixedly arranged on the top of the base, a moving plate is arranged above the base, and elastic extension rods are arranged between the four corners of the moving plate and the four corners of the base, an end cover positioning assembly is arranged at the center of the upper surface of the moving plate, a pressure head assembly is arranged above the moving plate, and a pressure column assembly is arranged between the two sides of the pressure head assembly and the two sides of the moving plate; the rotor positioning assembly comprises a rotor positioning table fixedly arranged on the top of the base, and a rotating shaft positioning core is arranged on the top of the rotor positioning table, a gas cylinder is fixedly arranged on the top of the base and on both sides of the rotor positioning table, and a bearing push plate is fixedly arranged on the moving end of the two gas cylinders; the end cover positioning assembly comprises a supporting plate, the supporting plate is connected with the moving plate, an end cover placing plate is adjustably arranged on the upper surface of the supporting plate, and an end cover stop is arranged on one side of the supporting plate and one side of the end cover placing plate; the pressure head assembly comprises a pressure seat and a pressure head, and the pressure head is detachably arranged on the bottom of the pressure seat.

[0008] Preferably, the pressure column assembly comprises pressure columns arranged on both sides of the pressure seat, pressure blocks corresponding to the positions of the pressure columns are fixedly arranged on the upper surface of the moving plate, and the pressure columns and the pressure seat are fixedly connected with the moving end of the external servo press.

[0009] Preferably, V-shaped pushing grooves are arranged on opposite sides of the two bearing push plates.

[0010] Preferably, positioning pins are arranged on both sides of the supporting plate, and the positioning pins are in plug-in cooperation with the moving plate.

[0011] Further, L-shaped adjusting seats are arranged at opposite corners of the upper surface of the supporting plate, and the L-shaped adjusting seats are fixedly connected with the supporting plate through first screws, and opposite corners of the end cover placing plate are located inside the two L-shaped adjusting seats.

[0012] Preferably, the tail of the pressing head is detachably connected with the bottom of the pressing seat through a second screw.

[0013] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0014] The utility model discloses a rotor positioning assembly, an end cover positioning assembly, a pressing head assembly and a pressing column assembly are arranged, the rotor positioning assembly can position and install the rotor cover assembly, the end cover positioning assembly can position and install the end cover bearing assembly, then the pressing head assembly and the pressing column assembly are pressed downward to move the moving plate, so that the moving plate drives the end cover positioning assembly to move downward together until the end cover positioning assembly is pressed into the rotor cover assembly, the pressing head assembly resets after pressing, at this time, the end cover bearing assembly and the rotor cover assembly are lifted together, then the bearing assembly is positioned and installed on the top of the rotor positioning assembly, finally, the pressing head assembly and the pressing column assembly are pressed again, so that the end cover bearing assembly and the rotor cover assembly move downward and complete the pressing with the bearing assembly, if different models are pressed, the rotating shaft positioning core, the pressing head, the supporting plate and the end cover placing plate can be detachably replaced, the size of the rotating shaft positioning core, the pressing head, the supporting plate and the end cover placing plate can be replaced, not only can the pressing be realized simultaneously, but also different models can be switched quickly, the production cost is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model end cover bearing assembly and rotor cover assembly;

[0019] Figure 4 It is a perspective structural schematic view of the end cover bearing assembly and the rotor cover assembly after pressure assembly of the utility model;

[0020] Figure 5 It is a perspective structural schematic view of the end cover bearing assembly and the rotor cover assembly after pressure assembly of the utility model; Figure 4 It is a plane section view of the utility model.

[0021] Mark explanation:

[0022] 1, base; 2, moving plate; 3, elastic telescopic rod; 4, rotor positioning table; 5, air cylinder; 6, bearing push plate; 7, supporting plate; 8, end cover placing plate; 9, end cover stop; 10, pressure seat; 11, pressure head; 12, pressure column; 13, pressure block; 14, V-shaped push groove; 15, positioning pin; 16, L-shaped adjusting seat. Specific implementation

[0023] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0024] The utility model provides a kind of device for switching different types of motor end cover rotor bearing as shown in Figure 1 Including base 1, the top of base 1 is fixedly provided with rotor positioning assembly, the top of base 1 is provided with moving plate 2, and elastic telescopic rod 3 is arranged between the four corners of moving plate 2 and the four corners of base 1, and the upper surface center of moving plate 2 is provided with end cover positioning assembly, the top of moving plate 2 is provided with pressure head assembly, and pressure column assembly is arranged between the two sides of pressure head assembly and the two sides of moving plate 2.

[0025] As shown in Figure 1 And 3 -5, rotor positioning assembly includes rotor positioning table 4 fixedly arranged on the top of base 1, and the top of rotor positioning table 4 is provided with shaft positioning core, and shaft positioning core can be used for vertical plug-in installation of rotor cover assembly, according to different outer diameters of shaft, only need to replace internal shaft positioning core to meet use demand, the top of base 1 and the two sides of rotor positioning table 4 are fixedly provided with air cylinder 5, and the moving end of two air cylinders 5 is fixedly provided with bearing push plate 6, and the opposite side of two bearing push plates 6 is provided with V-shaped push groove 14, and V-shaped push groove 14 can position and clamp different size bearing assemblies, when air cylinder 5 is stretched out, bearing push plate 6 moves and clamps and positions bearing assembly.

[0026] As shown in Figures 1-5 , end cover positioning assembly includes supporting plate 7, and supporting plate 7 is positioned and connected between moving plate 2, and the upper surface of supporting plate 7 is adjustably provided with end cover placing plate 8, and the side of supporting plate 7 and the side of end cover placing plate 8 are provided with end cover stop 9, and end cover bearing assembly can be inserted in the inside of end cover stop 9.

[0027] As Figure 1 And 3 -5, the pressure head assembly includes a pressure seat 10 and a pressure head 11, the pressure head 11 is detachably arranged at the bottom of the pressure seat 10, and the tail of the pressure head 11 is detachably connected with the bottom of the pressure seat 10 through the second screw. When it is necessary to replace the pressure head 11 of different sizes, only the second screw is loosened by using a wrench, so that the pressure head 11 can be replaced.

[0028] As Figure 1 And 3 -5, the pressure column assembly includes pressure columns 12 located on both sides of the pressure seat 10, and the upper surface of the moving plate 2 is fixedly provided with pressure blocks 13 corresponding to the positions of the pressure columns 12, and the pressure columns 12 and the pressure seat 10 are fixedly connected with the moving end of the external servo press.

[0029] As Figures 1-2 The two sides of the supporting plate 7 are provided with positioning pins 15, and the positioning pins 15 are inserted and matched with the moving plate 2. The upper surface of the supporting plate 7 is provided with L-shaped adjusting seats 16 at opposite corners, and the L-shaped adjusting seats 16 are fixedly connected with the supporting plate 7 through the first screw. The opposite corners of the end cover placing plate 8 are located inside the two L-shaped adjusting seats 16, which can adjust the use position of the end cover placing plate 8 and ensure the installation accuracy of the end cover placing plate 8 and the supporting plate 7. When it is necessary to replace the supporting plate 7, only the positioning pins 15 are pulled upward, so that the fixing between the supporting plate 7 and the moving plate 2 is released, and the end cover placing plate 8 can also be detached and replaced.

[0030] In use: first, insert the rotor cover assembly into the rotating shaft positioning core on the top of the rotor positioning table, then insert the end cover bearing assembly into the end cover stop, then control the external servo press to work, and the servo press extends while pressing the pressure seat and the pressure column, the pressure column first contacts the pressure block on the moving plate, the moving plate moves downward and compresses the elastic expansion rod, and the end cover bearing assembly is pressed into the rotor cover assembly, when the servo press retracts, the moving plate rises under the action of the elastic expansion rod, and the end cover bearing assembly and the rotor cover assembly are lifted together, then the bearing assembly is placed between the two bearing push plates, and the cylinder is controlled to extend, so that the bearing is clamped between the two V-shaped push grooves, and the bearing assembly is aligned with the rotating shaft positioning core on the rotor positioning table, and then the servo press is controlled to extend, driving the end cover bearing assembly and the rotor cover assembly to move downward synchronously, so that the shaft part at the lower end of the rotor cover assembly is pressed into the inside of the bearing assembly, the servo press is controlled to retract, so that the end cover bearing assembly, the rotor cover assembly and the bearing assembly rise together to the original position, and the work is completed.

[0031] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A device for switching rotor bearings of different types of motor end caps, comprising a base (1), characterized in that: The base (1) is fixedly provided with a rotor positioning assembly. A movable plate (2) is provided above the base (1). An elastic telescopic rod (3) is provided between the four corners of the movable plate (2) and the four corners of the base (1). An end cap positioning assembly is provided at the center of the upper surface of the movable plate (2). A pressure head assembly is provided above the movable plate (2). A pressure column assembly is provided between the two sides of the pressure head assembly and the two sides of the movable plate (2). The rotor positioning assembly includes a rotor positioning platform (4) fixedly installed on the top of the base (1), and a rotating shaft positioning core is provided on the top of the rotor positioning platform (4). Cylinders (5) are fixedly installed on the top of the base (1) and on both sides of the rotor positioning platform (4). Bearing push plates (6) are fixedly installed on the moving ends of the two cylinders (5). The end cap positioning assembly includes a support plate (7), which is positioned and connected to a movable plate (2). The upper surface of the support plate (7) is adjustablely provided with an end cap placement plate (8). Both one side of the support plate (7) and one side of the end cap placement plate (8) are provided with end cap stops (9). The pressure head assembly includes a pressure base (10) and a pressure head (11), wherein the pressure head (11) is detachably disposed at the bottom of the pressure base (10).

2. The device for switching rotor bearings of different types of motor end caps according to claim 1, characterized in that: The pressure column assembly includes pressure columns (12) located on both sides of the pressure base (10). The upper surface of the moving plate (2) is fixedly provided with pressure blocks (13) corresponding to the positions of the pressure columns (12). Both the pressure columns (12) and the pressure base (10) are fixedly connected to the external servo press moving end.

3. The device for switching rotor bearings of different types of motor end caps according to claim 1, characterized in that: V-shaped grooves (14) are provided on the opposite side of the two bearing push plates (6).

4. The device for switching rotor bearings of different types of motor end caps according to claim 1, characterized in that: The tray (7) is provided with positioning pins (15) on both sides, and the positioning pins (15) are inserted into the movable plate (2).

5. The device for switching rotor bearings of different types of motor end caps according to claim 1, characterized in that: The upper surface of the tray (7) is provided with L-shaped adjustment seats (16) at opposite corners, and the L-shaped adjustment seats (16) are fixedly connected to the tray (7) by the first screw. The diagonal corners of the end cover placement plate (8) are located inside the two L-shaped adjustment seats (16).

6. The device for switching rotor bearings of different types of motor end caps according to claim 1, characterized in that: The tail of the pressure head (11) is detachably connected to the bottom of the pressure base (10) by a second screw.