Tool for inserting motor rotor into shaft

Abstract

The utility model discloses a motor rotor shaft entering tool which comprises a workbench and four supporting legs distributed at four corners of the workbench, four supporting columns are fixedly installed at the upper end of the workbench, and a top plate is jointly and fixedly installed at the upper ends of the four supporting columns. A hydraulic cylinder is fixedly installed at the upper end of the top plate, a lower pressing plate is fixedly installed at the telescopic end of the hydraulic cylinder, a press-fitting sleeve is fixedly installed in the middle of the lower end of the lower pressing plate, a rotating disc is rotationally connected to the upper end of the workbench, and a plurality of rotor installation bases used for rotor positioning are arranged at the upper end of the rotating disc in the circumferential direction at equal intervals. According to the utility model, the rotor mounting seats correspond to the press-fitting sleeves through the rotation of the turntable, so that the press-fitting operation is facilitated, the traditional mode of manually pushing rotors is abandoned, the safety of workers is ensured, and the rotor production efficiency is improved due to the arrangement of the plurality of rotor mounting seats and uninterrupted loading and unloading.

Description

Technical Field

[0001] The utility model relates to the technical field of motor assembly, in particular to a motor rotor shaft insertion tool. Background Art

[0002] The motor consists of two parts, the rotor and the stator. It is a device used to realize the conversion of electrical energy into mechanical energy and mechanical energy into electrical energy. Currently, motors are widely used in industrial engineering, power tools, household appliances and other fields. The motor rotor is the rotating part in the motor. The motor rotor can be divided into motor rotor and generator rotor.

[0003] During the motor assembly process, existing bearings are mostly installed into the rotor by pressing. Specifically, after the worker places the workpiece to be pressed at the loading station, the worker manually pushes the workpiece from the loading station to the extrusion station. This involves certain risks and is prone to work-related accidents. In addition, the pressing operation cannot be performed continuously, resulting in low work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a motor rotor shaft insertion tooling, which utilizes the rotation of a turntable to make the rotor mounting seat correspond to the press-fitting sleeve, so as to facilitate the press-fitting operation, abandons the traditional method of manually pushing the rotor, ensures the safety of the staff, and due to the arrangement of multiple rotor mounting seats, can continuously load and unload materials, thereby improving the production efficiency of the rotor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A motor rotor shaft insertion tool comprises a workbench and four legs distributed at the four corners of the workbench, wherein four pillars are fixedly installed on the upper end of the workbench, and a top plate is fixedly installed on the upper ends of the four pillars;

[0007] A hydraulic cylinder is fixedly installed on the upper end of the top plate, a lower pressing plate is fixedly installed on the telescopic end of the hydraulic cylinder, a press sleeve is fixedly installed on the middle part of the lower end of the lower pressing plate, a turntable is rotatably connected to the upper end of the workbench, a plurality of rotor mounting seats for rotor positioning are arranged at equal intervals in the circumferential direction of the upper end of the turntable, and the rotor mounting seats correspond to the press sleeve;

[0008] A tightening mechanism for tightening the rotor is symmetrically arranged on the upper end surface of the workbench.

[0009] Preferably, two guide rods for ensuring stable movement are fixedly mounted on the upper end of the lower pressure plate, and the upper ends of the guide rods penetrate the top plate and are slidably connected thereto.

[0010] Preferably, the clamping mechanism comprises a fixed plate fixedly mounted on the upper end of the workbench, the upper end of the fixed plate is rotatably connected to a gear, the upper end of the fixed plate is slidably connected to the clamping plate, the upper end of the clamping plate is fixedly mounted with two sets of first racks, and the first racks and the gears are meshed with each other;

[0011] A vertical plate is fixedly mounted on the lower end of the lower pressure plate, a second rack is fixedly mounted on the side wall of the vertical plate, and the second rack is meshed with the gear.

[0012] Preferably, the fixing plate and the abutting plate are both Y-shaped plates, the abutting plate is located in the middle of the fixing plate, and the vertical plate is located in the middle of the abutting plate.

[0013] Preferably, a mounting seat is fixedly mounted on the lower end of the abutting plate, a sliding rod is fixedly mounted on the side wall of the mounting seat, the sliding rod penetrates the fixing plate and is slidably connected thereto, and the sliding rod is staggered with the vertical plate.

[0014] Preferably, the side of the abutting plate facing the rotor is an arc surface and is provided with an elastic pad.

[0015] The utility model has the following beneficial effects:

[0016] 1. Through the design of the press-fitting sleeve, turntable, rotor mounting seat and hydraulic cylinder, the lower pressing plate is moved up and down by the hydraulic cylinder, thereby driving the press-fitting sleeve to move up and down. The press-fitting sleeve corresponds to the bearing, so that the bearing is pressed into the rotor, realizing quick and convenient installation;

[0017] 2. Through the design of the clamping mechanism, during the downward movement of the lower pressure plate, the two clamping plates are moved toward each other through the cooperation of the second rack, the gear and the first rack, so that the clamping plate and the rotor are in tight contact, which can further ensure the stability of the rotor and improve the pressing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a motor rotor shaft insertion tooling proposed by the utility model;

[0019] Figure 2 The utility model is a schematic diagram of a clamping mechanism of a motor rotor shaft fixture.

[0020] In the figure: 1 support leg, 2 workbench, 3 pillar, 4 top plate, 5 hydraulic cylinder, 6 guide rod, 7 lower pressure plate, 8 press sleeve, 9 rotor mounting seat, 10 fixed plate, 11 slide bar, 12 gear, 13 vertical plate, 14 mounting seat, 15 first rack, 16 turntable, 17 clamping plate, 18 second rack. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Reference Figure 1-Figure 2 A motor rotor shaft insertion tooling includes a workbench 2 and four legs 1 distributed at the four corners of the workbench 2, four pillars 3 are fixedly installed on the upper end of the workbench 2, and a top plate 4 is fixedly installed on the upper ends of the four pillars 3;

[0024] A hydraulic cylinder 5 is fixedly installed on the upper end of the top plate 4, and a lower pressure plate 7 is fixedly installed on the telescopic end of the hydraulic cylinder 5. Two guide rods 6 for ensuring stable movement are fixedly installed on the upper end of the lower pressure plate 7. The upper ends of the guide rods 6 penetrate the top plate 4 and are slidably connected thereto. A press-fitting sleeve 8 is fixedly installed on the middle part of the lower end of the lower pressure plate 7. A turntable 16 is rotatably connected to the upper end of the workbench 2. A driving motor is installed on the lower end surface of the workbench 2. The driving motor is connected to the turntable 16 through a reducer and is used to drive the turntable 16. A plurality of rotor mounting seats 9 for rotor positioning are arranged at equal intervals in the circumferential direction of the upper end of the turntable 16. The rotor mounting seats 9 correspond to the press-fitting sleeve 8.

[0025] The upper end surface of the workbench 2 is symmetrically provided with a clamping mechanism for clamping the rotor, and the clamping mechanism includes a fixed plate 10 fixedly installed on the upper end of the workbench 2, the upper end of the fixed plate 10 is rotatably connected with a gear 12, the upper end of the fixed plate 10 is slidably connected with a clamping plate 17, and the upper end of the clamping plate 17 is fixedly installed with two sets of first racks 15, and the first racks 15 and the gears 12 are meshed with each other;

[0026] A vertical plate 13 is fixedly mounted on the lower end of the lower pressing plate 7, and a second rack 18 is fixedly mounted on the side wall of the vertical plate 13. The second rack 18 is meshed with the gear 12;

[0027] The fixing plate 10 and the clamping plate 17 are both Y-shaped plates. The clamping plate 17 is located in the middle of the fixing plate 10, and the vertical plate 13 is located in the middle of the clamping plate 17. A mounting seat 14 is fixedly installed at the lower end of the clamping plate 17, and a sliding rod 11 is fixedly installed on the side wall of the mounting seat 14. The sliding rod 11 passes through the fixing plate 10 and is slidably connected thereto. The sliding rod 11 is staggered with the vertical plate 13, and the sliding rod 11 enables the clamping plate 17 to move in a straight line. The side of the clamping plate 17 facing the rotor is an arc surface, and an elastic pad is provided. The rubber material is adopted, and the elastic pad has the characteristic of elastic deformation, which is convenient for clamping the rotor during press-fitting without damaging the rotor.

[0028] Working principle:

[0029] When in use, first place the pre-installed rotor on the rotor mounting seat 9, then place the bearing on the rotor, and use the hydraulic cylinder 5 to make the lower pressing plate 7 move up and down, thereby driving the press-fitting sleeve 8 to move up and down. The press-fitting sleeve 8 corresponds to the bearing, so that the bearing is pressed into the rotor, realizing quick and convenient installation;

[0030] After the press-fitting is completed, the press-fitting sleeve 8 is moved upward and reset, and then the turntable 16 is driven to rotate under the action of the driving device. The turntable 16 rotates so that the next rotor mounting seat 9 with a rotor is aligned with the press-fitting sleeve 8, and the press-fitting operation can be performed quickly and continuously;

[0031] During the downward movement of the lower pressure plate 7, the vertical plate 13 moves downward, and under the cooperation of the second rack 18 and the gear 12, the gear 12 rotates. The rotation of the gear 12 is achieved under the action of the first rack 15, and the two clamping plates 17 move toward each other. The clamping plates 17 are in tight contact with the rotor, which can further ensure the stability of the rotor and improve the pressing effect.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A motor rotor shaft insertion tool, comprising a workbench (2) and four legs (1) distributed at the four corners of the workbench (2), characterized in that: Four pillars (3) are fixedly mounted on the upper end of the workbench (2), and a top plate (4) is fixedly mounted on the upper ends of the four pillars (3); A hydraulic cylinder (5) is fixedly mounted on the upper end of the top plate (4), a lower pressure plate (7) is fixedly mounted on the telescopic end of the hydraulic cylinder (5), a press sleeve (8) is fixedly mounted on the middle portion of the lower end of the lower pressure plate (7), the upper end of the workbench (2) is rotatably connected to a turntable (16), a plurality of rotor mounting seats (9) for rotor positioning are provided at equal intervals in the circumferential direction on the upper end of the turntable (16), and the rotor mounting seats (9) correspond to the press sleeve (8); A tightening mechanism for tightening the rotor is symmetrically provided on the upper end surface of the workbench (2).

2. The motor rotor shaft insertion tool according to claim 1, characterized in that: Two guide rods (6) for ensuring stable movement are fixedly mounted on the upper end of the lower pressure plate (7), and the upper ends of the guide rods (6) penetrate the top plate (4) and are slidably connected thereto.

3. The motor rotor shaft insertion tool according to claim 1, characterized in that: The clamping mechanism comprises a fixed plate (10) fixedly mounted on the upper end of the workbench (2), the upper end of the fixed plate (10) being rotatably connected to a gear (12), the upper end of the fixed plate (10) being slidably connected to a clamping plate (17), the upper end of the clamping plate (17) being fixedly mounted with two sets of first racks (15), the first racks (15) and the gears (12) being meshed with each other; A vertical plate (13) is fixedly mounted on the lower end of the lower pressure plate (7), a second rack (18) is fixedly mounted on the side wall of the vertical plate (13), and the second rack (18) is meshed with the gear (12).

4. The motor rotor shaft insertion fixture according to claim 3, characterized in that: The fixed plate (10) and the abutting plate (17) are both Y-shaped plates; the abutting plate (17) is located in the middle of the fixed plate (10); and the vertical plate (13) is located in the middle of the abutting plate (17).

5. The motor rotor shaft insertion fixture according to claim 4, characterized in that: A mounting seat (14) is fixedly mounted on the lower end of the abutting plate (17), a sliding rod (11) is fixedly mounted on the side wall of the mounting seat (14), the sliding rod (11) passes through the fixed plate (10) and is slidably connected thereto, and the sliding rod (11) is staggered with the vertical plate (13).

6. The motor rotor shaft insertion fixture according to claim 5, characterized in that: The side of the pressing plate (17) facing the rotor is an arc surface and is provided with an elastic pad.

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