CN211102546U

CN211102546U - Motor rotor bearing press-fitting mechanism

Info

Publication number: CN211102546U
Application number: CN201921758015.9U
Authority: CN
Inventors: 杨东升; 赵柏勤; 薛康
Original assignee: Dagong Motor Shanghai Co ltd
Current assignee: Dagong Motor Shanghai Co ltd
Priority date: 2019-10-20
Filing date: 2019-10-20
Publication date: 2020-07-28
Anticipated expiration: 2029-10-20

Abstract

The utility model discloses a motor rotor bearing press-fitting mechanism, which comprises a frame, wherein a positioning pipe which is vertically downward and is communicated up and down is fixed on the upper part of the frame through a positioning frame, the top of the frame is provided with a first telescopic push rod which is vertically downward, a push column is embedded in the positioning tube, the top of the push column is fixedly connected with the telescopic end of the first telescopic push rod, the bottom of the push column is provided with a piston block, the frame is provided with a positioning column which is arranged right below the positioning tube and is matched with the positioning tube, the positioning column is provided with a positioning hole for the shaft end of the electronic rotor to pass through, a cylindrical movable push block is sleeved on the periphery of the positioning column, a through hole for the positioning column to pass through is arranged on the movable push block, the top of the movable push block is provided with a buffer layer, the bottom of the rack is provided with a pair of second telescopic push rods which are vertically upward, and the telescopic ends of the second telescopic push rods are fixed with the bottom of the movable push block. The utility model has the characteristics of simple structure and be convenient for operate.

Description

Motor rotor bearing press-fitting mechanism

Technical Field

The utility model relates to a bearing pressure equipment technical field specifically is an electric motor rotor bearing pressure equipment mechanism.

Background

In daily life, when a bearing needs to be installed on a shaft part, the shaft part is generally centered manually, then the shaft part is knocked by external force, and the shaft part is sent to the inner edge of the bearing by knocking. However, this approach has the following disadvantages: the rejection rate is high, disposable percent of pass is low, and the axiality is poor after connecting, and workman working strength is big, and work efficiency is low, can not batch production. Therefore, the motor rotor bearing press-fitting mechanism is provided.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides an electric motor rotor bearing pressure equipment mechanism.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a motor rotor bearing press-fitting mechanism, which comprises a frame, wherein a positioning pipe which is vertically downward and is communicated up and down is fixed at the upper part of the frame through a positioning frame, the top of the frame is provided with a first telescopic push rod which is vertically downward, a push column is embedded in the positioning tube, the top of the push column is fixedly connected with the telescopic end of the first telescopic push rod, the bottom of the push column is provided with a piston block, the frame is provided with a positioning column which is arranged right below the positioning tube and is matched with the positioning tube, the positioning column is provided with a positioning hole for the shaft end of the electronic rotor to pass through, a cylindrical movable push block is sleeved on the periphery of the positioning column, a through hole for the positioning column to pass through is arranged on the movable push block, the top of the movable push block is provided with a buffer layer, the bottom of the rack is provided with a pair of second telescopic push rods which are vertically upward, and the telescopic ends of the second telescopic push rods are fixed with the bottom of the movable push block.

As a preferred technical scheme of the utility model, the bottom of registration arm is equipped with the inside reducing pipe that contracts of radius, the minimum diameter of reducing pipe equals with the registration arm diameter.

As an optimized technical scheme of the utility model, the bottom of piston piece is equipped with the abrasionproof layer, the abrasionproof layer is rubber layer or plastic layer.

As an optimized technical scheme of the utility model, the buffer layer is the rubber layer and thickness is 2-3 cm.

As an optimized technical proposal of the utility model, the movable push block is made of high-strength steel.

As an optimized technical scheme of the utility model, be equipped with the controller in the frame, first flexible push rod and the flexible push rod of second all are connected with the control electricity.

The utility model has the advantages that: this kind of electric motor rotor bearing pressure equipment mechanism, at first establish the bearing housing that needs the pressure equipment on the reference column, then one axle head of a motor rotor stretches into in the reference column, another axle head stretches into in the axle hole on the reference column, then it is flexible through the first flexible push rod of control, make the pushing ram push down along the reference column, make the piston block of pushing ram bottom contradict with electric motor rotor's the shaft end portion, it is mutually supported with the positioning shaft, thereby carry out vertical location with electric motor rotor, then flexible through the flexible push rod of second of control, make activity pushing ram along reference column upward movement, on the axle head of motor rotor with the bearing pressure equipment, have simple structure and the characteristics of the operation of being convenient for.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a motor rotor bearing press-fitting mechanism of the present invention;

fig. 2 is a schematic structural diagram of the positioning column of the press-fitting mechanism for the bearing of the electric motor rotor of the present invention.

In the figure: 1. a frame; 2. a positioning frame; 3. a positioning tube; 4. a first telescopic push rod; 5. pushing the column; 6. a piston block; 7. a positioning column; 8. positioning holes; 9. a movable push block; 10. a buffer layer; 11. a second telescopic push rod; 12. a reducer pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 and 2, the press-fitting mechanism for the motor rotor bearing of the present invention comprises a frame 1, wherein a positioning tube 3 which is vertically downward and vertically communicated is fixed on the upper portion of the frame 1 through a positioning frame 2, a first vertically downward telescopic push rod 4 is arranged on the top of the frame 1, a push column 5 is embedded in the positioning tube 3, the top of the push column 5 is fixedly connected with the telescopic end of the first telescopic push rod 4, a piston block 6 is arranged on the bottom of the push column 5, a positioning column 7 which is matched with the positioning tube 3 is arranged under the positioning tube 3 of the frame 1, a positioning hole 8 for passing through of the shaft end of an electronic rotor is arranged on the positioning column 7, a cylindrical movable push block 9 is sleeved on the periphery of the positioning column 7, a through hole for passing through of the positioning column 7 is arranged on the movable push block 9, a buffer layer 10 is arranged on the top of the movable push block 9, a pair of second vertically upward telescopic push rods 11 is arranged on the bottom of the frame, the telescopic end of the second telescopic push rod 11 is fixed with the bottom of the movable push block 9. The utility model discloses at first establish the bearing housing that needs the pressure equipment on reference column 7, then an electric motor rotor's a shaft end stretches into in the registration column 3, another shaft end stretches into in the shaft hole on the reference column 7, then it is flexible through the first flexible push rod 4 of control, make the support pillar 5 push down along the registration column 3, make the piston block 6 of 5 bottoms of support pillar contradict with electric motor rotor's shaft end portion, it is mutually supported with the registration column, thereby carry out vertical location with electric motor rotor, then flexible push rod 11 of second through control is flexible, make activity ejector pad 9 upwards move along reference column 7, with the bearing pressure equipment to electric motor rotor's shaft end on, have simple structure and the characteristics of being convenient for the operation.

The bottom of the positioning tube 3 is provided with a reducer 12 with a radius shrinking inwards, and the minimum diameter of the reducer 12 is equal to the diameter of the positioning tube 3, so that the shaft end of the motor rotor can be conveniently extended into the positioning tube 3.

The bottom of the piston block 6 is provided with an anti-abrasion layer, and the anti-abrasion layer is a rubber layer or a plastic layer and plays an anti-abrasion role.

Wherein, the buffer layer 10 is a rubber layer and has a thickness of 2-3 cm.

The movable push block 9 is made of high-strength steel.

Wherein, be equipped with the controller on the frame 1, first flexible push rod 4 and second flexible push rod 11 all are connected with the control electricity, are convenient for carry out manual control.

The utility model discloses at first establish the bearing housing that needs the pressure equipment on reference column 7, then an electric motor rotor's a shaft end stretches into in the registration column 3, another shaft end stretches into in the shaft hole on the reference column 7, then it is flexible through the first flexible push rod 4 of control, make the support pillar 5 push down along the registration column 3, make the piston block 6 of 5 bottoms of support pillar contradict with electric motor rotor's shaft end portion, it is mutually supported with the registration column, thereby carry out vertical location with electric motor rotor, then flexible push rod 11 of second through control is flexible, make activity ejector pad 9 upwards move along reference column 7, with the bearing pressure equipment to electric motor rotor's shaft end on, have simple structure and the characteristics of being convenient for the operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a motor rotor bearing pressure equipment mechanism which characterized in that: comprises a frame (1), a vertical downward positioning tube (3) which is communicated from top to bottom is fixed on the upper part of the frame (1) through a positioning frame (2), a first vertical downward telescopic push rod (4) is arranged on the top of the frame (1), a push column (5) is embedded in the positioning tube (3), the top of the push column (5) is fixedly connected with the telescopic end of the first telescopic push rod (4), a piston block (6) is arranged at the bottom of the push column (5), a positioning column (7) matched with the positioning tube (3) is arranged under the positioning tube (3) of the frame (1), a positioning hole (8) for an electronic rotor shaft end to pass through is arranged on the positioning column (7), a cylindrical movable push block (9) is sleeved on the periphery of the positioning column (7), a through hole for the positioning column (7) to pass through is arranged on the movable push block (9), a buffer layer (10) is arranged on the top of the movable push block (9), the bottom of the frame (1) is provided with a pair of second telescopic push rods (11) which are vertically upward, and the telescopic ends of the second telescopic push rods (11) are fixed with the bottom of the movable push block (9).

2. The motor rotor bearing press-fitting mechanism is characterized in that the bottom of the positioning tube (3) is provided with a reducing tube (12) with a radius shrinking inwards, and the minimum diameter of the reducing tube (12) is equal to the diameter of the positioning tube (3).

3. The press-fitting mechanism for the motor rotor bearing as recited in claim 1, wherein the bottom of the piston block (6) is provided with an anti-abrasion layer, and the anti-abrasion layer is a rubber layer or a plastic layer.

4. The press-fitting mechanism for the rotor bearing of the motor according to claim 1, wherein the buffer layer (10) is a rubber layer and has a thickness of 2-3 cm.

5. The electric machine rotor bearing press-fit mechanism according to claim 1, characterized in that the movable push block (9) is made of high-strength steel.

6. The motor rotor bearing press-fitting mechanism is characterized in that a controller is arranged on the frame (1), and the first telescopic push rod (4) and the second telescopic push rod (11) are electrically connected with the controller.