Press fitting mechanism for stator and rotor in motor

By designing a motor stator rotor pressing mechanism containing a servo press module and a laser displacement sensor, the problems of low pressing efficiency and high defect rate of existing equipment are solved, and higher accuracy and efficiency are achieved, and production waste is reduced.

CN223039839UActive Publication Date: 2025-06-27SUZHOU ZANDER AUTOMATION CO LTD
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Patent Information

Application Number
CN202422173129.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-06-27
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing motor stator rotor pressing equipment has low pressure efficiency and high defect rate, which leads to high factory waste rate, which is not conducive to the scale and cost optimization of production.

Method used

A stator rotor pressing mechanism in motor is designed, including a base, servo press module, pressing positioning module and front and rear displacement module. Accurate pressing and real-time monitoring are achieved through servo press and laser displacement sensors, improving pressing accuracy and efficiency.

Benefits of technology

It effectively improves positioning accuracy and pressing efficiency, reduces the defect rate and waste rate, and promotes the scale and cost optimization of production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223039839U_ABST
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Abstract

The utility model relates to a motor inner stator and rotor press-fitting mechanism which comprises a base, a servo press module and a press-fitting positioning module are installed on the base, and the servo press module is located above the press-fitting positioning module. The press-fitting positioning module sequentially comprises a shaft positioning assembly and a machine shell positioning assembly from top to bottom. The mode that the machine shell is fixed and the shaft is pressed into the machine shell from the upper portion is adopted, the jacking mechanism at the bottom drives the ejector rod to abut against the positioning taper hole in the shaft to be matched with positioning of the upper portion, the shaft is pressed into the shaft hole of the machine shell through the servo press, and pressure monitoring and stability are guaranteed.
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Claims

1. A motor internal stator rotor press-fitting mechanism, comprising a base (1), on which a servo press module (2) and a press-fitting positioning module (4) are mounted, wherein the servo press module (2) is located above the press-fitting positioning module (4); characterized in that: The front-to-back displacement module (3) further comprises a front-to-back displacement module (3), the front-to-back displacement module (3) comprising a translation base plate (31) and a translation cylinder (35), the translation cylinder (35) being mounted on one side of the rear end of the base (1) via a translation cylinder seat (34), the translation cylinder floating joint (36) at the front end of the translation cylinder (35) being connected to the rear end of the translation base plate (31) and driving the translation base plate (31) to move along the front-to-back direction on the base (1); The press-fit positioning module (4) comprises, from top to bottom, a shaft positioning component (41) and a housing positioning component (42); The shaft positioning assembly (41) comprises a shaft positioning base (411) and a shaft (415); the shaft positioning base (411) is mounted on a translation base (31) below via a plurality of columns (412); an upper ejector pin (414) is mounted at the middle of the bottom of the shaft positioning base (411); and a plurality of suction cups (413) for adsorbing the shaft (415) are evenly distributed at the bottom of the shaft positioning base (411) outside the upper ejector pin (414); The housing positioning assembly (42) comprises a carrier assembly and a housing (423); the carrier assembly is mounted on a translation base (31) below an axis positioning base (411); the housing (423) is mounted on the carrier assembly; the axis (415) is coaxial with the housing (423) directly below.

2. A motor internal stator rotor press-fitting mechanism as claimed in claim 1, characterized in that: The servo press module (2) comprises a press base plate (21), wherein the press base plate (21) is mounted on a base (1) below via a plurality of guide shafts (23), a servo press (22) is mounted on the press base plate (21), a press floating joint (25) at the bottom of the servo press (22) is connected to a press floating joint mounting seat (26) at the top of a press head base plate (24), and a press head (29) is mounted at the bottom of the press head base plate (24) via a press head connecting block (28).

3. A motor internal stator rotor press-fitting mechanism as claimed in claim 2, characterized in that: The pressure head base plate (24) moves along the vertical direction on the guide shaft (23) via a linear bearing (27).

4. A motor internal stator rotor press-fitting mechanism as claimed in claim 1, characterized in that: A plurality of translation guide rails (33) distributed along the front-rear direction are installed on the base (1) below the translation bottom plate (31), and the bottom of the translation bottom plate (31) is connected to the translation guide rails (33) below via a translation slider (32).

5. A motor internal stator rotor press-fitting mechanism as claimed in claim 1, characterized in that: The carrier assembly comprises a download plate (421) and an upper loading plate (422) from bottom to top, wherein the download plate (421) is mounted on the translation base plate (31), the upper loading plate (422) is mounted on the download plate (421), and the housing (423) is mounted on the upper loading plate (422).

6. A motor internal stator rotor press-fitting mechanism as claimed in claim 5, characterized in that: Lower adjustment blocks (428) are installed on the translation bottom plates (31) on the left and right sides of the download plate (421), and upper adjustment blocks (429) are installed on the download plate (421) on the front and rear sides of the upper loading plate (422).

7. A motor internal stator rotor press-fitting mechanism as claimed in claim 1, characterized in that: A lifting cylinder (424) is installed at the bottom of the translation base plate (31) below the carrier assembly, and the lifting cylinder (424) drives the lifting movable frame (425) to move in the vertical direction. A lifting rod (426) is installed on the lifting movable frame (425), and the lifting rod (426) passes through the through holes in the carrier assembly and the casing (423) from bottom to top.

8. A motor internal stator rotor press-fitting mechanism as claimed in claim 1, characterized in that: A laser displacement sensor (427) is installed on the translation base plate (31) on one side of the carrier assembly.