一种插针咬花装置
By performing a knurling process on the steel pins before the pin insertion process, and using a knurling device to form toothed grooves, the problem of steel pins loosening and falling out is solved, the connection strength and stability between the steel pins and the stator frame are improved, and the reliability and safety of the motor are ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI POWERFUL ELECTRIC CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, the interference fit between the steel needle and the stator frame pin hole is insufficient, which causes the steel needle to loosen and come out, affecting the reliability and safety of the motor operation.
A pin-engraving device is designed, which forms toothed grooves on both sides of the steel pin by means of a first engraving cutter head and a second engraving cutter head, and uses a drive mechanism to control the opening and closing action of the cutter heads to improve the connection strength and stability between the steel pin and the pin hole.
This enhances the connection strength and stability between the steel pin and the stator frame pin hole, preventing the steel pin from falling off due to vibration or external force, and improving the reliability and safety of motor operation.
Smart Images

Figure CN224508064U_ABST