A simple type of longitudinal shearing and slitting device for soft magnetic tape

CN224279262UActive Publication Date: 2026-05-26NINGBO HONGDA MOTOR DIE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO HONGDA MOTOR DIE
Filing Date
2025-05-29
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing longitudinal shearing and slitting equipment has a complex structure and high cost, making it difficult to meet the size requirements of motor stator cores.

Method used

A simple longitudinal shearing and slitting device for soft magnetic tape was designed, including an unwinder, a first guide device, a longitudinal shearing and slitting device, a second guide device, and a rewinder. Through the cooperation of transmission rollers and drive rollers, the device utilizes first and second cutter discs for shearing and is equipped with a limiting mechanism to achieve precise slitting.

Benefits of technology

The equipment structure has been simplified, reducing its size and cost, while improving cutting accuracy and slitting efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A simplified longitudinal shearing and slitting device for flexible magnetic tape includes an unwinder, a first guiding device, a longitudinal shearing and slitting device, a second guiding device, and a rewinder arranged sequentially. The longitudinal shearing device includes a transmission roller and a drive roller, forming a transmission channel between them. A first cutter disc is ringed on the transmission roller, and a second cutter disc is ringed on the drive roller. The first and second cutter discs correspond one-to-one and extend into the transmission channel. The flexible magnetic tape on the unwinder enters the transmission channel guided by the first guiding device and is slit into flexible magnetic strips by the first and second cutter discs. The number of the second guiding device and the rewinder corresponds to the number of sets of flexible magnetic strips. The rewinder rewinds the flexible magnetic strips. Through the reasonable arrangement of the unwinder, first guiding device, longitudinal shearing and slitting device, second guiding device, and rewinder, longitudinal shearing and slitting of flexible magnetic tape can be achieved, simplifying the equipment structure and reducing equipment costs.
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