Needle feeding switching mechanism and method of sewing machine

CN119433844APending Publication Date: 2025-02-14JACK SEWING MASCH CO LTD
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Patent Information

Application Number
CN202310954023.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-31
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

The existing needle feeding mode sewing machine cannot independently adjust the needle pendulum mechanism and the puncture mechanism, resulting in only needle feeding and cannot be switched to ordinary feeding, which limits the scope of application and flexibility of the equipment.

Method used

A sewing machine needle feed switching mechanism including independent tooth lifting drive source, feeding drive source, punctured drive source and needle pendulum drive source is designed. The phase and output of these drive sources are controlled through the electronic control module to realize the normal and needle feed modes. Flexible switching between.

Benefits of technology

It realizes flexible switching of the feeding mode of the sewing machine, expands the scope of application of the equipment, reduces production costs, simplifies the operation process, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a needle feeding switching mechanism and method of a sewing machine, and the needle feeding switching mechanism comprises a needle rod, a machine needle, a tooth frame, a feeding tooth, a tooth lifting mechanism and a feeding mechanism which are connected with the tooth frame, and a cloth puncturing mechanism and a needle swinging mechanism which are connected with the needle rod, the feed lifting driving source, the feeding driving source, the needling driving source and the needle pendulum driving source are four mutually independent driving sources; the needle swing driving source determines the needle feeding distance of the machine needle; within the operation range of the needle pendulum driving source, the needle pendulum driving source is provided with a zero needle feeding distance position where the corresponding needle feeding distance is zero. In the application, the phases of the feed lifting driving source and the feeding driving source relative to the cloth pricking driving source are adjustable, and the needle swing driving source determines the needle feeding distance of the machine needle, so that the needle feeding distance can be zero; the feeding mode of the sewing machine is flexibly switched between common feeding and needle feeding through phase control over the feed lifting driving source, the feeding driving source and the cloth pricking driving source and output control over the needle swing driving source, and the application range of the sewing machine is widened.
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Citation Information

Patent Citations

  • Feeding drive mechanism of sewing machine and sewing machine

    CN106835513A

  • Sewing machine working mechanism and sewing machine

    CN209428732U

  • Sewing machine, feeding switching device, feeding switching control system and control method

    CN111020891A

  • Needle feed sewing machine

    CN111945310A

  • Flexibly-adjustable feeding thread hooking mechanism and sewing machine

    CN115182104A

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