A fly machine and sewing process

By using a fully automated, continuous sewing process for trouser fly machines, and integrating multi-functional modules, efficient and stable production of trouser flyes is achieved. This solves the problems of low efficiency and unstable quality in the traditional two-stage process, realizing high-quality and high-efficiency integrated production.

CN122406469APending Publication Date: 2026-07-17JACK SEWING MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JACK SEWING MASCH CO LTD
Filing Date
2026-04-23
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing trouser fly sewing process is divided into two stages, resulting in low production efficiency and unstable quality, making it impossible to achieve high-quality, high-efficiency integrated production.

Method used

Design a trouser placket sewing machine that integrates a sewing machine head, a moving module, a fabric pressing module, a fabric turning module, and a clamping module to achieve continuous automated sewing of trouser plackets from cut pieces to final shape. The moving module drives the clamping module to perform two-dimensional precise movement. It integrates functional modules such as zipper fixing, placket positioning, folding assistance, and edge forming, eliminating multiple handling and repositioning of semi-finished products between processes.

Benefits of technology

It significantly improves production efficiency, ensures consistent product quality, reduces reliance on operator skills and labor intensity, shortens production cycles, and reduces time losses and quality risks caused by multiple handling and alignment.

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Abstract

本发明公开了一种裤子门襟机及缝纫工艺,涉及缝纫设备技术领域,为了解决现有门襟机无法实现裤子门襟一体化自动缝制的问题,该裤子门襟机包括机架以及安装于机架的缝纫机头、移动模块、压布模块、翻布模块、夹具模块,压布模块可移动的设于机架,翻布模块可移动的设于机架,移动模块与夹具模块连接,用于驱动夹具模块沿水平面内相互垂直的两个方向移动,夹具模块包括用于放置和固定拉链的拉链模块、用于定位门襟布片与左前片以及用于辅助缝纫后的门襟布片翻折的门襟处理模块、用于形成和保持右前片止口结构的止口模块、用于对布料进行限位的翻布限位模块、用于定位里襟的里襟定位模块、用于在缝纫过程中压紧布料裆部区域的裆部压紧模块。
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