Special presser foot for sewing snap fastener and snap fastener sewing method

Abstract

The invention provides a special presser foot for sewing a snap fastener and a snap fastener sewing method. The special presser foot comprises a feeding plate located above a needle plate. The feeding plate is proved with a positioning hole matched with the snap fastener in shape, a presser foot piece is arranged above the feeding plate and fixedly connected with a feeding frame assembly, a central hole is formed in the middle of the presser foot piece, an annular space for a sewing needle to penetrate through is formed in the pressure foot piece in the circumferential direction of the central hole, and a connecting piece connected with the snap fastener is inserted in the central hole and extends towards the feeding plate. By means of the special presser foot for sewing the snap fastener and the snap fastener sewing method, frequently-applied snap fasteners with different dimensions on the market can be easily and quickly clamped and adjusted, and the problem that wrench tongs of an existing button sewing machine can not achieve universality on diversified snap fasteners is solved; in addition, the snap fastener clamping and adjusting process is easy and fast each time, the sewing efficiency is greatly improved, the labor intensity is lowered, and the demand of mass production garment factories for production efficiency is met.

Description

Technical field [0001] The invention relates to a special presser foot used for sewing snap buttons. [0002] The invention also relates to a method for sewing a button using the special presser foot. Background technique [0003] Snap buttons are also called pin-and-socket buttons and embedded buttons. They are a component that involves temporary connection and positioning of clothing and other similar objects. Generally speaking, sewing snap buttons, hand-sewn snap buttons, snap button snaps, etc. are called snaps. The name is different in each region. The snap button is a kind of snap button, commonly known as sub The female buckle is combined by S-shaped springs. It is divided into two parts from top to bottom. They are male buckle and female buckle. There is a concave hole in the middle of the female buckle. There are two parallel springs on the edge of the concave hole. A protruding dot, which is pressed into the concave hole of the female buckle and clamped by the spring t...

AI Technical Summary

Problems solved by technology

[0005] Most of the existing snap buttons are sewn manually, which is inefficient and labor-intensive

However, the twisting pliers of the current button sewing machine cannot be used universally for a variety of buttons, and the process of placing buttons and adjusting them each time is cumbersome, and the position of the button hole is prone to deviation, which may easily lead to needle breakage or failure to sew.

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