Novel sewing machine rotating shuttle structure

Abstract

The invention discloses a rotating shuttle structure, and provides a novel sewing machine rotating shuttle structure which has small abrasion between a shuttle race and a shuttle support, is fast in heat dissipation, guarantees that a rotating shuttle maintains normal work, and prolongs service life. The novel sewing machine rotating shuttle structure solves the technical problem in the prior art that friction resistance of a shuttle support guide rail and the shuttle race is big, the shuttle race guide rail and a rail table need to be lubricated and supplied with oil periodically, not only is the process complicated, but also the oil added amount is difficult to control, and the sewing quality is directly influenced. The novel sewing machine rotating shuttle structure comprises the shuttle support and a shuttle housing which is fixed on a shuttle support core at one end of the shuttle support, the other end of the shuttle support is covered with the shuttle race capable of rotating along the shuttle support core in a mutually matched mode, the inner annular surface of the shuttle race is provided with the rail table, the outer annular of the shuttle support is provided with the annular shuttle support guide rail, the shuttle support is supported on the rail table through the annular shuttle support guide rail, and keeps rotatable connection with the inner annular surface of the shuttle race, and the outer end face of the annular shuttle support guide rail is provided with multiple axial through holes connected to the rail table.

Description

technical field [0001] The invention relates to a rotary hook structure, in particular to a novel sewing machine rotary hook structure with less wear between the shuttle bed and the hook frame, fast heat dissipation and prolonged service life of the rotary hook. Background technique [0002] The rotary hook is an important part of the sewing machine. On the most commonly used lock stitch sewing machines in the clothing and shoe making industries, most of the rotary hooks are used. Enlarge the loop and guide the loop around the carriage to create a lockstitch. In the existing sewing machine rotary hook structure, the shuttle frame guide rail on the shuttle frame and the corresponding track platform on the shuttle bed are both sliding friction. When in use, because the shuttle bed is rotating at a high speed relative to the shuttle frame, in order to reduce the friction between the two friction, to ensure the normal operation of the rotary hook, it is necessary to regularly l...

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly provides a novel sewing machine rotary hook structure with small wear between the shuttle bed and the shuttle frame, fast heat dissipation, ensuring the normal operation of the rotary hook, and prolonging the service life of the sewing machine. The friction resistance between the frame guide rail and the shuttle bed is large, and it is necessary to regularly lubricate the shuttle frame guide rail and the track table. Not only is the process cumbersome, but the amount of oil is often difficult to control, which directly affects the sewing quality and other technical problems.

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