Multi-fold optional automatic hemming device for sewing machine

Abstract

The invention discloses a multi-fold optional automatic edge covering device for a sewing machine. The device comprises a workbench, a fixing groove, sub-winding bodies, a winding body, a clamp member and a transition section, wherein the fixing groove is formed in the workbench and is obtained by downward sinking the upper end surface of the workbench; each sub-winding body is formed by integrally winding a sheet structure in a right-trapezoid shape after plane spreading, the cross section of one end of the sub-winding body is of a vortex shape, and the cross section of the other end of the sub-winding body is of a semi-arc shape; the winding body is formed by splicing two right-angle waists of the first sub-winding body and the second sub-winding body of the same size, and the first sub-winding body of the winding body is embedded in the fixing groove; and the transition section is a semi-cylinder cavity with a right-triangle longitudinal section and formed by downward sinking the workbench, and the semicircular bottom surface of the rear end of the transition section is in end-to-end connection with one end of the fixing groove. The device disclosed by the invention has the advantages of simple structure and convenience in use, can quickly realize multi-fold optional edge covering operation of clothing or cloth, and is suitable for mechanical large-scale production.

Description

Technical field [0001] The invention relates to the technical field of clothing production. More specifically, the present invention relates to a multi-fold optional automatic hemming device for sewing machines. Background technique [0002] When using an ordinary sewing machine to wrap the placket, it is necessary to manually fold and fix the hemming cloth, which is time-consuming, laborious and error-prone. Especially, according to the grade of the garment, the hemming is often two-fold, four-fold or six-fold. , It further improves the difficulty and precision of hemming. Therefore, there is an urgent need for an automatic hemming device that automatically folds the hemming strips into uniform two-fold, four-fold or six-fold to meet the needs of existing industrialized mass production. Further improve the work efficiency and the hemming grade of clothing. Summary of the invention [0003] An object of the present invention is to solve at least the above-mentioned problems and ...

AI Technical Summary

Problems solved by technology

[0002] When using an ordinary sewing machine to hem the skirt, it is necessary to manually fold and fix the hemming cloth, which is time-consuming, laborious and error-prone. In particular, the existing garments are often hemmed in two, four or four folds according to the grade of the garment , which further increases the difficulty and precision of hemming. Therefore, there is an urgent need for an automatic hemming device that automatically folds the hemming strip into even two-fold, four-fold or six-fold to meet the needs of existing industrialized mass production. Further improve work efficiency and garment hemming grade

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