Assistant guiding device for fabric feeding of sewing machine

Abstract

The invention provides an assistant guiding device for fabric feeding of a sewing machine, which guides the forced feeding when the exposing state of a wire-state sewing terminal part is guided by thefabric clamped and maintained by a match plate, and by the match plate through the fabric feeding device. An upper shaping plate of the match plate is provided with a guide rail part which covers thewire-shaped sewing terminal part of the fabric and is parallel to or approximately parallel to the wire-shaped sewing terminal part. The sewing machine body is provided with a rotating body for feeding and guiding, which conducts feeding and guiding through the buckling or abutting with the guide rail part during the forced feeding of the match plate and the fabric, so that the wire-shaped sewingterminal part of the fabric will not separate from the sewing part. The invention is advantageous in that the feeding position of the wire-shaped sewing terminal part of the fabric can be guided in amanner of being independent from the proficiency of sewing operators and having good stability; bad situations caused by cutting off of wire, bias or snaking of sewing position can be eliminated; sewing products with good appearance can be completed reliably and stably according to the regulated shape.

Description

technical field [0001] The present invention relates to a sewing machine material feeding auxiliary guide device installed in the main body of the sewing machine to guide the forced feeding of the material, for example, it is equipped with: a material feeding device that folds the material cut into the unfolded shape of the sleeve of the underwear in half , forcibly feeding the double-folded fabric along the length direction of the linear end edge of the upper and lower fabric parts overlapped up and down to the specified sewing direction; The linear sewing edge portion of the fabric material forcibly fed in the sewing advancing direction is cut (cut) so that the linear sewing edge portion becomes a predetermined shape, and the cut linear sewing edge portion is sewn. Background technique [0002] Figure 10 For example, in order to form a sleeve, the material W is cut into the developed shape of the sleeve, and in order to use this material W to actually form the sleeve, alo...

AI Technical Summary

Problems solved by technology

[0003] When forming the sleeves as described above, only the cut material W is folded in half, and when the sewing operator directly holds the folded material W with his hand to guide the forced feeding, not only the sewing operator is required to have High proficiency, and for example, even a highly proficient sewing operator will be affected by hand shaking or mechanical vibration, and it is difficult to stably maintain the feeding position of the linear edge portions W1e and W2e

Therefore, the cutting position of the cutter is shifted or snaking, and the cut fabric of the specified shape cannot be obtained, and in the sewing after cutting, the sewing position is unstable, so that the formed sleeves and other sewn products are easy to be cut. Becoming a defective product with poor shape appearance and poor finish

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