Thread trimming method and thread trimming control device of embroidery machine for sewing rope yarn-shaped ornaments

Abstract

The invention relates to a thread trimming method and thread trimming control device of an embroidery machine for sewing rope yarn-shaped ornaments and belongs to the technical field of embroidery machines. The method comprises the following steps of step S01, when a rope yarn presser foot is at a lower position, embroidery thread scissors are controlled to cut off an upper thread, and a hooking cutter is controlled to hook up an upper thread end and store the upper thread end in an upper thread clip; step S02, when the rope yarn presser foot moves to an upper position, rope yarn scissors arecontrolled to move to a rope yarn trimming position; step S03, the rope yarn presser foot is controlled to move downwards to the upper part close to the rope yarn scissors; and step S04, the rope yarnscissors are controlled to pull out a rope yarn end with a certain length and cut off a rope yarn-shaped ornament. The thread trimming control device is realized by adopting the method. The thread trimming control device is capable of intelligently controlling thread trimming of embroidery threads and rope yarns, avoiding error trimming and simultaneously improving the thread trimming efficiencyand the quality of embroidery.

Description

Technical field [0001] The invention belongs to the technical field of embroidery machines, and in particular relates to a thread trimming method and thread trimming control device of an embroidery machine for sewing rope-shaped ornaments. Background technique [0002] Embroidering various cord-like ornaments on embroidery patterns can make the embroidery patterns more plump and three-dimensional, increase the aesthetic effect of the embroidery, and make it more attractive to users. [0003] The invention patent application CN201910087806.1 discloses a multi-color cording embroidery machine and its head, and specifically discloses that the cording foot bar 2 of the embroidery machine is respectively fixed with cording footing 3, the cording footing 3 It includes a connecting part 4 fixedly connected to the presser foot rod 2 and a presser foot part 5 located at the lower end of the connecting part 4. The presser foot part 5 is in the shape of a truncated cone with a large upper par...

AI Technical Summary

Problems solved by technology

In addition, because the inlay can form a certain angle between the embroidery rope and the upper thread, if the angle is too small, there will still be cases of wrong hooking and cutting of the upper thread; if the embroidery rope and the upper thread formed by the inlay between the machine heads There are differences in the included angle between the lines, there are differences in the lengths of the ropes hooked by the moving knife hook and the rope hook, and the lengths of the ends of the ropes that are finally cut between the machine heads are different.

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