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Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine

A traction mechanism, four-needle and six-thread technology, applied in the field of sewing machines, can solve the problems of the reduced space of the sewing machine itself, the increase of the swinging amount of the tensioning needle, the limitation of the swinging of the tensioning needle, etc. Reduced, small workspace effect

Inactive Publication Date: 2011-04-27
ZHEJIANG LAIKE SEWING MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this needle is applied to a four-needle and six-thread sewing machine, since the distance between the four needles is widened, the swinging amount of the needle is correspondingly increased, and one side of the four needles of the sewing machine has a cutting The corner protection sheet reduces the space of the patchwork sewing machine itself, and the stretching needle swing is limited, so the stretching mechanism of the three-needle five-thread interlock sewing machine cannot meet the requirements

Method used

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  • Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine
  • Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine
  • Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine

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Embodiment Construction

[0023] The following are specific embodiments of the present invention, and further describe the technical solution of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0024] Such as figure 1 and figure 2 As shown, the stretch thread traction mechanism is arranged on the presser foot 1, and includes a hook needle 8, a stretch thread bracket 7 and a fan-shaped piece 2, and the fan-shaped piece 2 is axially connected to the presser foot 1, and the presser foot 1 is provided with The first rotating shaft 6 and the second rotating shaft 5 are combined image 3 As shown, the lower end of the first rotating shaft 6 is affixed to the hook needle 8 through a screw 9, the lower end of the second rotating shaft 5 is affixed to the stretcher bracket 7 through a screw 9, and the upper ends of the first rotating shaft 6 and the second rotating shaft 5 are connected to the sector piece 2. A connecting ro...

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Abstract

The invention provides a stretched-thread traction mechanism of a four-needle six-thread splicing and sewing machine, which belongs to the technical field of sewing machines and solves the problems of small space of a traditional four-needle six-thread splicing and sewing machine and large stretched-needle swinging amplitude of a traditional flat-seaming mechanism. The stretched-thread traction mechanism of the four-needle six-thread splicing and sewing machine is arranged on a presser foot and comprises a crochet hook, a stretched-thread supporting frame and a fan-shaped sheet, the fan-shaped sheet is coupled on the presser foot, a first rotating shaft and a second rotating shaft are also arranged on the presser foot, the lower end of the first rotating shaft is fixedly connected with the crochet hook, the lower end of the second rotating shaft is fixedly connected with the stretched-thread supporting frame, and a link mechanism capable of driving the crochet hook and the stretched-thread supporting frame to swing in a staggered mode is arranged among the upper ends of the first rotating shaft and the second rotating shaft and the fan-shaped sheet. The stretched-thread traction mechanism has the advantages of small swinging amplitude, small working space and high operating safety.

Description

technical field [0001] The invention belongs to the technical field of sewing machines, and relates to a thread pulling mechanism, in particular to a thread pulling mechanism of a four-needle six-thread stitching machine. Background technique [0002] The stretched thread in the sewing machine stitch is a decorative thread added to the upper surface of the fabric during the sewing process. It is pulled by the threader and woven with multiple machine needles to cover the surface of the fabric. In the three-needle five-thread interlock sewing machine, the thread belt device is a stretch needle, which swings left and right in a straight line under the drive of the driving mechanism, and the standard swing amount is 17mm. When this needle is applied to a four-needle and six-thread sewing machine, since the distance between the four needles is widened, the swinging amount of the needle is correspondingly increased, and one side of the four needles of the sewing machine has a cutt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B47/04D05B51/00D05B29/06
Inventor 阮明明
Owner ZHEJIANG LAIKE SEWING MACHINE
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