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Up and down feeding cloth sewing machine

A sewing machine and cloth feeding technology, which is applied in the direction of cloth feeding mechanism, sewing machine components, program-controlled sewing machines, etc., to achieve the effect of improving sewing quality

Inactive Publication Date: 2006-06-07
JUKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, since the above-mentioned conventional sewing machines switch the sewing intervals manually or by setting the number of stitches, it may not be suitable to switch various parameters in response to the above-mentioned changes in the thickness of the fabric.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Up and down feeding cloth sewing machine
  • Up and down feeding cloth sewing machine
  • Up and down feeding cloth sewing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] (Overall configuration of the embodiment)

[0036] Embodiments of the present invention will be described based on FIGS. 1 to 8 . The differential feed sewing machine (bottom feed sewing machine) 10 of the present embodiment is a sewing machine that sews while pulling together by setting the respective feed speed differences of the upper and lower fabrics to be sewn. It is used for shoulder pads when sewing the front and rear body.

[0037] In addition, shirring refers to the difference in pitch width between the upper cloth and the lower cloth, and by increasing this difference (shrinking amount), the sewn clothes can be stretched. Therefore, when sewing the sleeves and the front and rear body, by setting the amount of shirring at the shoulder side to be larger than the amount of shirring at the armpit side, stretchability can be adjusted after sewing. There is room on the shoulder side.

[0038] Here, the direction in which the needle 11 described later moves up an...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

A sewing machine with top and bottom feeding, comprising: a cloth thickness detection mechanism (50) for detecting the thickness of an object to be sewn; a storage mechanism (84), which stores a plurality of sewing intervals and sewing intervals of each sewing interval; system-related parameters and switch the thickness of the sewing section; and an action control mechanism (80), which, when detecting the thickness of the sewn object in the switching sewing section by the cloth thickness detection mechanism, switches the sewing section, and uses The motion control of the control object is carried out by sewing with the parameters corresponding to each sewing section. This type of top and bottom feed sewing machine can perform sewing corresponding to changes in the thickness of the material.

Description

technical field [0001] The present invention relates to a top and bottom feed sewing machine provided with a detection mechanism for detecting the thickness of a sewn product. Background technique [0002] Conventional top and bottom feed sewing machines have an upper feed device that feeds the upper cloth and a lower feed device that feeds the lower cloth. When sewing sleeves (upper sleeves) etc. The cloth device sets the cloth feeding amount individually, that is, performs so-called shirring sewing. [0003] Moreover, in this sewing machine, the upper sleeve process is divided into a plurality of sewing sections, the amount of shirring is respectively set in the sewing intervals, and sewing is performed according to switching of the amount of shirring in order during sewing (refer to the patent document 1). [0004] Then, in the above-mentioned conventional example, the sewing sections of the predetermined order and the up-and-down feeding amount on each of the sewing se...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B27/16D05B19/16
CPCD05B19/16D05B27/16D05B47/04D05B19/12D05B27/10
Inventor 柿崎康镰仓新治
Owner JUKI CORP
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