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Cloth conveying method and cloth conveying device for sewing machine

A technology of a cloth feeding device and a sewing machine, which is applied in the directions of sewing machine components, cloth feeding mechanisms, sewing equipment, etc., can solve the problems of inconsistent pinhole spacing and other problems

Inactive Publication Date: 2012-12-05
林鹭峰 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this processing method, when the operator pushes to the template, the pitch of the pinholes will be inconsistent due to the uneven speed of pushing to the template.

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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  • Cloth conveying method and cloth conveying device for sewing machine
  • Cloth conveying method and cloth conveying device for sewing machine
  • Cloth conveying method and cloth conveying device for sewing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Such as figure 2 , image 3 Shown, the present invention is a kind of sewing machine feeding method, and it comprises the following steps:

[0020] (1) Put the sewing material in template 1;

[0021] (2) Put the template 1 on the top surface 31 of the tooth plate of the cloth feeding dog 3;

[0022] (3) The cloth feed dog 3 moves in an approximately elliptical trajectory perpendicular to the horizontal working surface under the joint action of the cloth feed mechanism and the tooth lifting mechanism of the sewing machine. and drive the template 1 to push forward or backward to complete the cloth feeding. At the same time, the needle of the sewing machine moves along the guide groove 11 on the template 1 to complete the sewing.

[0023] Such as image 3 As shown, the present invention is a sewing machine cloth feeding device, which includes a template 1, a presser foot 2, a cloth feeding dog 3, and a needle plate 4.

[0024] The present embodiment adopts the doubl...

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

The invention discloses a cloth conveying method and a cloth conveying device for a sewing machine. The cloth conveying device comprises a pressing foot, a feed dog, a needle plate and a template, wherein multiple feed teeth are arranged on the top surface of a dog plate of the feed dog, upwards penetrate out of a groove in the needle plate and are opposite to the pressing foot above the needle plate; the feed teeth on the top surface of the dog plate of the feed dog adopt sharp corners; the template is pressed on the top surface of the dog plate of the feed dog; and the tooth tips of the feed teeth on the top surface of the dog plate are inserted into the bottom surface of the template to drive the template to move forwards. The feed teeth on the top surface of the dog plate of the feed dog are made to have the sharp corners which are sharper, the template which is softer in material, can enable the feed teeth to insert and is made of an acrylic plate is adopted, and the feed teeth on the top surface of the dog plate of the feed dog are inserted into the bottom surface of the template to drive the template to move forwards or rearwards, so that the cloth conveying operation is finished, and the automatic cloth conveying process during sewing is realized.

Description

technical field [0001] The invention relates to a sewing machine, in particular to a sewing machine cloth feeding method and a device thereof. Background technique [0002] Such as figure 1 As shown, the cloth feeding device of the industrial sewing machine is mainly composed of presser foot 91, needle plate 92, cloth feeding dog 93, etc. The cloth feeding dog 93 is under the joint action of the cloth feeding mechanism and the tooth lifting mechanism of the sewing machine, and moves in an approximately elliptical trajectory perpendicular to the horizontal working surface, and pushes the sewing material forward or backward to complete the cloth feeding. The feed dog plays the role of pushing the cloth forward. This customary cloth feeding tooth 93 tooth plate feeding tooth 931 is not tine, is mainly used for pushing cloth. Existing sewing machines often have the face cloth stretched when the cloth is running, and the face cloth and base cloth that were originally the same ...

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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IPC IPC(8): D05B27/02
Inventor 蔡育铭
Owner 林鹭峰
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