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Bottom line detection correlation type photoelectric control system for sewing machine and control method

A technology of photoelectric induction and control system, which is applied in the direction of bobbin winding, sewing machine components, sewing equipment, etc.

Active Publication Date: 2015-02-25
BULLMER ELECTROMECHANICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the bobbin is missing in the rotary hook, the receiver cannot receive the signal, which is exactly the same as when there is a bottom thread, so it cannot judge whether there is a bobbin missing.

Method used

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  • Bottom line detection correlation type photoelectric control system for sewing machine and control method
  • Bottom line detection correlation type photoelectric control system for sewing machine and control method
  • Bottom line detection correlation type photoelectric control system for sewing machine and control method

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Embodiment Construction

[0054] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0055] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, terms such as "upper", ...

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Abstract

The invention provides a bottom line detection correlation type photoelectric control system for a sewing machine. The system comprises an electric control module, a rotating shuttle and a motor, wherein the rotating shuttle comprises a shuttle casing and a shuttle core, the system further comprises an infrared transmitting tube and an infrared receiving tube, an infrared inlet and an infrared outlet are formed in the shuttle casing, and a through hole is formed in a wrapping post of the shuttle core; when the shuttle core is not in the casing, the infrared inlet and the infrared outlet are communicated; when the quantity of bottom lines with which the wrapping post of the shuttle core is wounded is not enough, the through hole is exposed, and the infrared inlet and the infrared outlet are communicated through the through hole; the electric control module is connected with the infrared transmitting tube and the infrared receiving tube through a signal conditioning and controlling circuit and connected with the motor through an output circuit. In the control system, the electric control module can judge if the shuttle core is missing or the quantity of the bottom lines on the shuttle core is not enough according to the intensity of a signal output to the signal conditioning and controlling circuit by the infrared receiving tube, and accordingly sewing efficiency and quality are improved.

Description

technical field [0001] The invention relates to the field of bottom thread detection of sewing machines, in particular to a through-beam photoelectric induction control system and control method for bottom thread detection of sewing machines. Background technique [0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of sewing material. The sewing machine can sew fabrics such as cotton, fiber crops, silk, wool, and artificial fibers, and products such as leather, plastics, and paper. Sewing machines are divided into household sewing machines and industrial sewing machines. Among them, industrial sewing machines are mostly general-purpose sewing machines, including lockstitch sewing machines, chain sewing machines, quilting machines, overlock sewing machines and interlock sewing machines. [0003] When the sewing machine is sewing the fabric, the rotary hook and t...

Claims

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Application Information

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IPC IPC(8): D05B59/00
CPCD05B59/00D05D2305/32
Inventor 许晓红张传有李丽叶彬黄发军
Owner BULLMER ELECTROMECHANICAL TECH
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