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Detection structure of shuttle peg upper base line of sewing machine

A detection structure, sewing machine technology, applied in the direction of bobbin winding, sewing machine components, sewing equipment, etc. in the sewing machine, it can solve the problems that the number of bobbin rotations is easy to produce errors, the overall structure of the device is complicated, and the monitoring is not accurate enough, etc. Appropriate remaining thread amount, low cost, and high recognition accuracy

Active Publication Date: 2018-02-02
JACK SEWING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The overall structure of the device used to monitor the bottom thread in the above-mentioned patent documents is relatively complicated, and the calculation of the number of rotations of the bobbin is prone to errors, and the monitoring is not accurate enough.

Method used

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  • Detection structure of shuttle peg upper base line of sewing machine
  • Detection structure of shuttle peg upper base line of sewing machine
  • Detection structure of shuttle peg upper base line of sewing machine

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Embodiment Construction

[0023] Below are specific embodiments of the present invention and in conjunction with accompanying drawing, technical scheme of the present invention is described further, but the present invention is not limited to these embodiments.

[0024] Such as figure 1 and figure 2As shown, the sewing machine bobbin in this embodiment includes a cylinder 1 with a through hole 11, the through hole 11 is arranged along the axis of the cylinder 1, and both ends of the cylinder 1 have baffles 12 extending radially outward. And a winding groove 13 is formed between the two baffles 12, and the detection structure includes an electric control module 3 and a photoelectric sensor 2; the bottom of the winding groove 13 is provided with a reflective layer-4, and the baffle 12 is provided with a light-transmitting hole 12a; The photoelectric sensor 2 can emit light beams to the first reflective layer 4; the opposite side of the two baffles 12 is the inner side, and the other side is the outer s...

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Abstract

The invention provides a detection structure of a shuttle peg upper base line of a sewing machine, and belongs to the technical field of sewing devices, which can solve the technical problem that theconventional detection structures of the shuttle peg upper base line is low in detection precision. A shuttle peg includes a cylinder having a through hole; the through hole is arranged along the axisof the cylinder; two ends of the cylinder have baffle plates extending outward radially, and a line winding groove is formed between the two baffle plates. The detection structure includes an electrical control module and a photoelectric sensor; a first reflective layer is arranged on the bottom of the line winding groove; light holes are formed in the baffle plates; and the photoelectric sensorcan emit a light beam to the first reflective layer. The detection structure is practical and simple, is low in cost, and is high in recognition precision.

Description

technical field [0001] The invention belongs to the technical field of sewing equipment, and relates to a sewing machine bobbin structure, in particular to a detection structure for a bobbin thread on a sewing machine bobbin. 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. Sewing machine can sew fabrics such as cotton, fiber crops, silk, wool, artificial fiber and products such as leather, plastics, paper, and the stitching that sews is orderly and beautiful, smooth and firm, and sewing speed is fast, easy to use, so it is widely used. The rotary hook and its bobbin of the sewing machine are important parts on the sewing machine, which are used to place the bottom thread. In a traditional sewing machine, the bobbin looper is set on the bobbin shaft of the rotary hook bobbin case. The structure and function of the or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B59/02
CPCD05B59/02
Inventor 刘强许君辉潘建国
Owner JACK SEWING MASCH CO LTD
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