Thread cutting mechanism in sewing machine

A thread cutting mechanism and sewing machine technology, applied to the thread cutting mechanism in the sewing machine, sewing machine components, sewing machine control devices, etc., can solve the problems of waste materials that cannot be absorbed, processed in time, and waste accumulation, etc.

Inactive Publication Date: 2011-04-06
ZHEJIANG ZOJE SEWING MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the above-mentioned thread trimming mechanism only absorbs the waste generated at the thread cutting tool, and cannot absorb the waste at

Method used

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  • Thread cutting mechanism in sewing machine
  • Thread cutting mechanism in sewing machine
  • Thread cutting mechanism in sewing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] like figure 1 As shown, the thread trimming mechanism in this sewing machine is arranged at the needle plate 1 place of the sewing machine. It includes a driving part 2 and a cutting knife 3 for thread trimming. The driving part 2 is an electromagnet. A pendulum shaft 4 is fixed axially on the needle plate 1. One end of the pendulum shaft 4 is hinged to the iron core of the above-mentioned electromagnet. The cutting knife 3 is fixedly connected to the other end of the balance shaft 4.

[0037] like figure 1 and figure 2 As shown, there is an air suction port 1 on the needle plate 1 corresponding to the cutter 3, and there is an air suction port 2 6 at the feeding place of the needle plate 1. Connected pumping components.

[0038] The pump suction assembly includes a pipeline one 7 and a pipeline two 8, the pipeline one 7 has a solenoid valve one 9, the pipeline two 8 has a solenoid valve two 10, and the two ends of the pipeline one 7 are respectively connected with...

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PUM

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Abstract

The invention provides a thread cutting mechanism in a sewing machine, which belongs to the technical field of machinery. The invention solves the problem that the traditional thread cutting mechanism can not absorb waste materials in a feeding position of the sewing machine. The thread cutting mechanism in the sewing machine is arranged at a needle plate of the sewing machine; the mechanism comprises a drive element and a cutter which is connected with the drive element and used for cutting threads; the cutter is provided with a sucking opening I; the feeding position of the needle plate is provided with a sucking opening II; and the lower part of the needle plate is provided with a pump sucking assembly which is connected with the sucking opening I and the sucking opening II. Both the cutter and the feeding position of the sewing machine are provided with the sucking openings for sucking the waste materials, and the two sucking openings are convenient for screwing a long sewing material.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a sewing machine, in particular to a thread trimming mechanism in the sewing machine. Background technique [0002] When sewing with a sewing machine, the stitches, elastic, rubber bands or excess fabric need to be cut. [0003] Ordinary sewing machines usually require the operator to manually cut, which makes the sewing efficiency relatively low, and time-consuming and laborious. In order to solve this problem, people have designed a kind of trimming mechanism on sewing machine. [0004] The thread trimming mechanism of the traditional industrial overlock sewing machine generally uses the upper cutter shaft to directly drive the moving knife movement of the thread trimming mechanism to realize the thread trimming function. There is also a cutter mechanism that is controlled separately, and the front and rear air suction devices work at the same time. [0005] With the developm...

Claims

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Application Information

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IPC IPC(8): D05B65/06D05B37/04D05B69/04D05B69/10
Inventor 陈满良杜成振王挺楼俏军
Owner ZHEJIANG ZOJE SEWING MACHINE
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