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Bird nest removing mechanism

A bird's nest and machine head technology, applied in the field of sewing machines, can solve problems such as increased production costs, and achieve the effects of convenient debugging, improved stability, and stable thread hooking and thread pulling processes.

Inactive Publication Date: 2019-08-13
浙江多乐缝纫机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to facilitate the installation and debugging of the clamping plate, the most common way is to improve the dimensional accuracy of the clamping plate, improve the dimensional accuracy of the connecting plate and improve the machining accuracy of the fixed connecting plate on the machine head, but to improve the accuracy requires the purchase of high-precision equipment and Higher precision processing technology will increase the production cost

Method used

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Examples

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Embodiment 1

[0039] Such as Figure 1-Figure 8 As shown, the sewing machine includes a machine head 1 and a base 2. A machine needle 3 and a presser foot 4 are installed on the machine head 1 of the sewing machine. A suture 5 is threaded on the machine needle 3. The presser foot 4 is a presser foot with a knife, and the presser foot 4 The structure can refer to the patent document whose announcement number is: CN206873070U. Feeding teeth are installed on the base 2, and the feeding teeth are set correspondingly to the presser feet 4.

[0040] A bird's nest removal mechanism, which is arranged at the machine head 1, and includes a wire pulling part 6, a fixing part 10 and a drive assembly, and the wire pulling part 6, the fixing part 10 and the driving assembly are all fixed on a mounting plate 11, and the mounting plate 11 is fixedly connected on the rear face of the machine head 1. The wire pulling member 6 is in the shape of a strip, and the lower end of the wire pulling member 6 is be...

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Abstract

The invention provides a bird nest removing mechanism, which belongs to the technical field of sewing machines, and solves the problem of inconvenient mounting and debugging of the existing bird nestremoving mechanism. The bird nest removing mechanism is arranged at a machine head, and a machine needle is mounted on the machine head. The bird nest removing mechanism comprises a thread pulling piece, a fixing piece and a driving component, wherein a thread hooking plate for hooking a stitch thread is arranged on the thread pulling piece; the driving component can drive the thread pulling pieceto rotate to enable the thread hooking plate to move between the lower part of the machine needle and the fixing piece; a thread clamping plate is connected to the thread pulling piece in a hinged manner and can clamp the stitch thread when being folded with the thread clamping plate; an elastic piece which can open the thread clamping plate and the thread hooking plate is arranged between the thread clamping plate and the thread hooking plate; an abutting part is arranged on the fixing piece and can abut against the thread clamping plate; and the abutting part abuts against the thread clamping plate to drive the thread clamping plate to close to the thread hooking plate. The bird nest removing mechanism has the advantage of convenient mounting and debugging.

Description

technical field [0001] The invention belongs to the technical field of sewing machines and relates to a bird's nest removing mechanism. Background technique [0002] A sewing machine is a machine that sews sewing materials by sutures, including a needle bar mechanism, a thread take-up mechanism, a feeding mechanism, a thread hook mechanism, a pressing mechanism, a winding device, and a lubricating device. Sewing machines can be divided into lockstitch sewing machines, chain sewing machines, overlock sewing machines, buttonhole machines and sealing machines according to the structure or sewing process. The suture thread includes the needle thread passing through the needle hole of the machine needle and the shuttle thread drawn from the bobbin, wherein the needle thread is also called the upper thread, and the shuttle thread is also called the bottom thread. The upper thread is led out from the thread spool through the thread tensioner, slow thread lever and right thread hoo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B65/06D05B53/00
CPCD05B53/00D05B65/06
Inventor 熊径武
Owner 浙江多乐缝纫机有限公司
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