Bird nest removing device for sewing machine and using method thereof

Abstract

The invention provides a bird nest removing device for a sewing machine and a using method thereof. The bird nest removing device comprises a pull hook, a thread clamping plate, a machine needle and a presser foot plate, wherein the pull hook, the thread clamping plate, the machine needle and the presser foot plate are located below a machine head. The drag hook is connected with the machine head through a rotating shaft, the machine needle is provided with a needle eye allowing threads to penetrate through, the presser foot plate is located on a needle plate, the presser foot plate is provided with a thread passing groove corresponding to the machine needle, the thread passing groove extends in the moving direction of a sewing material, and a thread cutter is arranged at the bottom of the thread passing groove. According to the bird nest removing device for the sewing machine and the using method thereof, an arc swing hook thread clamping device is used for clamping machine needle thread residues after thread trimming, the enough stable thread quantity is provided for starting sewing through thread clamping and loosening time coordination of two thread clamp holders in the seam starting process next time, seam starting upper threads can be tightened quickly under the condition that bottom threads do not exist, the clamped thread residues are cut off at the position close to the sewing material needle hole, the remaining thread residues are short, and the problem of bird nest thread residues is solved thoroughly.

Description

technical field [0001] The invention relates to a sewing machine removing bird's nest device. [0002] The invention also relates to a method for using the sewing machine removing bird's nest device. Background technique [0003] When the sewing machine sews fabric, it is necessary to leave a certain length of thread at the needle eye of the machine needle at the beginning of sewing, so as to ensure that the thread will not come out of the needle eye when sewing starts, but a certain length of thread on the needle eye of the machine needle is at the beginning of sewing. When sewing, it will stay in the initial sewing position of the sewing material, which will affect the appearance of the sewing material. [0004] The current processing methods mainly include the following. [0005] A kind of processing mode is, when starting to sew, the end of thread is manually pulled, and end of thread is left on the sewing material, and after the sewing work is finished, the end of thr...

AI Technical Summary

Problems solved by technology

[0011] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a sewing machine bird's nest removal device and its use method, which are used to

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