Spring stitch device for quilt sewing machine

Abstract

The invention relates to the technical field of quilt sewing machines, in particular to a spring stitch device for a quilt sewing machine. The device comprises a lifting cross beam, the bottom of thelifting cross beam is provided with a stitch needle and cleaning devices, the stitch needle comprises a fixation base, a needle rod and a guide sleeve, the guide sleeve comprises a connector, presserfoot sleeves, a presser foot and a spring, the presser foot sleeves comprise the first presser foot sleeve and the second presser foot sleeve, the first presser foot sleeve is provided with a first sliding groove, a second sliding groove and a movable window, the second presser foot sleeve is provided with a sliding block, and the cleaning devices are connected with the top of the presser foot through the connector and comprise the first cleaning device and the second cleaning device. According to the device, the buffering effect is improved through relative sliding of the first presser foot sleeve and the second presser foot sleeve; the needle breakage problem is easily solved by replacing the needle rod in different modes; through the cleaning devices, thread ends are removed, fur ballsgenerated by friction are eliminated, and the appearance cleanness of products is ensured.

Description

technical field [0001] The invention relates to the technical field of quilt machines, in particular to a spring stitch device for a quilt machine. Background technique [0002] Quilting machine is a kind of quilting machine, which is a textile machine used to sew linear patterns on mattresses, bedspreads, quilts, etc. The quilt sewing machine includes a lifting beam, which drives the needles to move up and down; the sewing machine is equipped with a plurality of machine needles, and the guide piece installed under the lifting beam is provided with a guide hole, and the needle supporting piece carrying the needles passes through the guide hole Fixed on the lifting beam. Each needle supporting part is provided with a presser foot and is elastically supported by a spring. The presser foot and its components are its key parts, and the existing stitch device is unreasonably designed, which is prone to broken needles. Contents of the invention [0003] Aiming at the deficien...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a spring stitch device for a quilt machine, which removes the needle thread absorbed on the quilt, facilitates the replacement of the needle bar, and passes through the gap between the second presser foot cover and the first presser foot cover. Relatively sliding to solve the problem of easy needle breakage

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