Take-up device for sewing machine

Abstract

The invention discloses a take-up device for a sewing machine. The device comprises a first bearing, a take-up crank and a needle rod connection rod, a fixing rotary knob is fixedly welded to the tailend of the first bearing, and a thread sleeving rod is arranged at the other end, away from the fixing rotary knob, of the first bearing; a bobbin fixing pin is arranged at the tail end of the threadsleeving rod, the needle rod connection rod is welded to the upper end of the take-up crank, and a needle buckle rack is arranged on the upper portion of the needle rod connection rod; a cavity for mounting an insert is formed in the tail end of the needle buckle rack, a second bearing is welded to the left side of the take-up crank, and a thread connection disc is fixedly connected to the left side of the second bearing; a cross hole is formed in the center of the thread connection disc, a thread connection rod is welded to the lower side of the thread connection disc, a fixing base is welded to the tail end of the thread connection rod, and a fixing hole is formed in the center of the fixing base. According to the take-up device for the sewing machine, through cooperation of the first bearing, the second bearing and the needle buckle rack, the work of adjusting the height of the needle buckle rack is conducted conveniently and quickly, and the space utilization rate is increased.

Description

Technical field [0001] The invention belongs to the technical field of external equipment adjustment, and in particular relates to a thread take-up device for a sewing machine. Background technique [0002] The current thread take-up crank for sewing machines needs to be replaced with different needle buckle frames due to different working environments, and the needle buckle frame must be adjusted to different heights to meet different work needs. The existing thread take-up cranks for sewing machines can only be replaced by replacing the entire The thread crank is time-consuming and laborious to meet the work requirements, and the thread take-up crank occupies a large area, which has a certain impact on the object and the work. [0003] The thread take-up device for the existing sewing machine, through the cooperation of the bearing and the bearing 1 and the needle buckle frame, makes the height adjustment work of the needle buckle frame convenient and quick, and improves the spac...

AI Technical Summary

Problems solved by technology

[0002] The current thread take-up crank for sewing machines needs to be replaced with different needle button holders due to different working environments, and the needle button holders need to be adjusted to different heights to meet different work requirements. It is time-consuming and labor-intensive to use the thread crank to meet the work requirements, and the thread take-up crank occupies a large area, which will have a certain impact on both the object and the work.

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