Transmission arrangement for transfer teeth of cylinder type sewing machine

Abstract

A transmission arrangement for transfer teeth of a cylinder type sewing machine is provided, a frame table portion of the sewing machine is composed of a rectangular case shape main portion and a cylinder portion projecting form the main portion towards a side, a needle plate is provided on the cylinder portion, a front transfer tooth and a rear transfer tooth are arranged in the cylinder portion, the front transfer tooth and the rear transfer tooth are circularly moved along an elliptic path; the transmission arrangement also comprises: a transfer tooth assembly, a drive axes, a motion changing mechanism, a transfer front and rear main axes assembly, a transfer up and down driven axes assembly, a fixed transmission direction assembly, a first transfer front and rear driven axes assembly and a second transfer front and rear driven axes assembly.

Description

technical field

[0001] The invention relates to a cylindrical sewing machine, in particular to a transmission structure of the transfer teeth of the cylindrical sewing machine. Background technique

[0002] The table part of a general cylindrical sewing machine is composed of a rectangular box-shaped main part of the machine table and a cylindrical part protruding sideways from the main part of the machine table. needle board. The cylindrical part is provided with forward feeding teeth and rear feeding teeth, which go in and out of the holes for the feeding teeth before and after the needle drop hole of the needle plate, and the cylindrical part is provided with a hook and loop device which cooperates with the sewing needle to form a sewing purpose, and a drive The driving mechanism of the forward feed tooth and the rear feed tooth.

[0003] The driving mechanism and power transmission mechanism of the cylindrical sewing machine for driving the forward and backward feeding...

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