A new type of barrel sewing machine
A sewing machine, barrel-type technology, which is applied to sewing machine components, needle holders for sewing machines, and bobbin winding in sewing machines, etc., can solve problems such as affecting product quality, increasing production costs, and unstable upper thread tension, and ensuring normal stability. It can run smoothly, prolong the service life, and ensure the effect of full utilization.
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0028] refer to Figure 1 to Figure 8 , a new type of cylinder sewing machine, including a sewing machine body, an oil tank, a cloth feeding mechanism 4 located on the sewing machine body, a stitch length locking mechanism 13, a pre-winder 10, a double tensioner 6, and an automatic lubrication system,
[0029] The cloth feeding mechanism 4 includes a lower shaft 20, a tooth lifting cam 1, a tooth lifting fork 19, a tooth lifting shaft 18, a cloth feeding dog guide 22, a cloth feeding dog guide slider 24, a cloth feeding dog 16, and a cloth feeding dog. The tooth frame shaft 15, the cloth feeding tooth frame slider 21 and the cloth feeding tooth frame positioning plate 17, the tooth lifting cam 1 is sleeved on the middle part of the lower shaft 20, and is fixedly connected with the lower shaft 20, the tooth lifting shaft 18 One end of the tooth lifting fork 1...
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